Eliminate Residual Magnetism From Workpieces, Tables, Drills, Cutters, Dies, Punthes

WALKER DEMAGNETIZERS Even when residual fields are small, mag- netization in a machine shop can cause prob- lems with mechanical equipment. Forexample, ferrous grit attracted by magnetized tools and dies can cause excessive wear, and magnetized parts in assembly operations may hang up in feed chutes and magazines. The only answer to such problems is demagnetization, which is accomplished by subjecting a magnetized part to a strong re- versing magnetic field to disarrange the mag- netic particles so that the required residual magnetic field is obtained. Walker demagnetizers are designed to ne-...

APERTURE TYPE DEMAGNETIZERS Aperture Type Demagnetizers are widely used to demagnetize tools, cutters, small parts, bearing components, and assemblies. The item is simply passed through theapertureand then removed from the demagnetizing field. Care should be taken to make sure that the workpiece is well away from the demagnetizing field before the demagnetizer is switched off. For production lines, a non-metallic chute may be used to slide the parts through the Walker Aperture Type Demagnetizers are designed to operate on alternating current at 100% duty cycle and are also available as the only...