Woodworking sanders are divided into three categories: drum type, belt type and disc type.
Drum type woodworking sanding machine adopts drum sanding wood with wound abrasive cloth (paper), there are two types of single-roller type and multi-roller type. In addition to rotating, the drum can also reciprocate axially during processing to reduce the surface roughness of the workpiece. Single-roller sanding machines mostly use manual feeding, and multi-roller workpieces are fed by pressing rollers and upper and lower feeding rollers or conveyor belts. This type of sander is suitable for sanding surfaces such as plank, plywood, particleboard and fiberboard.
Belt woodworking sanding machine Tension the endless endless belt on 2 or 3 pulleys, drive the belt to move continuously, and a tension wheel also makes a small amount of warping to make the belt move laterally. Sanders for flat processing have fixed or moving tables; sanders for curved surfaces use the flexibility of the belt to process the workpiece under the pressure of the template. Broadband woodworking sanding machine has the advantages of high efficiency, can ensure processing accuracy, and simple replacement of abrasive belts. It is suitable for sanding large wood-based panels, furniture panels and decorative panels or panels before and after painting.
The disc woodworking sander uses the sandpaper (cloth) that is attached to the end face of the rotating disc to sand the workpiece. There are vertical and horizontal, single disc and double disc. The workpiece is fed by hand or motor for surface sanding, suitable for manufacturing such as carriages, furniture and wood molds.
