【Main use】

This machine is mainly used to grind precisely thread grooves of small screw for batch manufacturing

【NC system configuration】

1、CNC system

SIEMENS 828D,controlling 3 NC axes

2、NC axis details

Axis Z: Longitudinal table traverse

(With grating scale)        full close-looped

Axis X: Cross feed of wheelhead

(With grating scale)        full close-looped

Axis C: Rotation of work spindle

(With circular grating scale)   full close-looped

【Working accuracy】

Accuracy class obtainable (single-rib)

2π at a periodic pitch                            0.004mm

Over the entire length of screw                    0.006mm

Roughness                                          Ra 0.32μm

【Technical characteristics】

1、Equipped with an automatic clamping mechanism to achieve fast clamping of workpiece

2、An auto-alignment device to match pre-cut thread groove is provided

3、Wheel dressing is conducted by a formed diamond roller to effectively achieve wheel dressing

4、Multi-rib grinding process can make a high production of screw grinding

5、Single-rib grinding process can realize a high precision of screw grinding

【Main specification parameters】