Universal tool-grinding machines give an opportunity to carry out high-quality sharpening and a repoint of the tool from steel tool, hard-alloy metal and a mineral ceramics. Use of similar devices on production allows to reduce the general expenses, to increase the outputs and to increase quality of production.

For sharpening and operational development of tools of main types including the it is a lot of front, our enterprise offers tool-grinding the VZ-818 machine which can be used on tool production and in other spheres of the industry connected with metal working. Besides sharpening, the device allows to make flat grinding, and also internal and external circular grinding.

The machine is executed on the basis of a welded bed of a box-shaped form with guides and balsas for fastening of the basis of a table. Movement of a table in the longitudinal direction is made in the manual way. Movement of the grinding grandma in the cross and vertical direction is made manually, and the adjusting vertical shift of a head is mechanized.

Main advantages of the VZ-818 machine:
  • great opportunities with a small weight and dimensions;
  • the drive of a table is carried out by a flywheel with gearing;
  • the engine of a circle is turned in the party opposite to a spindle that allows to lower time of read-justment of the machine and expands his technological capabilities;
  • existence of steel roller guides gives the chance to establish on a table heavy details and devices with preservation of accuracy of movement.

Possibilities of the device can be expanded considerably with the help of more than 38 types of extras.

Video Universal Tool&Cutter Grinder VZ-818

Technical proposal
The parameters marked with (*) are specified at the stage of the technical task coordination.
Product Indicators, machined:
Dimensions of the installed grinding wheel: The largest diameter of the workpiece installed in the center pasterns, mm: 200*
The maximum length of the workpiece installed in the headstock center mm: 500**
Max. length of workpiece, mm: 225
* 330 mm using fixtures 3Е642Е.P32
** 1040 mm using fixtures 3Е642Е.P61 and 3Е642Е.P73
Parameters of working and adjustment travels:
The indicators of working and adjustment travels The largest longitudinal travel of table, mm 350
The greatest angle of rotation of the table in the horizontal plane in the middle position, deg.:
- clockwise 45
counter - clockwise 45
The greatest angle of rotation of the table in a horizontal plane on a scale accurate rotation, deg.:
clockwise 8
- counterclockwise 8
The greatest vertical movement of grinding head, mm 200
The greatest transverse movement of grinding head, mm 200
The greatest displacement of the axis of the grinding wheel in the horizontal plane due to eccentric plates, 100 mm
Maximum angle of swivel of the wheel head in the horizontal plane, deg. 360
The largest rotation angle of wheelhead in vertical plane, deg:
clockwise 200
counterclockwise 20

Performance tool that is installed on the machine:
Dimensions of the installed grinding wheel: The largest diameter of the installed grinding wheel, type 1 according to ISO 525-86 (GOST 2424-83), and similar in shape and size elborovyh and diamond grinding wheels, mm: 150 - other types, mm: 125
Indicators of primary and secondary movements:
Spindle speed, rev / min Limits of frequency of rotation of the grinding spindle, min-1 2800;4000;5600;8000
Speed of vertical motorized movement of the grinding head, mm/min 390
Indicators Power of machine:
Power of the main motion motor, kW 0.71/0.85
The total capacity of electrical equipment, kW 0.89/1.03
Parameters of accuracy and roughness:
Accuracy class of the semiautomatic machine to GOST 8-82 В
Roughness of the spline machined surface The grinding face of the abrasive wheel, µm Ra<0.32
The grinding face of the diamond wheel, µm Ra< 0.08
Dimensional characteristics:
Dimensions (LxWxH) mm 1085х1195х1630
Weight, kg 780*

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Universal Tool&Cutter Grinder VZ-818

  • Product Code: VZ-818
  • Availability: In Stock

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