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Elements and Performance Criteria

1. Write program.
   • Select appropriate program elements for machine controller.
   • Interpret engineering drawings/product specification and define basic machine function and tool path geometry.
   • Calculate coordinates for simple tool path or basic machining functions.
   • Write program in standard code format in accordance with standard operating procedures.
2. Check program
   • Produce operation sheets to specification in accordance with standard operating procedures.
   • Operate machine in manual mode to test and prove program as required.
   • Edit program if necessary to adjust operation as required.
   • Check components for conformance to specification as required.
3. Anticipate and solve problems
   • Recognise a problem or a potential problem.
   • Determine problems needing priority action.
   • Seek information and assistance as required to solve problems.
   • Solve problems within area of responsibility.
   • Follow through items initiated until final resolution has occurred.

Required Skills

This describes the essential skills and knowledge and their level required for this unit

Knowledge of computer controlled machines and programming including

the elements of a basic NCCNCother program and their function in controlling the operation of computer controlled equipment

machining operations

types of computer controlled equipment and their applications

machining operations controlled by program

the tool paths to be followed when producing a part or product

the sequence of machining operations

the reasons for selecting tool paths and sequence of operations

the zero point of the equipment

standard codes used in the writing of programs

applications of standard codes in programming

procedures for writing programs in standard code format

procedures for completing operation sheets

the information to be included in operation sheets

influence of polymer properties on program requirements

Competence also includes the ability to

plan and sequence operations

check and clarify task related information

Language literacy and numeracy requirements

This unit requires the ability to read interpret and follow information on written job instructions specifications standard operating procedures charts lists drawings and other applicable reference documents

Writing is required to the level of completing workplace forms and operations sheets

Mathematical techniques are required eg in calculating coordinates of all relevant points on the part or product to be produced

Evidence Required

The Evidence Guide provides advice on assessment and must be read in conjunction with the performance criteria required skills and knowledge the range statement and the assessment guidelines for this training package

Overview of assessment

A holistic approach should be taken to the assessment

Assessors must be satisfied that the person can consistently perform the unit as a whole as defined by the Elements Performance Criteria and skills and knowledge

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

It is essential that competence is demonstrated in the knowledge and skills defined in this unit These may include the ability to

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

identify and take appropriate action on problems and potential problems

Consistent performance should be demonstrated For example look to see that

the process runs consistently and smoothly

all safety procedures are always followed

Assessment method and context

Assessment will occur on computer controlled equipment and will be undertaken in a worklike environment

Competence in this unit may be assessed

by direct observation supervisors reports project work samples and questioning

in a situation allowing the generation of evidence of the ability to recognise anticipate and solve problems

by using a suitable simulation andor a range of case studiesscenarios

through a combination of these techniques

In all cases it is expected that practical assessment will be combined with targeted questioning to assess the underpinning knowledge and theoretical assessment will be combined with appropriate practicalsimulation or similar assessment Assessors need to be aware of any cultural issues that may affect responses to questions

Assessment processes and techniques must be culturally appropriate and appropriate to the oracy language and literacy capacity of the assessee and the work being performed

Specific resources for assessment

This section should be read in conjunction with the Range Statement for this unit of competency Resources required include suitable access to an operating plant or equipment that allows for appropriate and realistic simulation A bank of case studiesscenarios and questions will also be required to the extent that they form part of the assessment method Questioning may take place either in the workplace or in an adjacent quiet facility such as an office or lunchroom No other special resources are required

Access must be provided to appropriate learning andor assessment support when required Where applicable physical resources should include equipment modified for people with disabilities

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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. Add any 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.

Where reference is made to industry codes of practice, and/or Australian/international standards, the latest version must be used.

Context

This competency applies to all work environments and sectors within the industry. It requires an understanding of the operation of all relevant equipment and processes but does not necessarily require them to be used personally.

Procedures

All operations are performed in accordance with procedures.

Procedures include all relevant workplace procedures, work instructions, temporary instructions and relevant industry and government codes and standards.

Tools and equipment

This competency includes use of equipment and tools such as:

computer controlled machines

desktop computers.

Hazards

Typical hazards include machine operations hazards (when trialling programs).

Problems

'Anticipate and solve problems' means resolve a wide range of routine and non routine problems, using product and process knowledge to develop solutions to problems which do not have a known solution/s recorded in the procedures.

Typical problems may include:

machine malfunction

damage to machine/tools

machining errors.

Appropriate action for problems outside of area of responsibility may be reporting to

an appropriate person.

Appropriate action for solving problems within area of responsibility includes asking

questions and seeking assistance from appropriate person/sources

Variables

Key variables to be monitored include:

speed

output rate

product integrity and general conformance to specifications.

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