China CNC Ball Valve Grinding Machine Manufacturer, Spherical Grinding Machine

project	unit	KP7025
Sphere specification	in	2-6"
Sphere inner diameter	mm	DN25-150
Sphere outer diameter	mm	Ø30-200
Center height	mm	100
Top distance	mm	50-320
Tailstock stroke	mm	280
Workbench maximum load bearing	Kg	200
Grinding wheel motor power	Kw	4
Grinding wheel maximum speed	Rpm	2500
Headstock motor power	Kw	0.4
Head frame maximum speed	Rpm	50
X/Z axis travel	mm	200/250
Head and tail frame top		MT5
X/Z axis repeat positioning accuracy	mm	±0.005
Surface roughness	Ra	＜0.4
Spherical ovality	mm	＜0.02
Dimensions (length x width x height)	cm	220x181x184
weight	T	4

Machine model and grinding range
Project Name	unit	KP7025	KP7040	KP7060	KP7080	KP7120	KP7160	KP7180	KP7240
Sphere specification	in	2-6	4-10	8-16	10-20	18-32	20-42	30-48	40-64
Sphere inner diameter	mm	DN25-150	DN100-250	DN200-400	DN250-500	DN450-800	DN500-1050	DN750-1200	DN1000-1600
Sphere outer diameter	mm	SØ30-200	SØ150-400	SØ300-600	Ø400-800	Ø650-1200	Ø800-1600	Ø1100-1800	Ø1500-2400
Center height	mm	100	200	300	400	600	800	900	1200
Top distance	mm	50-320	150-400	300-600	400-800	650-1200	800-1600	900-1800	1500-2400
Tailstock stroke	mm	280	300	400	600	600	750	1100	1000
Workbench maximum load bearing	Kg	200	400	1000	2000	4000	10000	15000	25000
Grinding wheel motor power	Kw	4	7.5	11	15	22	30	30	37
Grinding wheel maximum speed	Rpm	2500	2000	1500	1200	1000	800	800	500
Headstock motor power	Kw	0.4	0.4	0.4	1.1	1.1	1.5	2.2	3.7
Head frame maximum speed	Rpm	50	30	20	15	12	8	8	5
X/Z axis travel	mm	200/250	250/250	250/250	400/400	450/450	500/500	550/550	500/500
Head and tail frame top		MT5	MT5	MT6	MT6	MT6	公制100	公制100	公制120
X/Z axis repeat positioning accuracy	mm	±0.005	±0.005	±0.005	±0.005	±0.005	±0.005	±0.005	±0.005
Surface roughness	Ra	＜0.4	＜0.4	＜0.4	＜0.4	＜0.4	＜0.4	＜0.4	＜0.4
Spherical ovality	mm	＜0.015	＜0.02	＜0.02	＜0.02	＜0.02	＜0.03	＜0.03	＜0.03
Dimensions (length x width x height)	cm	220x181x184	230x211x195	270x228x213	300x260x250	380x328x275	480x378x290	500x388x310	600x463x370
weight	T	4	5	8	15	23	30	35	40
Note: Due to continuous product upgrades, any changes are subject to change without prior notice, November 2022.

Machine model and grinding range