CPU Models - PARAFLEX - Miki Pulley Vietnam

These are pin-bushing type couplings whose body is made of aluminum alloy. Backlash is kept extremely low by combining high-precision pins with dry metal.They allow an angle of deflection of 4°. A universal system is used for hub coupling, which makes shaft reaction force due to mounting misalignment extremely small. There is also a damping effect from sliding at the friction surface between the pin and dry metal. A clamp system employing friction is used to mount the coupling on the shaft, making mounting easy.

Structure and Materials

[Specifications]

Model	Rated torque ［N・m］	Misalignment		Max. rotation speed ［min-1］	Torsional stiffness ［N・m/rad］	Moment of inertia ［kg・m2］	Mass ［kg］
		Parallel ［mm］	Angular ［°］
CPU-26-A	2.2	0.3	4	4000	600	3.57×10-6	0.04
CPU-36-A	10	0.4	4	3500	1350	1.64×10-5	0.09
CPU-46-A	25	0.5	4	3000	1650	5.33×10-5	0.19

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

*The moment of Inertia and mass are measured for the maximum bore diameter.

[Dimensions]

Unit ［mm］

Model	d1, d2		D	E	L	L1	L2	M	A
	Min.	Max.
CPU-26-A	6	12	26	0.3	36	12	4	M3	9
CPU-36-A	8	18	36	0.3	44	15	4.75	M4	13
CPU-46-A	10	22	46	0.3	54	18	6.5	M5	16

*Insert the shaft to at least the dimension L1. (Note that the shaft cannot go all the way through.)

*The recommended processing tolerance for paired mounting shafts is the h7 class.

[Standard bore diameter]

Model	Standard bore diameters d1, d2 ［mm］
	6	6.35	7	8	9	9.525	10	11	12	14	15	16	18	19	20	22
CPU-26-A	●	●	●	●	●	●	●	●	●
CPU-36-A				●	●	●	●	●	●	●	●	●	●
CPU-46-A							●	●	●	●	●	●	●	●	●	●

*Bore diameters between the minimum and maximums shown in the dimensions table are compatible, but bore diameters other than those shown in the above table require a separate bore drilling charge.

Trịnh Nguyễn Thanh Thủy

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