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PK11U SERIES NC SELF CENTERING STEADY REST

Product introduction： The power part of the PK11U series center frame - the hydraulic cylinder is located on one side of the center frame body wall...

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Detailed Introduction

The power part of the PK11U series center frame - the hydraulic cylinder is located on one side of the center frame body wall, which reduces the length of the center frame and is suitable for machine tools with smaller longitudinal dimensions at the center frame position.

Technical Parameter

PK11U Main specification and parameter(mm)
Items Model	PK11 120x20U	PK11 140x40U	PK11 160x20U	PK11 160x60U	PK11 200x50U	PK11 235x35U	PK11 250x50U	PK11 270x50U	PK11 320x100U	PK11 350x220U	PK11 400x120U	PK11 400x260U	PK11 430x230U	PK11 460x200U	PK11 475x300U
Centering range	20-120	40-140	20-160	60-160	50-200	35-235	50-250	50-270	100-320	220-350	120-400	260-400	230-430	200-460	300-475
L1	356	398	409.5	389.5	465	466	544	593	615	603	788	697	697	803	770
L2	247	298	307	282	365	295	368	433	454	455	587	520	520	610	569
L3	85	100	96	96	125	125	128	156	180	180	210	205	205	240	250
L4	50	33	41.5	46.5	15	76	78	48	20	/	41	22	22	/	5
B1	280	310	330	330	380	438	400	446	460	460	600	550	570	600	686
B2	160	180	180	180	220	200	240	310	300	300	380	370	370	380	500
B3	130	125	117	117	157	120	120	160	165	165	168	168	168	200	200
B4	253	305	278	278	368	366	405	466	493	513	592	633	633	705	688
Y1	115	140	123	123	170	166	180	203	250	250	283	260	260	350	338
Y2	150	165	180	115	190	135	210	230	270	220	330	300	300	310	370
Y3	256	285	302	302	352/340	390	365	400	425	425	562	515	525	560	651
M1	45	55	45	45	54	54	54	75	70	70	60	75	75	80	80
M2	45	55	45	45	54	54	54	75	70	70	60	75	75	80	80
M3	24	24	24	24	24	24	24	28	28	28	28	28	28	30	30
U1	160	180	185	160	/	200			360	270	/	270	270	/	292
U2	9	10	/	/	/	/			15	15	/	80	80	/	96.5
H1	110	105	117	117	117	114	124	150	145	145	140	168	168	160	200
H2	85	110	85	85	124	100	114	145	135	130	168	155	155	200	170
J	/	/	40	70	40	50	30	40	/	80	128x15"	80	70	87.3x55"	/
D	47	47	47	47	52	52	52	62	62	62	72	72	72	80	80
T	18	18	18	18	23	23	23	23	23	23	25	23	23	26	25
d	/	/	14	14	/	19.3	/	/	/	19.3	/	19.3	19.3	/	/
P	110	120	141	143	118	187	160	175	180	135	254	248.5	253	180	308
Lubrication	3-M8x1	3-M8x1	3-M8x1	3-M8x1	3-M8x1	3-M8x1	3-M8x1	3-M8x1	3-M8x1	3-M8x1	3-M8x1	3-M8x1	3-M8x1	3-M8x1	3-M8x1
Inlet/Exhaust Holes	2-G1/8"	2-G1/8"	2-G1/8"	2-G1/8"	2-G1/8"	2-G1/8"	2-G1/8"	2-G1/8"	2-M12x1.5	2-M12x1.5	2-G1/8"	2-G1/8"	2-G1/8"	2-G1/8"	2-G1/8"
Clampling/Loosen bore	2-G1/4"	4-G1/4"	4-G1/4"	4-G1/4"	4-G1/4"	4-G1/4"	2-G1/4"	2-G1/4"	2-G1/4"	4-G1/4"	4-G1/4"	4-G1/4"	4-G1/4"	4-G1/4"	2-G1/4"
Maximum opening size	126	146	160	160	225	231	276	282	350	353	400	418	432	480	477
Interference circularity	170	200	185	185	244	250	280	330	363	357	430	438	438	466	570
Working pressure	0.5-3	0.5-3	0.5-1.5	0.5-1.5	0.5-3	0.5-3.5	0.5-1.5	0.5-2.5	0.5-3	0.5-3	0.5-3	0.5-3	0.5-3	1.0-2.0	0.5-4
Max clamping force	5	5	4	3.2	5.16	7.5	5.7	8.5	9.5	8	9.5	14	14	10	11
Accuracy of cenering	0.04	0.05	0.05	0.05	0.05	0.05	0.05	0.05	0.05	0.05	0.05	0.05	0.05	0.05	0.05
Accuracy of reorduction	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.01
Sheild	Y	Y	N	N	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	N
Note: The maximum clamping force is related to the clamping method and the weight of the workpiece. The data in the table is for reference only.