D51 SERIES Radial Ring Rolling Machine

D51 series ring rolling machine is suitable for production of rings in the field of automobile machinery, oil & gas, chemical etc., it can produce the rings with rectangular cross-section and special section, such as bearing ring, gear blank,flat flange, weld-neck flange etc., with features of once rolling, higher production efficiency, higher precision blanks.

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Product Features

Product parameters

Item		Unit	D51-160E	D51-250D	D51-250E	D51-350D	D51-350E	D51-400E	D51-500E	D51-630E	D51-800E	D51-1000E
Ring size	OD	mm	200	250	300	350	350	400	500	630	800	1000
Ring size	Thickness	mm	70	50	120	85	200	200	200 250	200 250	200 350	200 350
Max. productivity		pcs/h	600	500	240	200	120	100	90	80	60	50
Nominal pressure of cylinder		kg	11300	9800	19600	15500	30000	30000	32000	32000	38000	38000/4200
Slide stroke		mm	70	110	110	130	130/250	130/250	130/250	350	350	350
Rolling line speed		m/sec	1.64	2.1	1.63	2.2	1.45	1.45	1.5	1.47	1.5	1.5
Main shaft speed		mm	92	80	62.3	62	41	40	40	38	38	38
OD of rolling wheel		mm	360-380	500-520	500-520	680-700	680-700	700-720	700-720	700-720	760-820	760-820
Center height of rolling roller		mm	670	875	875	1050	1100	1100	1200	1250	1350	1600
Min. distance between the center of rolling wheel and rolling roller		mm	185	265	265	365	365	375	375	385	410	410
Main motor power		kW	30	37	55	75	90	90	90	90/110	110/132	110/132
Hydraulic motor power		kW	7.5	11	11	15	15	15	15	15	15/18	15/18
Machine outsize		mm	2350×1700×2100	2890×1900×2400	3440×2000×2700	4040×2000×3000	4595×2050×3370	4595×2100×3370	4800×2200×3470	4800×2300×3770	4800×2350×3770	5000×2400×3520