Manual Surface Grinder

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Features
1. The good-looking manual surface grinder is much favored by customers in virtue of reasonable structure, good stiffness, elegant profile and easy operation.
2. Both the transverse and longitudinal movement of the working table is mechanically or manually driven.
3. It is usable for grinding the workpieces with various flat surfaces or complicated surfaces by utilizing the abrasion wheel. It is especially suitable for the abrasive machining that does not need mechanical feed.
4. The permanent magnetic chuck or the electric magnetic chuck can be configured based on specific requirements.
5. The exported manual surface grinder is packaged with the plywood case.

Technical Parameters

Item		Unit	G68	OG68	G82	OG82	G102	OG102
Longitudinal movement of working table		mm	500	500	530	530	560	560
Transverse movement of working table		mm	190	190	220	220	260	260
Distance from working table surface to spindle center		mm	335	335	450	450	490	490
Slideway		/	Ball bearing V flat rail	Ball bearing V flat rail	Double V rail	Double V rail	Double V rail	/
Maximum loading capacity of working table		kg	200	200	200	200	250	200
Working surface size (length × width)		mm	460×180	460×180	480×200	480×200	540×250	550×260
T-type groove of working table		mm × n	14×1	14×1	14×1	14×1	14×1	14×1
Speed of working table		m/min.	3-23	3-23	3-23	3-23	3-23	50－500/1-20
Feed rate of front and back hand wheels		mm	0.02/cell 2.5/circle	0.02/cell 2.5/circle	0.02/cell 2.5/circle	0.02/cell 2.5/circle	0.02/cell 2.5/circle	0.02/cell 2.5/circle
Feed rate of upper and lower hand wheels		mm	0.01/cell 1.25/circle	0.01/cell 1.25/circle	0.01/cell 1.25/circle	0.01/cell 1.25/circle	0.01/cell 1.25/circle	/
Abrasive wheel size (external diameter × width × internal diameter)		mm	180×13×31.75	180×13×31.75	200×20×31.75	200×20×31.75	200×20×31.75	200×16×31.75
Spindle speed	50Hz	rpm	2850	2850	2850	2850	2850	2850
Spindle speed	Frequency modulation motor	rpm	0-6000	30-6000	0-6000	30-6000	0-6000	30-6000
Total motor power		KW	1.14	1.14	1.14	1.29	1.1	1.69
Motor power of grinding head		KW	1.1	1.1	1.1	1.1		1.5
Cooling pump		KW	0.4	0.4	0.4	0.4	0.4	/
Minimum readout value of digital readout system		mm	/	0.001-0.005	Without digital readout	0.001-0.005	0.001-0.005	0.001-0.005
Overall dimension (length × width × height)		mm	1550×1150×1590	1550×1150×1590	1680×1140×1760	1680×1140×1760	1680×1220×1720	1680×1220×1720
Packing case dimension (length × width × height)		mm	1000×1150×1760	1000×1150×1760	1140×1250×1940	1140×1250×1940	1120×1400×1940	1200×1400×1940
Gross/net weight		T	0.75, 0.65	0.79, 0.69	0.80, 0.70	0.85, 0.75	0.85, 0.90	0.95, 0.85
Parallelism degree of finished surface and base level		mm	/	/	300:0.005	300:0.005	/	300:0.005
Surface roughness		μm	/	/	Ra0.32	Ra0.32	/	Ra0.63
Maximum dimension of ground workpiece (length × width × height)		mm	/	/	/	/	/	540×250×290
Automatic feed from front to back (stepless)		mm	/	/	/	/	/	0.5-20
Fast feed from front to back		r/min.	/	/	/	/	/	144

Item and unit				G74
Working table	Working surface size (length × width)		mm	1000×400
	Maximum longitudinal stroke		mm	1100
	Maximum grinding size (length × width × height)		mm	1000×400×400
	T-type groove number × width			3 ×18
	Speed (stepless)		m/min.	3-25
	Maximum loading capacity		kg	600
Grinding head	Distance from grinding wheel spindle to working table surface		mm	575
	Maximum stroke	Transverse (manual and hydraulic)		440
		Longitudinal (manual)		400
	Rotation speed		rpm	1440
	Dimension (external diameter × width × internal diameter)		mm	Φ350×40×Φ127
	Hand wheel dial value for vertical feed		mm	0.01
	Feed of hand wheel per rotation		mm	1
Total motor power			KW	8.99
Motor of grinding head	Power		KW	5.5
	Speed		r/min.	1440
Quick lifting motor	Power		KW	0.37
	Speed		r/min.	1440
Oil pump motor	Power		KW	3
	Speed		r/min.	960
Cooling pump motor	Power		KW	0.125
	Speed		r/min.	2800
	Flow		L/min.	100
	Working pressure		MPa	2.5
Working accuracy	Parallelism degree of finished surface and base level		mm	300:0.005
	Surface roughness		μm	Ra0.63
Weight	Net weight		kg	3500
	Gross weight		kg	3800
Overall dimension (length × width × height)			mm	3150×1673×2045

Related Names
Hand Operated Metal Surface Grinder | Flat Surface Grinder | Metal Milling Machine Tool

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