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Servomech MA Model A travelling screw ACME screw jack

  • Up to 40% duty cycle
  • ACME screw from 18 to 100 mm
  • 5 to 350 kN load capacity
  • 8 sizes available

Product description

Travelling screw ball screw for industrial use.


MA Series are high performance oil lubricated with an available duty cycle up to 40% over a 10 minute period or 30% over a 1 hour period at 25°C environment temperature


For up to 100% duty cycle, please look at the MA ball screw product.



Acme screw jacks recommended for intermittent duty cycle
Long life synthetic oil lubricated worm gear
High precision worm gearbox,

Gearbox ratio from 1:4 to 1:32
Gearbox housing designed for better heat dissipation
Input speed up to 3.000 rpm
Acme screw drive, travelling screw (Model A)
Standard acme screw 1- or 2-starts
3 or 4 start screwsavailableupon request


Available options;
Stroke length limit device (magnetic or inductive proximity)
On request, execution with axial adjustment of the proximity sensors position or angular position
Incremental or absolute encoder for positioning control
Prepared for IEC standard motors, AC or DC motors, and brushless servomotors (special motor flange adapter available upon request)
Bronze guides
Stop nut device to prevent the ball screw travelling out of the screw jack housing
Protective tube
Anti-turn device
Trunnion mount
Protective bellows
Worm wheel rotation detector
Safety nut
Acme thread wear level check
Adjustable backlash


More options upon request:
Fixing attachments in stainless steel AISI 303, AISI 304, on request AISI 316
Lubricants for high or low ambient temperature
Lubricants suitable for food industry

Part numbers

Parts Price Force max Max. speed Static load max Stroke max
5000 N 100 mm/s 5000 N 500 mm
10000 N 100 mm/s 10000 N 720 mm
25000 N 200 mm/s 25000 N 1500 mm
50000 N 200 mm/s 50000 N 2700 mm
80000 N 257 mm/s 80000 N 5300 mm
100000 N 300 mm/s 100000 N 6000 mm
200000 N 300 mm/s 200000 N 6000 mm
350000 N 300 mm/s 350000 N 6000 mm


Servomech MA Model A travelling screw ACME screw jack

MA 5

Technical data

Duty cycle 30 %
Force max 5000 N
Max. speed 100 mm/s
Static load max 5000 N
Stroke max 500 mm
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