What types of woodworking sanders are there?

What types of woodworking sanders are there?

(1) Ordinary sanding machine
Ordinary sanding machines have low power, light frame, compact and light weight, small sanding roller, relatively small sanding force, easy to be damaged by overload operation, but the price is relatively low, suitable for small-scale production.
(2) Heavy-duty sanding machine
Heavy-duty sanding machine has high power, heavy frame, large and heavy model, large sanding roller, large sanding force, strong and durable, but the price is about 30% higher than ordinary sanding machine, suitable for large-scale production.
(3) Elevated sanding machine
Elevated sanding machine is a sanding machine developed and produced for plate edge sanding based on heavy-duty sanding machine. The workbench lifting height can be adjusted within the range of 0-650MM, and the lifting range of customized machine can be more than 1 meter.
(4) Double-sided sanding machine
A sanding machine that sands two sides at the same time has a complex structure, inconvenient adjustment, and high cost. It is only used by large-scale plate processing enterprises.
(5) Primer sanding machine
A sanding machine specially used for polishing primer.