Product category:
Electric Linear Actuators
News Release from: Micromech | Subject: Parker Hannifin ETB125
Edited by the Engineeringtalk Editorial
Team on 06 June 2003
Electric cylinder flexes its muscles
The ultra-powerful ETB125 electric cylinder generates up to 44kN thrust and has positioning speeds in excess of 1.3m/s.
The ultra-powerful ETB125 electric cylinder generates up to 44kN thrust and has positioning speeds in excess of 1.3m/s Forming the latest addition to the popular ET series of Parker Hannifin's electric cylinders now available from Micromech, the new ETB125 is based on an exceptionally robust design to ensure durability in high duty cycle applications
This article was originally published on Engineeringtalk on 26 Feb 2001 at 8.00am (UK)
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It is particularly suitable for high power automation and robotics applications demanding continuous use and minimum downtime - the design features sealed tapered roller bearings, and the drive screw nut can be relubricated without dismantling the actuator.
The electric cylinder offers a choice of 24 standard stroke lengths, spanning 100mm to 2.4m.
Furthermore, the cylinder's recirculating ball screw drive is available with a pitch of 5, 10, 20 or 50mm, allowing users to select the optimum characteristics for their particular application.
The 50mm pitch model, for example, can handle positioning speeds in excess of 1.3m/s, and has an efficiency of 99%.
Depending upon the system configuration, the cylinders can achieve bidirectional repeatability to within +/-25um.
Motors can be mounted inline, in parallel or in reverse-parallel with the cylinder, allowing virtually any desired orientation to be accommodated.
The cylinders feature ISO6431-compliant mounting options and can be supplied in any of nine metric ISO mounting styles.
There is also a choice of four different rod end configurations - including spherical eye and clevis - to further simplify system integration.
The cylinders are fitted with a corrosion-resistant ground stainless steel thrust rod, and the extruded aluminium housing features integral grooves for easy mounting of limit and home switches; a comprehensive range of compatible IP67 rated Hall-effect sensors and reed switches is available.
They are ideal alternatives to hydraulic and pneumatic cylinders in high power positioning applications that demand full programmable control.
They are designed specifically to provide a long operational life with minimal maintenance; a unique antirotation mechanism virtually eliminates cylinder rod end-play and reduces noise, and the front screw-support and extra length rod-support bearings withstand side loads and prevent screw whipping, vibration and runout.
The cylinders are rated for operation over a temperature range of 0 to 60C, with a 100% duty cycle.
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