FAQ of TC Dies

• Use proper lubrication (wet emulsion/oil or dry soap).

• Control inlet wire condition (clean, scale-free).

• Optimize reduction ratios (avoid excessive per pass).

• Maintain cooling and alignment in the machine.

• Regularly inspect and refurbish dies before excessive wear.

• Match geometry to your specific process parameters.

If you have a particular application (e.g., steel grade, machine type, production volume), feel free to share details for more tailored advice!

Key customizable elements include:

• Entrance angle (typically 60°–90°).

• Reduction/approach angle (6°–18°, often 8°–12° for ferrous).

• Bearing length (0.2–1.5 × hole diameter).

• Exit/back relief angle (30°–60°). Optimized geometry reduces wire breaks, improves lubrication flow, and extends life—tailor to your wire alloy, speed, and lubricant.

• TC vs PCD: TC is cheaper upfront and better for tough/ferrous wires with impact; PCD lasts much longer in high-volume non-ferrous drawing (lower cost per ton in long runs).

• TC vs Natural/Single Crystal Diamond (ND/SCD): TC is far more economical and tougher; ND/SCD offers superior surface finish and precision but is brittle, expensive, and limited to small/fine sizes. Choose TC when budget, ferrous wire, or large diameters are priorities.

Yes, most TC dies support multiple refurbishments:

• Recutting to enlarge the bore slightly.

• Repolishing the bearing and angles.

• Geometry adjustments for changed conditions. Typically 3–8 recuts are possible, depending on initial wear and carbide wall thickness. Refurbishment significantly extends tool life and reduces overall tooling expenses.

TC dies are among the most affordable options, with prices significantly lower than PCD or natural diamond dies. Cost depends on size, tolerances, custom geometry, and quantity. They provide excellent value in terms of cost per ton drawn, especially for shorter runs, trials, or abrasive ferrous applications.

TC dies excel with ferrous materials, including:

• High-carbon steel

• Low-carbon steel

• Stainless steel

• Alloy steels They handle abrasive conditions and rough inlet wire well. For non-ferrous wires (e.g., copper, aluminum) in high-volume production, PCD dies may be more economical long-term.

• Excellent abrasion and wear resistance, especially for ferrous wires.

• Good compressive strength under high drawing pressures.

• Cost-effective compared to diamond-based dies.

• Wide size range (fine to large rod diameters).

• Suitable for refurbishment (recutting/polishing multiple times). They offer a strong balance of performance, longevity, and price for many applications.

TC drawing dies consist of a high-hardness tungsten carbide insert (core) securely mounted in a steel or alloy casing. During wire drawing, the wire is pulled through the precisely shaped carbide hole, reducing its diameter while the carbide’s wear resistance maintains hole geometry and wire quality over many meters of production.