Product category:
Industrial Motors
News Release from: Empire Magnetics | Subject: Abrasive Dustproof Motors
Edited by the Engineeringtalk Editorial
Team on 08 January 2002
Dustproof motors sealed with built-in
O-rings
Empire Magnetics' Abrasive Dustproof Motors are sealed with built-in O-rings, and include optional air fittings for pressurization (up to 15 psi) to lock out contamination
Empire Magnetics is introducing the Abrasive Dustproof Series Motors Abrasive Dustproof Motors are sealed with built-in O-rings, and include optional air fittings for pressurization (up to 15 psi) to lock out contamination
This article was originally published on Engineeringtalk on 2 May 2007 at 8.00am (UK)
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Pancake-style motors are available on a custom basis in large bore or hollow shaft configurations for vacuum, radiation and other harsh environments.
They feature a shaft slinger that prevents abrasive dust from attacking the shaft seal material, which in turn prevents dust from entering the bearing.
Abrasive dust such as grinding debris, carbide powder, glass particles and mineral components destroys seals and bearings, causing motors to fail.
Abrasive Dustproof motors have been designed to overcome these challenges.
They are available in industry standard 23, 34, 42 and 65 frame sizes, and are ideal for industrial operations that use, produce or process powdered materials.
The fiber optics manufacturing process creates many small, abrasive glass particles.
In practice, motors with unprotected bearings fail in less than a month of operation.
Adding seals does not solve the problem.
Motion combines with the abrasive particles to shred the seals, exposing the bearings and resulting in rapid failure.
Abrasive Dustproof motors utilize a system specifically designed to work the abrasive particles away from the seals, significantly increasing product life and reducing down time.
An extremely demanding application is the manufacture of carbide cutting tools.
Shaping the carbide material results in extremely abrasive debris.
The cutting tools must be made in volume production to precise shapes, making them a natural automation application with stepper and servomotors.
Standard motors quickly fail, as the abrasive materials destroy the bearings and seals.
Abrasive Dustproof motors have been operating in these types of challenging application environments for several years.
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