this device is used to clamp welding head (gun) on welding manipulator,and easy to adjust gun position ,

KH series 3-jaw self-centring chucks // tight via Hand
SIZE(D)	D1	D2	D3	D4	H	H1	H2	L	z-d1	z-d	allowable clampingforce	load capacity	positive JAW
200	80	100	120	200	69	39	21	200	6-M6	3-M8*35	200kg	30kg	Φ20-130mm
300	100	120	150	300	69	39	21	240	6-M6	3-M8*30	250kg	120kg	Φ80-190mm
400	170	220	250	400	95	45	25	300	6-M6	3-M10*40	350kg	240kg	Φ120-250mm
500	240	240	320	500	110	60	25	350	6-M6	3-M12*55	800kg	600kg	Φ200-340mm
600	360	400	425	600	170	105	40	400	6-M12	3-M12*110	1200kg	1000kg	Φ300-450mm
750	515	542.5	570	750	170	105	40	450	6-M12	3-M12*110	1500kg	1000kg	Φ350-590mm

welding POSITIONER