universal thread grinding machine

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Product Details

the machine is used to grind threads both internally and externally.

CNC Universal Thread Grinding Machine SK7520

Specifications:

Specifications								Model	SK7520
								type	Φ200x750
Max. diameter of workpiece							external	mm	Φ200
							internal	mm	Φ160
Center distance								mm	750
Center height								mm	120
Thread diameter ground			External			Single-rib wheel		mm	Φ2~Φ200
						Multi-rib wheel		mm	Φ4~Φ200
			Internal					mm	Φ25~Φ125
Max. thread length ground			External			Single-rib wheel		mm	500
			Internal					mm	75
Pitch ground	External	V-typed thread				Single-rib wheel		mm	0.25-24
		British						Teeth/inch	3-28
		Metric						mm	2-24
		Module						mm	0.3-20∏
	Internal	V-typed thread						mm	0.5-6
Max.helix angle of thread ground						External			±30°
						Internal			±6°
Number of starts									1-99 (free)
Rapid movement of table								mm/min	3000
Rapid movement of wheel stock								mm/min	3000
Feed movement of dresser								mm/min	3000
Work spindle rotation						In grinding		r/min	0-70
Max. longitudinal traverse of table								mm	510
Rapid approach & withdrawal of wheel stock								mm	50
Vertical traverse of dresser								mm	50
Wheel spindle rotation					External			r/min	1670,2145
					Internal			r/min	5740,8100,14400,18400
Wheel size					For external(O.D.)			mm	Φ300-400
					For external(width)			mm	10,20
					For internal(O.D.)			mm	Φ20-100
					For internal(width)			mm	6
Machine size (LxWxH)								mm	2500x1800x1800
Machine weight								kg	5800
Pitch accuracy				single				micro	±3
				25mm				micro	±5
				100mm				micro	±6
				300mm				micro	±9
				Total length				micro	±10

Shaanxi Hanjiang Machine Tool Co., Ltd.: Contact nameanna Ho
Chat Now; Phone86-916-2298015; AddressHedongdian Town

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