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 used for grinding various cylindrical nuts with gothic thread grooves for batch manufacturing
【NC system configuration】
1、SIEMENS 828D, controlling 4 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
Axis A: Swivel of turntable for wheelhead
【Working accuracy】
Thread accuracy
Limit lead error 0.005mm
Accumulative error at a length of50mm 0.009mm
Roughness Ra0.4μm
【Technical characteristics】
1、Adopting 2 units of high speed spindle to conduct rough and fine grinding in one setting
2、Equipped with a formed diamond roller to perform wheel dressing
3、An auto-clamping and manual-clamping mechanism is for users to select
4、A full-closed housing and an efficient centrifugal oil mist exhauster are available
【Main specification parameters】
1、Max. diameter mounted | 50mm |
2、Max. diameter of chuck | 120mm |
3、Max. grinding diameter | 25mm |
4、Min. grinding diameter | 8mm |
5、cylindrical thread | 50mm |
6、Pitch range | 0.5~12mm |
7、Max. helix angle | Left 6°,Right 6° |
9、Thread start number | 1~45(any) |
10、rapid travel speed of table | 6000mm /min |
11、rapid travel speed of wheelstock | 3000mm/min |
12、Work spindle speed | 0.2-60r/min |
13、Max. work spindle speed | 60000r/min |
14、wheel line speed | 30m/s |
15、Wheel size | |
Max. diameter | φ20mm |
Min.diameter | φ6mm |
16、Max. workpiece weight | 3kg |
17、Overall dimension | 2400×2260×2500mm |
18、Weight | appro.4000kg |