ZG/LM Models

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Features of ZG/LM Models

Our line-up includes the relatively low nominal torque of the ZG and LM models, which have excellent flexibility.The long type of the LM model (the LM-1 type) allows a particularly large angle of deflection of up to 14°. The ZG model uses a zinc alloy as the hub material and spring-steel square wire for the coil spring; the LM model uses an aluminum alloy as the hub material and stainless-steel round wire for the coil spring. Select the type suited to your usage environment.

ZG Models

[Specifications]

Model	Rated Torque ［N・m］	Misalignment			Max. rotation speed ［min^-1］	Torsional stiffness ［N・m/rad］	Moment of inertia ［kg・m²］	Mass ［kg］
Model	Rated Torque ［N・m］	Parallel ［mm］	Angular ［°］	Axial ［mm］	Max. rotation speed ［min^-1］	Torsional stiffness ［N・m/rad］	Moment of inertia ［kg・m²］	Mass ［kg］
ZG-6	0.15	0.5	5	±0.5	3000	0.17	1.95×10^-7	0.020
ZG-8	0.5	1.0	8	±1.0	3000	0.48	1.02×10^-6	0.070
ZG-14	1.5	1.2	8	±1.0	3000	1.70	1.15×10^-5	0.130

*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	L	L1	F	M
Model	Pilot bore	Min.	Max.	D	L	L1	F	M
ZG-6	2	3	6	12	25	9	2.4	M3
ZG-8	3	4	8	16	35	12.5	3.5	M4
ZG-14	6	7	14	26	50	17	4.5	M5

*Pilot bores are to be drilled into the part.

*Left and right tap positions may be shifted slightly.

[Standard bore diameter]

Model	Standard bore diameter d1, d2
Model	3	4	5	6	6.35	7	8	9	9.5	9.525	10	11	12	12.7	14
ZG-6	●	●	●	●
ZG-8		●	●	●	●	●	●
ZG-14						●	●	●	●	●	●	●	●	●	●

*Standard bore-drilled products do not have keyways. Keyways may be possible under some conditions. Contact Miki Pulley for details.

LM Models

[Specifications]

Model	Rated Torque ［N・m］	Misalignment			Max. rotation speed ［min^-1］	Torsional stiffness ［N・m/rad］	Moment of inertia ［kg・m²］	Mass ［kg］
Model	Rated Torque ［N・m］	Parallel ［mm］	Angular ［°］	Axial ［mm］	Max. rotation speed ［min^-1］	Torsional stiffness ［N・m/rad］	Moment of inertia ［kg・m²］	Mass ［kg］
LM-6	0.5	1.0	8	±1.0	6000	0.77	5.10×10^-7	0.020
LM-6-1	0.5	3.0	14	±1.5	6000	0.40	7.65×10^-7	0.030
LM-9	1.0	2.5	8	±1.0	6000	1.55	2.55×10^-6	0.050
LM-9-1	1.0	4.0	14	±1.5	6000	0.80	3.06×10^-6	0.060
LM-14	2.0	3.0	8	±1.0	6000	3.10	7.65×10^-6	0.090
LM-14-1	2.0	4.5	14	±1.5	6000	1.60	9.44×10^-6	0.110

*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	L	L1	L2	F	M
Model	Pilot bore	Min.	Max.	D	L	L1	L2	F	M
LM-6	4	5	6	14	35	12	6.5	3.5	M4
LM-6-1	4	5	6	14	50	12	6.5	3.5	M4
LM-9	5	6	9	20	40	14	7.5	4	M4
LM-9-1	5	6	9	20	60	14	7.5	4	M4
LM-14	8	9	14	26	50	17	10	5	M5
LM-14-1	8	9	14	26	70	17	10	5	M5