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CONTACT US
Tel: 0086 916 2298015
 
Fax: 0086 916 2296146
 
E-mail: export@hjmtc.cn  
 
E-mail: hehengrong@hotmail.com
Complete set of ball screw pro

S7620A Internal thread grinding machine

hits:352 createtime:2017-08-15 14:03:25

Finished parts

【Main use】

The machine is mainly used for grinding cylindrical, conical,whitworth and circular internal threads。

【NC system configuration】

【Working accuracy】

1、The accuracy of cylindrical Whitworth internal thread ground

Pitch error(within6mm)

adjacent pitch error                            0.003mm

at a length of25mm                              0.005mm

at a length of100mm                             0.006mm

2、Roughness                                    Ra0.4μm

3、Accuracy of cylindrical thread ground

Limit lead deviation                            0.005mm

Accumulative error at a length of25mm           0.008mm

Accumulative error at a length of50mm           0.009mm

【Technical characteristics】

1、Driven by hydraulic,wheel dressing performs dressing automatically.。The operator can shift between one-way or two-way grinding cycles。

2、The precision hydrostatic bearings are used on the wheel spindle

3、A full-closed housing and an oil-mist extractor are provided with the machine

4、The machine is provided with two sets of workpiece speed for users to shift between low range and high range. The wheel spindle speed is stepless

5、The change gears can adjust the pitch to be ground

6、The whitworth thread or circular thread can be dressed with the help of changing different types of dressers

【Main specification parameters】

Copyright of: Shaanxi Hanjiang Machine Tool Co., Ltd.  Record number: 05008229 -1  

 Tel: 0086 916 2296 146      135 0916 8925  Fax:0086 916 2296 146 

Address: Hedongdian Town, Hanzhong City, Shaanxi Province, China   E-mail:export@hjmtc.cn  hehengrong@hotmail.com