SERVOMECH

Servomech - SJ Model B travelling nut ACME screw jack

Up to 30% duty cycle
ACME screw from 18 to 160 mm
5 to 1000 kN load capacity
14 sizes available

Product description

Travelling nut ball screw for industrial use.

SJ Series are, grease lubricated with an available duty cycle up to 30% over a 10 minute period or 20% over a 1 hour period at 25°C environment temperature

For up to 70% duty cycle, please look at the SJ ball screw product.

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

Gearbox ratios from 1:4 to 1:36
Monobloc gearbox housing, robust and compact shape
Input speed up to 1.500 rpm
Acme screw drive, travelling nut (Model B)
Acme screw 1- or 2-starts

Available options;
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)
Screw jack housing fixing holes (threaded tapped holes on both housing fixing planes or through holes)
Trunnion mount
Protective bellows
Safety nut
Acme thread wear level check

More option 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

Parts	Force max	Max. speed	Static load max	Stroke max
SJ 5	5000 N	50 mm/s	5000 N	500 mm
SJ 10	10000 N	62,5 mm/s	10000 N	720 mm
SJ 25	25000 N	50 mm/s	25000 N	1500 mm
SJ 50	50000 N	50 mm/s	50000 N	2700 mm
SJ 100	100000 N	64 mm/s	100000 N	6000 mm
SJ 150	150000 N	75 mm/s	150000 N	6000 mm
SJ 200	200000 N	85,7 mm/s	200000 N	6000 mm
SJ 250	250000 N	85,5 mm/s	250000 N	6000 mm
SJ 300	300000 N	62 mm/s	300000 N	6000 mm
SJ 350	350000 N	62 mm/s	350000 N	6000 mm
SJ 400	400000 N	64,5 mm/s	400000 N	6000 mm
SJ 600	600000 N	75 mm/s	600000 N	6000 mm
SJ 800	800000 N	60 mm/s	800000 N	6000 mm
SJ 1000	1000000 N	68,5 mm/s	1000000 N	6000 mm