Fax: 0086 916 2296146
E-mail: export@hjmtc.cn
E-mail: hehengrong@hotmail.com
- Main use
- NC system configuration
- Working accuracy
- Technical characteristics
- Main specification parameters
【Main use】
This machine is mainly designed and made for grinding various cylindrical nuts with gothic thread profiles for batch manufacturing
【NC system configuration】
1、SIEMENS 828D, controlling 3 NC axes
2、CNC 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】
Thread accuracy
Limit lead error 0.005mm
Accumulative error at a length of 50mm 0.009mm
Roughness Ra0.4μm
【Technical characteristics】
1、Employing an E-spindle of high speed for wheel spindle
2、Equipped with a formed diamond roller to conduct wheel dressing
3、Manual or automatic clamping mechanism is for users to select
4、A full-closed housing and an efficient centrifugal oil mist exhauster are
【Main specification parameters】
| 1、Max. diameter of chuck | 120mm |
| 2、Max. length of workpiece | 50mm |
| 3、Max. grinding diameter | 25mm |
| 4、Min. grinding diameter | 8mm |
| 5、Pitch of thread to be ground | 0.5～12mm |
| 6、Max. thread grinding length | 50mm |
| 6、Max. helix angle | Left 6°,Right 6° |
| 7、Thread start | 1～45(any) |
| 9、Work spindle speed | 0.2-60r/min |
| 10、Max. speed of work spindle | 30000r/min |
| 11、Wheel size | |
| Max.diameter | φ20mm |
| Min.diameter | φ6mm |
| 12、Max. weight of workpiece | 3kg |
| 13、Overall dimension (L x W x H) | 1600mm×1700mm×1900mm |
| 14、Weight | 2500㎏ |
