Autogrip® CNC Machine Chucks and Workholding Solutions Supplier

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Pneumatic Power Chuck

Pneumatic Power Chuck | 3-JAW

pneumatic chuck for the lathe.

Rotary chuck with built-in apneumatic cylinder, compact design, suitable for light machining. compatible to standard soft jaw/hard jaw.

Can be installed on a rotary table for indexing machining.

Sealed against dust and cutting chips.

Matching surfaces of all parts hardened, ground, and lubricated directly.

Note: To overcome friction force between distubritor ring and chuck body, the rotating torque of the rotary table must be higher than the requirement shown in the table.

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Specifications

Model	Jaw stroke (Dia.)(mm)	Chucking Dia. Max.(mm)	Chucking Dia. Min.(mm)	Max. clamping force (Pneumatic at 6.0kgf/cm²) kN (kgf)	Max. pressure (kgf/cm²)	Max. speed (r.p.m.)	Max Rotation Reslstance Torque (Nm)	Air Consumption (at 6.0 kgf/cm²) lit (kgf/cm²)	Weight (kg)
RAP-306	5.5	170	25	21(2141.4)	7	72	40	3.1	16.2
RAP-308	6.8	215	37	34.2(3487.4)	7	60	60	3.1	30.6
RAP-310	7	254	53	48(4894.7)	7	53	85	4.2	42.4

Dimensions

Subject to technical changes.

Model	A	B	B1	C (H6)	D	E	F	G	H	J	K	L	L1	M	N	P	Q max.	Q min.	R max.	R min.	S	T	U	V	W
RAP-306	215	98	90	110	155	181	170	25	7	52	8	6~M8	11	36	73	20	10.75	6.25	47	44.25	31	12	19.5	14	3~M8
RAP-308	260	113	104	110	200	226	215	32	8	52	9	6~M8	16	37	95	25	13.25	8.75	57	53.6	35	14	19.5	14	3~M8
RAP-310	300	117	52	140	235	261	254	54	8	52	10	6~M8	14	42	110	30	23.25	12.75	64.5	61	40	16	19.5	14	3~M8

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