Internal thread grinding machine SK7612

ball screwCNC

The machine is mainly used to grind thread nuts with gothic grooves, suitable for automobile steering worms and ball screws in batch production。 【NC system configuration】 1、SIEMENS 828D, controlling 4 NC axes 2、Axis X: Cross feed of wheelhead full close-looped Axis Z: Longitudinal table traverse Axis C: Rotation of work spindle Axis A: swiveling of helix angle 【Working accuracy】 Thread accuracy obtainable Limit lead error 0.005mm Accumulative error at a length of50mm 0.009mm 【Technical characteristics】 1、Wheel dressing is made by a formed diamond roller to achieve rapid and precise wheel dressing 2、Adopting a newly-developed workhead structure doubles work spindle speed, thus increasing greatly machine productivity 3、Special-built soft program makes the machine have automatic grinding cycle, wheel dressing and self-compensation for wheel dressing amount 4、Wheel spindle employs a high speed E-spindle 5、Users can use one-way or two-way auto-grinding cycle function 6、Online device for pre-cut thread alignment can be an optional configuration to users 7、Efficient centrifugal oil mist exhauster is available