Linear Gage LGF-110L-B/125L-B/150L-B/0510L-B/0525L
Contents
1. Model No LGF 0525L B LGF 0550L B Resolution 5um Accuracy at 20 C 7 5 L 50 um L Measured length in mm Output signal pitch 20um Minimum edge interval 1000ns Measuring range 10mm 25mm 50mm 4 6 N or less 5 7 Nor less Contact point downwards 1 2 N or less Contact point horizontal 1 1 N or less 4 3 N or less 5 3 N or less 1 0 N or less 4 0 N or less 4 9 N or less Contact point upwards Stem Diameter 08 Specifications common to all series Quantizing error 1 count Positional sensor Photoelectric transmission linear encoder Response speed 1 5m s 7 Output method 90 phase differential square wave compatible with RS 422A Refer to the above table for Output Signal pitch and Minimum edge interval Contact point 63 carbide ball Thread M2 5x0 45 Bearing type Stroke ball bearing Protection level IP66 Output cable length 2m directly wired from the gage Operating temperature humidity 0 to 40 C 20 to 80 RH with no condensation Storage temperature humidity 10 to 60 C 20 to 80 RH with no condensation Accessory No 538610 Key spanner for contact point replacement 10mm type No 210187 Key spanner for contact point replacement 25 50mm type 7 In the case of 50mm stroke type an over speed error may occur depending on the spindle retraction amount if the contact point is released freely after it is retracted CE marking EMC Directive E2. rubber boot is available as an optional accessory for replacing contact points 1 Remove the old rubber boot then eliminate the dust and dirt in the grooves part A of the stem and spindle LGF 0510L B LGF 110L B Stem FANA FAA i a Rubber boot Contact point Spindle Key Way LGF 0525L B Stem A j A LGF 125L B j LGF 0550L B i j LGF 150L B to AMD ED Spindle Key Way Rubber boot Contact point 2 Insert a rubber boot between the stem and contact point directing the greater inside diameter end to the stem 3 Apply a small amount of silicone adhesive to the grooves part A and seal both ends of the rubber boot IMPORTANT If the adhesive is applied to the spindle the spindle will not slide properly Great care must be exercised Mitutoyo 7 Specifications Order NO 542 161 542 162 542 163 Model No LGF 110L B LGF 125L B LGF 150L B Resolution 1um Accuracy at 20 C 1 5 L 50 um L Measured length in mm Output signal pitch 4um 500ns 542 172 Minimum edge interval Order NO 542 171 542 173 Model No LGF 0510L B LGF 0525L B LGF 0550L B Resolution 0 5um Accuracy at 20 C 1 5 L 50 um L Measured length in mm Output signal pitch 2um 250ns 542 612 Minimum edge interval Order NO 542 613
3. signals Therefore always design the reception circuitry so that it includes an error detecting process making use of these patterns A Real time pulse output Phase A wave advances when the spindle is retracted awk ae a S ar 1 Output condition Spindle moving speed lt 250mm s 2 Minimum edge to edge interval of output pulses Tr See the following table 3 Output delay time Max 1us Tr minimum 0 5um 1Um 5um resolution B Burst pulse output Phase A wave advances when the spindle is retracted When the response speed reaches the speed limit of real time pulse output the linear gage will switch its signal output form to that consisting of burst pulses At this time these burst pulses will be such 2 phase square wave signals that are forcibly created from the internal clock so the minimum edge to edge interval in their output is smaller than the normal real time pulse output The burst pulses will not always be outputted so as to exactly reflect the actual motion and the delay in signals also becomes larger but the counting values will be still valid as long as this output form continues of LS LS LS a z 1 Output condition 250 mm s 4 lt Spindle moving speed lt Gage response speed 6 2 Minimum edge to edge interval of output pulses Tb See the following table 3 Output delay time 5 eWhen feeding the spindle forward Max 5 us eWhen returning the spindle backward Max 10 us T
4. 2ADN371 O2ADB693 LGF 150L B oe accessories ae Optional accessories LGF 550L B gt 4 F 18 ow N 4 a 2L 4 yaj py Or d selee Mounting nut x n S gt lt O2ADB692 Thrust stem Mounting nut o w M18X1 e Optional accessories Dimension between E E hexagonal opposing sides V O S N Ww T aa 7 J Fixture width L within 10 to 13mm IMPORTANT MMMM Before mounting the trust stem be sure to secure the stem using the dedicated spanner No 02ADB683 No 02ADB693 Excessive force applied between the gage body and stem may cause damage to the gage M9 x 0 5 M14 x 0 5 screw are sued only for mounting the trust stem Do not use them for other purposes Mitutoyo Corporation 20 1 Sakado 1 Chome Takatsu ku Kawasaki shi Kanagawa 213 8533 Japan
5. Linear Gage LGF 110L B 125L B 150L B 0510L B 0525L B 0550L B 525L B 550L B No 99MBC102B1 Series No 542 Foreword To obtain the highest performance and the longest service life from your Linear Gage carefully read this manual thoroughly prior to setup and operation After reading this manual keep it near the Linear Gage for quick reference The specifications of this gage and the description in this manual are subject to change without prior notification Safety Precautions To ensure operator safety use the instrument in conformance with the directions and specifications given in this User s Manual If a contact point with a sharp tip is used exercise sufficient care in handling during replacement or use of it so as not to get hurt AN f a contact point is released freely after it has been pressed in the contact point may burst NOTE forth at a very high speed depending on the amount of spindle travel Sufficiently exercise care so that your fingers or hand may not be pinched Precautions for Use Carefully avoid the following attempts and conditions to protect the instrument from failure and malfunction IMPORTANT Do not apply sudden shocks including a drop or excessive force to the linear gage Do not disassemble or modify the gage Do not use and store the gage at sites where it is exposed to direct sunlight or at extremely hot or cold sites To use the gage highly accurately avoid sites where the temperature
6. N61326 1 Immunity test requirements Clause 6 2 Table2 Emission limit Class B 8 Optional Accessories Extension cable 5m No 902434 Extension cable 10m No 902433 Extension cable 20m No 902432 Rubber boot for 10mm type No 238772 Rubber boot for 25mm type No 962504 Rubber boot for 50mm type No 962505 If the thrust stem and tightening nut are used the gage mount fixture needs only 09 5 or 018 hole to be drilled and also the gage can be mounted firmly and easily see below Thrust stem for 10mm type No O2ADB682 Thrust stem set for 10mm type Tightening nut for 10mm type No nei No 02ADB680 Dedicated spanner for 10mm type No O2ADB683 Thrust stem for 25 50mm type Tightening nut for 25 50mm type Dedicated spanner for 25 50mm type No O2ADB692 No 02ADN370 No O2ADB693 No O2ADN371 ee stem set for 25 50mm type Dedicated spanner O2ADB683 Optional accessories Thrust stem O2ADB6B 1 Optional accessories Example of use LGF 0510L B LGF 110L B in M9 5X0 5 N Mounting nut Thrust stem Mounting nut A O2ADB682 Dimension between lt 6 95 o Optional accessories hexagonal opposing sides 0 015 g g r Bsr re es Fixture width L within 6 to 10 5mm LGF 525L B Thrust stem Dedicated edicated spanner LGF 0550L B O
7. b minimum 0 5um 1pm 5um resolution C Error output The pulse generation circuit may sometimes overstep its response limit if the output wave is subject to extreme disturbance due to vibration or impact in the gage unit or if the spindle moves faster beyond the output limit of burst pulses However at this time as the linear gage will automatically switch its output signal form from burst pulses to error pulses and also synchronize Phase A and Phase B of the 2 phase square wave signals the user can make use of this facility for error detection A ee ge se ince sedir LI LILI LI LI LI LI be erin 1 Output condition The gage will be identified as error under the following conditions and produce its output in one of the above described special patterns e Gage response speed 6 lt Spindle moving speed e At a disturbance such as noise interference vibration etc 2 Minimum edge to edge interval of output pulses Te See the following table Minimum edge to edge interval pulse width under each condition Resolution Tr for real time pulse Tb for burst pulse Te for error pulse 5yum tus tus 0 25us 1m tus 0 5us 0 25us 0 5um 1us 0 25us 0 25us 4 The actual limit of real time pulse output will be depreciated to this value This is because actual detection signals unavoidably contain acceleration components in association with the spindle motion as well as error components from a minu
8. lt the nearest Mitutoyo Service Center f linear gages are used in adverse environments where they are subject to frequent splashes of water and oil it is recommended to take preventive measures such as replacing them before being damaged Each part of the gage is sealed up and therefore must not be disassembled If any part is disassembled the rated performance will not be obtained Do not absolutely disassemble the gage 4 Connecting the Gage to a Counter Connect the output connector of the gage to the input connector on a linear gage counter For detailed information refer to the user s manual of the linear gage counter IMPORTANT If the gage cable is close to the power line for other instruments the gage may malfunction Connect the gage cable as apart from the power line as possible f the gage is connected with other counter than Mitutoyo made allow at least 0 2 second after the gage is turned on then reset the counter 5 Gage Output Signals 1 Output connector RM12BPE 6PH Hirose 2 Pin assignment 2 6 Signal name Signal name Signal name 5V 3 QB GND PA PA OB 3 Power supply to the gage head 4 Power voltage 5V 4 8N to 5 2V Ripple voltage 200mVp p or less Current consumption 120mA max 3 Input output signal level A A OB OB Z TTL line driver AM26LS31 or equivalent 4 Output signal chart This series of gages are provided with the following three patterns for their output
9. nments where electromagnetic interference exceeds EMC requirements defined in this directive appropriate countermeasures are required to assure the product performance Disposal of Old Electrical amp Electronic Equipment Applicable in the European Union and other European countries with separate collection systems This symbol on the product or on its packaging indicates that this product shall not be treated as household waste To reduce the environmental impact of WEEE Waste Electrical and Electronic Equipment and minimize the volume of WEEE entering landfills please reuse and recycle For further information please contact your local dealer or distributors Export Control Compliance The goods technologies or software described herein may be subject to National or International or Japanese Export Controls To export directly or indirectly such matter without due approval from the appropriate authorities may therefore be a breach of export control regulations and the law 1 Name and Dimension of Each Part Tae Thread height 6 0 6 14 8 L 40 5 1 Stem i 2 Rubber boot 1 2 Sf 3 Spindle 5 6 mM 4 Contact point Es if 6 aif hag 6 i cel Cable length 2m M9 5x0 5 LGF 0510L B LGF 110L B Thru
10. ssing the stem directly with set screws The built in bearing may be damaged Notice that excessively tightening the stem can cause trouble in the spindle operation Never fix a linear gage at other than the stem Mount the gages so that the spindle is directed perpendicular to _ gt the measured surface If the gage is mounted at an angle to the measured surface an error may be generated in measurement results Exercise care so as not to exert a force on the gage through the cable 3 Precautions in Protecting the Gage from Dust and Water IMPORTANT The output connector plug and preamplifier counter side is not protective structured Install the gage at a place where it is not splashed directly with water or oil If an extension cable is used completely cover the preamplifier and connector area with a seal so as not to be exposed to environments If the cable covering is broken liquid will penetrate into the gage inside due to capillary phenomenon This will cause damage to the gage Immediately repair the cable Be greatly careful not to damage the rubber boot due to chips etc If the rubber boot is damaged dust proof function will be deteriorated Immediately replace or repair the rubber boot The materials including rubber which are used for the rubber boot and other sealing parts are not universal against diversified coolants and chemicals If those parts deteriorate unusually consu
11. st stem mounting screw on to 2 2 zt S EF x 58 ezi 6 g 12 3 RM12BPE 6PH 418 40 7 A RM12BPE 6PH 40 7 Hirose Hirose er 374 Thread height Thread height on 0 6 20 0 6 20 n A 34 X Ww 61 7 10 86 Cable length 2m Cable length 2m 015 2 yaar ee LGF 0550L B LGF 150L B M14 X0 5 LGF 550L B VL i Thrust st maining sow 915 8 015 atest OT M14 X0 5 D g Thrust st OGAN SS rEW X N SE LGF 0525L B i LGF 125L B g LGF 525L B Eg 5 l l 8 6 13 8 2 Mounting the Gage To mount the gage on another instrument or a fixture clamp the 8 stem or 15 stem It is recommended to use a slotted holder or a split bushing for the mount structure M4 x 0 7 thru 16 15 Unit mm 7 5 1 7 5 A 1 Example1 _ b J eee Vaal A Zi A A 4 5 drill 7 5 countersink 4 4deep x1 og 200 Cross section 0 005 2 Q15 0 024 20 hal u 0 006 gt a 1 75 Example2 2 1 40 020 al A 10 40 005 j p17 0024 M4x0 7thru 1 x2 0 006 eE to goa tg Notch position 7 90 with respect to tap A A A Cross section 2 2 88as8 f egos 3893 2 Split bushing or io 8 8 8 5 15 1 For 10mm Stroke type gt 2 2 For 25 50mm Stroke type lt Led O IMPORTANT Absolutely avoid pre
12. te noise included in the signal itself As a result some burst pulses at a speed below the ideal conditions i e ideal signal form at constant speed may be generated 5 Output delay time Time until the counting pulse catches up the spindle position 6 Gage respond speed Refer to the section of specifications of the Users Manual IMPORTANT Since any output during error can not be used as the attribute data it is necessary to detect the error condition at the reception circuitry side t is recommended to design user circuitry based on an IC chip that is capable of counting at 5 Mcps equivalent to a square wave of 1 25 MHz or greater 5 Input connector and recommended input circuit connector RM12BRD 6S HIROSE ELECTRIC LGF output circuit Recommended input circuit 26LS32 or equivalent 5V 5V ja 2 f T GND l T GND 6 Cable extendible length The cable can be extended up to 20m using the extension cable optional 6 Maintenance 1 Replacing the contact point Fit the supplied key spanner in the keyway of the spindle then detach or attach the contact point by pinching it with a wrench etc IMPORTANT If torque is applied to the sensor inside through the spindle Key Way oo damage or malfunction in the sensor may result Be sure to SES fix the spindle using the key spanner Key spanner 2 Replacing the rubber boot Preventive replacement before being damaged is recommendable The
13. will change abruptly Absolutely do not apply an electric engraver to the gage The high voltage may damage electronic parts Also do not use the gage at sites where it is subject to large electric noises Do not exert load on the spindle in the perpendicular direction and do not twist the spindle Do not clamp the stem too tightly since the spindle will not move smoothly Do not apply excessive tension to the cable or do not bend it forcibly To perform stable measurement allow at least 10 minutes after turning on the power Do not set up the origin point at either end of the stroke f the gage is used in combination with other instruments the maximum performance could not be obtained depending on environmental and operating conditions Take those conditions into consideration prior to use The functions and performance will not be guaranteed if the gage is used in other conditions than those specified Tale sufficient damage preventive processing safety measures should this gage have been at fault A contact point could hurt a workpiece depending on the workpiece material measuring force impact when the contact point comes in contact with the workpiece etc Check that there is no problem of hurts on a workpiece during measurement or accuracy variation depending on the measuring force etc in advance of use Electromagnetic Compatibility EMC This product complies with the EMC Directive Note that in enviro
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