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Part Tolerances

Tight tolerances ensure precise results in your die cut parts

Part tolerances are an important factor to consider when converting materials. Tolerances are allowable variations in the dimensions of manufactured parts. If the part dimensions are not sufficiently precise, performance of the end product can suffer.

Tolerances vary depending on the methods, tools and materials used in a specific project. For example, 1 millimetre deviation is unlikely to matter much on a 33 metre long roll of single sided tape, however, on a CAD software designed 5 millimetre wide die-cut waterproof vent, it would make a significant difference and in the worst case even prevent the vent from sealing properly in the end product.

We have the capability to achieve tight tolerances, required in certain projects, and our R&D engineers are happy to discuss these and offer bespoke solutions, taking into account specific tool and material tolerance values, along with your specifications.

For different converting processes, standard tolerances to which we adhere in most cases are as follows:

  • Lathe-slitting
    • non-foams ±0.25mm
    • foams ±0.5mm
  • Re-wind slitting
    • ±0.5mm
  • Butt-cutting
    • width controlled by slitting or bought-in tape width
    • length ± 0.25mm
  • Guillotining
    • Up to 100mm material length: ±0.5mm
    • 100mm-300mm: ±1.0mm
    • 300mm-600mm: ±2.0mm
    • 600mm-900mm: ±3.0mm
    • 900mm and longer: ±5.0mm
  • Laser cutting
    • Materials less than 0.25mm thickness: ±0.2mm
    • Materials greater than 0.25mm thickness: ±0.4mm
  • Die cutting
    • Materials less than 0.25mm thickness: ±0.25mm
    • Materials greater than 0.25mm thickness: ±0.4mm
  • Rotary die cutting
    • Materials less than 0.25mm thickness: ±0.3mm
    • Materials greater than 0.25mm thickness: ±0.6mm
  • Pick and Place – Patented peeling technology for placement accuracy
    • Up to ±0.05 mm alignment

Not sure if our tolerances are tight enough for your project? Get in touch and our engineers will have the solution.

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