3 ISO 茨
HP http://mmc.me.kyoto-u.ac.jp/ibaraki/ ibaraki@prec.kyoto-u.ac.jp 3 ISO ISO TC39/SC2 2
1. 2. 3. 5ISO 4. 5 5. 3 6. 3
ISO TC39/SC2 4
5
Precision Measurement and Manufacturing Laboratory, Kyoto University 6
7
Precision Measurement and Manufacturing Laboratory, Kyoto University ISO 230-2: 2006 ISO 10791-1: 1998 ISO 10791-1: 1998 ISO 10791-1: 1998 ISO 230-4: 2005 ISO 230-2: 2006 ISO 230-7: 2007 ISO 230-3: 2007 ISO 230-1:2012 8
Y X Spindle of the machine Displacement sensor Traveling path of the machine Z ISO 230-1:2012 Y X Square edge Table of the machine 9
Precision Measurement and Manufacturing Laboratory, Kyoto University 10
(1) Precision Measurement and Manufacturing Laboratory, Kyoto University 8 7 6 Y-300 Y-750 Y-1200 1 5 2 4 +Y ISO 10791-6 3 YX +B 3 +Z +C +X Y-1200 Y-750 Y-300 X 11
X X Precision Measurement and Manufacturing Laboratory, Kyoto University +Y 8 7 6 5 4 +Y +B 3 +Z +C +X Y-300 Y-750 +X Y-300 Y-750 Y-1200 1 2 ISO 10791-6 Y-1200 X X X 12
Y, Z X Measured X-axis linear positioning error measured at various Y and Z positions Measured Y and Z positions 13
(x,y,z) From: Okuma 14
3 Z (x,y,z) Y X Problem: position measurement in 3D workspace 15
MC command position μ Precision Measurement and Manufacturing Laboratory, Kyoto University X Y Z Error scale: 20um actual position Machine configuration 16
MC Precision Measurement and Manufacturing Laboratory, Kyoto University command position actual position μ Z X Y Error scale: 20um Machine configuration Measured volumetric errors Measured volumetric errors 17
3 Precision Measurement and Manufacturing Laboratory, Kyoto University 3DFaro Faro HP igps HP 18
ISO ISO 230-1: 2012 Test code for machine tools - Part 1: Geometric accuracy of machines operatingunder no-load or finishing. conditions 2012 ISO/TR 16907: 2015 Numerical compensation of geometric errors of machine tools (Technical Report) 2015 19
Precision Measurement and Manufacturing Laboratory, Kyoto University 3 CNC Siemens, Heidenhain, CNC Siemens Fanuc YKT (2010 4 20
21
5 DMG 22
From: Renishaw C 23
C=0 C=90 C C 24
5 C Z Y X C Z Y X C (X, Y) C C X C Y B C B C B 25
5 A C 26
5 27
5 Precision Measurement and Manufacturing Laboratory, Kyoto University? 28
ISO 29
ISO 10791-6 2006 2007 2008 2009 2010 2011 2012 2013 ISO/TC39/SC2 Precision Measurement and Manufacturing Laboratory, Kyoto University WD (Working draft) CD (committee draft) 1 CD (committee draft) 2 DIS (draft international standard) 2014 FDIS (Final DIS) IS (International standard
ISO ISO 1. NWIP=New Work Item Proposal 2. WD=Working Draft 3. CD=Committee Draft 4. DIS=Draft International Standard 5. FDIS=Final DIS 6. (IS=International Standard) NP 36 31
New ISO standards related to accuracy tests for 5-axis machine tools Standard Title ISO 10791-1 2015 ISO 10791-6 2014 ISO 10791-7 2014 ISO 16907 2015 ISO 230-1 2012 ISO/DIS 17543-1 ISO/DIS 230-7 ISO 13041-5 2015 Test conditions for machining centres -- Part 1: Geometric tests for machines with horizontal spindle and with accessory heads (horizontal Z-axis). Test conditions for machining centres -- Part 6: Accuracy of speeds and interpolations. Test conditions for machining centres -- Part 7: Accuracy of a finished test piece. Numerical compensation of geometric errors of machine tools. Test code for machine tools -- Part 1: Geometric accuracy of machines operating under no-load or quasi-static conditions Machines tools -- Test conditions for accessory spindle heads -- Part 1: Horizontal spindle machines Test code for machine tools -- Part 7: Geometric accuracy of axes of rotation Test conditions for numerically controlled turning machines and turning centres Part 5: Accuracy of speeds and interpolations 5 5 Static tests for accessory spindle heads 32
ISO 10791-6 Precision Measurement and Manufacturing Laboratory, Kyoto University From: Prof. M. Tsustumi 33
Example test result Precision Measurement and Manufacturing Laboratory, Kyoto University C Z Y A X C y mm 150 100 50 0 180 1μm/div 90 reference measured 1:CCW measured 2:CW simulated 0-50 Fig. Axial ball bar test under squareness of C- to X-axis -100 270-150 -150-100 -50 0 50 100 150 x mm 34
ISO 10791-7 Precision Measurement and Manufacturing Laboratory, Kyoto University (NAS 979, ISO/FDIS 10791-7:2014) From: Prof. M. Tsustumi 35
4 36
ISO 験 専 37
5 38
C Precision Measurement and Manufacturing Laboratory, Kyoto University Z Y C X B=C=0 C C=90 XY 2 C=180, 270 C B=-90 C=0, 90, 180, 270 4 B=90 C=0, 90, 180, 270 4 39
Precision Measurement and Manufacturing Laboratory, Kyoto University Test piece geometry and measured points 40
At B=0 At B=-90 41
Precision Measurement and Manufacturing Laboratory, Kyoto University FKD CMM 42
XZ Precision Measurement and Manufacturing Laboratory, Kyoto University 43
Precision Measurement and Manufacturing Laboratory, Kyoto University 4 XY C C 4 XorY C X, Y C C Z Y X C Z Y X C (X, Y) C X C Y 44
Precision Measurement and Manufacturing Laboratory, Kyoto University C Z Y X C X C Y 45
Precision Measurement and Manufacturing Laboratory, Kyoto University View direction: 46
E X0B, E Y0B : C X, Y E Z0B :C Z P ositio n e rro r μ m 40 30 20 10 0-10 Workpiece1 Workpiece2 Workpiece3 E X0B E Y0C E Z0B E X(0B)C Linear location errors of B- and C-axes O rie n ta tio n e rro r ra d 5 x 10-5 4 3 2-1 01-2 -3 Workpiece1 Workpiece2 Workpiece3 E A0B E B0B E C0B E A(0B)C Angular location errors of B- and C-axes
5 3 48
3 Z (x,y,z) Y X Problem: position measurement in 3D workspace 49
Target (cat s eye retrorelector) Laser beam Example tracking interferometer: Etalon s LaserTRACER Tracking interferometer 50
Precision Measurement and Manufacturing Laboratory, Kyoto University Quad-detector Rectroreflector Laser beam When tracking is not ready When laser beam direction is regulated to track retroreflector Typical tracking mechanism in conventional tracking interferometers 51
Precision Measurement and Manufacturing Laboratory, Kyoto University 3 3 Machine spindle Retroreflector (cats eye) Z L 3 L 2 L 1 Y Tracking interferometers X Trilateration (multilateration) principle 52
μ Command position Precision Measurement and Manufacturing Laboratory, Kyoto University Z mm 120 100 80 60 40 20 0-20 120 100 80 60 40 20 Y mm 0-20 Error scale: 20 um Measured target position 100120 60 80 20 40-20 0 X mm Estimated target positions by our laser tracker 53 Developed by Yano et al. (AIST) 53
Etalon LaserTRACER 54
MC Precision Measurement and Manufacturing Laboratory, Kyoto University command position actual position μ Z X Y Error scale: 20um Machine configuration Measured volumetric errors Measured volumetric errors 55
X Precision Measurement and Manufacturing Laboratory, Kyoto University X 56
ISO 230-3 Lion Precision 57
58
6,000 min-1 1 5 12,000 min-1 1 18,000 min-1 1 : : 59
1 4 3 2 1 1 10 60
YZ Error map, scale: 1μm/mm Z [mm] Error 0 scale: 50 μm -50-100 -150-200 -250-300 -350 YZ Z Command position Red: Cold Green: 6,000 min -1 Blue: 12,000 min -1 Magenda:18,000 min -1 Error scale: 50 um Y -500-400 -300-200 -100 0 Y [mm] : 61
62
R-test 63
R-test 300 200 Z mm 100 0 command sphere position -100 A-axis Error Scale: 20 um 200 100 Y mm 0-100 -200-200 0 X mm 200 64
Precision Measurement and Manufacturing Laboratory, Kyoto University
66
5 67
3 3 5 3 ISO 68