VNII Signal
VNII Signal R&D is applied to manufacture this item
VNII Signal R&D is applied to manufacture this item
VNII Signal R&D is applied to manufacture this item
VNII Signal R&D is applied to manufacture this item
VNII Signal R&D is applied to manufacture this item
VNII Signal R&D is applied to manufacture this item
VNII Signal R&D is applied to manufacture this item
VNII Signal R&D is applied to manufacture this item
VNII Signal R&D is applied to manufacture this item
VNII Signal R&D is applied to manufacture this item
VNII Signal R&D is applied to manufacture this item
VNII Signal R&D is applied to manufacture this item
VNII Signal R&D is applied to manufacture this item
VNII Signal R&D is applied to manufacture this item
VNII Signal R&D is applied to manufacture this item

Machining Process

Grinding of spur and helical gears with the following specifications:

  • Max. outside diameter of the gear to be processed: 260 mm
  • Modulus: 0.5 to 5 mm
  • Helix angle: ±450
  • Face width: max. 150 mm
  • Max. outside diameter: 260 mm
  • Gear shaft length: 490 mm at the most

Grinding of internal and external threads, including multiple and nonstandard threads with the following specifications:

  • Max. thread profile: modulus 12
  • Thread pitch: 0.3 to 300 mm
  • Max. thread angle: ±500
  • Number of starts: 1 to 99
  • Max. weight of workpiece: 250 kg
  • Max. thread/worm diameter: 250 mm
  • Max. internal grinding length: 60 mm
  • Max. external grinding length: 580 mm
  • Center-to-center length: 1150 mm

Centerless grinding is performed using state-of-the-art NC machine tools, including both traverse and plunge grinding:

  • Workpiece diameter: 1.5 to 50 mm
  • Max. plunge grinding length: 125 mm
  • Grinding wheel speed: 30 m/s
  • Variable speed of regulating wheel: 10 to 150 rpm
  • Speed of control wheel dressing: 250 rpm

Honing

State-of-the-art equipment ensures high quality, efficient, and accurate finish cutting of the holes of the following diameters: from 1.5 to 165 mm (manual mode), from 1.5 to 101.6 mm (automated mode), and also provides stroke length of 6 to 179 mm.

  • Max. workpiece weight: 5 kg
  • Max. workpiece length: 170 mm

Speed of honing stones and also length and speed of stroke are adjusted and preserved to reduce the risk of human error. The advantages of the machine tool are as follows:

  • Efficient machining of hard materials
  • Clamp-free machining that eliminates the risk of breakage of the workpieces with thin walls during machining

The honing tool is selected and purchased, and tooling package is designed and manufactured according to workpiece dimension type and material.

Sheet metal bending

  • Max. bending length: 2580 mm
  • Max. bending force: 80 kN when bending with internal radii of 1/3/6 mm

Pipe bending using pipe-bending machine with the following specifications:

  • Bending angle: 0 to 180˚
  • Pipe rotation: 0 to 360˚
  • Max. pipe diameter: 60х3.2 mm (steel σв=450 N/mm2) / 50.8х2.0 мм (steel σв=700 N/mm2)
  • Max. bending radius along axial line: 225 mm
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