Product category:
Drives, motors and power transmission, couplings, clutches
News Release from: Micromech | Subject: Vertical actuators
Edited by the Manufacturingtalk Editorial
Team on 02 April 2007
Vertical actuators are compact, self
supporting
Made from a closed and therefore torsion-resistant aluminium profile that can withstand large side forces, vertical actuators from Micromech are light and self-supporting.
Vertical actuators from Micromech are of a light, compact and self-supporting construction made from a closed and therefore torsion-resistant aluminium profile that can withstand large side forces by means of a deflection-resistant aluminium profile Due to the generously dimensioned cast housing means this sturdy Z-axis actuator can accommodate high vertical forces up to 1500N
This article was originally published on Manufacturingtalk on 28 Apr 2004 at 8.00am (UK)
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From Micromech, the HZR actuators are available in three sizes 50x50mm, 80x80mm and 100x100mm all with a stroke length of 2 metres.
Speeds up to 5 m/s is achievable, acceleration 10 m/s2, traction forces up to 2.2kN and they can lift a payload of 150 kg.
On each of the three sides of the profile there are groove(s) for mounting tripping plates, limit stops and additional mechanical components.
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Cables can be fed downwards through the large opening in the centre of the profile and at the lower end of the profile there are four screw threads for suspending loads.
The drive can be mounted on either side of the housing.
The stable cast housing with a closed frame structure can withstand very large side forces and bending moments resulting from horizontal acceleration for example.
An integrated cast flange ensures a stable connection to other mechanical components, such as a dual actuator system.
High speeds and repeatability are guaranteed by a wide, slip-free timing belt drive, reinforced by steel tension cords.
A wide area clamp ensures a secure connection between the (non-wearing and non-slip) toothed timing belt and the carriage profile.
The HZR uses the latest type of plastic sheathed rollers mounted on roller bearings to ensure low-friction running.
They can be adjusted by means of eccentric bolts so that the profile is backlash free.
Very high side forces and moments can be applied due to the large roller distances in the stable housing.
The backlash-free guidance is achieved by means of adjustable, plastic sheathed rollers mounted on roller bearings which also provide maintenance free and low noise.
The tensioning station is used to set the required pretension of the timing belt, it is easily accessible and therefore simple to mount and maintain.
The mechanical limit 'stops' consist of stable, closed aluminium brackets each with two damping rubber buffers which can be moved freely along the profile grooves and may be mounted on any side of the profile (except the toothed belt side).
Mechanical or inductive limit switches can optionally be mounted on the covers of the upper and lower sides of the housing.
A cylindrical limit switch (home sensor) may be optionally mounted on the right or on the left side of the housing.
The tripping plates are completely integrated into the profile grooves and can be continuously varied in position.
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