Universal External and Internal Grinder Ug Series

Product Description

Universal Grinder UG-500
* The worktable and wheelhead guideway adopt hydrostatic lubrication, its movement on low speed is smooth.
* Wheel head spindle is supported by hydrostatic and hydrodynamic bearings of high rigidity, it makes the spindle have high rotary accuracy and perfect rigidity.
* For UG-500, spindle of workhead adopts sliding bearing structure. the clearance of the front bearing can be adiusted to make it suitable for the grinding use center or chuck.
Technical Parameter

Specification	Unit	UG-500
Distance between centers	mm	1500/2000/3000/4000
Center height	mm	270
Dia. ground (O.D)	mm	25-500
Dia. ground (I.D)	mm	30-200
Grinding length (O.D)	mm	1500/2000/3000/4000
Grinding length (I.D)	mm	320
Loading capacity	kg	1000
Workhead swivel angle	°	90°
Workhead spindle taper	-	MT6
Workhead spindle speed	rpm	20-224 (stepless)
Wheelhead feed of handwheel per rev. (rough/fine)	mm/rev	4/0.5
Wheelhead feed of handwheel per gra. (rough/fine)	mm/gra	0.02/0.0025
External grinding wheel size	mm	500x75x305
Max. peripheral speed of grinding wheel	m/s	35
Internal grinding spindle speed	rpm	10000
Internal grinding wheel size	mm	175x32x32
Table feed of handwheel per rev.	mm	5
Table swivel angle (CW)	°	3°/2°/2°/1°
Table swivel angle (CCW)	°	6°/5°/3°/2°
Table longitudinal feed speed	m/min	0.1-3
Tailstock quill taper	-	MT6
Tailstock quill travel	mm	70
External grinding motor power	kw	5/7.5
Internal grinding motor power	kw	1.5
Workhead motor power	kw	4
Roundness	um	2.5/3/3/3
Cylindricity	um	8/8/8/12
Roughness	um	Ra0.32
Gross weight	tons	10/11/13/17
Packing size (LxWxH)	cm	543/583/796/996x225x210

Standard accessories:
Measuring bridge plate, Open steady rest, Wheel flange, Wheel extractor, Balancing arbor, Grinding wheel,
Coolant tank, Carbide tripped center, Driving dog, Wheel dresser (Without diamond pen), Work lamp,
Internal grinding attachment (UG), 3-jaw chuck (UG), Extension shaft (UG), Internal grinding wheel (UG),
Full set tools, Leveling wedge, Operation manual (English edition).
Optional accessories:
Balancing stand, Digital readout, Close steady rest, End wheel dresser, Radius wheel dresser,
Center grinding attachment (G), Magnetic separator,Paper filter.

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