Sharpening and profiling of hard alloys on various surfaces takes a leading place in modern technology of machine building. For its implementation, our company offers a semi-automatic machine with CNC for grinding carbide profile knives of model VZ-622F4, grinding with high-strength diamond grinding wheels with cooling. Sharpening is automatic. Knife blanks are set manually by the operator. Clamping of blanks is hydraulic.

The assembly of the grinding machine for profile knives is as follows:

  • The front is mounted on the frame with a transverse carriage with a swivel table, on which the mechanism for clamping the workpieces is fixed.
  • On the back of the frame there is a longitudinal carriage with a column.
  • On the movable carriage of the column is fastened the drive of the grinding head, in the case of which the grinding head is mounted.

The processing area is closed by a fence, on the roof of which is attached a turntable, carrying the body of the console on which the control system of the CNC is installed. The hydraulic and lubrication system is mounted in the base niche. Behind the fence there is an electric cabinet, above it there is an oil mist filter. Behind the bed is installed a system for supply and cleaning of coolant with a belt filter, on the left, an aerosol suction system can be installed.

Four controllable displacement axes make it possible to handle products from one installation on all surfaces. This significantly improves productivity by reducing the extra time, increasing the accuracy of the processed product by eliminating the errors that arise when reinstalling the workpiece, and facilitating the operator's work.

On the machine grinding of other shaped products with complex surfaces is allowed with the use of linear, circular, screw and spline interpolation according to controllable coordinates.

Video CNC machine for sharpening of profiled blades VZ-622F4
The parameters marked with (*) are specified at the stage of the technical task coordination.
Product Indicators, machined:
Size of the blank to be installed Max length of the machined workpiece, mm 80
Max width of the machined workpiece, mm 35
Parameters of working and adjustment travels:
Max. working travels along controlled coordinate axes: Max. longitudinal moving of a grinding head wheel head (coordinate X), mm 200±10

Max. vertical moving of a grinding head (coordinate Y), mm 200±10

Max. cross-section moving wheel head (coordinate Z), mm 200±10

Max. corner of turn of a spindle (coordinate A), deg. unlimited

Discreteness of definition of linear/circular movements on of coordinate axes 0,001
Number of controlled axes 4
Performance tool that is installed on the machine:
Dimensions of the installed wheel, mm Max diameter of an installed grinding circle, mm 150
Indicators of primary and secondary movements:
Limits of planimetric speed, m/min 0,01…10,00
Spindle speed, rev / min 2000…6000
Indicators Power of machine:
Power of the main motion motor, kW 2,2
The total capacity of electrical equipment, kW 8,83*
Parameters of accuracy and roughness:
Аccuracy and roughness of samples machining Roughness of machined blade surfaces, μm, Ra≤0,63

Sharpened blade profile deviation from the rated one, mm 0,02
Electrical equipment specifications
AC current frequency, Hz 50±1
Nature of supply AC. 3-phase
Voltage, V 380±38
Dimensional characteristics:
Dimensions (LxWxH) mm 1350х3000х2020 (with separately located equipment)*
Noise level Correspond to the value determined by GOST 12.2.107-80 СН 3223 (GOST 122103).
Weight, kg 1800*

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CNC machine for sharpening of profiled blades VZ-622F4

  • Product Code: VZ-622F4
  • Availability: Pre-Order

Tools made on the machine

  • Knives from high-speed steel for splicing wood
  • Carbide knives

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