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Now available from Micromech is the Alpha gearhead solution combining a rack and pinion with their planetary gear allowing feed rates of
In fact Alpha is one of the few global companies to offer quality level 5 rack and pinion systems that have a repeatability of less than 2 microns and a cumulative pitch error less than 2/3 of a ballscrew.
In addition to exceptional accuracy, these rack and pinion systems remain extremely rigid due to electronic pre-load.
It is expected with any Alpha gear-head there will be superb quality and these ranges are no exception.
They have a weight and space-saving mounting method through compact gear reducer design with integrated pinion and all mounting surfaces are ground to tight tolerances resulting in flexible mounting options.
The designers have optimised smooth and low noise level due to the pre-assembled gear pinion units with helix angle 19degrees 31' 42'', pressure angle 20degrees and high concentricity (RTP version < 10um).
Maintenance is minimised having high reliability because of wear-resistant surface treatment and individually de-burred gear teeth.
The clever compact, optimised design with its low mass moments of inertia results in maximum possible feed dynamics with short acceleration times.
The engineers have maximised precision for lifting axes, through the positive connection of pinion and a ultra-high linear accuracy because of minimum total pitch error (12um /
The range also has maximum operational safety because of their high overload capacity.
Using the familiar Alpha gearheads TP and SP, the rack and pinion arrangement provides the following performances:.
TP 004, 010, 025.
Max accel torque = 32 to 300 Nm.
Max tangential force = 1160 to 8078 N.
TP 050.
Max accel torque = 500 to 650 Nm.
Max tangential force = 7854 to 13174 N.
SP 060, 075, 100.
Max accel torque = 32 to 250 Nm.
Max tangential force = 1675 to 10244 N.
SP 140.
Max accel torque = 400 to 450 Nm.
Max tangential force = 10500 to 14100 N.
For more information about these products please contact Alan Spinks at Micromech.The news come from http://www.bossgoo.com/
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