Product category:
Tugs, tractors, trucks, pushers, jacks, trollies, skips, etc.
News Release from: Motion Drives and Controls | Subject: SJM and MAR series screw jack
Edited by the Manufacturingtalk Editorial
Team on 04 December 2007
Screw jacks have wide range of types
Two ranges of screw jacks for vertical lift and positioning use cover a broad selection of standard configurations based upon load and speed requirements with a comprehensive choice of options.
Warwick based Motion Drives and Controls has launched two 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
This article was originally published on Manufacturingtalk on 11 Mar 2008 at 8.00am (UK)
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They also have a comprehensive choice of options and accessories for specialised applications, including low backlash versions.
* Six module sizes - the SJM series is available in six module sizes based upon a 30mm to 100mm nominal centre distance between input shaft and vertical output shaft.
Load ratings through the range are from 10kN to 200kN with stroke lengths up to 6m.
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.
* Long life - 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 10kN rated size.
The larger MAR series is available in four module sizes based upon a 50mm to 200mm centre distance from input shaft to vertical output shaft.
Load ratings are from 30kN to 1000kN with stroke lengths to 4.5m.
A comprehensive selection of options are available for both ranges including the following.
* Bellows protection.
* Protective tubes incorporating lubricant reservoir.
* Anti rotation devices.
* Wear control indicator.
* 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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