FRUB Series Steady Rest

This series was designed to accomodate machines where the rear mounted cylinder may interfere with the sheet metal.

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Steady Rest Type		FRUB 3	FRUB3.1	FRUB 4	FRUB 5	FRUB 6	FRUB 7	FRUB 8
	A	348	356	480	612.5	823	1001	1130
	B	308	316	437	500	709	897.5	1019
	C	115	123	146	178	215	320	375
	D	135	135	240	270	330	440	500
	E	262	262	365	400	610/640	650	855
	F	290	290	400	450	680	710	930
	G	85	85	110	145	145	180	190
	J	52	52	67	80	83	112	110
	K	45	45	60	75	75	100	100
	L	25	25	25	29	29	32	32
	M	47	47	52	62	80	100	100
	N	25	25	32	36	43	55	60
	O	40	40	43	112.5	114	103.5	111
	P2	74	74	85	85	125.8	130	130
	P3	57	57	68	85	89.2	130	130
	R	117.5	124	172	209	290	398	402
	S	18	18	23	23	27	27	35
	T	199	198	246	325	383	405	487
	V	91.5	99.5	128	160	182	283.5	290
	Y	19	19	19	20	27	27	27
Centering range without chip guard	U1	12	20	30	50	125	200	230
Centering range without chip guard	U2	152	165	245	310	460	530	630
Centering range with 3 piece chip guard	U1	21	20	30	50	125	200	230
Centering range with 3 piece chip guard	U2	152	165	245	310	460	530	630
Cylinder bore	d (dia)	80	80	100	100	130	150	150
	e	58	58	68	85	55	191	191
	f	27	27	39	40	50	50	50
	g	180	180	220	270	430	450	450
Hydraulic connection (BSP)	h	1/4″	1/4″	3/8″	3/8″	3/8″	3/8″	3/8″
Operating pressure min(max)	bar	8(60)	8(60)	8(60)	8(80)	8(70)	8(70)	8(70)
Max clamp force/roller	daN	1000	1000	1500	2000	3000	4000	4000
Clamping pressure/roller at 15 bar	daN	250	250	400	400	600	880	880
Centering accuracy over entire clamping range	mm	0.04	0.04	0.05	0.06	0.06	0.08	0.08
Repeatability	mm	0.0007	0.0007	0.0007	0.01	0.01	0.02	0.02
Max peripheral speed	m/min	800	800	720	650	525	570	570
Approx weight	kg	53	53	115	190	500	580	650

DKF Series Low Profile Collet Chuck