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Evidence Guide: MEM12003B - Perform precision mechanical measurement

Student: __________________________________________________

Signature: _________________________________________________

Tips for gathering evidence to demonstrate your skills

The important thing to remember when gathering evidence is that the more evidence the better - that is, the more evidence you gather to demonstrate your skills, the more confident an assessor can be that you have learned the skills not just at one point in time, but are continuing to apply and develop those skills (as opposed to just learning for the test!). Furthermore, one piece of evidence that you collect will not usualy demonstrate all the required criteria for a unit of competency, whereas multiple overlapping pieces of evidence will usually do the trick!

From the Wiki University

 

MEM12003B - Perform precision mechanical measurement

What evidence can you provide to prove your understanding of each of the following citeria?

Use precision measurement equipment

  1. Appropriate precision equipment is selected to achieve specified outcome.
  2. Correct and appropriate measuring techniques are used for the measurement task.
  3. Measurements are taken accurately to the finest graduation of instrument.
  4. Readings and measurements are interpreted correctly and accurately.
Appropriate precision equipment is selected to achieve specified outcome.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Correct and appropriate measuring techniques are used for the measurement task.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Measurements are taken accurately to the finest graduation of instrument.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Readings and measurements are interpreted correctly and accurately.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Set comparative measuring devices

  1. Measuring equipment is set to specifications using manufacturer guidelines or standard operating procedures and techniques.
Measuring equipment is set to specifications using manufacturer guidelines or standard operating procedures and techniques.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Maintain precision equipment

  1. Measuring equipment is adjusted and maintained to required accuracy, using manufacturer or standard operating procedures and techniques.
  2. Equipment is stored to manufacturer specifications or standard operating procedures.
Measuring equipment is adjusted and maintained to required accuracy, using manufacturer or standard operating procedures and techniques.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Equipment is stored to manufacturer specifications or standard operating procedures.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Assessed

Teacher: ___________________________________ Date: _________

Signature: ________________________________________________

Comments:

 

 

 

 

 

 

 

 

Instructions to Assessors

Evidence Guide

The evidence guide provides advice on assessment and must be read in conjunction with the performance criteria, required skills and knowledge, range statement and the Assessment Guidelines for the Training Package.

Overview of assessment

A person who demonstrates competency in this unit must be able to perform precision mechanical measurement. Competency in this unit cannot be claimed until all prerequisites have been satisfied.

Critical aspects for assessment and evidence required to demonstrate competency in this unit

Assessors must be satisfied that the candidate can competently and consistently perform all elements of the unit as specified by the criteria, including required knowledge, and be capable of applying the competency in new and different situations and contexts.

Context of and specific resources for assessment

This unit may be assessed on the job, off the job or a combination of both on and off the job. Where assessment occurs off the job, that is the candidate is not in productive work, then an appropriate simulation must be used where the range of conditions reflects realistic workplace situations. The competencies covered by this unit would be demonstrated by an individual working alone or as part of a team. The assessment environment should not disadvantage the candidate.

This unit could be assessed in conjunction with other units addressing the safety, quality, communication, materials handling, recording and reporting associated with precision mechanical measurement or other units requiring the exercise of the skills and knowledge covered by this unit.

Method of assessment

Assessors should gather a range of evidence that is valid, sufficient, current and authentic. Evidence can be gathered through a variety of ways including direct observation, supervisor's reports, project work, samples and questioning. Questioning should not require language, literacy and numeracy skills beyond those required in this unit. The candidate must have access to all tools, equipment, materials and documentation required. The candidate must be permitted to refer to any relevant workplace procedures, product and manufacturing specifications, codes, standards, manuals and reference materials.

Guidance information for assessment

Required Skills and Knowledge

Required skills

Look for evidence that confirms skills in:

reading and interpreting text and numerical information on manufacturer specifications, standard operating procedures, charts, lists, drawings and other applicable reference documents

selecting/using precision mechanical measuring devices

setting measuring devices to specification

obtaining specified mechanical measurements to the finest graduation of the device

measuring components to specified tolerances

reading and interpreting measurements

maintaining and adjusting precision mechanical measuring devices

storing precision mechanical measuring devices

undertaking calculations and numerical operations for measurement using precision mechanical measuring equipment

Required knowledge

Look for evidence that confirms knowledge of:

the appropriate precision mechanical measuring device for given measurement requirements

procedures to verify equipment being used has been recently calibrated

suitability of environmental conditions for the measurements being carried out

procedures/techniques for obtaining a range of mechanical measurements

the accuracy to which a range of precision mechanical measuring devices can be read

procedures for reading graduated mechanical measuring devices

units of measurement and numerical operations within the scope of this unit

procedures for setting precision mechanical measuring devices

specifications of the equipment to be set

tools and equipment for setting mechanical measuring devices

the adjustments that can be made to a range of precision mechanical measuring devices

procedures for adjusting and maintaining precision mechanical measuring devices

procedures for storing precision mechanical measuring devices

hazards and control measures associated with precision mechanical measurement, including housekeeping

safe work practices and procedures

Range Statement

The range statement relates to the unit of competency as a whole. It allows for different work environments and situations that may affect performance. Bold italicised wording, if used in the performance criteria, is detailed below. Essential operating conditions that may be present with training and assessment (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) may also be included.

Equipment

Strip gauges, engineering squares, angle dekkors, sine bars, angle gauges, polygons, dividing heads, rotary tables, precision levels, micrometers, height gauges, hardness testers, and texture measuring equipment

Appropriate measuring techniques

Includes considerations of the suitability of the environmental conditions for measurements being taken

Measurements

Length, circular, straightness, flatness, hardness, angles, finishes, textures, roundness, squareness, alignment and coordinate measurement etc. on components or equipment