Product category:
Drives, motors and power transmission, couplings, clutches
News Release from: Parker Hannifin | Subject: MH and SMH series high torque motors
Edited by the Manufacturingtalk Editorial
Team on 03 July 2002
High torque motors are fast and powerful
movers
Twenty-three innovative high torque density motors, with continuous torque ratings from 0.2 to 90Nm, provide ultra-fast acceleration/deceleration.
Parker Hannifin's Electromechanical Division has launched two families of high-performance brushless synchronous servo motors, known as the MH and SMH series Both families offer a wide choice of configuration options and are primarily intended for applications that require high levels of dynamic performance or extremely tight synchronisation characteristics
This article was originally published on Manufacturingtalk on 14 May 2001 at 8.00am (UK)
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The MH series motors have 'classical' windings and are available with a very wide choice of power ratings to suit diverse applications.
The SMH series motors feature special 'salient pole' windings to maximise torque, and are particularly suited to applications that demand ultra-fast acceleration and deceleration characteristics.
All MH and SMH series motors are three-phase designs that use high quality neodymium iron boron magnets, and are equipped with resolvers and winding-embedded temperature sensors to provide direct feedback to the servo drive.
Further reading
Din rail power module plugs into mains
Parker Hannifin has introduced a plug-in power module for its range of DIN rail mounting stepper drives that allows direct-on-line operation from standard single-phase AC mains.
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Parker Hannifin's Electromechanical Division has launched a CANbus interface option for all its latest-generation intelligent stepper drive products.
MH series motors cover an exceptionally wide power range - there is a choice of 20 models in five frame sizes, spanning 56 to 205mm, with up to five different winding ratings.
Stall torques range from 0.2Nm to 90Nm, with peak torque ratings as high as 400Nm.
The motors have a conventional finned housing, offer a choice of flange type and shaft diameter, and are available in IP64 or IP65 rated versions if required.
The two smallest motors in the series are 4-pole designs, while the 105mm, 145mm and 205mm frame size motors have 8 poles.
These three larger models can be supplied with standard, medium or high inertia rotors - which significantly eases application matching - and can optionally be equipped with shaft-driven or separately motorised cooling fans.
The 105mm and 145mm motors are also available as 'EEx e' increased safety versions, for use in hazardous environments.
The SMH series motors offer a choice of 60mm, 82mm and 100mm frame sizes, with up to three different winding ratings.
All motors in this series are 'salient pole' designs that are capable of generating up to 30% more torque than motors using conventional technology - even the smallest unit has a stall torque rating of 1.4Nm.
The motors are fitted with 8-pole rotors, and use a special thermally-conductive resin to help transfer heat away from the windings.
Different models in the series offer a choice of flange type, based on a recessed design that simplifies the installation of a gearbox, and a choice of shaft diameter, with an optional keyway.
All SMH series motors have a smooth external finish to help prevent retention of surface contamination, and are available in IP64 or IP65 rated versions which are ideal for washdown applications in the food processing industry. Request a free brochure from Parker Hannifin ...
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