MEM23120 - Select mechanical machine and equipment components

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Unit code: MEM23120 | Study level: TAFE
MEM23004 - Apply technical mathematics
MEM23109 - Apply engineering mechanics principles
MEM30005 - Calculate force systems within simple beam structures
MEM30006 - Calculate stresses in simple structures
(Or equivalent to be determined by unit coordinator)


This unit of competency defines the skills and knowledge required for the technical selection of mechanical machine and equipment components. It includes analysis of the application to determine suitability of components and use of performance analysis software.
The unit applies to selecting components of machines or equipment based on mechanical engineering-related technical criteria to ensure appropriate performance and compliance with standards. It applies to selection tasks based on analyses completed by an individual or the use of technical criteria supplied by professional engineers or equipment suppliers. The use of calculus for technical analysis is not covered by this unit.
The unit is suitable for people working as mechanical detailers or designers and draftspersons and for those pursuing careers and qualifications in mechanical engineering or related disciplines.This unit does not cover selection of electric motors, electrical components, fluid power components such as pumps, control components and support structures or structural fastening and welding with eccentric loadings. These are covered in other units.


For Melbourne campuses

Assessment tasks will be designed to reinforce & extend knowledge and skill competence within set & controlled parameters in accordance with each unit's learning outcomes & performance criteria requirements, including the setting of work-based practical application tasks designed to provide evidence of competence outcomes, within periodic and scheduled timelines.

Students will be expected to demonstrate the following required skills:

  • evaluating machine components and arrangements for compliance with work health and safety (WHS) and regulatory requirements and risk assessment
  • determining component arrangement, limits, fits and clearances, assembly, fastening and alignment of components
  • investigating sustainability implications of components selection task
  • reviewing features and functions of machine and equipment components
  • reviewing design loads, working stresses, allowable deformations and factor of safety, component arrangements, limits and fits, assembly, adjustment and fastening methods required by the task on at least two occasions
  • identifying relevant analysis support including graphs, tables, nomograms or computer-aided solutions and validation techniques
  • selecting and specifying machine components on at least two occasions, including arrangement and assembly requirements
  • reporting and documenting results of component selection, including calculations, specifications, diagrams and drawings.
    Note: Where a volume and/or frequency is not specified, demonstration must be provided at least once.

Required reading

The qualified trainer and assessor will provide teaching and learning materials as required in the form of workbooks produced by the VU Polytechnic and/or via the Victoria University Polytechnic e-Learning system.

As part of a course

This unit is studied as part of the following course(s):

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