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JAKOB Antriebstechnik GmbH
Datasheet MJT & MJT-C

Datasheet MJT & MJT-C

Product catalog summary

Overview: This document provides technical specifications and details for the MJT and MJT-C series of miniature elastomer couplings used in drive technology. These couplings are designed for various applications requiring torsional stiffness and misalignment compensation.

Specifications:

Maximum Moment: Ranges from 0.7 Nm to 12.5 Nm depending on the model.
Speed: Maximum speeds range from 13,000 min^-1 to 27,000 min^-1.
Inertia: Values range from 0.21 x 10^-6 kgm² to 6.2 x 10^-6 kgm².
Torsional Stiffness: Ranges from 0.16 x 10^-3 Nm/arcmin to 6.2 x 10^-3 Nm/arcmin.
Misalignment: Axial misalignment ranges from ±0.6 mm to ±1.0 mm, and lateral misalignment ranges from 0.10 mm to 0.20 mm.
Material: Hubs are made of aluminum, and the elastomer spider is made of polyurethane, available in blue (B 80-Sh-A) and red (R 98-Sh-A).

Design Features:

MJT-C series features a lateral clamping hub, while the MJT series is a cost-effective version with set screws.
Both series offer plug-in and oscillation dampening capabilities.
Dimensions conform to DIN ISO 2768 cH standards.

Temperature Range: The couplings operate effectively between -20°C and +70°C, with temperature corrections for nominal torques at +30°C (100%), +50°C (75%), and +70°C (60%).

Ordering Information: Examples include MJT-B30 with specific bore sizes D1 and D2, and MJT-C-R 20 with different bore specifications.

Additional Notes: Further bore sizes are available upon request, and end faces on the shaft are recommended for easier disassembly of the MJT series.

Catalog excerpts

moment torsional max. shaft mis- mass tightening torque of inertia stiffness alignment (mm) approx. of screws Series MJT-C Dimensions [mm]: length dimensions according to DIN ISO 2768 cH stock bores D1/D2 (H8) • MJT ◊ MJT-C MJT/MJT-C 03 04 05 06 06,35 08 09,53 010 012 014 note: further bore sizes possible on request for easier disassembly of the MJT series, we recommend to have end faces on the shaft temperature correction for nominal torques -20°C up to +30°C +50°C +70°C

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Datasheet MJT & MJT-C

Datasheet MJT & MJT-C

Catalog excerpts

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