Raw materials copper and alloy elements are melted together in order to achieve the necessary spectral ranges.
Sand casting is used to produce complex parts in different sizes. We are capable of producing our sand moulds on our own or based on the models, which are sent from our customers as well. With the sand moulds we cast aluminum bronzes and hard copper alloys.
Parmanent Mould Casting
Parmanent Mould Casting is a method, where the hot melt is casted into steel dies. After we die cast our hard copper alloys and aluminum bronzes, we also forge them.
A molten liquid metal is poured into a spinning die. During casting, the die can spin either on a vertical or horizontal axis depending on the configuration of the desired part. The part cools down rapidly, through which a fine grain structure originates. Rings and bearings can be produced with this process.
Some hard copper alloys and aluminium bronzes are produced as round bars in a diameter range from 20 mm to 200 mm. Hollow, square and rectangular bars can also be produced this way. By the use of this process we can produce the bars as long as we desire.
The casted products are heated up to a certain temperature and formed in our presses. As a result the material recrystallizes and we eliminate the inhomogenous texture. In addition we obtain a fine grain structure and the requested size of the material.
Our hard copper alloys and aluminum bronzes are solution hardened and aged afterwards. We also perform stress relief annealing.
This process is made for hard copper alloys, which are applied in wire mesh welding machines to obtain better mechanical properties through cold deformation.