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Text version of the page
COUPLINGS
Miniature Aluminium Curved Jaw Flexible Coupling
L T E A C N I C (i) Zero Backlash Transmission: (ii) Torque Transmission:MJT & MJT-C
H In applications where rotational angle transmission and motion control at low torque are needed, this can beused like a metal coupling with zero backlash. In addition, MJT couplings can absorb torsional vibration. The permissible torque in zero backlash application is smaller than the rated torque mentioned in the specification tables. Any of the three different sleeves has the same permissible torque in zero backlash application, however, the harder sleeve has the better response of angularity transmission. The MJT, a compression type coupling, can transmit generally higher torque, and this coupling can berecommended for the applications of general industrial machinery like pumps, where backlash is acceptable. For torque transmission applications, we recommend an MJT with keyway (MJT-__K) or an MJT with clamp hub and keyway (MJT-__CK) for safety and sure shaft attachment. NOTE: Spiders with 3 different hardnesses are available;BLUE (optional):These have the lowest hardness causing the rated torque and max. torque to also besmall. As a result allowable misalignment is large.RED (standard):These have the highest hardness causing the rated torque to be large. As a resultallowable misalignment is small.WHITE (optional):These are the average of the aforementioned blue and red couplings. Confirm that the rated torque, maximum rotational frequency and dimensions of the coupling type you haveselected are adequate for the equipment you intend to use it with. ADDITIONAL F
EATURES •These couplings can transmit higher torque thanconventional miniature couplings.•The polyurethane spider absorbs vibrations likehunting generated by servo motor.•Excellent flexibility, parallel and angular misalignments, and torsional vibration can be efficiently absorbed. The MJT coupling combines the features of a metal spring coupling with zero backlash and a flexiblecoupling with elastic rubber sleeve. Therefore, the MJT can be used as a rotational angle transmission with zero backlash and for torque transmission. Check the following points for the proper selection of MJT couplings.