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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 precision worm

S7720A Worm Grinding Machine

hits:467 createtime:2017-08-07 14:49:04

Finished parts

【Main use】

This machine is designed to grind cylindrical worms such as ZA, ZN, ZI profile, and to grind trapezoidal screws as well。

【NC system configuration】

【Working accuracy】

working accuracy

when thread start=1(GB)                           Grade 5

when thread start≥2                              Grade 6

when grinding ACME screw within 6mm pitch(GB)     Grade 6

【Technical characteristics】

1、Work spindle speed is stepless due to appliance of frequency converting technology; Workpiece indexing is done automatically; Work spindle center is fixed or dead type to minimize the effect of work spindle accuracy。

2、Thread pitch change is done by exchange gears. A straightedge located at table side can correct accumulated pitch error。

3、Both work table and wheelhead travel along V-and-flat guideways to make a flexible and smooth running。

4、Grinding wheel spindle is supported by high-grade imported rolling bearings, having high rotary precision, good rigidity and convenient maintenance。

5、Wheel dressing is done with a hydraulic automatic wheel dresser, through profile modeling, dress grinding wheel into ZA, ZN and ZI worm profiles。

6、A full-closed cover and an imported oil-mist extractor are provided with the machine to improve working environment。

7、If a CNC wheel dresser adopted, the machine can realize ZA, ZI, ZN, ZK and ZC1 worm profiles。

【Main specification parameters】

1、Max. mounting diameter Φ200mm
2、Max. center distance 750mm
3、Center height 120mm
4、Max. grinding diameter Φ200mm
5、Max. grinding length 500mm
6、Pitch range
   Metric thread 1-24mm
   Inch thread 3-24teeth/inch
   Module thread 1.2π-12π
7、Max. thread lead 150mm
8、Helix angle range ±30°
9、Thread start number 1、2、3、4、5、6、8、10、12、
10、Work spindle speed
    In grinding 0.2-4,0.8-16r/min
    In return 1-5,4-20r/min
    In indexing 4r/min
11、Wheelhead cross traverse 150mm
12、Wheelhead rapid traverse 30mm
13、Wheel spindle speed 1670-2145 r/min
14、Wheel size Φ300-400×10,20
15、Overall dimension (L x W x H) 2600×1900×1800

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