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DMF 4U - 250 Notching machine
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Germany, 46342 Velen-Ramsdorf
DMF 4U - 250 Notching machine
09/01/2025 12:46
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990 €
  1. Definition: Notching Machines
  2. What are notching machines?
  3. Ensure the safety workforces with notching machines
  4. Components of a notching machine
  5. Manufacturers of Notching machines

As a variant of shearing, notching is related to punching. However, while the cutting line of a punching machine is always closed, the notching machine with its open cutting line always cuts the outer edges of the workpiece, which is then further processed through welding or forming. In addition to simple notching machines, such as those found in roofing industry, complex machines with internal stops, hydraulic hold-downs, etc. are common in industrial sheet metal processing. Used notching machines as well as press brakes, guillotine shears, bending machines and much more can be found on the used machinery market at Surplex!

Notching machines are used for the precise cutting of angles on mild steel or alloy. Notching is also an essential operation used to process sheet metal when the edges of a workpiece need to be smoothed in order to prevent interference during the bending process. Most facilitate a quick and precise cutting process, however these devices are also widely used for sheet bending and formatting, with more advanced machines being capable of cutting more complex shapes.

The first notching machine dates back to the second half of the eighties and, despite their relatively young age, they are commonly used within factories today. Due to their simple design and ease of use, each notching machine has a wide application and can be used for punching Z-bars, channel sections and sheet metal angles. In the metalworking industry, notcher machines can be used to either prepare a workpiece for further processing or for the final shaping of tubes and plates.

  • Automatic and manual production techniques available
  • Used in many areas of the metalworking industry
  • Increased productivity with numerical control
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When working with metal, there are an abundance of potential hazards, ranging from the handling of dangerous materials to operating powerful industrial machinery. The sharp ends of metal can be a serious accident waiting to happen, even when employees are wearing protective equipment at all times. Therefore notching machines minimize any potential safety problems by smoothing over a workpiece in preparation for the production process.

Notching machines are compact units, and are mostly made from strong and hard steels. A notching machine consists of various adjustable and non-adjustable fittings, along with a range of interchangeable tools being available depending on the required application. A hydraulic clamping system is used in order to ensure precise cutting results of achieved and holds down workpieces to prevent any sliding or movement during the production process. Both automatic and manual notching machines are used within industry. There are often several notchers included into production lines, which each unit consisting of a slightly different tool or fitting configuration. In such cases, the machines are centrally controlled to allow for automation.

Making sure that notching is carried out correctly is important, as the dimensions and direct positioning of the notch will influence the preciseness of the result, and should therefore always be carried out by an expert. Alternatively, manual notching machines are ideal for connecting and then welding pipes or channel sections together on site.

There are various notching machines available from numerous manufacturers which differ in performance and price levels. The following brands are among the high-quality producers whose used machines can be easily recommended:

  • BAILEIGH
  • DURMA
  • EUROMAC
  • INDUMASCH
  • KNUTH
  • STANZTEC
  • ZOPF