Product category:
Positioners, servo drives
News Release from: Motion Drives and Controls | Subject: SJM and MAR
Edited by the Processingtalk Editorial
Team on 03 December 2007
New Screw Jacks for vertical lift and
positioning
Warwick based Motion Drives and Controls has launched two new ranges of competitively priced industrial screw jacks for moderate to heavy-duty vertical lift and positioning applications
Manufactured by the Italian power transmission specialists MTI (Marzorati Trasmissioni Industriali), the SJM and MAR series screw jacks cover a broad selection of standard configurations based upon load and speed requirements with a comprehensive choice of options and accessories to suit specialised applications including low backlash versions The SJM series is available in six module sizes based upon a 30 mm to 100 mm nominal centre distance between input shaft and vertical output shaft
This article was originally published on Processingtalk on 20 Jun 2008 at 8.00am (UK)
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Load ratings through the range are from 10 kN to 200 kN with stroke lengths up to 6 m.
Three standard reduction ratios are available for slow, normal and fast operation to allow vertical speeds up to 3m/min with a choice of four standard spindle and drive nut configurations to drive the load in tension or compression.
Single or double keyed input shafts, or B5/B14 motor mounting for size 56 through 132 IEC motors are also available.
The SJM series is built for long life with 18 NiCrMo 5 UNI 7846, case-hardened steel worm screws and C40 threaded steel drive shafts with bronze wheel and nut components.
The heavy duty bearing system and all contacting parts are fully lubricated, and the robust and durable housing is cast iron for the larger sizes and aluminium for the 10 kN rated size.
The larger MAR series is available in 4 module sizes based upon a 50 mm to 200 mm centre distance from input shaft to vertical output shaft.
Load ratings are from 30 kN to 1000 kN with stroke lengths to 4.5 m.
A comprehensive selection of options are available for both ranges including bellows protection, protective tubes incorporating lubricant reservoir, anti rotation devices, wear control indicator and inductive limit switches.
Special versions with longer stroke lengths, modified mechanical interfacing and other customised features are available to order.
Both SJM and MAR ranges are supported with comprehensive sizing and ordering information brochures available in hard copy of PDF from Motion Drives and Controls.
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