Die Casting Machines

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Die Casting Machines

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FRIEDRICH + PFUDERER DMZ 25 P Die Casting Machine
Złotów
1 Bid
2,500 €
closed
TIMELINE Scan Station
Solingen
0 Bids
25 €
12/01/2017;14:21
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Buy & sell used die casting machine at Surplex

Index

  1. Die casting machines with innovative technology
  2. Die casting machines with a long tradition
  3. Areas of application and examples of die casting machines
  4. Well known manufacturers of die casting machines
Used die casting machine 01

Die casting machines with innovative technology

The die casting machine is available in two different styles: one is the warm chamber process; the other is the cold chamber process. Both machine types contain a robust machine construction that has a long working life. Die casting machines were originally used in moulding as a special type of tool construction. For the optimal use of a die casting mould, high quality, innovative die casting machines need to be used. These control all processes during the production of die casting components either electrically,
  • Differentiation between cold and hot chamber processes
  • CNC control systems are used for automatic monitoring
  • Manufactures components with smooth and clean surfaces
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pneumatically or hydraulically. In order to increase efficiency, CNC control systems are implemented to automatically monitor and adjust all processes. Important criteria to watch out for when choosing a die casting machine are material circulation, melt-back costs, process costs, cycle time and improvement in the quality of the finished parts. A die casting machine is made out of a mould closing unit that is used to close and open the mould. A fixed standing machine platen holds the casting set and the half of the mould where the material is poured into. The movable machine platen contains the upper half of the mould. The four guiding columns are used to guide the movable machine platen.

Used die casting machine 02

Die casting machines with a long tradition

The first die casting machines were used at the beginning of the 20th Century. Pioneered and developed in the USA, the machine became known under the title of injection moulding. In modern usage, the materials most commonly used for this process are aluminium, zinc and magnesium. The moulds are made out of high-strength hot-work steel. With a pressure of 10 to 200 MPa (megapascal), a molten material is poured into the mould and then quickly pressed and cooled. The mould is permanent and therefore can endure a high amount of pressure. This is particularly the case for the warm chamber process because the pouring unit and the extension cylinder are always in liquid melt.

Used die casting machine 03


Areas of application and examples of die casting machines

The die casting process and its corresponding machines are most commonly used for the manufacturing of components with smooth, clean surfaces and exact edges. Minimal wall strengths, with an exception of those less than 1 mm, are possible. The achievable production tolerances lie within a tenth to a hundredth of a millimetre. Depending on the material used, the working life of the tools can last to about 100,000 shots with aluminium die casting and 500,000 shots for other materials. The industry shot is a term used for a single cast. There are many examples for the application of die casting machines. The main area of application is the manufacturing of machine casings and components. It is also possible to manufacture complex workpieces with a core, if these have been developed according to the requirements of the process.

Well-known manufacturers of die casting machines

Several companies have specialised in the manufacturing of die casting machines. Some of the most recommended suppliers include OSKAR FRECH, COLOSIO s.r.l., URPE, ITALPRESSE, IDRA, BÜHLER, MÜLLER WEINGARTEN DRUCKGUSSTECHNIK


Used die casting machine 04
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