JTD51 Double Start Ball Screw Jack Features 1. Maximum lifting force 35KN, rated dynamic load 30KN. 2. Ball screw diameter 40mm, lead 20mm. Gearbox sizes 180x145x117mm. Center height 58.5mm, center distance 63mm. Worm shaft diameter 20mm. 3. High gear ratio 1/7 (1 turn input shaft travels 2.86mm), low gear ratio 1/28 (1 turn input shaft travels 0.72mm). 4. Ball screw jack with translating ball screw, rotating ball screw with ball nut, anti-rotation keyed screw (square tube) configurations in upright or inverted mounting orientation. 5. High precision, greater efficiency, higher travel speed, higher duty cycle, lower input torque and long service life. 6. Cranked handle operated, or electric motor, geared motor, reducer driven, or both together. 7. Ball screw travel length is custom made. 8. Ball screw ends include top plate (I), clevis end (II), plain end(III) and threaded end (IV) are available. Custom made spherical hinge, forked head. 9. Individually or multiple jtd51 double start ball screw jacks lift system arrangements are available. Note:ball screw without self-locking, braking motor, brake mechanism or other locking systems are required when keep the position. When a jtd51 motorized double start ball screw jack, less power is required than an equivalent size jtc50 cubic double start acme screw jack.
JTD51 Double Start Ball Screw Jack Specifications
JTD51 Double Start Ball Screw Jack Dimensional Drawing