Maintenance and calibration

An instrument or an asset with a service or calibration cycle. The work is raised ahead of the due date by the lead time, so the purchase order exists before the certificate lapses.

• CMM calibration, annualevery year on the 20th · Shubhangi · Mitutoyo CMM, QA lab

  A purchase request for the calibration visit, raised 30 days ahead so the PO exists before the certificate lapses — the buyer audit in October reads the certificate first.

  Next 20 Sept · raised 21 Aug, 30 days ahead · from the last certificate, dated 20 Sept 2025

• Plug and thread gauges — calibrationevery 6 months on the 15th · Shubhangi · 42 gauges, QA cupboard

  A task for Shubhangi with the gauge list; the ones out of calibration are quarantined until the certificate comes back.

  Next 15 Feb · raised 1 Feb, 14 days ahead · 1 of 1 on time · from IATF clause 7.1.5.2 — the buyer audit checks the register

  • 15 Aug · done by Shubhangi — 41 of 42 back in calibration; one thread gauge scrapped.