818~2040 PD
___________________________________________________________________________
5-17
5.7.3 SURFACE GRINDING PROBLEM ANALYSIS
Surface grinding defects and causes are shown on below table:
Surface grinding defects and causes
DEFECT CONDITIONS
CAUSES
Burning or
grid pattern
Workpiece
poor finish
Chattering
mark
Scratch
Grinding
wheel
smooth
Grinding
wheel
clogged
Workpiece
not parallel
Workpiece
not parallel
Workpiece
slip on chuck
‧
Machine operation
Coolant dirted
╳
╳
Insufficient coolant amount
╳
╳
╳
Incorrect coolant
╳
╳
Chuck is dirted or has burrs
╳
╳
╳
Insufficient holding force
╳
Poor holding
╳
╳
╳
Workpiece slip on chuck
╳
Diamond is dulled
╳
Grinding wheel is dressed too
fine
╳
╳
╳
╳
╳
Too long grinding travel
╳
Guard is loosened
╳
‧
Grinding wheel
Grains are too fine
╳
╳
╳
Grinding wheel structure is
too tight
╳
╳
Bonding is too hard
╳
╳
╳
╳
╳
╳
Bonding is too soft
╳
╳
‧
Machine setup
Incorrect chuck position
╳
Diamond is loosened or
broken
╳
╳
╳
No magnetic force on chuck
╳
vibration
╳
‧
Workpiece condition
Heat treatment stress
╳
Too thin
╳
Содержание Supra 2040PD
Страница 55: ...ACER HIGH PRECISION SURFACE GRINDER CONTROL SYSTEM OPERATION MANUAL MODEL Supra 818PD Supra 2040 PD ...
Страница 57: ...818 2040PD 3 CHAP 1 CONTROL PANEL OPERATION 1 1 LAYOUT OF CONTROL PANEL ...
Страница 58: ...818 2040PD 4 1 2 MAIN DISPLAY AND BUTTON NUMBERS ON CONTROL PANEL ...
Страница 59: ...818 2040PD 5 1 3 GRINDING SETTING DISPLAY AND BUTTON NUMBERS ...
Страница 75: ...818 2040PD 21 3 5 SCREEN CONTRAST BRIGHTNESS WINDOW ...
Страница 82: ...818 2040PD 28 4 5 SYSTEM PARAMETER Enter from 4 5 1 OPERATOR ...
Страница 83: ...818 2040PD 29 SYSTEM MAINTENANCE PERSONNEL ...
Страница 84: ...818 2040PD 30 4 5 2 SETTING PASSWORD TABLE ...
Страница 85: ...818 2040PD 31 4 5 3 SYSTEM DATE TIME ...
Страница 86: ...818 2040PD 32 4 5 4 ADJUSTING CONTRAST BRIGHTNESS ...
Страница 91: ...818 2040PD 37 5 2 10 SYSTEM DATA SETTING KEEP SET SYSTEM DISPLAY ...
Страница 99: ...818 PD __________________________________________________________________________ SPINDLE PL 01 ...
Страница 102: ...818 PD __________________________________________________________________________________________ COLUMN PL 02 ...
Страница 117: ...818 PD _________________________________________________________________________________________ BASE 818PD PL 08A ...
Страница 178: ...1020 PD 1224 PD LUBRICATION SYSTEM 258 PL 16 ...
Страница 180: ...1020 PD 1224 PD PL 16 2 NO PART NO DESCRIPTION Q TY SPEC 9 ALUMINIUM TUBING 1 ψ4 10 ALUMINIUM TUBING 1 ψ4 ...
Страница 183: ...14 16 PD SPINDLE PL 01 ...
Страница 185: ...14 16 PD COLUMN 3821 3821H 14SERIES 4821 4821H 16SERIES PL 02 ...
Страница 187: ...14 16 TD WHEEL GUARD WHEEL FLANGE PL 04 ...
Страница 208: ...14 16PD LONGITUDINAL HYDRAULIC SYSTEM PL 10 ...
Страница 215: ...14 16 PD __________________________________________________________________________ HYDRAULIC SYSTEM 366 PL 12 ...
Страница 222: ...14 16 PD LUBRICATION SYSTEM 368 PL 15 ...
Страница 224: ...14 16 PD NO PART NO DESCRIPTION Q TY SPEC 10 ALUMINIUM TUBING 1 ψ4 11 ALUMINIUM TUBING 1 ψ4 PL 15 PL 15 2 ...
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