Long-carriage drive extends options
A
Hepcomotion product story
Edited by the Engineeringtalk editorial team
Oct 23, 2007
The SBD uses a flush, stainless steel cover strip that runs the entire length of the aluminium beam which houses the linear guide and belt.
The introduction of a long-carriage version of the HepcoMotion SBD (sealed belt drive) considerably extends the application potential of the linear system.
As well as offering higher capacity it is more rigid and enables a Z-axis to be mounted without the need for further support.
And for those seeking a streamlined system with the ability to accommodate multi-directional loads it provides a good solution.
These benefits are in addition to those inherent in the SBD design, whose purpose is to meet the needs of high loads and demanding duty cycles.
SBD incorporates a sealing method that prevents the ingress of dirt and debris into the system.
It uses a flush, stainless steel cover strip that runs the entire length of the aluminium beam which houses the linear guide and belt.
There are two versions of the system.
The standard version suits general engineering use while a clean-room alternative is certified by the Fraunhofer Institute.
The long-carriage option is available on both versions.
Its increased load capacity is largely thanks to two HepcoMotion LBG bearing blocks in the carriage instead of one.
In addition to providing the strength to take a dynamic load of up to 68,800N this dual design is also suitable for applications involving moment and offset loads, up to a maximum of 4212 and 848Nm respectively.
With higher capacity the life expectancy is longer and in many applications it will remove the need to install units in parallel to achieve the required load carrying capacity.
80mm and 100mm beam widths are available and single-beam lengths are supplied up to 6m.
Longer units can be constructed by joining.
Units are suitable for high-speed operation, generally up to 4m/s and are driven by a polyurethane steel re-inforced tooth belt.
The re-circulating type linear guide employed by this range is from the HepcoMotion LBG caged and silent range, which combines higher loads with quiet and smooth movement.
The SBD clean-room version meets the standards of ISO14644-1.
It differs from the standard product in its sealing method.
A super-smooth HepcoMotion LBG caged linear ball guide and belt drive are housed inside an anodised aluminium beam and enclosed by a stainless steel cover to provide superior protection.
The sealing arrangement is enhanced by vacuum extraction to minimise particle escape.
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Tel +44 1884 257000
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