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Calculated Industries Machinist Calc Pro

1. Millimeter Drill Size EN y eee 39 40 THREAD i n i i RR 40 Internal Thread rere tena dearer eed 41 External Thread ttm tt tet iat Thread Classification Changing Thread Classes Changing U S Thread Classification ses 43 User s 3 Changing a Metric Thread Classification sse Numeric Thread Size eoe aeo en POR HR Fractional Thread 5 2 Metric Thread SIZe eene eerie Custom Thread Percentage WIRE SIZES AND 3 WIRE MEASUREMENTS 3 Wire Measurement Known Thread Size and Wire Size 50 Pitch Diameter Known 3 Wire Measurement and Wire Size 51 BOLT PATTERN aee RE ERE 52 sla e 52 RIGHT TRIANGLE 54 Right Triangle Based on Adjacent and Opposite Legs 54 Right Triangle Based on Hypotenuse and Angle CIRCLE CALCULATIONS sene Circumference and Area Based on Circumference and Area Based on BASIC D M S AND TRIGONOMETRY 56 Converting Degrees Minutes
2. KEYSTROKE DISPLAY 0 6 G0 7 G80 7 Feet 6 SQ FEET ap 557418 24 MM 9 0 5574182 5 5574 1824 Convert 0 05 cubic meters to other dimensions KEYSTROKE DISPLAY 0 0 5 9 9 9 m 0 05 mm 50000000 cu 5 50000 cu CM 3051 1872 CU INCH Feet 1 7657333 cU FEET Weight Conversions Convert 1 5 tons to pounds and kilograms KEYSTROKE DISPLAY 0 1 5 6 6 tons 1 5 CDT kg 1360 7771 4 bs 3000 LBs User s 19 Weight per Volume and Volume Conversions Convert 2 cubic Feet of stainless steel to pounds tons kilograms and metric tons if the steel weighs 7 480 kilograms per cubic meter KEYSTROKE DISPLAY 0 1 Store the weight per volume 7 4 8 0 amp fg 0 0 0 0 wt vol E 7480 KG cU M 2 Enter steel volume 22889 7 GD 7 E23 7 2 CU FEET 3 Convert to pounds tons kilograms and metric tons 2 4 bs 933 92229 LBS C 6 tons 0 4669611 TON CD kg 423 62003 met tons 0 42362 MTON 4 Change the weight per volume back to the default value A 9 0 amp f9 0 0 wt vol El 490 LBS cU FEET The number of 0 presses may vary depending on the last units displayed when wt vol was last recalled stored By default pounds per cubic foot is displayed first BASIC MATH OPERATIONS Adding and Subtracting Dimensions Add the following measurements 6 Feet 2 1 2 Inch
3. CALc PREFERENCE SETTINGS DEFAULT VALUE Volume Answer Format Standard Fractional Mode Standard Mathematical Operation Order of Operations Method Depressing the Reset button located above the key will also perform a Full Reset APPENDIX B PREFERENCE SETTINGS The Machinist Calc Pro has Preference Settings that allow you to customize or set desired unit formats and calculations If you replace your batteries or perform a Full Reset press GJ hold down and press 2 your calculator will return to the following settings in addition to those listed on the previous page with the default setting for each preference listed first Depressing the Reset button located above the key will also per form a Full Reset PREFERENCE OPTIONS 1 Fractional 1 64 displays fractional values to the near Resolution est 64th of an Inch 1 2 displays fractional values to the nearest half Inch 1 4 displays fractional values to the nearest quarter of an Inch 1 8 displays fractional values to the nearest 8th of an Inch 1 16 displays fractional values to the near est 16th of an Inch 1 32 displays fractional values to the near est 32nd of an Inch cont d User s 59 cont d 2 Functional 0 0000 calculation results using Machin Result ist functions are displayed to four decimal Rounding places 0 000 calculation results using Machinist functions are di
4. KEYSTROKE DISPLAY 0 1 Enter the Thread Size 3 02 87659 SIZE 3 8 INCH 2 Enter the Threads per Inch and store the final Thread Size 1 6 9 THRED s ze B 3 8 9 INCH 3 Find the Ideal Maximum and Minimum Wire Sizes Wire Size IDEAL sizE 0 0361 MAX sIZE 0 0563 INCH MIN sizE 0 0350 INCH User s 49 3 Wire Measurement Known Thread Size and Wire Size You can find the Minimum and Maximum 3 Wire Measurements as well as the Pitch Diameters if you know the Thread Size and the Wire Size you want to use Note When solving for 3 Wire Measurements and Pitch Diameters the calculator assumes the equivalent External Thread Type if an Internal Thread Type is set i e Internal 2B is assumed External 2A for U S Threads Internal 6H is assumed External 6H for Metric Threads Find the Minimum and Maximum allowable 3 Wire Measurements and Pitch Diameters for a 3 8 16 Class 2A External screw using 0 040 wire KEYSTROKE DISPLAY 0 1 Enter the Thread Size 8 Ga SIZE 3 8 INCH 2 Enter the Threads per Inch and store the final Thread Size D 6 u29 THRED size El 3 8 1 INCH 3 Set the Thread Class to 2A 2 Thread Class EXT 2A f necessary continue pressing until the desired External Thread Class is displayed 4 Enter the Wire Size 0 4 EA Wire Size WIRE s ze El 0 04 INCH 5 Find the Minimum 3 Wire Measurement CD 3 W Measure 3WMIN sizE 0 3946
5. CUT 300 FEET MIN G DIA 0 375 INCH ogm RPM 3055 7749 The calculated RPM is displayed as a rounded whole number value displays the stored RPM value in decimal floating point format 26 CALc RPM Turning Calculate the Spindle Speed RPM needed to turn a piece with a 5 Diameter at a recommended Cutting Speed of 650 sfm KEYSTROKE DISPLAY 0 1 Enter the bit Diameter 5 DIA Bl 5 INCH 2 Enter the Cutting Speed 6 5 0 Sa CUT 4650 FEET MIN 3 Calculate the Spindle Speed RPM Go RPM 497 Repeated presses of will toggle through the inputs and outputs starting with the entered Cutting Speed RPM Drilling Calculate what the RPM Spindle Speed should be set to when drilling into material with a recommended Cutting Speed of 90 sfm using a 625 bit KEYSTROKE DISPLAY 0 1 Enter the Diameter COA Diam DIA 80 625 INCH 2 Enter the Cutting Speed 9 0 9 CUT 890 FEET MIN 3 Calculate the RPM c RPM 550 Repeated presses of will toggle through the inputs and outputs starting with the entered Cutting Speed User s 27 FEED Feed Rate is the speed of the cutting tool s movement relative to the workpiece as the tool makes a cut You can calculate Feed Rate given values for Cutting Feed and RPM Spindle Speed If you don t know the Cutting Feed you can calculate Feed Rate with Feed per Tooth Chip Load
6. MACHINIST CALC PRO TooL DVANCED MACHINING AND REFERENCE Model 4087 MACHINIST Care PRo ADVANCED Ma ICHINING MATH in WD REFERENCE Too Move 4087 31 Off CT Feed Boli Speed v rif oeth Feed Tooth 0 Diam 45 dj a Hyp A ngle Inch 94l 000 LCULATED J INDUSTRIES FAST ACCURATE RELIABLE MACHINIST CALC PRO The Machinist Calc Pro Advanced Machining Math and Reference Tool Model 4087 provides fast precise solutions for your every day machining calculations With the Machinist Calc Pro you will spend less time looking up your most needed calculations on charts in books or on the Internet and more time machining The Machinist Calc Pro gives you hundreds of machining specific calculations including Cutting Speed Spindle Speed RPM Feed Rate Cutting Feed Feed per Tooth Chip Load Built in Drill and Thread Size reference tables Drill Point Cut Depth solutions Wire Sizes and 3 Wire Measurements Bolt Pattern hole layouts with center x y coordinate Right triangle math Trigonometric solutions Work in and convert between U S and Metric units including Decimal Inches Mils Feet Inch Fractions m mm cm Area Volume and Weight User s 1 TABLE OF CONTENTS GETTING STARTED KEY DEFINITIOINS cierre tette rri tr teri en 5 Basic Function Keys cea en oen 5 Dimensional Fun
7. Number of Teeth and RPM Feed Rate Based on Cutting Feed and RPM for Turning Calculate the Feed Rate if you are turning a 1 steel round stock down with a Cutting Feed of 0 031 Inches per revolution and a rotational speed of 900 RPM Spindle Speed KEYSTROKE DISPLAY 0 1 Enter the Cutting Feed 0 3 1 CUT B 0 031 INCH REV 2 Enter the RPM 9 0 0 CZ RPM H 900 3 Calculate the Feed Rate FEED 27 9000 INCH MIN RPM H 900 CUT E 0 031 INCH REV Feed Rate Based on Cutting Feed and RPM for Drilling Calculate the Feed Rate for a drilling operation that is using a recommended Cutting Feed of 0 004 Inch per revolution at 800 RPM Spindle Speed KEYSTROKE DISPLAY 0 1 Enter the Cutting Feed 4 0 A CUT 0 004 INCH REV 28 CALc KEYSTROKE DISPLAY 2 Enter the RPM 8 0 0 ED RPM H 800 3 Calculate the Feed Rate ga FEED 3 2000 INCH MIN Repeated presses of will toggle through the inputs and outputs starting with the entered RPM Spindle Speed Feed Rate Based on Feed per Tooth RPM and of Teeth Calculate the Feed Rate for a four fluted end mill using a Feed per Tooth Chip Load of 0 005 Inch turning at 1 000 RPM Spindle Speed RPM 1000 Feed per Tooth Number 0 005 of Teeth 4 KEYSTROKE DISPLAY 0 1 Enter the Feed per Tooth SaD EA FPT E 0 005 INCH 2 Enter the Number of Teeth 4 22D TEETH 4
8. SPINDEE SPEED Em erre He ide 26 2 CAaLc PRO RPM Milling ninm rrr ere A 26 27 RPM Drilling terae wid idk 27 FEED cranca neia a r Feed Rate Based on Cutting Feed and RPM for Turning Feed Rate Based on Cutting Feed and RPM Drilling Feed Rate Based on Feed per Tooth RPM and of Teeth 29 CUTTING SPEED eene eei iot pac Ene 30 Cutting Speed Milling 5 t re tte trie reete 30 Cutting ih n aet 31 Cutting Speed Drilling Cutting Speed Using Metric Mode TE FEED PER TOOTH CHIP Feed per Tooth Based on Cutting Feed of Teeth 33 Feed per Tooth Based on Feed Rate RPM and of Teeth 34 RADIAL CHIP THINNING 34 Radial Chip Thinning Based on Feed per Tooth Tool Diameter and Cut Depth 34 CUTTING FEED rettet 35 Cutting Feed Based on Feed per Tooth and of 35 Cutting Feed Based on Feed Rate and RPM 36 DRILL SIZES ier tete eo i te nete Numeric Drill Size Entry Letter Drill Size Entry Inch Drill SZE C
9. cont d User s 29 cont KEYSTROKE DISPLAY 3 Enter the RPM 1 ooo GD RPM amp 1000 4 Calculate the Feed Rate FEED 20 0000 INCH MIN RPM B 1000 CUT EB 0 02 INCH REV This Cutting Feed is calculated based on the entered Feed Tooth and Number of Teeth It along with RPM is then used to calculate the Feed Rate CUTTING SPEED Cutting Speed is the speed of the workpiece surface relative to the edge of the cutting tool during a cut typically measured in surface feet per minute You can calculate Cutting Speed by entering the Diameter of the tool or material you re using and the RPM Spindle Speed Cutting Speed Milling Calculate the Cutting Speed for a mill using a 5 tool running at 1 250 RPM Spindle Speed KEYSTROKE DISPLAY 0 1 Enter the Diameter of the tool DIA El 0 5 INCH 2 Enter the RPM D 2 5 00620 RPM 1250 3 Calculate the Cutting Speed CUT 164 speed DIA 0 5 INCH 30 Pro KEYSTROKE DISPLAY RPM 1250 oca CUT B 163 62462 FEET MIN The calculated Cutting Speed is displayed as a rounded whole number value displays the stored Cutting Speed value in decimal floating point format Cutting Speed Turning Calculate the Cutting Speed when turning a 4 rod at 300 RPM Spindle Speed KEYSTROKE DISPLAY 0 1 Enter the Diameter of the rod 4D DIA B 4 INCH 2 Enter th
10. for a 1 4 28 screw KEYSTROKE DISPLAY ALL CLEAREd 1 Verify Thread Class is set to 2B DEA Thread Class INT 2B 2 Enter the Thread Size De 4 ea SIZE 1 4 INCH 3 Enter the and store the final Thread Size 2 8 9 THRED size El 1 4 2 INCH 4 Find the available Internal Thread characteristics Cut Tap Drill Size TAP DRILL SIZE 3 Roll Tap Drill Size R TAP DRILL SIZE 5 9 MM Close Fit Drill Size CLOSE DRILL SIZE F Free Fit Drill Size FREE DRILL SIZE H Min Internal Pitch Diameter PTCH sizE 0 2268 INCH Max Internal Pitch Diameter sizE 0 2311 INCH Min Internal Minor Diameter MINR SIZE 0 2110 INCH Internal Minor Diameter MINR SIZE 0 2200 INCH Min Internal Major Diameter MAJR SIZE 0 2500 INCH 5 Switch to Thread Class 2A and find the available External Thread characteristics Thread Class EXT 2A THRED s ze El 1 4 2 INCH Rod Size for Thread Cutting ROD s ze 0 2500 INCH Rod Size for Cold Forming CFORM sizE 0 2239 INCH Max External Pitch Diameter PTCH SIZE 0 2258 INCH 46 Macuinist Cacc Pro KEYSTROKE DISPLAY Min External Pitch Diameter PTCH sizE 0 2225 INCH Max External Major Diameter MAJR SIZE 0 2490 INCH Min External Major Diameter MAJR SIZE 0 2425 INCH Max External Minor Diameter MINR SIZE 0 2065 INCH Metric Thread Size Find the available Internal and External Thread characteristics for a M5 x 0 7
11. Feed Tooth value Radial Chip Thinning Based on Feed per Tooth Tool Diameter and Cut Depth Calculate Radial Chip Thinning value with a Feed Per Tooth of 0 006 Inch a 1 Tool Diameter and a Cut Depth of 0 1 Inch KEYSTROKE DISPLAY 0 1 Enter the Feed per Tooth 34 Pro KEYSTROKE DISPLAY 6 2 3 80 006 INCH 2 Enter the Tool Diameter DC DIA Bl 1 INCH 3 Enter Cut Depth GB Cut Depth DEPTH 80 1 INCH 4 Calculate the adjusted Feed per Tooth ADJST 0 0100 INCH 5 Calculate the Radial Chip Thinning Factor RCTF 1 6667 INCH DIA 1 INCH E 0 006 INCH CUTTING FEED Cutting Feed is the distance the cutting tool or workpiece advances during one revolution of the spindle typically measured in inches per revolution IPR You can calculate Cutting Feed given values for Feed per Tooth Chip Load and Number of Teeth If these values are unknown you can calculate Cutting Feed with Feed Rate and RPM Spindle Speed Cutting Feed Based on Feed per Tooth and of Teeth Calculate Cutting Feed with a Feed per Tooth Chip Load of 0 005 Inch and 4 Teeth KEYSTROKE DISPLAY 0 1 Enter the Feed per Tooth SaD 90 005 INCH 2 Enter the Number of Teeth 4 6 TEETH B4 cont User s 35 cont KEYSTROKE DISPLAY 3 Calculate the Cutting Feed CUT 0 0200 INCH REV El 0 005 INCH TEETH B4 Cutting F
12. Metric mode Calculates circle Area and Circumference given entered Diameter Calculates Diameter given entered Radius Radius Enters or calculates a Radius Unitless entries assumed Inches in U S mode millimeters in Metric mode Calculates Radius given entered Diameter Alpha Enters alphabet character selection mode While in this mode a letter can be selected and used with to enter a letter Drill Size Entering this mode with a unitless entry between 1 and 26 will display the corresponding letter of the alphabet i e 5 8 displays the letter E While in Alpha mode presses of 8 G toggle forward through the alphabet while presses of amp toggle backward Adjacent x Enters or calculates the Adjacent horizontal leg of a right triangle Calculates Adjacent value given two other right triangle values Also enters the Center x coordinate of a Bolt Pattern Opposite y Enters or calculates the Opposite vertical leg or height of a right triangle Calculates Opposite value given two other right triangle values Also enters the Center y coordinate of a Bolt Pattern Hypotenuse r Enters or calculates the Hypotenuse diagonal of a right triangle Calculates Hypotenuse value given two other right triangle values 12 PRO Angle 0 Enters or calculates an Angle providing the Adjacent Angle for both instances Calculates an Angle given two other right tri
13. by Calculated Industries Inc 2011 Machinist Calc Pro is a trademark and Calculated Industries is a registered trademark of Calculated Industries Inc 2011 ALL RIGHTS RESERVED Designed in the U S A Looking for New Ideas Calculated Industries a leading manufacturer of special function calculators and digital measuring instruments is always looking for new product ideas in these areas If you have a new product idea please visit our Bright Idea page at www calculated com brightidea asp For suggestions about improving this product or other products please visit us at www calculated com under Contact Us Thank You User s 67 J CALCULATED J INDUSTRIES J 4840 Hytech Drive Carson City NV 89706 U S A 1 800 854 8075 Fax 1 775 885 4949 E mail info calculated com www calculated com J CALCULATED 4 99 INDUSTRIES Designed in the United States of America Printed in China 3 11 UG4087E B
14. different resolution temporarily while solving a problem In the example below add 1 64th to 44 64th of an Inch then convert the answer to other Fractional Resolutions KEYSTROKE DISPLAY 0 4 4 6 4 0 44 64 INCH 10646 0 45 64 INCH a1 1 76 0 11 16 INCH 2 1 2 0 1 2 INCH 3 1 32 0 23 32 INCH 2 4 1 4 0 3 4 INCH E 6 1 64 0 45 64 INCH 2 8 1 8 0 3 4 INCH orclon 0 Changing the Fractional Resolution displayed value does not alter your Permanent Fractional Resolution Setting set in Preference Settings Note This setting is temporary it will revert back to your Permanent Fractional Setting upon press of or when you turn the calculator off 14 Pro PREFERENCE SETTINGS Press then to access the Preferences menu Continue pressing amp toggle through different Preferences Press keys to toggle between options of the different Preferences Press to exit Preferences Your calculator will keep your Preference Settings until a Full Reset alters your settings to the default values see Appendix for more information KEYSTROKE DISPLAY cD ea E3 Prefs F RND 0 0000 Functional Result Rounding F RND 0 000 F RND FLOAT repeats options F RND 0 0000 Third press of Default Unit Format US UnITS METRC UnITS repeats options US UnITS Fourth press of Area Answer Format AREA Std AREA 0 sQ FEET AREA 0 SQ INCH
15. display and four fractional digits You may enter or calculate values up to 99 999 999 99 Each calculation is carried out internally to 12 digits Errors When an incorrect entry is made or the answer is beyond the range of the calculator an error message will dis play To clear an error condition you must press the key once At this point you must determine what caused the error and re key the problem Error Codes DISPLAY ERROR TYPE OFLO Overflow too large MATH Error Divide by 0 DIM Error Dimension error ENT Error Invalid entry error NONE Attempt to access cleared Thread Size or Drill Size Value Invalid RCT Calculation 62 CALc Auto Range If an overflow is created because of an input and calculation with small units that are out of the standard eight digit range of the display the answer will be automatically expressed in the next larger units instead of showing OFLO e g 200 000 000 mm is shown as 200 000 m Also applies to inches and feet AUTO SHUT OFF Your calculator is designed to shut itself off after about 8 12 minutes of non use BATTERIES The Machinist Calc Pro uses two LR 44 batteries Should your calculator display become very dim or erratic replace the batteries Note Please use caution when disposing of your old batteries as they contain hazardous chemicals Replacement batteries are available at most discount or electronics st
16. in order to store the Thread Size Both of these entry methods are covered in the examples provided within this section The following specifies the entry ranges that the calculator allows for the Thread Size and TPI Pitch values for numeric fractional and metric Thread Sizes Thread Size TPI Pitch Numeric 0 1 2 3 4 5 6 less than 100 8 10 12 14 Fractional 0 06 to 6 less than 100 Metric 1 mm to 300 mm less than or equal to 10 Note Entries outside of the ranges mentioned above will result in an Entry Error The following tables list the available Thread characteristics provided by the Thread Size function Note that there are two separate listings one for Internal Threads and one for External Threads The listing shown within the Thread Size function is determined by the set Thread Classification see Thread Classification section Internal Thread Thread Size Minimum Pitch Diameter Cut Tap Drill Size Maximum Pitch Diameter Roll Tap Drill Size Minimum Minor Diameter Close Fit Drill Size Maximum Minor Diameter Free Fit Drill Size Minimum Major Diameter If the resulting hole size is greater than 2 Inches or 50 mm the actual hole size will be displayed instead of adjusting to the closest Drill Size User s 41 cont d External Thread Thread Size Minimum Pitch Diameter Cut Rod Size Maximum Major Diameter Roll Shank Size Minimum Major Diameter Maximum Pitch Diameter Maximum Minor
17. is 75 Drill Size Enters a numeric letter fractional or metric Drill Size displaying the decimal Inch U S mode or millimeter Metric mode equivalent of the Drill Size The next smaller Drill Size is displayed if the entered value doesn t match a Drill Size Repeated presses of or amp 3 toggle through Drill Sizes in increasing order Presses of amp toggle through Drill Sizes in decreasing order Selected Drill Size is stored upon exiting function Drill Point Enters the Cutting Angle of a Drill Point Calculates the Drill Point Cut Depth that needs to be taken into account when it s necessary to maintain a specific full diameter depth Number of Teeth Enters the Number of Teeth on a tool Default value is 1 Feed per Tooth Enters or calculates Feed per Tooth Chip Load Unitless entries assumed Inches in U S mode millimeters in Metric mode Calculates Feed per Tooth given entered Cutting Feed and Number of Teeth or RPM Spindle Speed Feed Rate and Number of Teeth Cutting Feed Enters or calculates Cutting Feed Unitless entries assumed inches per revolution in U S mode millimeters per revolution in Metric mode Calculates Cutting Feed given entered Feed per Tooth Chip Load and Number of Teeth or Feed Rate and RPM Spindle Speed cont d User s 11 cont 4 c Diam x Diameter Enters a Diameter Unitless entries assumed Inches in U S mode millimeters in
18. its option will either repair using new or remanufactured parts or replace with a new or remanufac tured calculator the product at no charge THE WARRANTY WILL NOT APPLY TO THE PRODUCT IF IT HAS BEEN DAMAGED BY MISUSE ALTERATION ACCIDENT IMPROPER HANDLING OR OPERATION OR IF UNAUTHORIZED REPAIRS ARE ATTEMPTED OR MADE SOME EXAMPLES OF DAMAGES NOT COVERED BY WARRANTY INCLUDE BUT ARE NOT LIMITED TO BATTERY LEAKAGE BENDING A BLACK INK SPOT OR VISIBLE CRACKING OF THE LCD WHICH ARE PRESUMED TO BE DAMAGES RESULTING FROM MISUSE OR ABUSE To obtain warranty service in the U S please go to the website A repaired or replacement product assumes the remaining warranty of the original product or 90 days whichever is longer Non Warranty Repair Service U S A Non warranty repair covers service beyond the warranty period or service requested due to damage resulting from misuse or abuse Contact Calculated Industries at the number listed above to obtain current product repair information and charges Repairs are guaranteed for 90 days Repair Service Outside the U S A To obtain warranty or non warranty repair service for goods purchased outside the U S contact the dealer through which you initially purchased the product If you cannot reasonably have the product repaired in your area you may contact Cl to obtain current product repair information and charges including freight and duties User s 65 Discla
19. the denominator bottom is not entered the calculator s fractional accuracy setting is automatically used Results are always shown in typical dimensional fractional format 6 PRO 1 1000 mils Multiplies a dimensionless entry by 0 001 Inch and displays the result as Inches Converts a linear entry to decimal Inches For both methods the result is rounded and displayed to three decimal places Weight and Volume Function Keys Em 6 Tons Enters or converts a weight or volume Ema Ems ena con eno value to tons Pounds lbs Enters or converts a weight or volume value to pounds Metric Tons met tons Enters or converts a weight or volume value to metric tons Grams Enters or converts a weight or volume value to grams Kilograms kg Enters or converts a weight or volume value to kilograms Weight per Volume wt vol Stores a new weight per volume as pounds per cubic foot or other format as shown below Default value is 490 pounds per cubic foot of steel e Pounds per cubic foot e Pounds per cubic inch e Metric tons per cubic meter e Kilograms per cubic meter Trigonometric Function Keys Sine Calculates the Sine of an entered degree or unitless value Arcsine ArcSine Calculates the angle for the entered or calculated Sine value Cosine Cos Calculates the Cosine of an entered degree or unitless value cont User
20. will be used to find the Pitch Diameter BOLT PATTERN With the Machinist Calc Pro you can determine a Bolt Pattern by entering the Bolt Circle Diameter the Number of Bolt Holes and the Angle of the first bolt hole optional You can also enter an optional Center x and y coordinate of the Bolt Pattern In addition to calculating the x and y coordinates for each bolt hole the Bolt Pattern function also calculates the hole center to center spacing i e on center distance from hole to hole Pas V Bolt Pattern Calculate the Bolt Pattern for a layout with a 3 5 Diameter a 20 Start Angle and 3 Bolts The Center x coordinate is 10 Inches and the center y coordinate is 15 Inches Note When determining angles 0 is at the 3 o clock position and the rotation goes counterclockwise X2 Y2 WI KEYSTROKE DISPLAY 0 1 Enter the Center x coordinate 52 CALc KEYSTROKE DISPLAY 0269 ADJ Ei 10 INCH 2 Enter the Center y coordinate T 5 02 z3 OPP 15 INCH 3 Enter the Start Angle 20E ANGLE amp 20 4 Enter Bolt Circle Diameter O 2 DIA 83 5 INCH 5 Enter the Number of Bolts 3 BOLTS B3 6 Calculate Center to Center Spacing and the x and y coordinates Center to Center Spacing OC OC 3 0311 Palfem X 01 11 6445 INCH patie Y 01 15 5985 INCH 02 8 6594 pation Y 02 16 1249 INCH 03 9 6961 f
21. 5 screw with a Tolerance Class of 4H Note The default Metric Tolerance Class is 6H Internal To view the current Tolerance Class press after entering the desired Metric Thread Size To change the class press again KEYSTROKE DISPLAY ALL CLEAREd 1 Set Tolerance Class to Internal 4H 4 GED Thread Class INT MM 4H 2 Enter the Thread Size 5 CC ey SIZE 5 MM 3 Enter the Thread Pitch and store the final Thread Size OHS Ga THRED size 5 0 75 4 Find the available Internal Thread characteristics Cut Tap Drill Size TAP DRILL SIZE 4 25 MM Roll Tap Drill Size R TAP DRILL SIZE 14 Close Fit Drill Size CLOSE DRILL SIZE 5 3 MM E Free Fit Drill Size FREE DRILL SIZE 5 8 MM Min Internal Pitch Diameter PTCH sizE 4 5130 MM Max Internal Pitch Diameter sizE 4 5605 MM Min Internal Minor Diameter MINR sizE 4 1880 Max Internal Minor Diameter MINR sizE 4 3060 cont d User s 47 cont d KEYSTROKE DISPLAY Min Internal Major Diameter sizE 5 0000 5 Switch to External 4g Tolerance Class and find the available External Thread characteristics Thread Class EXT MM 4G THRED size El 5 0 75 MM Rod Size for Thread Cutting ROD s ze 5 0000 Rod Size for Cold Forming CFORM size 4 4520 MM Max External Pitch Diameter sizE 4 4910 Min External Pitch Diameter PTCH sizE 4 4350 MM Max External Major Diameter MAJR SI
22. AREA 0 repeats options AREA Std Fifth press of Volume Answer Format VOL Std VOL 0 cU FEET VOL 0 VOL 0 CU INCH repeats options VOL Std Sixth press of Fractional Mode FRAC Std cont User s 15 cont 4 KEYSTROKE DISPLAY FRAC COnST repeats options FRAC Std Seventh press of 6 Mathematical Operation MATH OrDEr MATH CHAIn repeats options MATH OrDEr ENTERING DIMENSIONS Note Unlike other Calculated Industries Construction Master calculators the Machinist Calc Pro does not have a dedicated Feet key Feet is a secondary function located above the 7 key so you have to use the key then 7 to enter or calculate dimensions using Feet Below are some examples Enter 2 Feet then label as square and cubic units DIMENSIONS KEYSTROKE DISPLAY 2 Feet 28897 2 FEET 2 square Feet 2 SQ FEET 2 cubic Feet 2 CU FEET Enter 2 Feet 3 Inches KEYSTROKE DISPLAY 2078 2 FEET 3 INCH Linear Dimensions Examples of how linear dimensions are entered press after each entry DIMENSIONS KEYSTROKE 23 mils EIEI 717 4 5 Inches 4S 95 millimeters 9 5 mn 1 320 Feet 1 3 2 0 7 201 meters 2 001 9 16 PRO Square and Cubic Dimensions Examples of how square and cubic dimensions are entered press after each entry DIMENSIONS KEYSTROKE 14 square Inches 14 inch inch 11 square millimeters ooga 1 5 cubi
23. Cutting Feed and RPM Spindle Speed or Feed per Tooth Chip Load RPM and Number of Teeth Wire Size Enters or calculates Wire Size for 3 Wire Measurements Unitless entries assumed Inches in U S mode millimeters in Metric mode Calculates the recommended Ideal Maximum and Minimum Wire Sizes given an entered Thread Size Bolt Pattern Enters the number of holes in a Bolt Pattern Calculates the hole Center to Center Spacing and the x and y coordinates for each hole in a Bolt Pattern given entered Diameter Number of Bolt Holes Starting Angle optional and Center x and y coordinates optional Thread Classification Thread Class Used to select the Thread Class for numeric and fractional Threads and the Tolerance Class for metric Threads The default Class for numeric and fractional Thread Sizes is 2B Internal and the default Tolerance Class for metric Thread Sizes is 6H Internal See Thread Sizing section for further details on available Classes Thread Size Enters a numeric fractional or metric Thread Size and provides Thread characteristics such as Cut Tap Drill Size Minimum Major Diameter etc See Thread Sizing section for further details on entry format valid entries and a listing of the resulting Thread characteristics 10 PRO Drill Size oa Thread Enters a non standard Thread Grip Percentage for use in determining screw Tap Drill Sizes Default value
24. Diameter Thread Classification With the Machinist Calc Pro you can choose between Internal and External Threads Entering a U S Thread Size will allow you to choose among U S Thread Classes as shown below Thread U S Thread Classes Internal 1B 2B 3B External 1A 2A 3A Entering a Metric Thread will allow you to choose among Metric Thread Tolerance Classes as shown below Thread Type Metric Thread Tolerance Classes frena 3G 4G 5G 6G 7G 8G 9G 3H 4H 5H 6H 7H 8H 9H 3g 49 59 69 79 8g 9g External 3h 4h 5h 6h 7h 8h 9h 3e 4e 5e 6e 8e 9e 3f 4f 5f ef 7f 8f 9f Default settings Changing Thread Classes To display the current Thread Classification press 606 8 Repeated presses of A will toggle between External and Internal Thread Types You can change the number of Thread Class by entering the number of the desired class grade and pressing GE 42 Pro Changing a U S Thread Classification KEYSTROKE DISPLAY ALL CLEAREd 1 Recall the current Thread Classification DEA Thread Class INT 2B 2 Change to U S External Thread Class 2 EXT 2A 3 Change to U S External Thread Class 1 Thread Class EXT 1A 4 Change to U S Internal Thread Class 1 INT 1B Changing a Metric Thread Classification Changing a Metric Thread Tolerance Class is done in the same manner with several selections availab
25. INCH 6 Find the Maximum 3 Wire Measurement D 3WMAX sizE 0 3990 INCH 7 Find the Minimum Pitch Diameter RPM PTCH sizE 0 3287 INCH 50 CALc KEYSTROKE DISPLAY 8 Find the Maximum Pitch Diameter RPM PTCH SIZE 0 3331 INCH RPM WIRE sizE El 0 04 INCH If no Wire Size is entered the calculated Ideal Wire Size will be used to find the 3 Wire Measurement Pitch Diameter Known 3 Wire Measurement and Wire Size You can also find the measured Pitch Diameter if you know the 3 Wire Measurement and the Wire Size used to obtain the measurement Find the Pitch Diameter of a 3 8 16 Class 2A External screw with a 3 Wire Measurement of 0 3975 Inch obtained using a 0 040 wire KEYSTROKE DISPLAY 0 1 Enter the Thread Size 3106428 Gy SIZE 3 8 INCH 2 Enter the Threads per Inch and store the final Thread Size 1 6 29 THRED size 3 8 16 INCH 3 Set the Thread Class to 2A 2 2B Thread Class EXT 2A f necessary continue pressing until the desired External Thread Class is displayed 4 Enter the Wire Size 0 4 EZ Wire Size WIRE s ze El 0 04 INCH 5 Enter the 3 Wire Measurement CCS 9 7 8 3WIRE s ze 0 3975 INCH 3 W Measure cont 4 User s 51 cont 4 KEYSTROKE DISPLAY 6 Find the Pitch Diameter D P DIA SIZE 0 3316 INCH c WIRE s ze B 0 04 INCH If no Wire Size is entered the calculated Ideal Wire Size
26. IP LOAD Feed per Tooth or Chip Load is the thickness of material removed by each cutting surface You can calculate Feed per Tooth given values for Number of Teeth and Cutting Feed If the Cutting Feed is not known the Feed per Tooth can be calculated given values for Number of Teeth Feed Rate and RPM Spindle Speed Feed per Tooth Based on Cutting Feed and of Teeth Calculate Feed per Tooth Chip Load with a Cutting Feed of 0 024 Inch for 4 Teeth KEYSTROKE DISPLAY 0 1 Enter the Cutting Feed 0 2 4 9 CUT 80 024 INCH REV 2 Enter the Number of Teeth 41020 TEETH 84 3 Calculate the Feed per Tooth 0 0060 INCH TEETH B4 CUT E 0 024 INCH REV User s 33 Feed per Tooth Based on Feed Rate RPM and of Teeth Calculate Feed per Tooth Chip Load with a 12 8 Inch per minute Feed Rate 4 Teeth and a Spindle Speed of 800 RPM KEYSTROKE DISPLAY 0 1 Enter the Feed Rate DADEA FEED El 12 8 INCH MIN 2 Enter the Number of Teeth 4 TEETH 4 3 Enter the Spindle Speed RPM OOD RPM 8800 4 Calculate the Feed per Tooth oo 0 0040 INCH Repeated presses of will toggle through the inputs and outputs starting with the entered Number of Teeth RADIAL CHIP THINNING In a Milling operation when the depth of a cut is less than half the diameter of the tool you can use the Radial Chip Thinning to determine a new faster and more efficient Chipload or
27. LCULATIONS Circumference and Area Based on Diameter Find the Area Circumference and Radius of a circle with a Diameter of 11 Inches KEYSTROKE DISPLAY 0 DIA El 11 INCH Co AREA 95 0332 SQ INCH c CIRC 34 5575 INCH Radius RAD El 5 5 INCH User s 55 Circumference and Area Based on Radius Find the Diameter Area and Circumference of a circle with a Radius of 3 1 4 Inches KEYSTROKE DISPLAY 0 3C CU Radius RAD 3 1 4 INCH Diam DIA B 6 1 2 INCH Ca AREA 33 1831 SQ INCH c CIRC 20 27 64 INCH BASIC D M S AND TRIGONOMETRY EXAMPLES Converting Degrees Minutes Seconds Convert 23 42 39 to decimal degrees KEYSTROKE DISPLAY 0 2 3 4 2 3 9 DMS 23 42 39 CDe dms 4P deg 23 710833 Convert 44 29 to degrees minutes seconds format KEYSTROKE DISPLAY 0 4 4 2 9 ams deg DMS 44 17 24 Note Improperly formatted entries will be redisplayed in the correct convention after any operator key is pressed For example 30 89 entered will be corrected and displayed as 31 29 0 or 31 483333 Time Calculations Using D M S Add 7 Hours 45 Minutes 33 Seconds to 11 Hours 16 Minutes 20 Seconds KEYSTROKE DISPLAY 0 56 CALc KEYSTROKE DISPLAY O05 03 DMS 7 45 33 0000062 08 DMS 19 01 53 Trigonometric Functions The following drawing and formulas list b
28. Repeated presses of display the next larger Drill Sizes The amp keys will toggle forward and backward respectively through all available Drill Sizes Letter Drill Size Entry You can enter letter Drill Sizes by selecting an alphabet character via Alpha Mode 8 and then storing it using the key The desired letter can be selected by toggling through Alpha Mode until the letter is reached or by specifying the numerical order of the letter within the alphabet prior to entering Alpha Mode Both methods are shown below Select Drill Size E by toggling though Alpha Mode Then select Drill Size G by entering the numerical order of the letter the letter G is 7th in the alphabet cont d User s 37 cont 4 KEYSTROKE DISPLAY 0 1 Enter Alpha Mode Alpha ALPHA A 2 Toggle until the letter E is displayed ALPHA E 3 Enter as Drill Size E DRILL SIZE El 0 2500 4 View next larger available sizes 6 40 MM DRILL SIZE El 0 2520 INCH 6 50 MM DRILL SIZE El 0 2559 INCH ca F DRILL SIZE 0 2570 INCH 5 Enter order of letter G and enter Alpha Mode Alpha ALPHA G 6 Enter as Drill Size ga G DRILL SIZE B 0 2610 INCH Repeated presses of A display the next larger Drill Sizes amp keys will toggle forward and backward respectively through all available Drill Sizes Inch Drill Size Entry Enter hole sizes of 0 3 Inch 1 Inch and 1 19 64 Inches After entering each siz
29. Seconds sse 56 Time Calculations Using 5 56 Trigonometrie FUNCIONS s a rcr terrre ren APPENDIX A DEFAULT SETTINGS APPENDIX B PREFERENCE SETTINGS APPENDIX C CARE APPENDIX D ACCURACY ERRORS AUTO SHUT OFF BATTERIES 62 ACCURACY ERRORS ipn este dol cde er bd c RR RHENUS 62 4 CALc Pro GETTING STARTED You may want to practice getting a feel for your calculator keys by reading through the key definitions and learning how to enter data how to store values etc before proceeding to the examples KEY DEFINITIONS Basic Function Keys Ou uo 0 9 and D 9 ne On Clear Key Turns on power Pressing once clears the last entry and the display Pressing twice clears all non permanent values Off Turns all power off Clears all non permanent values Arithmetic operation keys Keys used for entering numbers Convert Used with the dimensional keys to convert between units or with other keys to access special functions Store Used for storing values Storage Registers M1 through M9 Used to store values in Memory registers 1 through 9 Recall Used with other keys to recall stored values and settings Memory Clear M R C Clears Accumulative Memory without changing current di
30. ZE 4 9780 MM Min External Major Diameter MAJR SIZE 4 8880 MM Max External Minor Diameter MINR s ze 4 1660 MM Custom Thread Percentage The Machinist Calc Pro uses a default Thread Grip Percentage of 7596 when calculating Tap Drill sizes With the custom Percentage Thread function you can enter a different value to calculate Tap Drill sizes Calculate the Tap Drill Size for a 1 4 26 screw then change the Thread Grip Percentage to 50 and calculate the new Tap Drill Size KEYSTROKE DISPLAY ALL CLEAREd 1 Enter the Thread Size and calculate the Cut Tap and Roll Tap Drill Sizes De Auc SIZE 1 4 INCH 2006089 THRED size 1 4 INCH Cut Tap Drill Size TAP DRILL SIZE 3 Roll Tap Drill Size R TAP DRILL SIZE 5 9 MM 48 Pro KEYSTROKE DISPLAY 2 Change the Thread Grip Percentage to 5096 and calculate the new Cut Tap and Roll Tap Drill Sizes Comge 96 Thread THRD size El 50 THRED size 1 4 29 INCH Cut Tap Drill Size TAP DRILL SIZE 1 Roll Tap Drill Size R TAP DRILL SIZE 6 MM Repeated presses of Will toggle through the inputs and outputs starting with the Close Fit Drill Size WIRE SIZES AND 3 WIRE MEASUREMENTS Wire Size If you know your Thread Size you can find the Ideal Maximum and Minimum Wire Sizes you can use for that size Screw Thread Find the Ideal Maximum and Minimum Wire Sizes for measuring a 3 8 Thread with 16 Threads per Inch
31. angle values Also enters the Starting Angle of the first hole of a Bolt Pattern with 0 being the three o clock position and the rotation going counterclockwise SETTING FRACTIONAL RESOLUTIONS The Machinist Calc Pro is set to display fractional answers in 64ths of an Inch All examples in this User s Guide are based on 1 64 However you may select Fractional Resolution to be displayed in other formats e g 1 16 1 32 etc The methods for permanently and temporarily changing Fractional Resolution are shown in the following sections Permanently Set Fractional Resolution To permanently set the Fractional Resolution you must be in Preference Setting mode KEYSTROKE DISPLAY 1 Access Preference Settings CD EB Prefs FRAC 0 1 64 iNcH 2 Toggle through available Fractional Resolutions FRAC 0 1 2 INCH FRAC 0 1 4 INCH FRAC 0 1 8 INCH FRAC 0 1 16 INCH FRAC 0 1 32 INCH repeats options FRAC 0 1 64 INCH cont d User s 13 cont d 3 To permanently set the Fractional Resolution you have selected above press or any key to set the displayed Fractional Resolution and exit Preference Settings KEYSTROKE DISPLAY 0 4 To recall your selected Fractional Resolution cu STD 0 1 64 INCH 1 64 is the default setting The display may differ from the example depending on what the resolution is currently set to Temporarily Set Fractional Resolution You can also convert a fractional value to a
32. asic trigonometric formulas for your reference 583 1301 b 36 8699 A 4 B 4 Given side A and angle a find Side C AG OCA Cos e DME 5 3 1 3 89 24 Side B a CF ang Angle b 90 Gag Given side A and angle b find Side B b CO TanB Side C AS b CDD 5 B Angle a 90 Given side B and angle a find Side A OEA Tan Side C BS CDD Sine B cont d User s 57 cont d Given side C and angle a find Side A Cos B Side 2620 5 B Given side A and side C find Angle a AS C BG Arcos Angle b C ICD arsine Given side B and angle b find Side C BS b CEA CoB SideA B b OEA APPENDIX A DEFAULT SETTINGS After a Clear All E29 E3 your calculator will return to the follow ing settings STORED VALUES DEFAULT VALUE Number of Teeth 1 Drill Point Angle 118 Weight per Volume 490 pounds per cubic foot Thread 75 Thread Classification US Threads Internal 2B Metric Threads Internal 6H If you replace your batteries or perform a Full Reset press hold down and press your calculator will return to the following settings in addition to those listed above PREFERENCE SETTINGS DEFAULT VALUE Fractional Resolution 1 64 Functional Result Rounding 0 0000 Default Unit Format US Area Answer Format Standard 58
33. c meters 1 5 9 9 9 3 cubic Feet 3 Gi 7 GD 7 7 CONVERSIONS Linear Conversions Convert 10 Feet 6 Inches to other dimensions including metric KEYSTROKE DISPLAY 0 VOD 7 6 C2 10 FEET 6 INCH i 126 000 INCH 7 Feet 10 5 Conv inch 126 INCH mm J 3200 4 5 cm 320 04 cm 6209 3 2004 Converting a linear value using the key will result in the decimal Inch equivalent of the value rounded to three decimal places Only unitless values are multiplied by 0 001 Inch when using this key Convert 15 Feet 9 1 2 Inches to decimal Feet Then convert back to Feet Inch Fractions KEYSTROKE DISPLAY 0 cont d User s 17 cont d KEYSTROKE DISPLAY Da 7 9 02 1 62 72 15 FEET 9 1 2 INCH Feet 15 791667 FEET 15 FEET 9 1 2 INCH Convert 17 32 Feet to Feet Inch Fractions KEYSTROKE DISPLAY 0 1 7 3 2 7 17 32 Qc 17 FEET 3 27 32 INCH 17 32 FEET 207 84 INCH 17 FEET 3 27 32 INCH Convert 8 1 8 Inches to decimal Inches Then convert to decimal Feet KEYSTROKE DISPLAY 0 0101708 8 1 8 INCH oo 8 125 INCH Feet 0 6770833 FEET Convert 9 0625 Inches to fractional Inches Then convert to decimal Feet KEYSTROKE DISPLAY 9 0 6 2 5 GD 9 0625 INCH 7 Feet 0 7552083 FEET 18 Cacc Pro Square and Cubic Conversions Convert 6 square Feet to other square dimensions
34. croll from first value to total 01 4 INCH 02 7 1 2 INCH 03 6 INCH 04 3 3 4 INCH TTL 21 25 INCH 4 Scroll last two values 04 3 3 4 INCH 03 6 INCH 5 Exit Tape function and add another value to your total TTL 21 25 INCH 21 25 INCH 300140780 24 75 INCH USING THE MACHINIST CALC PRO IMPORTANT All examples are based on the default U S units mode displaying entries and calculations U S units Also note that if an attempt is made to find a solution using the Machinist functions without having stored the minimum required values the calculation will not be performed Instead the currently stored value for the selected function will be displayed See Key Definitions section for function requirements User s 25 RPM SPINDLE SPEED RPM is the rotational speed of the spindle in revolutions per minute In a milling machine or drill the Spindle Speed is the rotation of the attached cutting tool In a turning machine it is the rotation of the attached workpiece RPM can be calculated given values for Diameter and Cutting Speed RPM Milling Calculate the Spindle Speed RPM when milling with a 375 bit at a Cutting Speed of 300 sfm surface feet per minute Diameter 375 LI RPM KEYSTROKE DISPLAY 0 1 Enter the bit Diameter 007 5823 DIA B 0 375 INCH 2 Enter the Cutting Speed 3 0 0 Ge CUT 300 FEET MIN 3 Calculate the Spindle Speed RPM RPM 3056 RPM
35. ction Keys 6 Weight and Volume Function Keys sss 7 Trigonometric Function Keys 7 Miscellaneous F nctilons iEn 8 Machinist Function Keys SETTING FRACTIONAL RESOLUTIONS Permanently Set Fractional Resolution ses 13 Temporarily Set Fractional Resolution 14 PREFERENCE SETTINGS tret teretes 15 ENTERING DIMENSIONS rrt inferne 16 Linear Dimensions inci rin dc E rs 16 Square and Cubic Dimensions d CONVERSIONS imn d Raduni is 17 Neck 17 Square and Cubic Conversions 19 Weight 19 Weight Volume and Volume 20 BASIC MATH OPERATIONS 20 Adding and Subtracting Dimensions Mr 20 Multiplying Dimensions 21 Dividing DIMENSIONS frr eter Eee Rte 21 Calculating Percentages 21 22 MENU 22 Using Memory Storage Keys M1 M9 23 55 TAPE 24 USING THE MACHINIST CALC PRO sse 25 RPM
36. e toggle through the available sizes to view the next larger and next smaller sizes KEYSTROKE DISPLAY 0 38 Pro KEYSTROKE DISPLAY 1 Enter the 0 3 hole size and view next larger and next smaller sizes 3 E223 7 60 MM DRILL SIZE 0 2992 INCH N DRILL SIZE El 0 3020 INCH Ss 19 64 DRILL SIZE El 0 2969 INCH 2 Enter the 1 hole size and view next larger and next smaller sizes opga 1 DRILL SIZE El 1 0000 INCH 25 50 MM DRILL SIZE El 1 0039 INCH 22 63 64 DRILL SIZE El 0 9844 INCH 3 Enter the 1 19 64 hole size and view next larger and next smaller sizes 10219096 262 19 64 DRILL SIZE El 1 2969 INCH 33 00 MM DRILL SIZE El 1 2992 INCH Sse 9 32 DRILL SIZE El 1 2813 INCH Note that even though the Drill Size is shown on the upper left of the display without the whole Inch value e g 19 64 instead of 1 19 64 the decimal inch equivalent reflects the actual size Millimeter Drill Size Entry Enter a 5 7 mm hole size and toggle through the available sizes to view the next larger and next smaller sizes KEYSTROKE DISPLAY 0 1 Enter the hole size as millimeters So Des 5 70 MM DRILL SIZE El 0 2244 INCH 2 View next larger and next smaller sizes 5 75 MM DRILL SIZE E 0 2264 INCH Ss 2 DRILL SIZE El 0 2210 INCH User s 39 DRILL POINT The Drill Point function calculates the Drill Point Cut Depth length of the stored Drill Size By default th
37. e RPM 3 0 0 CZ RPM 8 300 3 Calculate the Cutting Speed a CUT 314 FEET MIN Repeated presses of will toggle through the inputs and outputs starting with the entered Diameter Cutting Speed Drilling Calculate the Cutting Speed using a 10 5 mm drill bit with the Spindle Speed set to 750 RPM KEYSTROKE DISPLAY 1 Enter the Diameter of the hole to be drilled DOV Map DIA El 10 5 User s GuipE 31 cont KEYSTROKE DISPLAY 2 Enter the RPM Dav RPM B 750 3 Calculate the Cutting Speed m CUT 81 FEET MIN Repeated presses of will toggle through the inputs and outputs starting with the entered Diameter Cutting Speed Using Metric Mode If you know you re going to be making your calculations in metric units you can easily set your calculator to Metric Mode prior to entering values Calculate the Cutting Speed when using a 1 drill at 750 RPM Spindle Speed KEYSTROKE DISPLAY 0 1 Set calculator to Metric Mode 263 UnITS 2 Enter the Drill Size DES 1 DRILL SIZE El 5 7912 MM 3 Store as the Diameter egm DIA 5 7912 MM 4 Enter the RPM A CZ RPM 750 5 Calculate the Cutting Speed m CUT 14 M MIN 6 Return calculator to U S Mode 2 2 2 2 69 US UnITS 32 Pro Repeated presses of will toggle through the inputs and outputs starting with the entered Diameter FEED PER TOOTH CH
38. e calculation is based on a Cutting Angle of 118 If a different Angle is desired it can be stored using the Drill Point function for example 1 2 0 stores 120 Find the Drill Point Cut Depth for a 1 2 drill with a 118 Cutting Angle Then find the Cut Depth using a 127 Angle KEYSTROKE DISPLAY 0 1 Enter the Drill Size 1100 2c 1 2 DRILL SIZE El 0 5000 INCH 2 Enter 118 Angle and calculate the Drill Point Cut Depth Drill Point DEPTH DRILL 0 1502 ANGLE DRILL 118 2 Ez 1 2 DRILL SIZE El 0 5000 INCH 3 Enter 127 angle and calculate the Drill Point cut length 1 2 7 Drill Point DEPTH DRILL El 0 1246 INCH THREAD SIZING The key allows you to enter a numeric fractional or metric Thread Size and then toggle through the various available Thread characteristics as shown in the tables provided later in this section When using the key the first entry is considered the Thread Size Upon entering the Thread Size the Threads per Inch or Pitch is required If the entered Thread Size is a standard size continuous presses of the key will toggle through the available common or Pitches Once the desired TPI Pitch is reached pressing stores the Thread 40 CALC Pro Size If the Thread Size you enter is not a standard size or if you have a non common TPI Pitch you will need to directly enter the TPI Pitch value pressing after entering it
39. eed Based on Feed Rate and RPM Calculate a Cutting Feed using a 15 Feed Rate and a Spindle Speed of 800 RPM KEYSTROKE DISPLAY 0 1 Enter the Feed Rate 1 5 FEED E 15 2 Enter the Spindle Speed RPM 8 0 0 CZ RPM 8800 3 Calculate the Cutting Feed c CUT 0 0188 INCH REV Repeated presses of will toggle through the inputs and outputs starting with the entered Feed Rate DRILL SIZES The key allows the selection of a desired Drill Size which can be entered as a Numeric value whole digits 1 through 97 Letter between and 2 Fractional or decimal Inch value maximum of 3 1 2 Inches Millimeter value maximum of 78 mm 36 Pro The selected Drill Size is displayed along with its decimal Inch equivalent If the entered value doesn t match a Drill Size the next smaller size is displayed You can toggle through the available sizes in increasing order with either the key or the key The key displays the available sizes in decreasing order To set the displayed Drill Size press or any other key Numeric Drill Size Entry Enter a 36 Drill and toggle through the next larger available sizes KEYSTROKE DISPLAY 0 1 Enter the Drill Size 3 6 36 DRILL SIZE El 0 1065 INCH 2 Display the next larger available sizes 2 75 MMDRILL SIZE El 0 1083 INCH 7 64 DRILL SIZE 0 1094 INCH 35 DRILL SIZE El 0 1100
40. er will be displayed in Cubic Feet Cubic Feet volume answers always displayed in Cubic Feet regardless of unit entry e g Inches x Inches x Inches Cubic Feet Cubic Meters volume answers always displayed in Cubic Meters regardless of unit entry e g Feet x Feet x Feet Cubic Meters Cubic Inches volume answers always displayed in Cubic Inches regardless of unit entry e g Feet x Feet x Feet Cubic Inches Standard fractions are displayed to the nearest fraction Constant fractions are displayed in the set Fractional Resolution Order the calculator uses the Order of Operations Method 10 4 x 5 30 Chain the calculator uses the Chaining Method as entered 10 4 x 5 70 User s 61 APPENDIX C CARE INSTRUCTIONS Please follow the guidelines listed in this section for proper care and operation of your calculator Not following the instructions listed below may result in damage not covered by your warranty Refer to the WARRANTY section on page 69 for more details Do not expose calculator to temperatures outside the operating temperature range of 32 F 104 F 09 40 Do not expose calculator to high moisture such as submer sion in water heavy rain etc APPENDIX D ACCURACY ERRORS AUTO SHUT OFF BATTERIES RESET ACCURACY ERRORS Accuracy Display Capacity Your calculator has a twelve digit display made up of eight digits normal
41. es 11 Feet 5 1 4 Inches 18 25 Inches Then subtract 2 1 8 Inches 20 CALc KEYSTROKE 6627201026 2027561046 1 8 2 5 S20003 6 Multiplying Dimensions DISPLAY 6 FEET 2 1 2 INCH 17 FEET 7 3 4 INCH 19 FEET 2 INCH 18 FEET 11 7 8 INCH Multiply 5 Feet 3 Inches by 11 Feet 6 1 2 Inches KEYSTROKE DISPLAY 5 7 3 Cp x 5 FEET 3 INCH 1027601026 Multiply 2 Feet 7 Inches by 10 KEYSTROKE 60 59375 SQ FEET DISPLAY 276 7 7 0263 1 0 Dividing Dimensions Divide 30 Feet 4 Inches by 7 Inches 25 FEET 10 INCH KEYSTROKE DISPLAY 3 0 6 7 4 02427 me 52 Divide 20 Feet 3 Inches by 9 KEYSTROKE DISPLAY 2016271302696 2 FEET 3 INCH Calculating Percentages The key can be used for finding a given percent of a number or for working add on discount or division percentage calculations It can be used with any type of number in any dimension Feet Inch millimeter etc and any type of convention non dimensioned linear square or cubic cont d User s 21 cont Find 1896 of 50 Feet KEYSTROKE DISPLAY 0 5 0627 9180 9 FEET Take 2096 from 17 Feet 6 Inches KEYSTROKE DISPLAY 00776276026 2 0 23 14 FEET 0 INCH MEMORY OPERATION Whenever the key is pressed the displayed value will be added to the Memory Other Memory functions FUNCTION KEYSTROKE Add to Memory Subtract from Memory Recall t
42. imer CI MAKES NO WARRANTY OR REPRESENTATION EITHER EXPRESS OR IMPLIED WITH RESPECT TO THE PRODUCT S QUALITY PERFORMANCE MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE AS A RESULT THIS PRODUCT INCLUDING BUT NOT LIMITED TO KEYSTROKE PROCEDURES MATHEMATICAL ACCURACY AND PREPROGRAMMED MATERIAL 15 SOLD 5 IS AND YOU THE PURCHASER ASSUME THE ENTIRE RISK AS TO ITS QUALITY AND PERFORMANCE IN NO EVENT WILL CI BE LIABLE FOR DIRECT INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES RESULTING FROM ANY DEFECT IN THE PRODUCT OR ITS DOCUMENTATION The warranty disclaimer and remedies set forth above are exclusive and replace all others oral or written expressed or implied No CI dealer agent or employee is authorized to make any modification extension or addition to this warranty Some states do not allow the exclusion or limitation of implied warranties or liability for incidental or consequential damages so the above limitation or exclusion may not apply to you This warranty gives you specific rights and you may also have other rights which vary from state to state FCC Class B This equipment has been certified to comply with the limits for a Class B calculating device pursuant to Subpart J of Part 15 of FCC rules 66 CALc Legal Notes Software copyrighted and licensed to Calculated Industries by Specialty Calculator Technologies LLC 2011 User s Guide copyrighted
43. ith ANSI ASME 1 1 2003 and ANSI ASME B 1 13M 2005 KEYSTROKE DISPLAY ALL CLEAREd 1 Verify Thread Class is set to 2B Thread Class INT 2B 44 Pro KEYSTROKE DISPLAY 2 Enter the Thread Size Be 3 Enter the and store the final Thread Size ooe THRED s ze E18 32 4 Find the available Internal Thread characteristics Cut Tap Drill Size Roll Tap Drill Size Close Fit Drill Size DRILL SIZE 29 R TAP DRILL SIZE 3 75 MM CLOSE DRILL SIZE 18 Free Fit Drill Size FREE DRILL SIZE 16 Min Internal Pitch Diameter PTCH sizE 0 1437 INCH Max Internal Pitch Diameter PTCH sizE 0 1475 INCH Min Internal Minor Diameter SIZE 0 1300 INCH Max Internal Minor Diameter MINR SIZE 0 1390 INCH Min Internal Major Diameter MAJR SIZE 0 1640 INCH 5 Switch to Thread Class 2A and find the available External Thread characteristics Thread Class EXT 2A THRED size H8 32 Rod Size for thread cutting ROD s ze 0 1640 INCH Rod Size for cold forming CFORM size 0 1412 INCH Max External Pitch Diameter PTCH SIZE 0 1428 INCH Min External Pitch Diameter PTCH SIZE 0 1399 INCH Max External Major Diameter MAJR SIZE 0 1631 INCH Min External Major Diameter MAJR 512 0 1571 INCH Max External Minor Diameter MINR SIZE 0 1259 INCH User s 45 Fractional Thread Size Find the available Internal and External Thread characteristics
44. le for Internal and External Threads KEYSTROKE DISPLAY ALL CLEAREd 1 Enter a Tolerance Grade of 4 4 Thread Class INT MM 4H 2 Toggle through the available Tolerance Positions for the entered Grade EXT MM 4G EXT MM 4H EXT MM 4E EXT MM 4F INT MM 4G INT MM 4H cont d User s 43 cont KEYSTROKE DISPLAY 3 Enter a Tolerance Grade of 6 and toggle through the available Tolerance Positions for the entered Grade 6 28 Thread Class INT MM 6H EXT MM 6G EXT MM 6H CA EXT 6E Repeated presses of will continue to toggle through the available Tolerance Positions of the specified Grade Note The number 3 can be entered to select both U S and Metric classes If no Thread Size is stored when accessing the Thread Classification function the U S Class will always be displayed In order to select a Tolerance Class with a Grade of 3 for a Metric Thread Size the Metric Thread Size must be stored prior to accessing the Thread Classification function Numeric Thread Size Enter a 8 32 screw and toggle through the available Internal Thread Class 2B characteristics then switch to External Thread Class 2A and toggle through the available Thread characteristics Note The default U S Thread Class is 2B Internal To view the current Thread Class press E To change the class press again Thread Size calculations for Pitch Major and Minor Diameter attributes are compliant w
45. or Y 03 13 2766 INCH DIA 83 5 INCH pation 10 INCH Yoc El 15 INCH ANGLE 20 D m 6 6 39 d Fa 9 S E pA User s 53 RIGHT TRIANGLE FUNCTIONS With the Machinist Calc Pro you can easily solve Right Triangle problems by simply entering two of four variables Adjacent Opposite Hypotenuse or Angle Right Triangle Based on Adjacent and Opposite Legs Calculate the Hypotenuse Angle and Adjacent Angle of a right triangle with an Adjacent Leg of 3 Inches and an Opposite Leg of 4 Inches e Opposite Leg 4 Hypotenuse Adjacent Leg 3 A KEYSTROKE DISPLAY 0 1 Enter the Adjacent Leg length Me ADJ B3 INCH 2 Enter the Opposite Leg length 400 6 OPP B14 INCH 3 Solve for the Hypotenuse HYP 5 0000 INCH 4 Solve for the Angle ANGLE E 53 130102 5 Solve for the Adjacent Angle ADJ lt 36 8699 54 CALc Right Triangle Based Hypotenuse and Angle Calculate the Adjacent Angle Adjacent Leg and Opposite Leg of a right triangle with a Hypotenuse of 12 Inches and a known Angle 35 34 KEYSTROKE DISPLAY 0 1 Enter the Hypotenuse vond HYP B 12 INCH 2 Enter the known Angle 3 5 3 4 629 ANGLE 8 35 34 3 Solve for the Adjacent Angle ADJ lt 54 6600 4 Solve for the Adjacent Leg ADJ 9 7888 INCH 5 Solve for the Opposite Leg OPP B 6 9411271 INCH CIRCLE CA
46. ores You may also call Calculated Industries at 1 775 885 4900 Battery Replacement Instructions To replace the batteries slide open the battery door at top backside of unit and replace with new batteries Make sure the batteries are facing positive side up If your calculator should ever lock up press Reset a small hole located above the key to perform a total reset RESET User s 63 REPAIR AND RETURN RETURN GUIDELINES 1 Please read the Warranty in this User s Guide to determine if your Calculated Industries product remains under warranty before calling or returning any device for evaluation or repairs If your product won t turn on check the batteries as outlined in the User s Guide If you need more assistance please go to the website listed below If you believe you need to return your product please call a Calculated Industries representative between the hours of 7 00am to 4 30pm Pacific Time for additional information and a Return Merchandise Authorization RMA Call Toll Free 1 800 854 8075 Outside USA 1 775 885 4900 www calculated com warranty 64 CALc WARRANTY Warranty Repair Service U S A Calculated Industries warrants this product against defects in materials and workmanship for a period of one 1 year from the date of original consumer purchase in the U S If a defect exists during the warranty period at
47. otal in Memory oo Display Clear Memory ea Clear Memory coc Memory is semi permanent clearing only when you do one of the following turn off the calculator press press press 3 Clear All When Memory is recalled consecutive presses of will display the calculated Average and total Count of the accumulated values Using M DISPLAY 3 5 5 M 355 m 2660 M 255 m 22 CALc KEYSTROKE DISPLAY 2 45 89 m M 745 0 cC TOTAL 135 m AVG 45 COUNT 3 m 135 Using Memory Storage Keys M1 M9 In addition to the standard cumulative Memory as previously described your calculator has nine independent Storage Registers M1 through M9 that can be used to permanently store single noncumulative values The following example shows the use of M1 To use M2 9 replace the presses of the 1 key with presses of the corresponding number key 2 9 You can replace a value in one of these Memory registers by storing a new value in place of the stored value FUNCTION KEYSTROKE Store single value in M1 gau Clear M1 0 1 Recall M1 Store 175 into M1 recall the value and then clear the value KEYSTROKE DISPLAY 1 7 5 1 175 62209 0 1 175 076 1 MEM 1 0 User s 23 PAPERLESS OPERATION The Paperless Tape allows you to display and re
48. reference Settings section Machinist Function Keys Cut Speed Cut Conv Em Cutting Speed Enters or calculates Cutting Speed Unitless entries assumed feet per minute in U S mode meters per minute in Metric mode Calculates Cutting Speed given entered Diameter and RPM Spindle Speed Result is displayed as a whole number Radial Chip Thinning RCT Enters a Cut Depth and calculates a Radial Chip Thinning factor to increase the Feed Rate given Feed Per Tooth Tool Diameter and a Cut Depth that is less than one half the Tool Diameter Unitless entries assumed Inches in U S mode millimeters in Metric mode Revolutions per Minute Enters or calculates RPM Spindle Speed Calculates RPM given entered Diameter and Cutting Speed Result is displayed as a whole number 3 Wire Measurement 3 W Measure Enters or calculates a Three Wire Measurement Unitless entries assumed Inches in U S mode millimeters in Metric mode Calculates the minimum and maximum Three Wire Measurements and Pitch Diameters given entered Thread Size and Wire Size assuming an External thread type If a Three Wire Measurement value is entered the Pitch Diameter calculation is based on this entered measurement cont d User s 9 cont 4 Feed Rate Enters or calculates Feed Rate Unitless entries assumed inches per minute in U S mode millimeters per minute in Metric mode Calculates Feed Rate given values for
49. s 7 cont 4 Arccosine ArcCos Calculates the angle for the entered or calculated Cosine value Tangent Tan Calculates the Tangent of an entered degree or unitless value Arctangent ArcTan Calculates the angle for the entered or calculated Tangent value Miscellaneous Functions Do ene os Degrees Minutes Seconds dms deg Converts between D M S and decimal degree formats repeated presses will toggle between the two formats Percentage Used to find a given percent of a number x Squares the value on the display Backspace Function Used to delete entries one keystroke at a time unlike the function which deletes the entire entry Square Root Nx Calculates the Square Root of the number on the display Reciprocal 1 x Finds the Reciprocal of a number e g 8 0 125 Clear All Returns all stored values to the default settings Does not affect Preference Settings Change Sign Toggle displayed value between negative and positive value Pi Displays value of 7t 3 1415927 8 PRO ce anes Paperless Tape Tape Accesses the Paperless Tape mode see Paperless Tape section which keeps track of your past 30 entries Useful for checking strings of numbers Preference Settings Prefs Accesses various customizable settings such as dimensional answer formats see P
50. splay Memory Clear Clears Accumulative Memory and displays total Accumulative Memory Adds displayed value to Accumulative Memory cont d User s 5 cont M Subtracts displayed value from Accumulative Memory Dimensional Function Keys mm Millimeters Identifies entry as millimeters with repeated presses toggling between linear area and volume units Converts dimensional value to units of millimeters with repeated presses toggling between millimeters and meters 5 Centimeters cm Identifies entry as centimeters with repeated presses toggling between linear area and volume units 9 Meters Identifies entry as meters with repeated presses toggling between linear area and volume units Feet Identifies entry as Feet with repeated presses of toggling between linear area and volume units Also used with for entering Feet Inch values Repeated presses of during conversions toggle between fractional Feet Inch and decimal Feet 2 Inch Identifies entry as Inches with repeated presses toggling between linear area and volume units Entry can be whole or decimal numbers Also used with 62 for entering fractional Inch values 9 9 02 1 08 2 Repeated presses during conversions toggle between fractional and decimal Inches Fraction Bar Used to enter fractions Fractions can be entered as proper 1 2 1 8 1 16 or improper 3 2 9 8 If
51. splayed to three decimal places FLOAT calculation results using Machinist functions are always displayed to the maxi mum number of decimal places 3 Default Unit US unitless values stored within Machinist Format functions are automatically assigned the corresponding default U S units of the selected function METRIC unitless values stored within the Machinist functions are automatically assigned the corresponding default Metric units of the selected function 4 Area Answer Standard if units entered are the same Format e g Feet x Feet area answers will remain in this format Square Feet but if units entered are different e g Inches x Feet area answers will be displayed in Square Feet Square Feet area answers always displayed in Square Feet regardless of unit entry e g Inches x Inches Square Feet Square Inches area answers always displayed in Square Inches regardless of unit entry e g Feet x Feet Square Inches Square Meters area answers always displayed in Square Meters regardless of unit entry e g Feet x Feet Square Meters 60 CALc 5 Volume Answer Format 6 Fractional Mode 7 Mathematical Operation Standard if units entered are the same 9 Feet x Feet x Feet the answer will remain in this format Cubic Feet but if units entered are different e g Feet x Feet x Inches volume answ
52. view the last thirty entries of a regular math or basic dimensional math sequence To access this mode after entering values press 2 3 Then press to scroll forward or backward through the entries While in the Paperless Tape mode the display will show the previously entered or calculated value along with the sequential number of the entry e g 01 02 03 etc and the math operator x 96 in the upper left corner of the display Note If amp has been used in the middle of a sequence SUB for Subtotal will display in the upper left If amp was the last operation performed the display will show TTL Total as the last entry To exit this mode press amp to exit and maintain the last entry on the display When exiting the last entry or TTL will be displayed allowing you to continue using the last tape value for another operation if desired Note The Paperless Tape is cleared when you do one of the following is pressed twice upon a new calculation new equation string is started when the calculator is shut off Add a sequence of values and access Paperless Tape mode to review your entries Then add another value to your total KEYSTROKE DISPLAY 1 Add a sequence of values 0 41 288 4 24 CALc KEYSTROKE DISPLAY M0028 11 5 INCH 6a 17 5 INCH 300340490 21 25 INCH 2 Access the Tape function TTL 21 25 INCH 3 S

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