Trapezoidal worm gear screw jack - MA model B

High-performance series Screw jacks with travelling nut 

The MA trapezoidal screw jacks have an improved design for higher loads and tasks. Eight models are suitable for lifting loads from 5 to 350 kN, and linear speeds of up to 300 mm/s are possible. The maximum duty cycle is up to 40 % in a 10-minute cycle and, depending on load guidance and speed, strokes of up to 6 m are possible.

Standard options include electric motors, safety nuts, protection tubes, bellows, trunnion mounting, anti-rotation, microswitch, wear detection and adjustable backlash.

Features 

Trapezoidal spindle from Ø 18 mm to Ø 100 mm
Load capacity from 5 kN to 350 kN
8 standard sizes available

The worm gearboxes are lubricated for life with synthetic oil and are available with reduction ratios from 1:4 to 1:32
The special housing design facilitates heat dissipation
Input speed up to 3,000 min-1
Trapezoidal spindle 1, 2, 3 or 4 common for precise power adjustment

Available accessories (*):

Incremental or absolute encoder for position control
Motor interface for electric motors (standard IEC connection. Customized connections by means of flange / motor holes possible on request)
Pivot bearing plate, bellows, monitoring of worm wheel rotation, wear monitoring of the trapezoidal thread, safety running nut,...

Further options on request (*):

Trapezoidal spindle and mounting connections in stainless steel AISI 303, AISI 304, AISI 316
Lubricants for the food industry
Lubricants specifically for high or low temperatures

(*) Please check the compatibility and usability of the accessories with our application engineers.