PTK72-A >>> Shenzhen Poly Top Industry Development Co., Ltd.

PTK72-A SERIES DIRECT MOUNTING 4-JAM INDEPENDENT CHUCKS:

PTK72-A series four-jaw independent chucks are of direct mounting type and can be directly joined to the spindle nose of the machine tool featuring reliable accuracy, nice rigidity, short overhung and rapid changeover etc.

This series can be joined to the machine tool spindle nose in three ways A₂ C and D forms. The parameters meet GB5900.1-GB5900.3(ISO-702) standard.

1. Form A₂: Mount with perforating screw

Size D	No of spindle head	D₁	D₂	D₃	H	H₁	h	h₁	h₂	d₁	z-d
200	4	63.513	82.6	56	110	75	13	10	6.5	14.7	4-M10
250					115.5	80
200	5	82.563	104.8	56	110	75	15	12	6.5	16.3
250				75	115.5	80
320					134	90
250	6	106.375	133.4	75	115.5	80	16	13	6.5	19.5	4-M12
320					134	90
350				95	141	90
400					143	95
250	8	139.719	171.4	75	115.5	80	18	14	8.0	24.2	4-M16
320				95	134	90
400				125	143	95
450					147	100
500				130	161	106
630					180	115
400	11	196.869	235.0	160	143	95	20	16	10.0	29.4	4-M20
500					161	106
630				180	180	115
800					210	135					8-M20
1000					241	150
1250					256	165
630	15	285.775	330.2	241	180	115	21	17	10.0	35.7	8-M22
800				180	210	135
1000				280	241	150
1000T									20.0		8-M20
1250T					256	165
1250											8-M22
1250	20	412.775	463.6	280	256	165	23	19	10.0	42.1	8-M24

2. Form C : Mount with catch plate and locknuts

Size D	No of spindle head	D₁	D₂	D₃	H	H₁	h	h₁	h₂	d₁	z-d
160	3	53.975	75.0	45	96.5	65	13	10	--	--	3-M10
160	4	63.513	85.0	56	96.5	65			6.5	14.7
200					110	75
250					115.5	80
200	5	82.563	104.8	56	110	75	15	12	6.5	16.3	4-M10
250					115.5	80
300					128.5	85
320					134	90
250	6	106.375	133.4	75	115.5	80	16	13	6.5	19.5	4-M12
300					128.5	85
320					134	90
350					141	90
400					143	95
500					161	106
250	8	139.719	171.4	95	115.5	80	18	14	8.0	24.2	4-M16
320				95	134	90
400				125	143	95
500				125	161	106
500	11	196.869	235	160	161	106	20	16	10.0	29.4	6-M20
1250	15	285.775	330.2	280	256	165	21	17	10.0	35.7	6-M24

3. Form D : Mount with connecting bar and camlocks

Size D	No of spindle head	D₁	D₂	D₃	H	H₁	h	h₁	z-d
160	3	53.975	70.6	45	96.5	65	13	10	3-M10×1
160	4	63.513	82.6	56	96.5	65
200					110	75
250					115.5	80
200	5	82.563	104.8	56	110	75	15	12	6-M12×1
250					115.5	80
300					128.5	85
320					134	90
250	6	106.375	133.4	75	115.5	80	16	13	6-M16×1.5
300					128.5	85
320					134	90
350					141	90
400					143	95
320	8	139.719	171.4	95	134	90	18	14	6-M20×1.5
350				95	141	90
400				125	143	95
450					147	100
500					161	106
400	11	196.869	235.0	160	143	95	20	16	6-M20×1.5
500	11	196.869	235.0	160	161	106	20	16	6-M24×1.5
630	15	285.775	330.2	180	180	115	21	17