Polishing lapping machine SP-1200

flat

PURPOSE • machine is designed for lapping (polishing) of the flat sealing surfaces of the gate valve wedges, valve spools, and сhristmas-tree wedges. TYPES OF MACHINED PARTS • wedges of the gate and christmas-tree valves; • valve (global valve) spools; • end-seal rings of the pumps; • other flat-surface parts. ADVANTEGES ■ Each point of the lapped surface of the parts makes complex plane-parallel motion on the lapping-plate surface. ■ The machines are equipped with the polishing-compound supply device. ■ The spent compound is collected in a special tank. ■ The lapping time is automatically controlled by the timer. ■ The machines are equipped with the smooth start device with the lapping-plate speed adjustment. ■ The machines are designed so that the lapping disc can be adjusted during its operation.