Seiko Instruments Inc. Precision Machinery Division

SEIKO

Machine Tools Internal Grinder Products

Chuck type SIG-Evo1s/2s

SIG-Evo2s is the high speed and high accuracy internal grinder which enables to cover a wider range of grinding subject by improving with two spindles.



High-Precision Internal Grinder SIG-Evo2s

Features

  • Adopt the hydrostatics guides into both slides of workhead and wheelhead.
    Enable to control with high speed and high accuracy by linear motor drive.
  • Succeed high accuracy of seat and bore due to be equipped with built-in type workhead spindle which has bearing combined with hydrostatics and hydrodynamics.
  • Succeed tooling facilitating so as to be possible to grind a given angle taper face with two axis linear interpolation control.
  1. Grinding Specifications
  2. Inside of Machine
  3. Grinding Examples
  4. Machine Dimensions

Go to top of page

Grinding Specifications

  SIG-Evo1s/2s
Max. Outer diameter(mm) φ16
(φ50)
Max. Width(mm) 50
Max. Inner diameter(mm) φ10
(φ20)

The size between parentheses indicates option.

Go to top of page

Inside of Machine

Layout
Inside of SIG-Evo2s

Go to top of page

Grinding Examples

Gasoline-diesel injection nozzles, pumps

Seat processing
Seat processing
Bore processingBore processing

Go to top of page

Machine Dimensions

Machine Dimensions

 

Go to top of page