Universal Belt Grinder part 1

Paul Lousick describes his design for a compact belt linisher which uses a 4” angle grinder and can be used with either a 50 x 914mm abrasive belt or grinding wheels.

The 1200W angle grinder used was purchased from an ALDI store and is similar to those made by Ozito but has variable speeds from 4000–12000 rpm (Slow speed for sanding wood and a higher speed for grinding metal)

The frame is fabricated from square steel tube (SHS) and uses skateboard wheels as belt rollers A telescopic gas strut provides tension and easy replacement of the abrasive belt Belt tracking is adjusted by a screw that tilts the top roller, fig photo

Grinding disks/wheels can also be mounted directly to the angle grinder, but the speed used must be with the maximum permitted for any wheel Shown here with a 100mm dia diamond cup wheel for sharpening carbide cutters. The adjustable support table can be used in either the front position with the belt or at the side with the grinding wheel, fig photo

The fnished components of the belt grinder were spray painted with an epoxy enamel Zinc plated steel tube was chosen and lef un painted where they slide together. Parts of the grinder are shown in photo

The main components of the base frame are fabricated from 40x40x2mm, square steel tube. The