Mandrels

AWU produces mandrels

  • hardened, non-hardened, partially hardened
  • processing of hardened or non-hardened material
  • with high-precision, turning, drilling, milling and grinding
  • high dimensional accuracy, also keeping the tolerances of shape and location

Area of applications

  • Pull mandrel
  • Test mandrel
  • Winding mandrel
  • Measuring mandrel

Material

  • Cf53, 90MnCrV8, or others upon request

Surface roughness

  • up to Ra 0,025 μm

Heat Treatment

  • Induction surface hardening - hardening depth 4 - 6 mm with the removal of internal stresses

AWU - Tolerances

  • Diameters in h6 are standard, h5 and h4 possible
  • Straightness up to 5 μm/m
  • Surface quality up to Ra 0,025 μm, Rz 0,1 μm
  • Alignment up to 3 µm/m

Diameters

  • from 8 mm up to 250 mm

Lengths

  • up to 4 000 mm turning and grinding
  • up to 3 000 mm hardening

Single weights

  • up to 1 000 kg

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