Tool and mould making

Machining with short lead times

Thinking in solutions for the challenges of the tool and mould making
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Pokolm Premiumtools has the right tool systems for the tool and mold making industry.

Tool and mould making is represented in almost all industries. The automotive industry is by far the largest customer, followed by high-tech sectors such as aerospace and medical technology. However, the electronics, consumer goods and plastics industries also require tools, molds and dies for mass production.

Challenging tasks have to be solved on a daily basis for the various sectors. Rising material and energy costs and global competition are putting companies under pressure. Delays and bottlenecks in the procurement of raw materials and components for rapid model changes pose a further challenge. In addition, the demands on the surfaces of the end products are increasing. Solutions are needed to ensure the efficient production of as many components as possible with complex surfaces (geometry, look and feel).

Challenges

  • In dem Bild wird ein Umformwerkzeug für die Außenhaut eines Porsches gezeigt. Dies wurde mit Pokolm Werkzeugsystemen gefertigt.
  • Ein Vollhartmetallfräser von Pokolm steht über einem kupferfarbenen Bauteil, in dem Löcher reingebohrt wurden.
  • Ein Spritzgussteil in Form einer Stoßstange. Die Form wurde mir Pokolm Werkzeugsystemen gefertigt.

Forming tool

The production of a forming tool for the outer skin of a Porsche begins with the CAD design, in which the geometry is precisely laid out and factors such as material flow and springback are taken into account. The tool is then manufactured from high-strength tool steel or cast iron and reworked to ensure the highest surface quality in the forming process. When milling such tools, the high hardness of the materials and the large dimensions pose particular challenges. Special milling tools and optimized cutting strategies are required to minimize wear and achieve precise results.

Electrode

To produce a graphite electrode, petroleum coke and pitch are carbonized at high temperatures and formed into a solid block. The material acquires its conductive and mechanical properties through graphitization at approx. 2500 °C. When processing graphite electrodes, the high level of tool wear and heavy dust generation pose major challenges. The abrasive material quickly wears down cutting tools. In addition, effective extraction or a wet machining strategy must be used to avoid health risks and contamination of the machines.

Bumper

Plastic bumpers are manufactured using the injection molding process. Molten plastic is injected under high pressure into a mold that corresponds to the desired bumper shape. Manufacturers want to produce as many end products of the same quality as possible with a precisely manufactured mould. This is why the mould is usually made of hardened steel or, in the case of pre-series or prototype molds, aluminum. In contrast to easy-to-machine aluminum alloys, hardened steels place the highest demands on the milling strategy and tool life. Added to this are complex component geometries and sometimes deep cavities.

We meet the high demands of the tool and mould making with excellent products and consulting services.

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