FRU Series Steady Rest

FRU steady rests are used for all standard applications. This series of steady rests are available with clamp ranges from 4 mm to 1100 mm. FRU steady rests can be mounted to flat or slant bed lathes. Mounting brackets can be supplied to meet your needs. All Kitagawa-NorthTech steady rest models come with a spare set of rollers and spare chip guard.

Download a PDF catalog page for the FRU series steady rest Contact us today for more information on the FRU Series Steady Rest

STANDARD FEATURES

Safety valve
Provision for max. opening feedback
Spare set of chip guards
Spare set of rollers
Automatic lubrication
Compressed air connection

Steady Rest Type		FRU1	FRU2	FRU3	FRU3.1	FRU3.2	FRU4	FRU5	FRU5.1	FRU6	FRU7
	A	222	299	457	465	486	624	710	746.5	980	1240
	B	137	195	308	316	332	437	500	530	709	900
	C	51	70	115	123	138	146	178	198	215	320
	D	64	85	135	135	135	240	270	270	330	440
	E	118	170	262	262	262	365	400	400	610/640	650
	F	132	205	290	290	290	400	450	450	705	710
	G	55	70	85	85	85	110	145	145	145	162
	I	15	33	37	37	37	37	37	37	37	60
	J	33	42	52	52	52	67	83	83	83	94
	K	25	35	45	45	45	60	75	75	75	82
	L	12	19	25	25	25	25	29	29	29	32
	M	19	35	47	47	47	52	62	62	80	100
	N	10	21	25	25	25	32	36	36	42	55
	O	71.5	104	149	149	154	187	210	216.5	271	340
	P1	82.5	102	137	137	137	165	165	165	200	238
	P2	27.5	72	90	90	90	102	102	102	120	143
	P3	55	75	94	94	94	110	110	110	135	158
	R	51.5	75	119	124	139	172	209	229	290	398
	S	11	14	18	18	18	23	23	23	27	27
	T	49	70	102	102	102	126	144	144	258	190
	V	42.5	60	92	99	103	128	160	180	175	283
	Y		19	19	19	19	19	19	19	19	19
Centering range without chip guard	U1	4	8	12	20	50	30	45	85	125	200
Centering range without chip guard	U2	64	101	152	165	200	245	310	350	460	530
Centering range with 3 piece chip guard	U1	11	16	16	20	50	30	45	85	125	200
Centering range with 3 piece chip guard	U2	64	101	152	165	200	245	310	350	460	530
Cylinder bore	d	30	50	80	80	80	100	100	100	130	150
Hydraulic connection (BSP)	h	1/4″	1/4″	1/4″	1/4″	1/4″	3/8″	3/8″	3/8″	3/8″	3/8″
Operating pressure min(max)	bar	6(50)	8(60)	8(60)	8(60)	8(60)	8(60)	8(80)	8(80)	8(70)	6(70)
Max clamp force/roller	daN	100	350	1000	1000	1000	1500	2000	2000	3000	4000
Clamping pressure/roller at 15 bar	daN	35	100	250	250	500	500	500	500	670	900
Centering accuracy over entire clamping range	mm	0.02	0.02	0.04	0.04	0.04	0.05	0.06	0.06	0.06	0.08
Repeatability	mm	0.01	0.01	0.01	0.007	0.007	0.01	0.01	0.01	0.01	0.02
Max peripheral speed	m/min	850	950	800	800	725	725	670	670	525	570
Approx weight	kg	7	18.5	48	48	50	104	155	155	430	1000

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