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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

SK7620A Internal Thread Grinding Machine

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Finished parts

【Main use】

The machine is mainly used for grinding nuts for automobile steering screws and ball-screws in massive production

【NC system configuration】

1、FANUC 0iMC or SIEMENS 828D, controlling 3 NC axes

2、Programmable axes are designated as followers

Axis X      Cross-feed of wheelhead             full close-looped

Axis Z      Table longitudinal traverse         full close-looped

Axis C      Rotation of work spindle            full close-looped

【Working accuracy】

Thread accuracy achievable

Limit lead deviation                                     0.005mm

Accumulative error at a length of50mm                    0.009mm

【Technical characteristics】

1、Wheel dressing is conducted by a formed diamond roller

2、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 choose grinding modes between one-way or two-way auto-grinding cycle

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 300mm
2、Max.  workpiece length 200mm
3、Max. thread diameter to be ground 200mm
4、Min. thread diameter of thread to be ground 25mm
5、Max. thread length to be ground 125mm
6、Max. table stroke 460mm
7、Pitch scope 1-24mm
8、Max. helix angle 10°(RH),12°(LH)
9、No. of starts 1~45(any)
10、Speed of work spindle 0.2~100r/min
11、Max. speed of wheel spindle 240000mm/min
12、Wheel size
       Max. diameter φ100mm
       Min. diameter φ25mm
13、Overall dimension (L×W×H) 2270×1550×2000mm
14、Weight approx.5000kg

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