GOOD ADVICE IS NEVER TOO EXPENSIVE

Naturally, we are pleased when we receive your CAD data ready for pattern making and must only lend a hand where our workflow requires it – and once you have chosen your alloy, there should be no problem in preparing your perfect cast component. We will be happy to support your design process – for example with alloy suggestions with respect to casting properties and mechanical parameters, but we can also inform you of casting-compatible design, the use of cooling elements, the insertion of cores, subsequent mechanical processing, and final prototyping. You see, good advice from us is never too expensive.

Table machining allowances

Table length tolerances

Comparison length tolerances of DIN 1688 (old) and ISO8062-3 (new)

Table geometrical tolerance grades tolerances

PERFECTLY SHAPED IDEAS

Design follows function. The essence of our daily work can hardly be described any better. You have an idea for a component and its functionality within a context. We in turn have an idea on how to produce it. This firstly requires a casting-compatible design, secondly, a perfect model, and thirdly, a likewise perfect mold with everything it entails, i.e. the optimum alloy, the suitable molding sand, precisely positioned cores for hollow spaces, channels, and indentations, regulating cooling elements, and finally a foundry man, who perfectly knows what he does and has a feeling for the process when the desired piece begins to take shape. Accompanying quality tests, surface finishings, and a chipping post-processing complete the image of a perfectly cast item.

ALLOY SELECTION

You know the requirement related to your component best. With our knowledge of the different alloys, we can assist you in meeting these requirements. Every aluminum and copper alloy has its strength, stability, casting properties, price, elongation, and corrosion-resistance – to just name a few. We will gladly advise you, which of these alloys are worth your consideration – with or without (internal) heat treatment. The following alloy data sheets have been prepared for this purpose as an initial orientation for those alloys that we regularly cast. With sufficient volumes, we also offer all other alloys suitable for sand casting. Please see this list thereto:

Light alloy

Secondary alloys
G-AlCu4TiENAC-21100
G-AlSi7MgENAC-42000
G-AlSi7Mg0,3ENAC-42100
G-AlSi7Mg0,6ENAC-42200
G-AlSi10Mg(a)239ENAC-43000
G-AlSi10Mg(b)239ENAC-43100
G-AlSi10Mg(Cu)233ENAC-43200
G-AlSi9MgENAC-43300
G-AlSi11ENAC-44000
G-AlSi12(a)230ENAC-44200
G-AlSi5Cu3MgENAC-45100
G-AlSi8Cu3226ENAC-46200
G-AlSi12(Cu)231ENAC-47000
G-AlSi12CuNiMg260ENAC-48000
G-AlMg3(a)242ENAC-51100
G-AlMg5244ENAC-51300
G-AlMg5(Si)245ENAC-51400
G-AlZn10Si8MgENAC-71100
G-AlCu5NiCoSbZrRR350

Heavy metal

Copper-zinc-alloys
G-CuZn21Si3Special brassCC768S
Copper-tin-alloys
G-CuSn12GBZ 12 (Bronze)CC483K
Copper-tin-zinc-alloys
G-CuSn7Zn4Pb7RG 7 (Red brass)CC493K
Copper-tin-lead-alloys
G-CuSn10Pb10-CPbBz10 (Lead bronze)CC495K
Copper-aluminium-alloys
G-CuAl10Fe5Ni5AlNiBZ (Aluminium-nickel-bronze)CC333G

SIMULATION BEATS TRIAL & ERROR

In the nearly one-hundred year history of Dietermann, our specialists, master craftsmen, and engineers have built up a considerable wealth of experience, which is passed on from generation to generation.

We go a step further by analyzing and optimizing our foundry processes with the aid of complex software tools, which predict what is happening during mold filling and solidification in the sand box. We live the interaction between theory and practice every day in the collaboration between CAD designers, simulation, and the technical departments with their technical know-how. This is the foundation of our success.

Success in this case means stable, safe production processes, high casting quality right from the start, quickly starting new components, and few corrective loops. By the same token, the foundryman learns what is going on in the black box sand mold during casting; and the designer receives pointers for optimizing his component before it’s too late.

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