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Jacton Industry Co.,Ltd.
Contact: Warren Lee
Skype: jactonjack
T: 86-769-81585810
F: 86-769-81585852
E: sales@screw-jack.com
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Worm gear screw jack program stands for reliability in use and versatility in application.
Worm gear screw jack program stands for reliability in use and versatility in application. Technically matured, and with its easy-to-mount, rectangular housing, it can easily be extended to form wide-area jack systems with the help of its wide range of accessories. And last but not least, the heart of every screw jack is a precision trapezoidal or ball screw drive in acknowledged high quality from our own screw production.

500 lbs machine screw jacks - Jacton Industry

1. Lifting Force 2.5kN. Under max. lifting force, drive torque high speed 1.2Nm, low speed 0.4Nm.
2. Acme screw diameter 14 mm, pitch 4 mm. Gearbox sizes 60x50x50mm. Center height 25mm, center distance 20mm. Worm shaft diameter 9mm.
3. High gear ratio 1/5, low gear ratio 1/20.

1000 lbs machine screw jacks - Jacton Industry

1. Static load capacity maximum 0.5 ton, dynamic load capacity maximum 0.3 ton.
2. Lift screw diameter 20 mm, pitch 5 mm. Gearbox sizes 119x82x100mm. Center height 38mm, center distance 31mm. Worm shaft diameter 13mm.
3. Three worm gear ratios 1/5, 1/10, 1/20.

1 ton machine screw jacks - Jacton Industry

Jacton jtw-1t 1 ton miniature worm gear machine screw jacks lift and precisely position loads. Upright or inverted, these jacks operate at full capacity in tension or compression and are available in Translating, Traveling nut and Keyed designs.

2 ton machine screw jacks - Jacton Industry

1. Static load capacity maximum 2 ton, dynamic load capacity maximum 1.35 ton.
2. Lift screw diameter 26 mm, pitch 5 mm. Gearbox sizes 135x95x110mm. Center height 40mm, center distance 35mm. Worm shaft diameter 15mm.
3. Three worm gear ratios 1/5, 1/10, 1/20.

2.5 ton machine screw jacks - Jacton Industry

1. Maximum load capacity 2.5 ton, maximum torque 18 Nm.
2. Lift screw diameter 30 mm, pitch 6 mm. Gearbox sizes 167x122x97mm. Center height 45mm, center distance 45mm. Worm shaft diameter 16mm.
3. 6:1, 24:1 gear ratios

3 ton machine screw jacks - Jacton Industry

1. Static load capacity maximum 3 ton, dynamic load capacity maximum 2 ton.
2. Lift screw diameter 32 mm, pitch 6 mm. Gearbox sizes 156x110x130mm. Center height 50mm, center distance 40mm. Worm shaft diameter 18mm.
3. Three worm gear ratios 1/6, 1/12, 1/24.

5 ton machine screw jacks - Jacton Industry

1. Maximum load capacity 5 ton, maximum torque 44.2 Nm.
2. Lift screw diameter 40 mm, pitch 7 mm. Gearbox sizes 210x158x128mm. Center height 61.5mm, center distance 56mm. Worm shaft diameter 20mm.
3. 6:1, 24:1 gear ratios

10 ton machine screw jacks - Jacton Industry

1. Maximum load capacity 10 ton, maximum torque 108 Nm.
2. Lift screw diameter 58 mm, pitch 12 mm. Gearbox sizes 240x202x144mm. Center height 70mm, center distance 67mm. Worm shaft diameter 25mm.
3. 8:1, 24:1 gear ratios

15 ton machine screw jacks - Jacton Industry

* 52 mm diameter lifting screw
* Available in 1:8, 1:16 and 1:32 ratios
* Acme screw 8 mm pitch
* Acme screw material, s45c
* Cast iron housing
* Input shaft (worm), s45c, heating treatment
* Lifting nut (worm gear), bronze
* Self-locking

20 ton machine screw jacks - Jacton Industry

1. Static load capacity maximum 20 ton, dynamic load capacity maximum 8.4 ton.
2. Lift screw diameter 65 mm, pitch 10 mm. Gearbox sizes 255x183x167mm. Center height 70mm, center distance 70mm. Worm shaft diameter 28mm.
3. Three worm gear ratios 1/10, 1/20, 1/40.

25 ton machine screw jacks

1. Maximum load capacity 25 ton, maximum torque 314 Nm.
2. Lift screw diameter 90 mm, pitch 16 mm. Gearbox sizes 354x265x217mm. Center height 102mm, center distance 97mm. Worm shaft diameter 32mm.
3. 32:3, 32:1 gear ratios

30 ton machine screw jacks - Jacton Industry

1. Static load capacity maximum 30 ton, dynamic load capacity maximum 9.6 ton.
2. Lift screw diameter 75 mm, pitch 12 mm. Gearbox sizes 310x230x220mm. Center height 85mm, center distance 100mm. Worm shaft diameter 32mm
3. Three worm gear ratios 1/12,1/18,1/36.

35 ton machine screw jacks - Jacton Industry

1. Maximum load capacity 35 ton, maximum torque 464 Nm.
2. Lift screw diameter 100 mm, pitch 20 mm. Gearbox sizes 435x280x240mm. Center height 115mm, center distance 120mm. Worm shaft diameter 38mm.
3. 32:3, 32:1 gear ratios

1/4 ton screw jack

1. Lifting Force 2.5kN. Under max. lifting force, drive torque high speed 1.2Nm, low speed 0.4Nm.
2. Acme screw diameter 14 mm, pitch 4 mm. Gearbox sizes 60x50x50mm. Center height 25mm, center distance 20mm. Worm shaft diameter 9mm.
3. High gear ratio 1/5, low gear ratio 1/20.

1/2 ton screw jack - Jacton Industry

1. Static load capacity maximum 0.5 ton, dynamic load capacity maximum 0.3 ton.
2. Lift screw diameter 20 mm, pitch 5 mm. Gearbox sizes 119x82x100mm. Center height 38mm, center distance 31mm. Worm shaft diameter 13mm.
3. Three worm gear ratios 1/5, 1/10, 1/20.

1 ton screw jack - Jacton Industry

Jacton jtw-1t 1 ton worm gear screw jacks lift and precisely position loads. Upright or inverted, these jacks operate at full capacity in tension or compression. Available in Translating jack, Traveling nut rotating jack and Anti-rotation Keyed jack designs, they have self-locking, no require a brake or external locking device to hold position.

2 ton screw jack - Jacton Industry

1. Static load capacity maximum 2 ton, dynamic load capacity maximum 1.35 ton.
2. Lift screw diameter 26 mm, pitch 5 mm. Gearbox sizes 135x95x110mm. Center height 40mm, center distance 35mm. Worm shaft diameter 15mm.
3. Three worm gear ratios 1/5, 1/10, 1/20.

2.5 ton screw jack - Jacton Industry

1. Maximum load capacity 2.5 ton, maximum torque 18 Nm.
2. Lift screw diameter 30 mm, pitch 6 mm. Gearbox sizes 167x122x97mm. Center height 45mm, center distance 45mm. Worm shaft diameter 16mm.
3. 6:1, 24:1 gear ratios

3 ton screw jack - Jacton Industry

1. Static load capacity maximum 3 ton, dynamic load capacity maximum 2 ton.
2. Lift screw diameter 32 mm, pitch 6 mm. Gearbox sizes 156x110x130mm. Center height 50mm, center distance 40mm. Worm shaft diameter 18mm.
3. Three worm gear ratios 1/6, 1/12, 1/24.

5 ton screw jack

1. Static load capacity maximum 5 ton, dynamic load capacity maximum 2.85 ton.
2. Lift screw diameter 38 mm, pitch 6 mm. Gearbox sizes 173x122x130mm. Center height 50mm, center distance 50mm. Worm shaft diameter 18mm.
3. Three worm gear ratios 1/6,1/12,1/24.
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