High Precision Programmed Control System Travelling Column Surface Grinder (mm7140G Series)

• Type: Surface Grinding Machine
• Processing Object: Curve
• Abrasives: Grinding Wheel
• Controlling Mode: CNC or PLC Control
• Automatic Grade: Automatic
• Cylindrical Grinder Type: End Cylindrical Grinder
• Model NO.: MM7140G Series
• Precision: High Precision
• Certification: GS, CE, RoHS, ISO 9001
• Condition: New
• Transport Package: Plywood Package
• Specification: Body made by HT250
• Trademark: J&W or OEM
• Origin: China Mainland
• HS Code: 8460121000
• Production Capacity: 300

Product Description

Main Specifications		Unit	MM7140G×12	MM7132G×12	MM7140G×16
Table	Table working surface (W×L)	mm	400×1250	320×1600	400×1600
	Max. size of workpiece to be ground (W×L×H)	mm	400×1250×400	320×1600×400	400×1600×400
	Table Longitudinal travel (Hydraulic)	mm	300-1350	300-1700	300-1700
	Speed of table (Stepless)	m/min	3-25	3-25	3-25
	Table "T" slots Width	mm	3  18	3  18	3  18
	Max.allowable weight of workpiece (Including electromagnetic chuck)	kg	514	530	660
	Electromagnetic chuck size (W×L)	mm	400×1250	320×1600	400×1600
Grinding wheel head	Distance from grinding wheel spindle-axis to table surface	mm	175-575	175-575	175-575
	Max.travel of table or saddle	mm	450	370	450
	Automatic cross-feed of saddle (Stepless) Continuous Intermittent	m/min  mm/m	0.02-2  0.1-15	0.02-2  0.1-15	0.02-2  0.1-15
	Cross feed handle graduated  Cross feed dial graduated to Micro-crossfeed dial graduated to	mm  mm  mm	5  0.02  0.005	5  0.02  0.005	5  0.02  0.005
	Down feed handle graduated to Cross feed dial graduated to  Micro-crossfeed dial graduated to	mm  mm  mm	0.5  0.005  0.002	0.5  0.005  0.002	0.5  0.005  0.002
	Grinding wheel size (O.D×W×I.D)	mm	φ350×40×φ127	φ350×40×φ127	φ350×40×φ127
	Wheel-head rapid up-down traverse speed	mm/min	720	720	720
Motor power	Grinding wheel motor power Speed	kW  r/min	5.5  1460	5.5  1460	5.5  1460
	Hydraulic Pump Flow	L/min	57	57	57
	Electrical equipment total capacity	KVA	12	1 6	16
work accuracy	Max. deviation between workpiece and table surface	mm	200-320:0.003	200-320:0.003	200-320:0.003
	Roughness of Workpiece	μm	Ra0.16	Ra0.16	Ra0.16
Base parameter	Overall dimensions (L×W×H)	mm	3300×2000×2300	4600×2000×2300	4600×2000×2300
	Packing case dimensions (L×W×H)	cm	369×215×257	485×225×257	485×225×257
	N.W	kg	4500	5300	5500