LSB series equipment includes wide/narrow abrasive belts and abrasive belts for single-sided or double-sided multi-station combination grinding. The equipment can achieve one-pass processing on one or both sides to uniformly remove slag burrs formed by laser cutting, shearing, plasma cutting, flame cutting, stamping, machining, etc. on metal sheets. It is suitable for surface pre-grinding of metal sheets, deburring of holes and edges, and surface brushing.