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Photofabrication Quality Control - Achieving Quality

People. 
However sophisticated the quality system, Photofabrication recognises that good service and quality products come from highly trained and dedicated staff. To achieve this the company follows the principles of the Investors in People standard. Throughout the organisation Photofabrication spend considerable time and money in training staff and ensuring they are highly motivated to meet the customers' requirements. Each operator is responsible for his or her own quality and feeds back ideas for continuous improvement.

Method Sheets
Before manufacture, every job has a detailed Method Sheet prepared. This document then acts as the 'Traveler' to ensure not only that the product is made to specification but production details are recorded for future analysis. Any improvements are updated on the master file ready for repeat orders. This is a continuous improvement system which benefits customers by lowering costs and improving quality.

Material tracking
Photofabrication have a sophisticated material tracking system with detailed records stretching back over many years. All metal received is batch coded and detailed into computer records. Each release to production is issued against a job control and method sheet. All these records are fully traceable to be able to produce a detailed Certificate of Conformity. We make no addition charge to produce this certificate.

All these processes are controlled through our Quality System BS EN ISO 9001:2000. See our page on Achieving Quality for further information.

Process Control
The chemical milling manufacturing technique requires strict control of various physical and chemical processes as follows:

  • Metal: Strict control on metal supply with detailed goods inward inspection
  • Chemicals: Laboratory control and testing of all chemicals used throughout the company.
  • On-line measurement and process control
  • Machine maintenance: Scheduled maintenance programme to ensure equipment is running at optimum performance.
  • Measurement and control at all stages of production.
  • Statistical control systems.



Process Control Diagram


Dimensional Inspection


Final Inspection

Dimensional Inspection

  • On line vernier measurement by operators 
  • Optical measurement and comparison
  • Mitotoyo digital measurement
     

Visual Inspection

  • Baty visual inspection of edge profiles
  • Continuous visual inspection throughout process
  • Final visual inspection of all jobs
     

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Photofabrication Limited
14 Cromwell Road, St Neots, Cambs, PE19 2HP, England Tel: (01480) 226699 - Fax: (01480) 475801 Email: sales@photofab.co.uk
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The photo chemical machining or milling etching process. Thin sheet metal components etched chemically (photo etched metal). Photochemical machining (photoetching) is suitable for etched metal components used in EMC/RFI shielding, encoder disc, actuator, switch contact, screening can, shim, solder mask, rotor lamination, lead frame, filters, heat sink, mesh, connector, applications.