
机床测头基础知识PPT优秀课件.ppt
16页apply innovationProbing Probing basicsbasicsMachine tool probing technology - how they work and how you can use them2021/5/251apply innovationProbing applicationsInspection on machining centresInspection on CNC lathesTool setting on machining centresTool setting on CNC lathes2021/5/252apply innovationKinematic resistive probe operation2021/5/253apply innovationKinematic resistive probe operationProbe with optical transmissionProbe with inductive transmission•Benefits of the Renishaw probe design–simple–rugged–highly repeatable–sealed to IP X8–can be used with different transmissions to suit your application2021/5/254apply innovationxy• standard routines define probe path• probe triggering latches onto machine position• data is stored in macro variable locations• data is retrieved for process automationHow an inspection probe works2021/5/255apply innovationHow a non-contact tool setter works•Beam-break system•laser beam passes between transmitter and receiver units•tool moved to intersect beam at any point along its length•electronics sense reduction in light at receiver and generate trigger•machine position is latched and used to determine tool dimensions2021/5/256apply innovationDesigned for the machine tool environment•MicroHoleTM protection system•laser beam emerges through small aperture•constant air stream also passes through the MicroHoleTM, preventing ingress of coolant, swarf, chips and dust•air flows at high speed: 150 to 250 m/s•air stream angled to avoid turbulence along laser beam•protection always on - even when measuringMicroHoleTM2021/5/257apply innovationDesigned for the machine tool environment•MicroHoleTM protection systemMicroHoleTM prevents coolant ingress•constant protection, even when tool settingProtection in action•through-tool coolant still active during breakage detection cycle2021/5/258apply innovationRenishaw probing software makes things simpleEasy to program or use in MDI mode•PROGRAMMED - with pre-written EIA Macros•SET WORK and TOOL OFFSETS - automatically•SET ROTARY AXIS - automatically•INSPECT - feature size, location and angle•PRINT RESULTS of inspection2021/5/259apply innovationComponent set-upExample program%G80 G90 G00 T01M06G54 X0 Y0G43 H1 Z100. 1.G65 P9014 X-10. Y-10. Z-5. F1000 Protected move 2.G65 P9012 X0.0 Y0.0 S1. Corner measure 3.G65 P9014 Z10.0 4.G65 P9014 X50. Y40. 5.G65 P9014 Z-5. 6.G65 P9019 D40.0 T10 M20 H0.2 Bore measure 7.G65 P9014 Z20.0 8.G65 P9014 Y90. 9.G65 P9018 Z5.0 S2. Z measure 10.G65 P9014 Z50.0 G28 Z100. M30•Inspection routines•call the macro•specify parameters•highlight offsets to be updated2021/5/2510apply innovationComponent set-upManual data inputExample...•To set G54 to the surface X position…•use the jog wheels to position the probe within 10 mm of the surface•key in G65 P9023 X10. S54. •press Cycle start•that’s it - the cycle runs and the offset is updated•EasyProbe routines•set your parts in seconds•flexible - MDI or programmed2021/5/2511apply innovationOn-machine inspectionInspection reportsExample G65 P9834 X45. Y-65. W2. Feature to feature G65 P9810 X-135. Y-65. F3000. G65 P9814 D71. W1. Bore measurePrinted output...COMPONENT NO 31FEATURE NO 1 POSNR79.0569ACTUAL79.0012TOL TP0.2000DEV0.0557POSNX -45.000ACTUAL-45.1525TOL TP0.2000DEV-0.1525POSNY -65.000ACTUAL-64.8263TOL TP0.2000DEV0.1737+++++OUT OF POS+++++ERROR TP 0.1311 RADIALANG-124.6952ACTUAL-124.8578DEV-0.1626COMPONENT NO 31FEATURE NO 2 SIZED71.0000ACTUAL71.9072TOL0.1000DEV0.9072+++++OUT OF TOL+++++ERROR 0.8072POSNX -135.000 ACTUAL-135.3279DEV-0.3279POSN Y -65.000ACTUAL-63.8201DEV1.1799•Inspection Plus routines•output probe data through the RS232 port to a printer2021/5/2512apply innovationTool setting on machining centresNon-contact tool setting routinesExamples...•To set the length of a tool…•move the tool over the beam (at any point along its length)•execute G65 P9862•the active tool offset will be updated•To check for a broken tool•move tool to safe, clear position•execute G65 P9864•tool positioned in Z and then ‘swiped’ through the beam•short tools will trigger an alarm•Fast, simple cycles•tool setting, broken tool detection and tool profile inspection2021/5/2513apply innovationTool setting on lathesNon-contact tool setting routinesAUTO MODE % G28 U0 W0 G98 T0101 T0202 G125 T2. H7. T0303 G125 T3. H8. T0313 G125 T3. H7. C20 T0404 G125 T4. H4. T0505 G125 T5. H2. T0606 G125 T6. H1. M30•Tool setting and broken tool detection•set a whole turret of tools in minutes•programmed checks for tool breakage in-cycle2021/5/2514apply innovationSummary•Renishaw manufacturing technology helps you to:–eliminate WASTE by:•automating non value-added tasks•buying parts off your machines•establishing machine performance before your start to cut metal–reduce VARIATION by:•providing repeatable, automated feedback of process parameters•monitoring tools and controlling part dimensions in cycle–buy parts off your machines by:•quantifying, diagnosing and improving machine performance•linking machine tool probing to traceable measurement standardsProbing and calibration add profit to your bottom-line!2021/5/2515apply innovationapply innovation2021/5/2516。












