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PRODUCTS SHOW
CONTACT US
Tel: 0086 916 2298015
 
Fax: 0086 916 2296146
 
E-mail: export@hjmtc.cn  
 
E-mail: hehengrong@hotmail.com
Complete set of automobile ste

SK7612 Internal Thread Grinding Machine

hits:322 createtime:2017-08-15 15:24:39

Finished parts

【Main use】

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

【Main specification parameters】

1、Max. diameter mounted 150mm
2、Max. diameter of chuck 300mm
3、Max. diameter of thread to be ground 125mm
4、Min. diameter of thread to be ground 20mm
5、Max. thread length to be ground 125mm(cylindrical thread)
6、Pitch 0.5-24mm
7、Max. helix angle 12°L,12°R
8、No. of starts  1~45(any)
9、rapid table traverse speed 6000mm/min
10、rapid wheelhead approach & withdrawal speed 3000mm/min
11、work spindle speed 0.2-85r/min
12、Max. wheel spindle speed 24000r/min
13、Max. wheel velocity 45m/s
14、Wheel size
       Max. diameter  φ60mm
       Min. diameter φ18mm
15、Max. weight of workpiece 15㎏
16、Machine overall dimension (L×W×H) 2400×2260×2500mm
17、Machine weight approx.4000kg

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