Wheel Width 250mm High Precision CNC Centerless Grinding Machine S250

Product Description

HCGM-S250 High Precision CNC/PLC Centerless Grinder 1. Salient features:
1.1 For Grinding wheel and Regulating wheel
1.1.1. The grinding wheel designed for cantilever type, while grinding bracket fixed.
1.1.2. The spindle of grinding wheel adopted muti-plate long bearing bushed static-hydrodynamical oil film bearing.
1.1.3. The frame of regulating wheel moves for adjustment and workpiece fixed in order to equipped different feed devices. The spindle designed for double bracing type, as well as double cylindrical roll bearings, which with better rigidity, and higher precise grinding.
1.1.4. The regulating wheel feed slide is equipped double "V" roller guideway and servomotor that drives ball screws.
1.2. For Lubrication
1.2.1. Lubrication thermostat equipped in grinding wheel spindle.
1.3. Electric
1.3.1. AC frequency converter is used for regulating wheel step-less speed control, as well as reverse towing prevent function.
1.4. Dressing
1.4.1.Gear motor drives the ball screw & double "V" roller guideway are adopted on grinding wheel dresser. 1.4.2. Gear motor driven the ball screw & double "V" roller guideway are adopted on regulating wheel, step-less speed.
1.5. Cooling system
1.5.1. The coolant system is equipped with magnetic coolant separator.
1.6. Control system
1.6.1. Touchable panel, automatic plunge-cut grinding, the load, speed, time and step adjustable
1.6.2. PLC and CNC control systems optional.
1.7. Machine body and design
1.7.1. The modularization design has good looking. Its configuration can be selected as client needs.
1.7.2. Iron casting with high rigidity, natural aging.


2.Main configuration

Parts Name	QTY	Unit	Supplier
Control System PLC	1	set	Mitsubishi
Servo Motor	1	set	Mitsubishi
Touch Panel	1	pc	Mitsubishi
Inverter of Regulating Wheel	1	pc	Mitsubishi(optional)
Grinding Wheel Motor	1	pc	Wuxi(optional)
Regulating Wheel Motor	1	pc	ABB(optional)
gear motor	1	pc	Panasonic(optional)
Low Voltage Device	1	set	Schneider
Oil Temp.Coolant	1	pc	Wuxi
Ball Screw	1		Nanjing Technical Equipment Manufacture Co., LTD

3.Technical Data

		3 Axes
In-feed Grinding	Dia.	2-60mm
	Length	240mm
Through grinding	Dia.	2-60mm
GW SPEC. (O.D.*width*I.D.)		500*200(250)*305mm
RW SPEC.(O.D.*width*I.D.)		350*200(250)*203mm
GW Speed		1338r/min
RW Speed (stepless)		10-200r/min
Swiveling Angle of RW	Vertical	-2°~ +5°
	Horizontal	-1°~ +3°
GW min feeding amount		0.001mm
GW dresser min feeding amount		0.001mm
Height from center line of GW & RW to work rest		200mm
Cooling water flow		50L/min
GW Motor		18.5kw
RW Motor		3kw
Power Supply		3N 50HZ 380V
Dimension(L*W*H)		2800*2500*1600mm
Machine Weight		About 0.6 tons
Accuracy (standard bars)	Roundness	0.001mm
	Cylindricity	0.0018mm
	Roughness	Ra.0.16μm

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