USER MANUAL
Contents
1. Conversion section on page 12 of this manual for information on converting the tension reading to an approximate torque Reverse the power tool and back off the Test Nut Repeat steps 2 thru 4 two more times Determine the average of the three gage readings This becomes the Norm gage reading for the tested power tool Keep a tool record by serial number Include all test parameters including test date Test Bolt Assembly size USER MANUAL MODEL RL 105 wily F K SKIDMOREWILHELM www skidmore wilhelm com Norm gage reading and air pressure if the tool is pneumatic Tension to Torque Conversion Conversion of tension to torque involves several complex factors First an accurate conversion of bolt tension readings to foot pounds of torque must account for the dynamics of the friction between the Test Bolt threads and between the Test Nut and Test Washer Tension developed in a bolt by the application of torque can vary greatly as the rate of rotation changes particularly as the rotation slows to zero Second the effective torque delivered by an impact wrench is related directly to the assembled joint stiffness The same impact blow delivered to a hard joint will result in a different job torque than a soft joint Therefore actual job torque performance can be determined only by testing the actual assembled joint This also means that tool performance as indicated on the Tool Tester may not equal the torque delive2. Assembly DO NOT leave a Test Bolt Assembly under tension in the Tool Tester for an extended period of time This can cause premature failure of the sealing system Re apply the R 0050 Test Lube after every 5 10 test A cycles Failure to do so will cause inconsistent test results and premature failure of the Test Bolt Assembly components The Material Safety Date Sheet MSDS for the R 0050 TEST BOLT LUBE can be downloaded from the following link http www skidmore wilhelm com pdf Velox_msds odf USER MANUAL MODEL RL 105 wily fX SKIDMOREWILHELM www skidmore wilhelm com How to Read the Gage The Tool Tester gage measures the tension developed in the Test Bolt in units of pounds force Ibf Dials with metric force kN units are also available Gage Dial Scale Resolution The large marks are in increments of 5 000 Ibf and the small marks are in increments of 1000 Ibf as shown in Figure 8 NEEDLE INDICATING 55 000 Ibf TENSION LOAD 1000 Ibf d INCREMENT iff E i 1 SRIDMOREN LIN MIG Co NEEDLE POSITION nal CLEVELAND ONO NOIOAD Figure 8 Example of How to Read the Gage Dial DO NOT exceed the maximum range on the gage dial This can cause premature failure of the pressure gage Impact tools can create excessive vibration that can make it difficult to read the gage dial during tightening Skidmore Wilhelm offers an optional Remote Gage Kit
3. Base Plate Bolt Hole Pattern USER MANUAL MODEL RL 105 SKIDMOREWILHELM www skidmore wilhelm com Selecting the Proper Test Bolt Assembly A precision Test Bolt Assembly includes a Test Plate Test Bolt Test Nut and Test Washer as shown in Figure 4 TEST BOLT TEST TEST WASHER TEST NUT Figure 4 Test Bolt Assembly Test Bolt Assemblies are selected based on the maximum expected output torque of the power tool to be tested Refer to the Test Bolt Assembly Selection Chart in Figure 5 RL 105 TEST BOLT ASSEMBLY SELECTION CHART Nominal Test Nut Max Max Max Max PART Test Bolt Hex Size Torque Tension Torque Tension Diameter ft Ib Ibf N m KN R 112 3 4 1 1 4 350 40 000 475 175 R 116 1 1 1 2 800 70 000 1085 310 R 120 1 1 4 2 1500 110 000 2035 490 Figure 5 Test Bolt Assembly Selection Chart Copyright 2013 Skidmore Wilhelm Tungsten Capital Partners LLC All rights reserved including illustrations Revision 11 2013 Printed in USA tug PO SKIDMOREWILHELM www skidmore wilhelm com USER MANUAL MODEL RL 105 wily F K SKIDMOREWILHELM www skidmore wilhelm com Installing the Test Bolt Assembly Install the Test Bolt Assembly in the Tool Tester referencing Figure 7 as follows e Attach the Test Bolt Plate with four 44 20 mounting screws provided snug tighten e Insert the threaded end of the Test Bolt thru the pi
4. LHELM www skidmore wilhelm com Calibration All Tool Testers are factory calibrated using precision compression presses dead weights and or proving rings that are traceable to NIST standards A written Calibration Certificate is included with each unit The Tool Tester should only be re calibrated by a A qualified technician using NIST traceable equipment The Tool tester is calibrated as an assembly and A disassembly will void the calibration Removal of the gage for a pressure calibration will not provide a true calibration of the assembly Skidmore Wilhelm recommends returning your unit to the factory for re calibration on an annual basis This will insure that the Tool Tester performs to original factory specifications Please consult your own quality requirements or those of the appropriate sanctioning body to determine your required re calibration cycle The following link provides detailed instructions for returning your Tool Tester for calibration http www skidmore wilhelm com calibration request html To avoid shipping damage always ship the Tool Tester A in its original Pelican case It is not necessary to return the Test Bolt Assemblies Maintenance The Tool Tester requires minimal maintenance None of the Tool Tester components are user serviceable Skidmore Wilhelm will replace the seals every five years as part of our re calibration service Please consult us if you notice oil leakage or are unsure if
5. USER MANUAL MODEL RL 105 POWER TOOL TESTER sig f 4 SKIDMOREWILHELM www skidmore wilhelm com CUSTOMER SUPPORT 216 481 4774 EXTENSION 6 TABLE OF CONTENTS oem CHI 2 Typical Testing Applications 2 SEI 2 Principle of 3 Tool Tester Setup amp Operation 4 Mounting the Tool Tester 4 Base Plate Hole Pattern 5 Selecting the Proper Test Bolt 6 Installing the Test Bolt Assembly 8 How to Read the 10 Setting Up a Standardized Testing Procedure 11 Tension to Torque Conversion sss 12 amp lloro E 14 M intenances e d tr beet e eed 14 Replacement Parts for Test Bolt Assemblies 15 Available Tool Tester 17 Remote Gage 17 Air Timer Control KIE iiie inn i a nena eae neca 18 Product Specifications ssssssseeeeeee 19 wily LA K SKIDMOREWILHELM www skidmore wilhelm com Introduction Thank you for purchasi
6. acement Part Numbers Copyright 2013 Skidmore Wilhelm Tungsten Capital Partners LLC All rights reserved including illustrations Revision 11 2013 Printed in USA Jo SKIDMOREWILHELM www skidmore wilhelm com Available Tool Tester Options Remote Gage Kit Skidmore Wilhelm offers an optional Remote Gage Kit part RGM 100 that allows the gage to mounted remotely which minimizes the vibrational effects when testing impact tools See Figure 11 Please contact Skidmore Wilhelm for more information FITTING TEST 36 FLEXIBLE COUPLING HOSE Figure 11 Remote Gage Kit Installation USER MANUAL MODEL RL 105 wily fX SKIDMOREWILHELM www skidmore wilhelm com Air Timer Control Kit To improve pneumatic tool testing repeatability Skidmore Wilhelm offers an optional Air Timer Control Kit The kit uses an adjustable timer a foot pedal switch and high flow solenoid to control the time that a pneumatic tool is energized during the test procedure A timer override switch allows the user to bypass the timer as needed The kit is configurable in both 110 and 220 AC voltages and with several different size air line connections Please contact Skidmore Wilhelm with your requirements TIMER CONTROL r ADJUTABLE TIMER CONTROL BOX TIMER CONTROL OVERIDE SKIDMORE WILHELM Figure 12 Air Timer Control Box Copyright 2013 Skidmore Wilhelm Tungsten Capital Partners LLC All rights res
7. erved including illustrations Revision 11 2013 Printed in USA SKIDMOREWILHELM www skidmore wilhelm com Product Specifications Max Tension Measuring Capacity 110 000 Ibf 500 kN Measurement Accuracy Within 1 of reading above 20 000 Ibf Calibration Traceable to NIST Test Bolt Assembly Size Range 3 4 thru 1 1 4 Weight Tester Only 39 Ibs 17 7 kg Due to continual product improvements specifications are subject to change 1413 16 Figure 13 Overall Dimensions USER MANUAL MODEL RL 105
8. l Tester is an oil filled hydraulic load cell with a hole through the center of the piston amp body A typical setup with a precision Test Bolt Assembly installed is shown in Figure 1 As the Test Nut is tightened the Test Bolt stretches and the piston applies a compressive force to the hydraulic oil contained between the piston and calibrator body This force causes a pressure increase in the hydraulic oil that is proportional to the increase in tension generated in the Test Bolt A specially calibrated gage measures the pressure and provides a reading of equivalent tensile force developed in the bolt TEST NUT TEST WASHER PRESSURE GAGE PORTA HTORAUNG RETAINER CLIP PISTON Figure 1 Typical Tool Tester Cross Section USER MANUAL MODEL RL 105 vetus SK DMOREWILHELM www skidmore wilhelm com Tool Tester Setup amp Operation Mounting the Tool Tester The Tool Tester must be securely fastened to a sturdy level workbench using four grade 8 bolts as shown in Figure 2 WORKBENCH TOP Figure 2 Typical Bench Top Mounting See Figure 3 for a dimensioned reference drawing of the required hole pattern Copyright 2013 Skidmore Wilhelm Tungsten Capital Partners LLC All rights reserved including illustrations Revision 11 2013 Printed in USA Jo SKIDMOREWILHELM www skidmore wilhelm com Base Plate Hole Pattern Drawing AX 0 17 32 THRU ALL Figure 3
9. ng the Skidmore Wilhelm RL 105 Power Tool Tester Our design builds on over 50 years of industry leading experience in bolt tension measurement and power tool testing while maintaining the accuracy reliability ease of use and technical support that you have come to expect from Skidmore Wilhelm Note This document can be downloaded in PDF format from the Skidmore Wilhelm website www skidmore wilhelm com Typical Testing Applications The Tool Tester is used with an appropriately sized precision Test Bolt Assembly to verify the performance of a wide variety of power tools including but not limited to impact wrenches pneumatic hydraulic electric wrenches nut runners stall tools etc Safety Safety First Read all instructions warnings and A Q cautions carefully Follow all safety precautions to avoid personal injury or property damage during use Skidmore Wilhelm cannot be responsible for damage or injury resulting from unsafe product use lack of maintenance or incorrect product and or system operation Contact Skidmore Wilhelm when in doubt as to the proper safety precautions and operations Failure to follow the proper safety procedures can cause equipment damage and or personal injury Copyright 2013 Skidmore Wilhelm Tungsten Capital Partners LLC All rights reserved including illustrations Revision 11 2013 Printed in USA T SKIDMOREWILHELM www skidmore wilhelm com Principle of Operation The Too
10. red to the job There two different methods that can be used to approximate torque Torque Wrench Method 1 Establish the bolt tension Norm of the power tool using steps 1 8 of the standardized test procedure 2 Back off the Test Nut 3 Tighten the Test Nut using a hand torque wrench until the gage dial reading reaches the norm Note the torque reading on the manual torque wrench This torque reading approximates the torque output of the tested power tool Copyright 2013 Skidmore Wilhelm Tungsten Capital Partners LLC All rights reserved including illustrations Revision 11 2013 Printed in USA SKIDMOREWILHELM www skidmore wilhelm com Torque Factor Method We have developed tension to torque conversion factors that can be used to calculate an approximate torque number see Figure 9 The calculation is very simple Approx Torque Gage Dial Reading Torque Factor The Torque Factors for each bolt size are shown in RL 105 TEST BOLT ASSEMBLY TORQUE CONVERSION FACTORS Test Bolt Size 3 4 120 1 90 1 1 4 70 Torque Factor Figure 9 Test Bolt Assembly Torque Conversion Factors Conversion factors are based on using Skidmore Wilhelm R 0050 Test Bolt Lube Test Bolt Assembly components must be in good condition Conversion factors are best used in the midrange of the Test Bolts tensile capacity USER MANUAL MODEL RL 105 SKIDMOREWI
11. ston from the back side of the tester Align the Test Bolt dowel pin holes with the dowel pins in the piston e Install the retaining clip in the piston groove e Apply a liberal amount of R 0050 Test Bolt Lube to the Test Bolt threads the face of the Test Nut Flange and Test Washer See Figure 6 amp Figure 7 T R 0050 TEST BOLT LUBE Bee ai Skip FOR MOREWILHELM 005 SEE THE FOLLOWING Skidmore Im com pat velox msdi pdf NET Wr 15 OZ 118 Figure 6 R 0050 Test Bolt Lube e Install the washer and nut on plate side and finger tighten the nut e f the Tool Tester has not been used recently exercise it by tightening and loosening the Test Bolt Assembly several times before recording test results Copyright 2013 Skidmore Wilhelm Tungsten Capital Partners LLC All rights reserved including illustrations Revision 11 2013 Printed in USA Jo SKIDMOREWILHELM www skidmore wilhelm com The Test Bolt must be properly aligned with the dowel pins and fully seated in the piston pocket The retainer clip must be installed as shown in Figure 7 o RETAINING gt CHIPA SNUG TIGHTEN BOLI MOUNTING SCREWS M g TEST 17 L PLATE X LUBRICATE TEST THREADS WITH WASHER R 0050 LUBE PROPERLY ALIGNED amp SEATED TEST BOLT amp RETAINING CLIP Trou WASHER FACE amp NUT FLANGE FACE WITH R 0050 LUBE Figure 7 Installation of Test Bolt
12. that minimizes the vibrational effects For more information on the Remote Gage Kit see the Available Tool Tester Options section on page 17 of this manual Copyright 2013 Skidmore Wilhelm Tungsten Capital Partners LLC All rights reserved including illustrations 1 0 Revision 11 2013 Printed in USA vot t d ic SKIDMOREWILHELM www skidmore wilhelm com Setting Up a Standardized Testing Procedure You can improve performance minimize testing variability and reduce maintenance costs by setting up a standardized testing procedure Establish your standardized testing procedure as follows 1 Select the proper Test Bolt Assembly See Figure 5 Test Bolt Assembly Selection Chart Always use the same size test bolt each time you test a specific power tool Install and properly lubricate the Test Bolt Assembly as described on page 8 and tighten the Test Nut finger tight Apply the power tool to the test bolt assembly for a standard amount of time usually 5 seconds The time selected should allow the tool to stall or shutoff Skidmore Wilhelm sells an Air Timer Control device that insures that the power tool will be energized for a set amount of time For more information on the Air Timer Control device see the Available Tool Tester Options section on page 17 of this manual Record the dial reading on the Tool Tester gage This reading will be in pounds force Ibf of bolt tension not torque See the Tension to Torque
13. the Tool Tester is performing correctly Copyright 2013 Skidmore Wilhelm Tungsten Capital Partners LLC All rights reserved including illustrations Revision 11 2013 Printed in USA SKIDMOREWILHELM www skidmore wilhelm com Keep the Tool Tester clean and free of excess oil grease and dirt Only use cleaning solutions that are compatible with Nitrile rubber Replacement Parts for Test Bolt Assemblies Test Plates should last the life of the Tool Tester However Test Bolts Test Nuts and Test Washers are wear parts that will have to be replaced at regular intervals Their useful life will be dependent on usage with peak tension loads lubrication amp cleanliness all affecting longevity See Figure 10 for the Test Bolt Assembly replacement part numbers All replacement parts are available directly from Skidmore Wilhelm USER MANUAL MODEL RL 105 SKIDMOREWILHELM www skidmore wilhelm com RL 105 TEST BOLT ASSEMBLY REPLACEMENT PARTS PART Description M 015 RETAINER CLIP R 0050 TEST BOLT LUBE R 212 3 4 TEST BOLT R 312 3 4 TEST NUT R 412 3 4 TEST WASHER R 512 3 4 TEST PLATE R 216 1 TEST BOLT R 316 1 TEST NUT R 416 1 TEST WASHER R 516 1 TEST PLATE R 220 1 1 4 TEST BOLT R 320 1 1 4 TEST NUT R 420 1 1 4 TEST WASHER R 520 1 1 4 TEST PLATE Figure 10 Test Bolt Repl
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