Geometrical Dimensioning And Tolerancing Application Project – 2004

Geometrical Dimensioning And Tolerancing Application Project – 2004


  • Increase the awareness of geometric tolerancing for the delegates
  • Correctly display geometrical tolerancing for company X production drawings
  • Functionality deriving manufacturing tolerances
  • Bring down costs within design, manufacturing, quality and assembly

The Project consists of five delegates, first of all they went through the foundation training to uniformly understand geometric tolerancing as a communication tool. Then two application sessions were created using similar type components which were derived by Seize A Solution Limited, to take the delegates through a step by step procedure to derive the functional tolerancing. Following the application sessions the delegates then worked on their part of the assembly and a one to one mentoring session was undertaken. We then held a drawing review day where the drawings were scrutinised by the team and changes made where needed.


  • The time taken by the designer to complete the drawing increased by one week.
  • The design drawing went out right first time without interpretation problems.
  • Tolerances used to define the components were well within the manufacturing capabilities of the machining department.
  • The quality department use conventional instruments to measure the components.
  • The manpower and the time taken to assemble the components was drastically reduced


Initial fundamental training: five days £3750

Two applications sessions: four days £3000

Mentoring sessions: three days £2250

Drawing review: one day £750

Project Total £9750


Manufacturing time to cut down by 25%, £30,000 per year estimated

Amount of shims used in the assembly £1500 per year estimated

Reduction of one assembly engineer £43,200 per year

Warranty claims down by 75% Confidential Amount

Overall Saving in the first year £74,700 without including warranty claims.

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