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Integrated structure with spiral slits provides excellent flexibility Helical (metal slit coupling)-MIKI PULLEY CO., LTD.

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Model Description

■Features A completely integrated metal coupling with a single spiral slit in a cylindrical material, with no backlash. The 1441 model uses stainless steel as the material. It is inexpensive because internal relief processing is omitted. The Helical Mini (8652 model) is the smallest model and is made of high-strength aluminum alloy with a shaft diameter of 1.5 mm.


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Mass (kg)

Maximum rotation speed (min-1)

Moment of inertia (kg・m2)

Tolerance Axial direction (mm)

Tolerance Eccentricity (mm)

Tolerance declination angle (゜)

Torque Regular use (N・m)

Torque maximum (N・m)

Torsional spring constant (N・m/rad)

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  • Part Number

    Helical mini 1441 model

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Integrated structure with spiral slits provides excellent flexibility Helical (metal slit coupling) Helical mini 1441 model's performance table

Image Price (excluding tax) Mass (kg) Maximum rotation speed (min-1) Moment of inertia (kg・m2) Tolerance Axial direction (mm) Tolerance Eccentricity (mm) Tolerance declination angle (゜) Torque Regular use (N・m) Torque maximum (N・m) Torsional spring constant (N・m/rad)
Integrated structure with spiral slits provides excellent flexibility Helical (metal slit coupling)-Part Number-Helical mini 1441 model Available upon quote 0.022~0.0005 10,000~25,000 0.003×10^6~9.82×10^7 ±0.05~0.12 0.05~0.25 1~5 0.015~0.4 0.030~0.8 0.35~21.2

There are 4 models for this product.

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About Company Handling This Product

Company Overview

Miki Pulley Co., Ltd., founded in 1939, is a manufacturer and provider of solutions for power transmission and...

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