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Linear motion Ball screw jacks
Locking bushes Clutches & Brakes Panasonic products Torque limiters Linear motion Gears/geared motors Screw Jacks Signalling & Displays Mail: sales@techdrives.co.uk?subject=Enquiry from Techdrives Website

Model

Max force KN

Ball screws

MA BS 5

10

5
10

16 x 5 to 16 x 16

25 x 5 to 25 x 25

25

50

25

50

32 x 10 to 32 x 32

40 x 10 to 40 x 40

100
150

100
150

50 x 10 to 50 x 20

63 x 10 to 63 x 20

200
350

200
350

80 x 10 to 80 x 20

100 x 16 to 100 x 20

MA BS ball screw jack travelling nut

MA BS & SJ BS TRAVELLING NUT

These two series of ball screw jacks feature the ball nut externally mounted to the ball screw.  The MA BS is oil lubricated for forces 5 to 350kN and 100% duty, maximum input speed 3000 r/min.  The SJ BS is grease lubricated for forces 5 to 400kN and 70 % duty, maximum input speed 1500 r/min.

MA BS ball screw jack with travelling screw

The new ranges of Servomech ball screw jacks suit heavy duty applications with medium to high linear speeds.  Combining ball screw with screw jack technology suits cases where you need:

- high efficiency from 65 to 90%
- high duty cycles up to 100%
- longer operational life
- reduced power requirement
- more compact dimensions

Typically ball screw jacks will be chosen if duty cycles exceed 40%, speeds are in excess of 100mm/s or if more compact dimensions are required.  The lower cost option of acme screw jacks suits duties up to 30-40% and speeds from 0.2 to typically 100 mm/s, but can run faster.  See the quick selector download for more information.

Typically ball screw jacks will be chosen if duty cycles exceed 40%, speeds are in excess of 100mm/s or if more compact dimensions are required.  The lower cost option of acme screw jacks suits

These are three different types of ball screw jacks.

MA BS SERIES TRAVELLING SCREW

This patented design has the ball screw inside the casing where lubrication can be optimised.  Linear speed range is 0.1 to 250mm/s with forces from 5 to 350kN.  Maximum input speed is 3000r/min and duty cycle 100%

BALL SCREW JACKS FOR HIGH PERFORMANCE WITH
HEAVY LOADS

HIGH SPEEDS, HIGH FORCES, 100% DUTY

LINKS:

DOWNLOADS

MA BS ball screw jack with travelling screw

A full range of options is described in the catalogue including:

- ball screw accuracy grades 5 or 7
- bellows
- safety nuts
- limit switches
-covers
-encoders

Model

Max force KN

Ball screws

HS10

HS25

10
25

25 x 5 to 25 x 25

32 x 10 to 32 x 32

HS50

HS100

50

100

40 x 10  to 40 x 40

50 x 10 to 50 x 20

HS150
HS200

150
200

63 x 10 to 63 x 20

80 x 10 to 80 x 20

SJ BS ball screw jack travelling nut

High speed ball screw jacks

HS HIGH SPEED BALL SCREW JACKS

The HS series uses bevel gears as an alternative to the worm designs in the MA and SJ series.  The results with bevel ratios between 1:1 and 1:4 are higher linear speeds up to 1m/s.  Forces range from 10 to 200kN, duty cycles up to 100% and maximum input speed 3000 r/min.  We can supply the HS ball screw jacks complete with servo motor and controller.

HS high speed ball screw Jacks

Model

Max force KN

Ball screws

MA/SJ BS5

MA/SJ BS10

5
10

16 x 5 to 20 x 20

25 x 5 to 25 x 25

MA/SJ BS 25

MA/SJ BS 50

25

50

32 x 10 to 32 x 32

40 x 10 to 40 x 40

MA/SJ BS 100
MA/SJ BS150

100
150

50 x 10 to 50 x 20

63 x 10 to 63 x 20

MA/SJ BS 250
MA/SJ BS 300

200
350

80 x 10 to 80 x 20

100 x 16 to 100 x 20

SJ BS 400

400

120 x 20

MA BS ball screw jack travelling screw

SJ BS ball screw jack travelling nut