LISSMAC systems for metal processing. LISSMAC revolutionised sheet metal treatment by developing its own series of steel brushing, grinding and deburring machines and today belongs to the market leaders in the industry. Our machine technology that won many innovation awards sets benchmarks in sheet metal treatment. Unique to the market is our highly effective processing of both inside and outside contours in a single step. Whether oxide layer removal, deburring or grinding, LISSMAC systems guarantee highly efficient processing times.