Timely and competent sharpening of the tool prolongs its service life, contributes to the production of high-quality products, reducing production costs. To sharpen a technologically complex tool, our company produces a semi-automatic machine VZ-531F4-04, which performs sharpening of single-pass front and rear worm mills. Sharpening is carried out by abrasive grinding wheel on the front surface with the use of coolant with autonomous feed.

Technological potential of the semiautomatic device makes it possible to produce, using auxiliary options, sharpening multi-tail, tail worm cutters.

Semi-automatic VZ-531F4-04 has a horizontal layout. On the basis of a semi-automatic machine, in whose role the frame stands, a longitudinally moving table is mounted on which the headstock of the article with the workpiece to be processed is mounted. Also on the table are attached the tailstock and the dressing mechanism of the grinding wheel. The grinding head is fixed above from the workpiece and is able to move vertically and transversely and to rotate about the vertical axis by the angle of the flute lifting.

All movable organs of the semiautomatic device are in an absolutely closed fenced work area.

The machine is equipped with CNC SINUMERIK 810D manufactured by SIEMENS. The CNC device, having a modern diagnostic and visualization system, provides:

  • Control of any movements by means of interpolation;
  • Positioning on four axes;
  • Automatic turning of the grinding head;
  • Display in the full screen display of messages and parameters for operator control of the grinding process;
  • Free programming,
  • Information exchange with a high-end computer.

The semi-automatic machine is produced according to the technical specification approved by the Buyer. The enterprise provides an additional service for commissioning and training of the Buyer's specialists. At the request of the Buyer it is possible to develop control programs for processing a specific type of instrument.

Video semiautomatic CNC sharpening hobs VZ-531F4-04


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The parameters marked with (*) are specified at the stage of the technical task coordination.
Product Indicators, machined:
Limits diameter cutters, mm 40...200
Maximum length of Shaft-mounted cutter/tail in mm 250/400
The diameters of the fitting holes, mm 16,22,27,32,
40,50,60
The greatest depth of sanding flute / module, mm 50/14
The limits of the angles of screw head grooves, hail. 0...45
The number of chip grooves, ea. 1...99
The front angle, deg. 0...10
Parameters of working and adjustment travels:
Max. working travels along controlled coordinate axes: Longitudinal travel of table (axis X), mm: 630

Transverse displacement of the carriage (axis Z), mm: 250

Vertical displacement of the caliper (axis Y), mm: 320

Rotation of the spindle workhead axis (A), deg. not limited
Performance tool that is installed on the machine:
Dimensions of the installed wheel, mm Max. diameter of the installed grinding wheel (form 3) with an angle of 20 degrees. according to GOST 2424-83 : 250
Indicators Power of machine:
Grinding spindle drive power, kW 2,2
Dimensional characteristics:
Dimensions (LxWxH) mm 2500×2680×2350*
Weight, kg 7000*

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Semiautomatic CNC sharpening hobs VZ-531F4-04

  • Product Code: VZ-531F4-04
  • Availability: Pre-Order