Perforated disc

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A perforated disk is a disk with at least one or with several bores whose axes of rotation are parallel to the axis of symmetry of the disk cylinder.

application areas

Concentric perforated disks

Perforated disks with a single concentric bore are used, for example, for the following purposes:

  • Concentric perforated disks

  • Two flat seals made of fiberglass

  • Photochemically etched pinhole with an inner diameter of 90 micrometers

  • Orifice plate of a flow sensor

  • Three washers

Perforated disks with several holes

Perforated disks with several holes are used in a variety of devices:

  • Perforated disks with several holes

  • Perforated disc of the cutting mechanism of a meat grinder

  • Drawing of a fading disk for a pneumatic siren

  • Nipkow disk for the generation of moving images

  • Two perforated disks of a dividing apparatus

literature

  • DIN 7527, Part 2: Forgings made of steel, machining allowances and permissible deviations for open-die forged perforated disks
  • DIN EN 12728: 2000-01: Surface-active substances - Determination of the foaming capacity - Perforated disc impact method

Individual evidence

  1. ↑ Combination of screw nut and perforated washer, EP0615073A1, European Patent Office of September 14, 1994, accessed on July 18, 2019
  2. ↑ Perforated disc, in particular for injection valves and methods for producing a perforated disc , European publication server, EP 1 184 565 A2, from March 6, 2002, accessed on July 18, 2019
  3. ↑ Cutting unit, especially for a meat grinder , German patent DE102009005929 from August 13, 2009