Techniwire Ltd
Unit 4
The Old Sawmills
Colaton Raleigh
Sidmouth
Devon
EX10 0HP
England
Phone 01395 567655
Fax 01395 567556
Mobile 07976 919295
Email neil@techniwire.com
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Press Tools
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Wire E.D.M. has been a revolution in the Press Tool industry. Now, with multi-aperture progression tools, dies can be made from one piece of tool steel, instead of having to split and grind individual pieces to make up the die plate. Backing off apertures and putting land on is an easy task for a wire E.D.M. machine. Complex punches can be cut and then recessed into the punch plate for the perfect line up.
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| Punch Samples |
Progression Strip Samples |
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| Press tool |
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Mould tools
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With the introduction of wire E.D.M. in the mould tool industry, the manufacture of mould tools has changed significantly. Intricate split lines can be cut for the perfect match, up and away apertures are no longer a problem to machine, and inserting the tool for fine detail is now commonplace, instead of machining from solid.
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Extrusion Dies
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Extrusion Dies can be cut using the machine's 4 axis capability. This enables two profiles to be cut at the same time, i.e. a square as one profile and a circle as the other. Then, by linking the two profiles together with a set distance between them, shapes can be produced which would be impossible with any other machining method.
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Gears
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One offs and specials are easily cut using wire E.D.M. as no tooling or set up costs are incurred. With the machine working to tolerances of +/- 0.005mm, the finished gear will be more accurate than one produced by conventional methods.
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Electrodes
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Electrodes can be manufactured with ease using wire E.D.M. Fine detail in copper, graphite or copper tungsten can be cut. Draft angles and spark gap compensation can be incorporated on the electrode to produce roughers and finishers from the same program.
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Production
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Small batch production can be cost effective with wire E.D.M. Sheet metal parts can be stacked to produce many parts in one cut. With no machining forces to distort, the component comes off clean and burr free. It is also the ideal way to develop the shape of pressing blanks before a press tool is cut. This enables the Blank Tool to be cut right first time..
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