CF-A S0/S1/S2 Types - CENTAFLEX - MIKI PULLEY COUPLINGS - MIKI PULLEY VIETNAM

Power is transmitted by highly elastic rubber.Rubber is excellent at absorbing vibration and shock and also reduces machinery noise. The rubber components of the elastic body are constructed of polygonal rubber with aluminum inserts inserted into their tips. Each is formed by rigid vulcanizing adhesion. These rubber bodies are coupled by bolts in the radial and axial directions of the cylindrical hub and flange hub so that power is transmitted via the rubber body. The bolt coupling in the radial direction is particular has a pre-compressed construction and enables power transmission that is excellent in flexibility and absorption of vibration and shock.

Structure and Materials

CF-A

CF-A S0/S1/S2 Types

[Specifications]

Model	Torque			Misalignment			Max. rotation speed ［min-1］	Dynamic torsional stiffness ［N・m/rad］	Moment of inertia ［kg・m2］	Mass ［kg］
	Nominal ［N・m］	Max. ［N・m］	Continuous vibration torque ［N・m/10Hz］	Parallel ［mm］	Angular ［°］	Axial ［mm］
CF-A-001-S0-1360	10	25	±4	0.5	3	±2	10000	1.47×102	1.9×10-5	0.07
CF-A-002-S0-1360	20	50	±8	1.0	3	±3	8000	2.92×102	1.2×10-4	0.1
CF-A-004-S0-1360	40	100	±16	1.0	3	±3	7000	7.59×102	2.6×10-4	0.2
CF-A-008-S0-1360	80	200	±32	1.0	3	±4	6500	1.44×103	7.2×10-4	0.3
CF-A-012-S0-1360	120	300	±48	1.0	2	±4	6500	4.38×103	7.6×10-4	0.3
CF-A-016-S0-1360	160	400	±64	1.5	3	±5	6000	3.28×103	2.4×10-3	0.6
CF-A-022-S0-1360	220	550	±88	1.5	2	±5	6000	8.26×103	2.6×10-3	0.7
CF-A-025-S0-1360	250	630	±100	1.5	3	±5	5000	4.12×103	4.0×10-3	0.8
CF-A-028-S0-1360	350	880	±140	1.5	2	±5	5000	1.05×104	4.3×10-3	0.9
CF-A-030-S0-1360	400	1000	±160	1.5	3	±5	4000	6.40×103	1.0×10-2	1.4
CF-A-050-S0-1360	600	1500	±240	1.5	2	±5	4000	1.48×104	1.1×10-2	1.7
CF-A-080-S0-1360	800	2000	±320	1.5	2	±4	4000	2.17×104	1.5×10-2	2.3
CF-A-090-S0-1360	900	2250	±360	1.5	3	±5	3600	1.37×104	3.6×10-2	3.1
CF-A-140-S0-1360	1400	3500	±560	1.5	2	±5	3600	2.90×104	3.8×10-2	3.4
CF-A-200-S0-1360	2000	5000	±800	1.5	2	±5	3200	6.08×104	7.5×10-2	5.3
CF-A-250-S0-1360	3000	8750	±1250	1.5	2	±5	3000	8.28×104	0.14	7.0
CF-A-400-S0-1360	5000	12500	±2000	1.5	2	±5	2800	1.25×105	0.22	10.7

*Max. rotation speed does not take into account dynamic balance.

*The dynamic torsional stiffness is about 1.3 times that of the static torsional stiffness.

*Values for moment of inertia and mass are those when the cylindrical hub and flange hub have pilot bores.

[Specifications]

Model	Torque			Misalignment			Max. rotation speed ［min-1］	Dynamic torsional stiffness ［N・m/rad］	Moment of inertia ［kg・m2］	Mass ［kg］
	Nominal ［N・m］	Max. ［N・m］	Continuous vibration torque ［N・m/10Hz］	Parallel ［mm］	Angular ［°］	Axial ［mm］
CF-A-001-S1-1360	10	25	±4	0.5	3	±2	10000	1.47×102	6.0×10-5	0.3
CF-A-002-S1-1360	20	50	±8	1.0	3	±3	8000	2.92×102	2.8×10-4	0.5
CF-A-004-S1-1360	40	100	±16	1.0	3	±3	7000	7.59×102	5.8×10-4	0.7
CF-A-008-S1-1360	80	200	±32	1.0	3	±4	6500	1.44×103	1.8×10-3	1.4
CF-A-012-S1-1360	120	300	±48	1.0	2	±4	6500	4.38×103	2.0×10-3	1.4
CF-A-016-S1-1360	160	400	±64	1.5	3	±5	6000	3.28×103	4.7×10-3	2.5
CF-A-022-S1-1360	220	550	±88	1.5	2	±5	6000	8.26×103	5.4×10-3	2.6
CF-A-025-S1-1360	250	630	±100	1.5	3	±5	5000	4.12×103	9.2×10-3	3.8
CF-A-028-S1-1360	350	880	±140	1.5	2	±5	5000	1.05×104	1.1×10-3	4.0
CF-A-030-S1-1360	400	1000	±160	1.5	3	±5	4000	6.40×103	2.2×10-2	6.3
CF-A-050-S1-1360	600	1500	±240	1.5	2	±5	4000	1.48×104	2.5×10-2	6.8
CF-A-080-S1-1360	800	2000	±320	1.5	2	±4	4000	2.17×104	2.9×10-2	8.1
CF-A-090-S1-1360	900	2250	±360	1.5	3	±5	3600	1.37×104	7.1×10-2	12.4
CF-A-140-S1-1360	1400	3500	±560	1.5	2	±5	3600	2.90×104	7.9×10-2	13.3
CF-A-200-S1-1360	2000	5000	±800	1.5	2	±5	3200	6.08×104	0.15	18.5
CF-A-250-S1-1360	3000	8750	±1250	1.5	2	±5	3000	8.28×104	0.25	24.5
CF-A-400-S1-1360	5000	12500	±2000	1.5	2	±5	2800	1.25×105	0.49	39.5

*Max. rotation speed does not take into account dynamic balance.

*The dynamic torsional stiffness is about 1.3 times that of the static torsional stiffness.

*Values for moment of inertia and mass are those when the cylindrical hub and flange hub have pilot bores.

[Specifications]

Model	Torque			Misalignment			Max. rotation speed ［min-1］	Dynamic torsional stiffness ［N・m/rad］	Moment of inertia ［kg・m2］	Mass ［kg］
	Nominal ［N・m］	Max. ［N・m］	Continuous vibration torque ［N・m/10Hz］	Parallel ［mm］	Angular ［°］	Axial ［mm］
CF-A-001-S2-1360	10	25	±4	0.5	3	±2	10000	1.47×102	1.4×10－4	0.5
CF-A-002-S2-1360	20	50	±8	1.0	3	±3	8000	2.92×102	6.6×10－4	1.1
CF-A-004-S2-1360	40	100	±16	1.0	3	±3	7000	7.59×102	1.4×10－3	1.5
CF-A-008-S2-1360	80	200	±32	1.0	3	±4	6500	1.44×103	3.9×10－3	3.1
CF-A-012-S2-1360	120	300	±48	1.0	2	±4	6500	4.38×103	4.1×10－3	3.2
CF-A-016-S2-1360	160	400	±64	1.5	3	±5	6000	3.28×103	1.1×10－2	5.6
CF-A-022-S2-1360	220	550	±88	1.5	2	±5	6000	8.26×103	1.2×10－2	5.8
CF-A-025-S2-1360	250	630	±100	1.5	3	±5	5000	4.12×103	2.2×10－2	8.7
CF-A-028-S2-1360	350	880	±140	1.5	2	±5	5000	1.05×104	2.3×10－2	8.9
CF-A-030-S2-1360	400	1000	±160	1.5	3	±5	4000	6.40×103	4.9×10－2	14.2
CF-A-050-S2-1360	600	1500	±240	1.5	2	±5	4000	1.48×104	5.2×10－2	14.6
CF-A-080-S2-1360	800	2000	±320	1.5	2	±4	4000	2.17×104	5.6×10－2	16.0
CF-A-090-S2-1360	900	2250	±360	1.5	3	±5	3600	1.37×104	0.16	26.6
CF-A-140-S2-1360	1400	3500	±560	1.5	2	±5	3600	2.90×104	0.17	27.5
CF-A-200-S2-1360	2000	5000	±800	1.5	2	±5	3200	6.08×104	0.32	40.1
CF-A-250-S2-1360	3000	8750	±1250	1.5	2	±5	3000	8.28×104	0.50	52.3
CF-A-400-S2-1360	5000	12500	±2000	1.5	2	±5	2800	1.25×105	1.00	86.9

*Max. rotation speed does not take into account dynamic balance.

*The dynamic torsional stiffness is about 1.3 times that of the static torsional stiffness.

*Values for moment of inertia and mass are those when the cylindrical hub and flange hub have pilot bores.

[Dimensions]

Unit ［mm］

Model	d1			d2			D1	D2	D3	N1	N2	L1	L2	L3	A	B	C	E	G1	G2	O	S	TS	TK	M1	M2
	Pilot bore	Min.	Max.	Pilot bore	Min.	Max.
CF-A-001	8	9	19	8	9	22	57	56	56	30	36	32	24	58	24	7	34	22	11	-	5	2	10	44	2-M6	2-M6
CF-A-002	10	11	28	9	10	30	86	85	85	40	45	30	28	62	24	8	34	20	10	-	14	4	14	68	2-M8	2-M8
CF-A-004	12	14	30	11	12	36	100	97	100	45	55	34	30	68	28	8	38	24	12	-	18	4	14	80	3-M8	3-M8
CF-A-008	12	14	38	15	16	46	122	120	120	60	70	40	42	86	32	10	4	28	14	-	20	4	17	100	3-M10	3-M10
CF-A-012	12	14	38	15	16	46	122	120	120	60	70	40	42	86	32	10	44	28	14	-	20	4	17	100	4-M10	4-M10
CF-A-016	15	16	48	19	20	56	150	150	150	70	85	52	50	108	42	12	58	36	18	-	25	6	19	125	3-M12	3-M12
CF-A-022	15	16	48	19	20	56	150	150	150	70	85	52	50	108	42	12	58	36	18	-	25	6	19	125	4-M12	4-M12
CF-A-025	15	16	55	19	20	65	170	170	170	85	100	58	56	120	46	14	64	40	20	-	26	6	22	140	3-M14	3-M14
CF-A-028	15	16	55	19	20	65	170	170	170	85	100	58	56	120	46	14	64	40	20	-	26	6	22	140	4-M14	4-M14
CF-A-030	20	22	65	28	30	80	200	200	200	100	120	68	66	142	58	16	76	50	25	-	33	8	25	165	3-M16	3-M16
CF-A-050	20	22	65	28	30	80	200	200	200	100	120	68	66	142	58	16	76	50	25	-	33	8	25	165	4-M16	4-M16
CF-A-080	20	22	65	28	30	80	205	205	200	100	120	80	66	150	65	16	84	61	30.5	-	33	4	25	165	4-M16	4-M16
CF-A-090	30	32	85	30	32	95	260	260	260	125	140	84	80	172	70	19	92	62	31	-	46	8	32	215	3-M20	3-M20
CF-A-140	30	32	85	30	32	95	260	260	260	125	140	84	80	172	70	19	92	62	31	-	46	8	32	215	4-M20	4-M20
CF-A-200	35	38	105	35	38	110	300	300	300	145	160	94	90	192	80	19	102	72	36	-	46	8	32	250	4-M20	4-M20
CF-A-250	40	42	115	40	42	120	340	340	340	160	180	100	100	208	85	19	108	77	22.5	32	60	8	32	280	4-M20	8-M20
CF-A-400	40	42	115	40	42	130	370	370	370	170	200	125	125	260	105	29	135	95	28.5	38	70.5	10	45	300	4-M24	8-M20

*Pilot bores are to be drilled into the part. Minimum values for d1 and d2 are given by the minimum bore diameter values in the MIKI PULLEY standard hole-drilling standards and maximum values from the maximum allowable drilled bore diameters.

*The above table values are dimensions when the rubber body is assembled, so the N1, TK, D1, and D2 dimensions prior to rubber body assembly will differ from those above.

*The TK dimension is the bolt mounting pitch diameter of the flange hub or paired mounting part, but it is possible to change to make the mounting easier. Please contact MIKI PULLEY for the details.

*The TS dimension is the H8 plug gauge reference dimension. However, size 001 has a tolerance of ^+0.15₀, while sizes 002 and 004 have tolerances of ^+0.1_0.

*The nominal diameters for bolts M1/M2 are equal to the quantity minus the nominal diameter of the screw threads.

*Using a hex-socket-head bolt with the CF-A-400 requires a special flat washer.

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