Wire drawing dies are generally fabricated using__________________?
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Answer: C. Carbides
Explanation
Carbide dies exhibit exceptional hardness necessary to withstand severe frictional forces. Superior wear resistance prevents dimensional changes during high-speed wire drawing processes. Cemented carbides maintain their structural integrity under intense mechanical and thermal stress. Wire drawing involves pulling metal rods through progressively smaller tapered die openings. Tungsten carbide particles bound with cobalt form extremely tough composite materials. Hard dies reduce downtime by extending operational lifespans in manufacturing plants.
Electrical cable manufacturing relies heavily on carbide dies for uniform wire production. Metal fabrication industries use hard tooling to maintain tight dimensional tolerances. High-stress extrusion processes also utilize carbide inserts to prevent rapid wear. Mild steel lacks sufficient hardness and would deform rapidly during wire drawing. Stainless steel would wear down quickly and scratch the surface of drawn wires. High carbon steel can wear out too fast compared to advanced cemented carbides.
- Subject
- Engineering
- Category
- Chemical Engineering
- Topic
- —
- Difficulty
- medium
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