Hot Wire Cutter: Difference between revisions
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[[File:ClarkeHotWireCutter.jpg| | [[File:ClarkeHotWireCutter.jpg|400px|right]] | ||
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=====Description===== | |||
[http://en.wikipedia.org/wiki/Hot-wire_foam_cutter '''Hot Wire Cutters'''] comprise a thin wire which becomes hot enough to cut through some plastic foams once a small low voltage electric current is passed through. The wire is usually [http://en.wikipedia.org/wiki/Nichrome nichrome] resistance wire. | [http://en.wikipedia.org/wiki/Hot-wire_foam_cutter '''Hot Wire Cutters'''] comprise a thin wire which becomes hot enough to cut through some plastic foams once a small low voltage electric current is passed through. The wire is usually [http://en.wikipedia.org/wiki/Nichrome nichrome] resistance wire. | ||
=====Features and Applications===== | |||
They are useful for cutting [http://en.wikipedia.org/wiki/Polystyrene#Expanded_polystyrene_.28EPS.29 expanded polystyrene] and [http://en.wikipedia.org/wiki/Styrofoam Styrofoam] for model making or [http://en.wikipedia.org/wiki/Lost-foam_casting lost foam casting] | They are useful for cutting [http://en.wikipedia.org/wiki/Polystyrene#Expanded_polystyrene_.28EPS.29 expanded polystyrene] and [http://en.wikipedia.org/wiki/Styrofoam Styrofoam] for model making or [http://en.wikipedia.org/wiki/Lost-foam_casting lost foam casting] | ||
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Hot Wire Cutters can be made using thin guitar strings or perhaps fuse wire. Lantern batteries may provide a power source but experimentation is needed with regard to the wire length. A means of varying the voltage and some knowledge of '''[[Ohm's Law]]''' is also useful. | Hot Wire Cutters can be made using thin guitar strings or perhaps fuse wire. Lantern batteries may provide a power source but experimentation is needed with regard to the wire length. A means of varying the voltage and some knowledge of '''[[Ohm's Law]]''' is also useful. | ||
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{{Plastics Forming Buyers Guide}} | |||
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[[Category:Bench Top Equipment]] | [[Category:Bench Top Equipment]] | ||
Revision as of 17:04, 12 August 2016
Description
Hot Wire Cutters comprise a thin wire which becomes hot enough to cut through some plastic foams once a small low voltage electric current is passed through. The wire is usually nichrome resistance wire.
Features and Applications
They are useful for cutting expanded polystyrene and Styrofoam for model making or lost foam casting
Safety Point! The wire becomes hot in use and fumes from melting plastic may be harmful so should be avoided. Use Hot Wire Cutters sparingly in well ventillated conditions.
Hot Wire Cutters can be made using thin guitar strings or perhaps fuse wire. Lantern batteries may provide a power source but experimentation is needed with regard to the wire length. A means of varying the voltage and some knowledge of Ohm's Law is also useful.
Safety Point! NEVER experiment with mains electricity - this can kill!
 
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