Find the maximum speed with which the wire can be pulled

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Reference no: EM131306979

Magnet wire is single-strand wire with a thin insulation layer (of enamel, varnish, glass, etc.) to prevent short circuits. In a production facility, copper (E = 120 GPa, σ_ys = 70 MPa) magnet wire is to be coated with varnish by pulling it through a circular die (i.e., a cylindrical tube) of 0.35 mm diameter. The wire diameter is 0.30 mm and it is centered in the die. The varnish (μ = 0.020 Pas) completely fills the space between the wire and the die for a length of 30 mm. Determine the maximum speed with which the wire can be pulled through the die while ensuring a factor of safety of 3.0 with respect to yielding.

Reference no: EM131306979

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