3KD - Large Through-Hole Power Chuck

High-speed dynamic operation is smooth, sturdy, and durable.
High repeatability and clamping force, suitable for automated production.

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Key Features:

Large Through-Hole: The primary characteristic is the significant bore diameter, allowing for the passage of long workpieces.
Three Jaws: These jaws provide a secure grip on the workpiece, ensuring accurate and stable machining.
Power Actuation: Hydraulic or pneumatic power is used to quickly and forcefully close the jaws onto the workpiece.
High Precision: The chucks are designed for precision machining, offering high repeatability and accuracy.
High Rigidity: They are built to withstand high cutting forces and vibrations, ensuring stability during machining.

3KD - Large Through-Hole Power Chuck size

Dimensional parameters

Model	Spec.	A	B		C (H6)	D	D1	D2	E	E1	F	G				H	J
Model	Spec.	A	B		C (H6)	D	D1	D2	E	E1	F	max		min		H	J
3KD-06	A5	170	81	91	140	104.8	82.56	116	5	15	53	11	26	-1	14	19	20
3KD-08	A6	210	91	103	170	133.4	106.38	150		17	66	14.5	31.5	-1.5	15.5	20	30
3KD-10	A8	260	100	113	220	171.4	139.72	190		18	86	8.5	26.5	-10.5	7.5	25	45
3KD-12	A11	315	110	126	300	235	196.87	260	6	22	106	8	30	-15	7	28	50

Model	Spec.	L1		l2	M1	M2	M3	N	P	R		S	T
Model	Spec.	L1		l2	M1	M2	M3	N	P	max	min	S	T
3KD-06	A5	16	16	37	M60X2	6-M10	3-M6	73	20	22.8	9.3	31	12
3KD-08	A6	20	18	38	M75X2	6-M12	3-M6	95	25	23.8	11.3	35	14
3KD-10	A8	22	24	43	M95X2	6-M16	3-M8	110	30	32.3	14.3	40	16
3KD-12	A11	30	28	51	M130X2	6-M20	3-M10	130	30	45.8	15.8	50	21

Performance parameters

Model	Spec.	Wedge Heart Stroke (mm)	Jaw Stroke Diameter (mm)	Maximum Allowable Push-Pull Force (KN)	Maximum Clamping Force (KN)	Maximum Rotational Speed (r/min)	Clamping Range (mm)	Inertia (Kg·M²)	Weight (Kg)		Recommended Cylinder	Maximum Operating Pressure (MPa)
3KD-06	A5	12	5.5	22 (2250)	58.3 (5950)	6000	18-170	0.06	11	12.8	KY-536T	1.9 (19)
3KD-08	A6	16	7.4	39.4 (4020)	98.5 (10050)	5000	23-210	0.15	23	24.1	KY-646T	2.2 (22)
3KD-10	A8	19	8.8	49.1 (5010)	126.9 (12950)	4500	46-260	0.32	33.2	38.7	KY-852T	2.6 (26)
3KD-12	A11	23	10.6	58.8 (6000)	152.9 (15600)	3500	47-315	0.73	51	58	KY-1075T	2.0 (20)