Classification of CNC milling machines:
CNC Longmen milling machine series, digital display and advanced frequency conversion stepless speed change series, precision single side milling machine. Component construction:
All the machine tool components are made of HT300 cast iron, and the guide rails are all manually scraped. After ultra sonic heat treatment, the service life and mechanical performance of the machine tool are increased, and the friction coefficient is minimized. The basic parts of the machine base, column, spindle box, cross slide table and worktable are all made of high strength casting technology, the internal metallographic structure is stable, and the high stability of the base parts is ensured. Through the dynamic analysis and finite element analysis of the machine tool, the structure of the casting is more reasonable and the proper collocation with the stiffener ensures the high rigidity of the foundation. Wide and solid machine tool base, box box column, widening, extended bed saddle, load full support design, structure in line with advanced design concept of material mechanics, etc., can ensure the heavy load capacity during processing. Performance parameter:
(1) the main motor power 11/7.5kW, through the high torque toothed belt drive, does not skid, and can greatly reduce the transmission noise and heat generated;
(2) the main shaft adopts precision angular ball bearings, the standard speed is up to 8000r/min;
(3) high performance grease lubrication spindle bearing, economical spindle head cooling system, effectively control the spindle high temperature rise;
(4) the spindle uses IRD dynamic balancing equipment to correct the dynamic balance of the spindle directly, so that the spindle can avoid resonance at high speed and ensure the best machining accuracy.