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Lathe cutting: the cleanest edge, ideal for PP and PE

ROLL Lab · updated 24 October 2026 · sources at the end of the page

In shortOn a lathe the core spins and a fixed tool parts it: you get the cleanest, squarest edge, with little dust. It is the best cut for PP and PE cores and for tight tolerances.
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Lathe cutting: what happens The tool parts the spinning core core wall, in cross-section clean face, chamfercore spins papercores.info · ROLL Lab

How it works

The core is mounted on a rotating mandrel; a parting tool feeds in radially and cuts the wall, just like a metalworking lathe. The edge can be chamfered or deburred in the same pass.

Strengths and limits

  • Strengths: square, clean edge, tight tolerances, little material lost, excellent on PP and PE, which “smear” under a saw.
  • Limits: slower than a knife, one mandrel needed for each inside diameter, lower quality than a saw on rigid PVC.

When to choose it

Plastic cores, cores that must fit friction shafts with little play, precision work and deburred edges. For plastic cores there is a dedicated guide: cutting plastic cores.

Three ways to cut a core Saw, rotary knife, lathe Sawremoves materialdust and chips · any wall Knifescores and pressesno dust · thin and medium walls Lathetool on the spinning coreclean edge · precision, plastic papercores.info · ROLL Lab
The saw cuts anything but makes dust; the knife makes no dust but crushes the edge; the lathe gives the cleanest edge.

← All cutting technologies

Sources

  1. ISO 11093-9
  2. ISO 13542
  3. ROLL Lab calculation
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