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Throughfeed finishing
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 Contact Information
Superfinishing machines for the bearings industry
Karl-Heinz Richber
 · Phone: +49(0)7834-866-114
 · E-Mail: k.richber@supfina.com
 
Superfinishing machines for the automotive industry
Gerhard Rudloff
  · Phone: +49(0)7834-866-103
  · E-Mail: g.rudloff@supfina.com
Throughfeed Superfinishing
Superior workpiece quality in regards to load bearing capacity, efficiency, smoothness of running, operational safety, and, last but not least, longevity, requires superior surface finishing of these workpieces. By logical extension, this means continuous adaptation and optimization of existing production processes.

Workpieces for Throughfeed Finishing


In many instances, throughfeed finishing is an economical process for cylindrical workpieces. For these types of components, Supfina offers proven Superfinishing machine concepts, which can easily be integrated into your production processes. They are economical and give your workpieces the "final touch".

This makes the Superfinishing process, which is typically the last and therefore the quality-determining process, ever more important.

Throughfeed Superfinishing allows the targeted influencing of the following parameters:

  • Reduction of surface peak-to-valleys and increase of material contact area to over 90%, due to the plateau-like surface structures
  • Improvement of roundness, creation of microgeometries with particular applications, (e.g., cylindrical ball shape or full ball shape of cylindrical or tapered rolls, respectively)
  • Optimization of tribological properties through criss-crossing finishing marks.

Examples of throughfeed Superfinishing, along with our production solutions, are presented on the following pages.

Supfina 470 / 474 / 478
Supfina 470 Superfinishing of cylindrical workpieces, such as cylindrical and tapered rolls

Designed for the throughfeed finishing of cylindrical workpieces of up to 200mm in diameter, depending on the feed cylinder system. Flexible application possibilities for all workpieces of rotational symmetry, such as bearings, rocker shafts, and axial pistons.
(pdf) ->
Supfina 470
 
 
Supfina 490
Supfina 490 Centerless Superfinishing of cylindrical workpieces by throughfeed or plunge-finishing

Designed for the throughfeed or centerless plunge finishing of cylindrical workpieces with diameters of 2 to 70mm, depending on the feed cylinder system.Flexible application possibilities for all workpieces with rotational symmetry, such as needles, axles, and bearings.
(pdf) ->
Supfina 490