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Rudi Knopp Maschinen GmbH

Niedenbach 47, 72229 Rohrdorf
Telephone +49 7452 91995-0
Fax +49 7452 91995-29

Our range of products

Product categories

  • 02  Glass processing and finishing
  • 02.03  Edge and surface finishing technology
  • 02.03.01  Grinding techniques for flat glass
  •  Grinding techniques for straight edges

Our products

Product category: Grinding techniques for straight edges



  • grinding belt dimension 100×1830 mm
  • optional with rubber contact roller KR-80

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Product category: Grinding techniques for straight edges

Rundomat-N/GF Wet grinding machine variable speed


  • with coolant circulation system incl. water tub and
  • work piece slideway GF for work piece lengths 10-200 mm
  • Grinding belt dimension 120×3000 mm

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Product category: Grinding techniques for straight edges

TS-500 / TS-600 disc grinder


  • For surface machining glass and ceramics with diamond TrizactTM, silicon, felt, abrasive and polishing discs.

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About us

Company portrait

Welcome to Knopp machines!
Since it was founded in 1950 by Rudi Knopp, we are experts in machines for glass and metal processing. Not only does passion distinguish us, but also 65 years of experience and German engineering.

However, we are far from getting on in years. Due to the continuous expansion and modernization of the interior and exterior of the buildings we can meet competitor’s demands more than just adequately and support our equipment with regular presentations at fairs and in close cooperation with our customers.

Of course, the outstanding “Black Forest made Quality Work” is designed by ourselves, and developed, and manufactured on high quality CNC machines.

To support us, we have access to a versatile program of machines:

For glass processing purposes:

Horizontal and vertical belt sanders
Single sided and double sided drilling machines
Sawing machinery
Shell handle grinders
Roller tables for flat glass handling
For metal processing purposes:

Horizontal and vertical belt sanders
Centreless cylindrical grinding and polishing machines
We also offer an extensive range of accessories and auxiliary equipment for virtually all machines.

Naturally, customized special purpose constructions represent no problem for us.

What else is important to us?

We place special emphasis excellent customer service and hold an extensive stock of replacement and wear parts as well as accessories.

We offer a no obligation, qualified customer consultation, demonstration and sample processing as well as a visit to our programme of machines in our showrooms.

Visit us in the beautiful baths of Calw in the Black Forest.

We would be happy to assist you in arranging accommodation.