DO Models - RUBBER SPRING ROSTA - MIKI PULLEY VIETNAM

These models connect two basic standard ROSTA rubber springs. They have an aluminum alloy outer shell and a metal or aluminum alloy inner shell.This model links two springs, so it has a big rated torsion angle of 60°. They can be used for an assortment of applications, including disc springs for general machinery, elastic guides, tensioners, and flexible stoppers.

DO Models,*Made to order

[Specifications]

Size	Torque at torsional angle ［N・m］						Mass ［kg］
	5° (10°)	10° (20°)	15° (30°)	20° (40°)	25° (50°)	30° (60°)
15×25	0.7	1.6	2.6	4.0	5.7	8.2	0.09
15×40	1.1	2.5	4.2	6.4	9.2	13.2	0.12
15×60	1.6	3.8	6.3	9.6	13.8	19.8	0.18
18×30	1.9	4.5	7.5	11.0	15.0	20.6	0.15
18×50	3.2	7.5	12.5	18.3	25.0	34.4	0.25
18×80	5.1	12.0	20.0	29.3	40.0	55.0	0.38
27×40	4.7	10.7	17.5	26.9	39.5	57.0	0.34
27×60	7.0	16.0	26.3	40.3	59.3	85.5	0.50
27×100	11.7	26.7	43.8	67.2	98.8	142.5	0.82
38×60	13.0	30.4	50.6	78.0	113.0	162.0	0.95
38×80	17.3	40.5	67.5	104.0	151.0	216.0	1.25
38×120	26.0	60.8	101.2	156.0	226.0	324.0	1.84

*The angles in parentheses are the values when the DO model is used in serial connection.

[Dimensions]

Unit ［mm］

Size		A	B	C	E	F	L	L1	T+0.50
DO-S	DO-A
15×25	15×25	28	53.5	11+0.250	10	25.5	25	30	5
15×40	15×40	28	53.5	11+0.250	10	25.5	40	45	5
15×60	15×60	28	53.5	11+0.250	10	25.5	60	65	5
18×30	18×30	34	65	12+0.250	12	31	30	35	6
18×50	18×50	34	65	12+0.250	12	31	50	55	6
18×80	18×80	34	65	12+0.250	12	31	80	85	6
27×40	27×40	47	91	22+0.250	20	44	40	45	8
27×60	27×60	47	91	22+0.250	20	44	60	65	8
27×100	27×100	47	91	22+0.250	20	44	100	105	8
38×60	38×60	63	123	30+0.250	25	60	60	70	10
38×80	38×80	63	123	30+0.250	25	60	80	90	10
38×120	38×120	63	123	30+0.250	25	60	120	130	10

*For large dimensions other than the above, please contact Miki Pulley.

OPTION:

Bracket WS/WD Models

WS/WD Models

Dimensions

Unit [mm]

Model	Applicable unit	A	B	C	D	E	F	G	H1	H2	J	K	S	T	U	Mass [kg]
WS-11/WD-15	DR, DK, DO-A-15	46	45	30	7	30	13	11.5	27	35	10	7.5	4	6.5	5.5	0.08
WS-15/WD-18	DR, DK, DO-A-18	58	55	32	7	40	13	13.5	34	44	12	7.5	5	8.5	6.5	0.15
WS-18/WD-27	DR, DK, DO-A-27	74	70	38	9.5	50	15.5	16.5	43	55	20	10	6	10.5	8.5	0.28
WS-27/WD-38	DR, DK, DO-A-38	98	90	52	11.5	65	21.5	21	57	75	25	12.5	8	12.5	10.5	0.70
WS-38/WD-45	DR, DK, DO-A-45	116	110	55	14	80	24	21	66	85	35	15	8	16.5	12.5	0.90
WS-45/WD-50	DR, DK, DO-A-50	140	140	66	18	100	30	26	80	110	40	20	10	20.5	12.5	1.80

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