TF4BA Series

4-Jaw High Speed Wedge Type Through-Hole Power Chuck
(With Adaptor)

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Specification

-Standard JIS chuck for CNC lathe.
-Suitable for all kinds of turning machining.

Spec. \ Model	TF4B-6A5	TF4B-8A5	TF4B-8A6	TF4B-10A6	TF4B-10A8	TF4B-12A8	TF4B-15A8	TF4B-15A11
Jaw Stroke (Dia.) (mm)	5.5	7.4	7.4	8.8	8.8	10.6	10.6	10.6
Plunger Stroke (mm)	12	16	16	19	19	23	23	23
Max. Clamping Dia. (mm)	165	210	210	210	210	304	381	381
Min. Clamping Dia. (mm)	10	12	12	16	16	38	40	40
Max. Rotation Speed (r.p.m.)	4500	3600	3600	3200	3200	2700	1900	1900
Max. Draw Bar Pull Force (kgf)	1450	2250	2250	2850	2850	3667	4793	4793
Max. Clamping Force (kgf)	3800	5600	5600	7400	7400	9600	12236	12236
Moment of Inertia (kg⋅m²)	0.056	0.172	0.165	0.356	0.308	0.7	2.41	2.38
Weight (KG)	14	24.2	23.5	37.8	36.8	58.7	130	125
Matching Hydraulic Cylinder	RC-6	RC-8	RC-8	RC-10	RC-10	RC-12	RC-15	RC-15
Max. Pressure of Hydraulic Cylinder (kgf/cm²)	19	17.5	17.5	18.5	18.5	18.5	15.3	15.3

Dimensions

Dim \ Model	TF4B-6A5	TF4B-8A5	TF4B-8A6	TF4B-10A6	TF4B-10A8	TF4B-12A8	TF4B-15A8	TF4B-15A11
A	169	210	210	254	254	304	381	381
B	91	109	103	120	113	122	160	149
G	116	133.35	150	171.45	190	190	235	260
D	20	25	25	30	30	30	43	43
E	15	23	17	25	18	18	33	22
F	82.563	82.563	106.375	106.375	139.719	139.719	139.719	196.869
C H6	140	170	170	220	220	220	300	300
H	104.78	104.78	133.35	133.35	171.45	171.45	171.45	235
J	16	13	18	18	24	25	24	28
K	4xM10	4xM12	4xM12	4xM16	4xM16	4xM16	4xM20	4xM20
L	45	52	52	75	75	91	117.5	117.5
M	5	5	5	5	5	6	6	6
P Max.	26	37.5	31.5	33.5	26.5	26	40	34
P Min.	14	22.5	15.5	14.5	7.5	3	17	11
R	12	14	14	16	16	21	24	24
S	19	20.5	20.5	25	25	28	39	39
T	32	37	37	42	42	52	62	62
U Max	M55x2.0	M60x2.0	M60x2.0	M85x2.0	M85x2.0	M100x2.0	M130x2.0	M130x2.0
V	4xM6	4xM6	4xM6	6xM12	4xM8	4xM8	4xM10	4xM10
W	60	66	66	94	94	108	139	139
X	16	16	16	16	16	20	20	20
Y	36	45	45	60	60	60	80	80
A1	65	80	80	102	102	100	150	150
M1	M8	M8	M8	M10	M10	M10	M12	M12
t	5	5	5	5	5	5	5	5
Ref. Fig.	Fig.1	Fig.2	Fig.1	Fig.2	Fig.1	Fig.1	Fig.2	Fig.1

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