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Saw cutting of cores and tubes: any wall, but with dust

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

In shortA circular saw removes material: it cuts any wall, even beyond 20 mm, and is the most accurate option on rigid PVC. The price is dust and chips, plus a small loss of length at every cut.
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Saw cutting: what happens The blade removes a strip of material core wall, in cross-section internal burrdust and chips1–3 mm lost papercores.info · ROLL Lab

How it works

The core stays still or moves along a table; a toothed circular blade passes through it and removes a strip of material as wide as the teeth (the kerf). ISO 11093-9 requires test samples cut at 90° ± 1°, clean and undeformed, and recommends a circular saw for this reason.

Strengths and limits

  • Strengths: any wall thickness, paper and plastic, a square edge, no deformation of the diameter.
  • Limits: paper dust or plastic chips to extract, noise, and a material loss equal to the kerf (usually 1–3 mm). Burrs, especially internal ones, can snag on the shaft lugs or chucks: they often have to be removed after cutting.

When to choose it

Thick walls (formwork tubes, paper mill and metal cores), rigid PVC tubes, batches with many different sizes. In clean areas (food, pharmaceuticals) you need good extraction or a different cutting method.

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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