Microfinishing

Providing smart, customised microfinish solutions

Smart Solutions for precision Microfinishing

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microstar

MicroStar Series

Flat finish and process combinations

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centerstar1

CrankStar

High precision crank shafts

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finishing

Superfinish Devices 

Lean Systems

Watch Superfinishing here.

bearingstar

BearingStar

Microfinish of rings, ball and roller bearings.

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View the BearingStar in action here.

endostar

EndoStar

Surface finish for hip joints or spherical surfaces.

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Watch the EndoStar in action here.

nissei

Nissei

Watch the Nissei in action here.

centerstar

CenterStar

Microfinish for all shaft types.

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Watch the CenterStar in action here.

centerstar

CenterStar

Microfinish for all shaft types.

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Thielenhaus

Microfinish: The Technology and Benefits

The MICROFINISH process, also known as Superfinish, is a machining process for improving the surface and geometric form of components, with a precision of up to 0.1 Microns (0.0001 mm). Microfinish employs special finishing stones, finishing tape or cup wheels for extremely precise and controlled removal of material. Light pressure is applied to the component surface across a relatively large contact area, serving to remove the brittle, amorphic layer resulting out of previous processes, such as grinding or hard-turning. Cooling solution serves to dissipate process heat so that no amount of undesired material deformation takes place. Machined materials include metals, ceramics, glass as well as some types of synthetic materials.

Benefits for microfinished components:

Microfinish can be used:

to minimize friction (noise) between components

to improve component durability

to improve sealing capacity

to maintain extremely close dimensional tolerances

to create defined, high precision surface structures, profiles or geometry

Common Microfinishing applications:

Developed by Chrysler in the 1930s, the technology finds widespread use in manufacturing:

Engine components

Fuel injection components

Transmission components

Ball- and roller bearing rings and rolling elements

Pumps

Sensors

Medical applications (balls and cups of artificial hip joints)

Steering components and linear motion

Printing rollers

Aerospace

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