Karl Buch Walzengiesserei GmbH & Co. KG

Postfach 210164, 57025 Siegen
Auf den Hütten 7, 57076 Siegen
Telephone +49 271 7003-134
Fax +49 271 7003-100

This company is co-exhibitor of
Comerio Ercole S.p.A.


Hall map

K 2016 hall map (Hall 16): stand F21

Fairground map

K 2016 fairground map: Hall 16

Our range of products

Product categories

  • 03  Machinery and equipment for the plastics and rubber industries
  • 03.10  Parts and components
  • 03.10.003  Rolls
  • 04  Services for the plastics and rubber industrie
  • 04.05  Subcontracting


Our products

Product category: Rolls


We manufacture:


Cast iron rolls for flat products and profiles in the iron and steel industry
Cast iron rolls for the rubber and plastics industry
Roller shells and rings for the brick and tile industry
Special Constructions


Our strong points:


High precision of shape, surface, deep drilling and true running
Hot grinding at temperatures of more than 200°C
High precision surface profiles through CNC-controlled grinding


We are now in a position to offer you the well-known, proverbial ”BUCH precision” also for regrinding your rolls.

After previous agreement we are able to handle your order within a short period of time, with the following possibilities:


Cold and hot grinding with any surface finish, superfinish, polish-ground or dull-ground
High-precision crown grinding, CNC-controlled
Grinding of new rolls and regrinding of rolls, also including hard chrome plating
Optimal true running and perfect shape

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Product category: Rolls

Roll Service

Apart from re-machining the repair of rolls is also part of our business activities. This includes among others:

Neck repairs by welding, metallizing and re-casting
Modification of rollsCold-, hot-, superficial grinding of the barrel, surface roughness up to Ra=0,02 µm
Inside and outside cleaning of the roll (calender rolls)
Check-up and cleaning of the peripherical drills (calender rolls)
Replacement of closure systems (calender rolls)
Surface treatment (calender rolls)

With our state-of-the-art installations we can grind rolls with a diameter of up to 1,600 mm and a total length of 11,000 mm. We carry out deep-hole drilling up to a diameter of 400 mm and a maximum length of 11,000 mm.

Please contact us; promptness and flexibility are our strong points.

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About us

Company details

Our company, the KARL BUCH Roll Foundry Gmbh & Co. KG, was founded in 1855. Since then, KB rolls have been a hallmark of quality and reliability in this special field.
Our efforts are devoted to the technical progress in the field of roll manufacture. We supplement empirical knowledge with grounded scientific research and development. We employ the most modern procedures of metallurgy when casting, treating, machining as well as testing and measuring our rolls.

In all stages of the manufacturing process we set great store by the utmost care. Thus, we are in a position to meet the highest demands and to provide solutions to special requirements. The knowledge and experience of our staff contribute to this capability.

BreitbandFor 2500 years the Siegerland region of Germany has been known for its tradition in iron production and ironwork. These years moulded many generations and the today’s generation can even benefit from this valuable heritage of knowledge.

We would be pleased to make your acquaintance.

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