High Precision CNC Centerless Grinding Machine for Bearings, Shafts and Pistons

Product Description

HCGM-L600 High Precision CNC/PLC Wide-wheel Centerless Grinder
1.Salient features:

1.1. Grinding configuration & regulating area.
1.1.1. Grinding wheel frame and regulating wheel frame double moving.
1.1.2. Iron casting, natural aging, high rigidity, minimum deformation.
1.1.3. The diameter and wideth of grinding wheel is 600mm, with strong grinding force, can increase the grinding allowance in a single pass, and decrease repeating, to raise efficiency.
1.1.4. Grinding wheel inverter constant linear velocity guarantee reliable grinding.
1.1.5. Spindles of grinding wheel & regulating wheel adopt five-plate short bearing bushed static-hydrodynamical oil film bearing, which with better rigidity,and meet the need of heavy loading grinding and precise grinding. Grinding wheel & regulating wheel double supporting.
1.2. Feeding & dressing
1.2.1. Grinding wheel frame feeding guide is flat V type paste to mould rail, servo motor drives ball screw, minum feeding amount is 0.001mm.
1.2.2. Regulating wheel feeding guide is flat V type paste to mould rail, servo motor drives ball screw, minum feeding amount is 0.001mm.
1.2.3. Grinding & regulating wheel dresser reciprocate adopts linear guide, gear motor, step-less speed adjustiing.
1.2.4. Grinding wheel dresser feeding adopts double V roller guide, servo motor drives ball screw. Regulating wheel dresser feeding adopts double V roller guide, gear motor step-less speed adjusting.
1.3. Electric
1.3.1. Regulating wheel adopts inverter step-less speed adjusting, avoiding motor reverse.
1.3.2. Operation system adopts Siemens 808D three axes CNC system with automatic infeed grinding system, feeding amount, speed, time and step adjustable.
1.4. Lubrication
1.4.1. Separate lubrication oil tank for grinding wheel spindle and regulating wheel spindle with constant temperature.
1.5. Cooling
1.5.1. Cooling system adopts magnetic separator.
1.7. Configuration
1.7.1. Modularization design, scientific and good looking appreance, optional if necessary.
2. Main application:
The grinder is mainly used for through-feed grinding of cylindrical surface of ring-type parts and bearings, which diameter of 10-250mm. 3. Main configuration:

Part name	Spec.	QTY.	Unit	Supplier
Control system CNC	808D	1	set	Siemens
Servo motor		3	set	Siemens
Regulating wheel inverter		2	PC	Shenzhen Inovance Technology
Grinding wheel motor	45KW	1	PC	Wannan Electric
Regulating wheel motor	7.5KW	1	PC	Wannan Electric
low voltage device		1	set	Schneider
Proximity switch		1	set	AUTONICS
Oil temperature cooler		1	SET	Wuxi kangdi
Electric cooling machine		1	SET	Wuxi kangdi
Ball screw		5	SET	Nanjing Technical Equipment
linear guide rail		2	SET	Nanjing Technical Equipment

4. Technical Data:

		4 Axes
In-feed Grinding	Dia.	10-300mm
	Length	590mm
Through grinding	Dia.	10-300mm
GW SPEC. (O.D.*width*I.D.)		600*600*305mm
RW SPEC.(O.D.*width*I.D.)		350*600*203mm
GW Speed		1100r/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		260mm
Cooling water flow		200L/min
GW Motor		45kw/55kw
RW Motor		5.5kw
Power Supply		3N 50HZ 380V
Dimension(L*W*H)		4400*4300*1700mm
Machine Weight		About 12 tons
Accuracy (standard bars)	Roundness	0.001mm
	Cylindricity	0.0018mm
	Roughness	Ra.0.16μm

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