Welcome to Iain Macleod Associates

Iain Macleod Associates Ltd has been providing training and consultancy services for industry since 1991.

We are the UK’s leading provider of training in geometrical tolerancing, GD&T and mechanical specification. We provide training courses on-site for wide variety of clients, spread across a wide range of industries.

We are an approved supplier to BAE Systems.

We provide training throughout the UK and Ireland, and have also run courses in Europe, the Far East and South Africa.  We run several public courses each year which you can book individual places on.

Iain Macleod is a member of the BSI Technical Committee TDW/4, which is responsible for British Standards in the area of Technical Product Realization, and chairs subcommittee TDW/4/8, which is responsible for the development and maintenance of BS 8888.  He is also a member of ISO Technical Committee 213, which is responsible for ISO standards for engineering tolerancing; he acts as convenor on Working Group 17, is the principle UK representative on Working Group 18, and also attends Advisory Group 1 for strategic planning.

Welcome to Iain Macleod Associates

Iain Macleod - Managing Director

Clients we work with include:

AMRC
BAE Systems
Airbus
Logitech
Martin Baker
James Fisher
Bombardier Aerospace
FMC Technologies
Honda F1 Racing
Surrey Satellite Technology
Ansaldo NES
Marshall Aerospace and Defence Group
Hyster
National Physical Laboratory
Nokia
Reaction Engines
Yale

Our Services

We provide training in the following:

  • Geometrical Tolerancing to BS 8888 & ISO Standards
  • Geometric Dimensioning & Tolerancing (GD&T) to ASME Y14.5
  • Geometrical Product Specification (ISO GPS)
  • Engineering Drawing
  • BS 8888
  • Tolerance Stack Calculations

Most of our training courses are delivered on-site for clients, but we also offer a small number of public courses each year, which you can book individual places on. We can provide training which is accredited by the National Physical Laboratory, and certified by the Institution of Engineering Designers.

 

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Training

We offer an advisory or consultancy service for clients, to deal with queries about any aspect of tolerancing or product specification.  Contact us if you need assistance in any of the following areas:-

  • product definition
  • interpretation of tolerance requirements
  • application of standards
  • tolerance analysis
  • definition and implementation of datum systems
  • development and mentoring of technical staff
  • assessment of suppliers
  • etc
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Consultancy

The GPS Pocket Book is an A6 sized booklet which provides a summery of the key elements of the ISO GPS system. Written by Per Bennich and Henrik Nielsen, both former chairmen of the ISO technical committee responsible for standards in this area (TC213), this is the best pocket book currently available if you want a compact, concise and up-to-date summery of the ISO GPS system. The Pocket Book is available at half-price for educational institutions.

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Publication

Resource Centre

The articles below provide some background information about Geometrical Tolerancing, Geometrical Product Specification and the standards that underpin these subjects.

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News

BS 8888:2016

The next revision of BS 8888 has now completed its draft stage. Publication planned for December 2016.