UNIVERSAL GRINDING MACHINES SERIES:

HIGH PRECISION UNIVERSAL GRINDING MACHINES SERIES:

ptmm1432

SPECIFICATION

MODEL

 PTMM1432 ¡Á1000 PTMMG1432 ¡Á1000 PTMM1432 ¡Á1500 PTMMG1432 ¡Á1500
Center height (mm) 165 165
Max. workpiece diameter for external ¦µ320 (mm) ¦µ320 (mm)
Max. grinding length (mm) 1000 1500
External grinding range ¦µ10~¦µ320(mm) ¦µ10~¦µ320(mm)
Internal grinding range (mm) ¦µ16~¦µ125(mm) ¦µ16~¦µ125(mm)
Grinding wheel Dimensions (outer dianeter ¡Á width¡Á bore) ¦µ500¡Á50-75¡Á¦µ203   /  ¦µ400¡Á50-75¡Á¦µ203   (mm)
Max. linear velocity 35 (m/sec) 35 (m/sec)
Swivelling angle of table Clockwise 3¡ã 3¡ã
Counter-clockwise 6¡ã 6¡ã
Taper hole of spindle (Morse) Workhead Morse 4# Morse 4#
Tailstocd Morse 4# Morse 4#
Total power (kw) 6.36 6.36
Net weight (kg) 3500 4000
Overall dimensions (cm) 380¡Á210¡Á210 478¡Á210¡Á210
¡¡ ¡¡ ¡¡

WORKING ACCURACY

NO

 Inspection character Test piece diagram and grinding condition Inspection item PTMM1432 ¡Á1000 PTMMG1432 ¡Á1000  PTMM1432 ¡Á1500 PTMMG1432 ¡Á1500
P1 The grinding accuracy of test piece between centers circularity (mm) 0.0025 0.002
Consistency of diametr in longitudinal section (mm) 0.008 0.005
roughness (¦Ìm) Ra¡Ü0.32     Ra¡Ü0.04
P2 The grinding accuracy of short test Piece on chuck circularity (mm) 0.0025 0.002
roughness (¦Ìm) Ra¡Ü0.32 Ra¡Ü0.02
P3 The accuracy of test internal grinding on chuck circularity (mm) 0.0025 0.002
Consistency of diametr in longitudinal section (mm) 0.010 -
roughness (¦Ìm) Ra¡Ü0.63 Ra¡Ü0.04