Screw profile grinding
GR 250


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The latest innovation of Samputensili is the GR 250, a screw grinding machine for worm screws with a maximum diameter of 250 mm and length up to 550 mm.

This grinding machine is equipped with a double table which eliminates downtimes almost completely.

Loading / unloading operations and measuring of components are performed in masked time. Since these operations do not affect cycle time, the entire lot productivity improves significantly. The changeover time is very fast, therefore the tool spindle works constantly on the workpiece.
The grinding machine GR 250 is equipped with Siemens Sinumerik 840D SL Numerical Control with an integrated operator panel and Samputensili software, characterized by high-precision geometrical programming and an intuitive and user-friendly interface.
Furthermore, the Samputensili GR 250 can easily interface with every type of automation. Particular attention has been paid to solutions which allow the reduction of changeover therefore considerably increasing the production speed and flexibility.

Since 1949 Samputensili strive for precision and excellence offering suitable solutions to make customer’s manufacturing more efficient. Our engineers and employees believe products need to completely fit the needs of our client always offering the most innovative technology.
With Samputensili machine tools is possible to grind different worms suitable for any worm gear sets according to client needs and specifications. There are many uses depending on the mechanical efficiency required by the industry and Samputensili has the capability to grind the widest range of worms.

Technical Data

Model GR 250
Workpiece diameter, max. mm 250
Module Range 0.5-5
Workpiece length, max mm 550
Max. weight kg 40
Grinding wheel diameter mm 230-400
Grinding wheel width mm 20-40
Controls Siemens Sinumerik 840D
Machine dimensions LxWxH 3.85×2.4×2.75 m

Catalogue Downloads

GR 250 – GW 250 Download