SAQA All qualifications and part qualifications registered on the National Qualifications Framework are public property. Thus the only payment that can be made for them is for service and reproduction. It is illegal to sell this material for profit. If the material is reproduced or quoted, the South African Qualifications Authority (SAQA) should be acknowledged as the source.
SOUTH AFRICAN QUALIFICATIONS AUTHORITY 
REGISTERED UNIT STANDARD THAT HAS PASSED THE END DATE: 

Plan and initiate the CNC machining process for complex components 
SAQA US ID UNIT STANDARD TITLE
243342  Plan and initiate the CNC machining process for complex components 
ORIGINATOR
SGB Manufacturing and Assembly Processes 
PRIMARY OR DELEGATED QUALITY ASSURANCE FUNCTIONARY
-  
FIELD SUBFIELD
Field 06 - Manufacturing, Engineering and Technology Manufacturing and Assembly 
ABET BAND UNIT STANDARD TYPE PRE-2009 NQF LEVEL NQF LEVEL CREDITS
Undefined  Regular  Level 5  Level TBA: Pre-2009 was L5  10 
REGISTRATION STATUS REGISTRATION START DATE REGISTRATION END DATE SAQA DECISION NUMBER
Passed the End Date -
Status was "Reregistered" 		 2018-07-01  2023-06-30  SAQA 06120/18 
LAST DATE FOR ENROLMENT LAST DATE FOR ACHIEVEMENT
2024-06-30   2027-06-30  

In all of the tables in this document, both the pre-2009 NQF Level and the NQF Level is shown. In the text (purpose statements, qualification rules, etc), any references to NQF Levels are to the pre-2009 levels unless specifically stated otherwise.  

This unit standard does not replace any other unit standard and is not replaced by any other unit standard. 

PURPOSE OF THE UNIT STANDARD 
This unit standard reflects the skills required to:
  • Develop a manufacturing and quality plan to produce complex components.
  • Generate effective and efficient CNC programmes based on CAD data.
  • Set up and operationalise manufacturing processes.

    It also reflects the understanding of:
  • Production requirements, sequencing of manufacturing process, materials to be used, speeds and feeds, tooling, jigs and fixtures to be used.
  • Multi-axis CNC programming including sub-routines.
  • Manufacturing challenges and solutions.

    This unit standard would be assessed in the context of any CNC machining operation or combination of such operations.

    The skills, knowledge and values reflected in this unit standard form part of the Exit Level Outcomes required for the National Certificate in CNC Production Machining: NQF Level 5. 
    		•

    LEARNING ASSUMED TO BE IN PLACE AND RECOGNITION OF PRIOR LEARNING 
    The following competencies are assumed:
  • Communication and Literacy, NQF Level 4.
  • Mathematical Literacy, NQF Level 4.

    In addition, learners are assumed to have an in-depth knowledge of machining and other associated operations, materials, tooling, equipment, risks and uncertainties in the context of computer numerically controlled machining processes, including software drawing and modelling programmes.

    This assumption forms the basis for the allocation of credits for this unit standard. If a learner does not have such experience or qualifications, the learning time will be increased. The allocation of credits is also based on the assumption that the learner will be following a learning programme which integrates the required unit standards. 
    		•

    UNIT STANDARD RANGE 
  • Technology includes CNC machines, tools, fixtures and tooling.
  • Complex components include multiple components for assembly processes, complex surfaces, combining different materials, multiple operations, multiple faces, complex geometries, components requiring complex tool shapes.
  • Further information on the scope and level of this unit standard is indicated by range statements related to the specific outcomes. 
    		•

    Specific Outcomes and Assessment Criteria: 

    SPECIFIC OUTCOME 1 
    Determine product and process requirements and plan the manufacturing process, process parameters and tooling. 
    OUTCOME RANGE 
    Process parameters include production requirements, sequence of manufacturing process, materials to be used, speeds and feeds, tooling, jigs and fixtures to be used. 

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    Manufacturing plan is appropriate for the product, sufficiently detailed and meets customer requirements. 
    ASSESSMENT CRITERION NOTES 
    Assessment criterion type:
  • Results achieved. 
    		•

    ASSESSMENT CRITERION 2 
    Manufacturing plan is appropriate, practical and cost-effective. 
    ASSESSMENT CRITERION NOTES 
    Assessment criterion type:
  • Results achieved. 
    		•

    ASSESSMENT CRITERION 3 
    Quality plan is sufficiently detailed and meets the product quality specifications and associated safety rules. 
    ASSESSMENT CRITERION NOTES 
    Assessment criterion type:
  • Results achieved. 
    		•

    SPECIFIC OUTCOME 2 
    Generate CNC programmes from CAD component drawings and manufacturing plans and make available to relevant personnel. 
    OUTCOME RANGE 
  • Generate includes reviewing and editing the programme.
  • CNC programmes include using advanced software programmes for specific purposes.
  • Make available includes sharing electronically and electronically forwarding to manufacturing equipment. 
    		•

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    CNC programmes represent an effective and efficient solution to the manufacturing challenge. 
    ASSESSMENT CRITERION NOTES 
    Assessment criterion type:
  • Results achieved. 
    		•

    ASSESSMENT CRITERION 2 
    Tools are selected to meet the requirements of the materials, the geometry of the component and the specifications. 
    ASSESSMENT CRITERION NOTES 
    Assessment criterion type:
  • Indicator. 
    		•

    ASSESSMENT CRITERION 3 
    Entering of machining parameters complies with the requirements of the proprietary software. 
    ASSESSMENT CRITERION NOTES 
    Assessment criterion type:
  • Indicator. 
    		•

    ASSESSMENT CRITERION 4 
    The tool path is verified using the programme's simulation facility and adjustments or corrections are made where required. 
    ASSESSMENT CRITERION NOTES 
    Assessment criterion type:
  • Indicator. 
    		•

    ASSESSMENT CRITERION 5 
    The programme is saved, stored and transferred according to organisational standards. 
    ASSESSMENT CRITERION NOTES 
    Assessment criterion type:
  • Results achieved. 
    		•

    SPECIFIC OUTCOME 3 
    Compile work instructions for the efficient production of complex components. 
    OUTCOME RANGE 
    Work instructions should include the following aspects:
  • Precautions required, clear step by step instructions, information regarding the hazards and risks, hazard and risk control measures, personal protective equipment required, housekeeping and waste disposal guidelines. 
    		•

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    The work instructions are clear, provide sufficient detail and are understood by relevant persons. 
    ASSESSMENT CRITERION NOTES 
    Assessment criterion type:
  • Indicator. 
    		•

    ASSESSMENT CRITERION 2 
    Work instructions address all key aspects of the manufacturing operation and all the relevant quality criteria. 
    ASSESSMENT CRITERION NOTES 
    Assessment criterion type:
  • Indicator. 
    		•

    ASSESSMENT CRITERION 3 
    Work instructions conform to organisational requirements in format, layout and references. 
    ASSESSMENT CRITERION NOTES 
    Assessment criterion type:
  • Indicator. 
    		•

    SPECIFIC OUTCOME 4 
    Determine quality checks and select testing and measuring methods. 
    OUTCOME RANGE 
    Quality checks include determining quality parameters that must be checked, establishing check-points, determining sample size and sampling rate. 

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    Measurements and tests address all key product characteristics based on customer requirements. 
    ASSESSMENT CRITERION NOTES 
    Assessment criterion type:
  • Indicator. 
    		•

    ASSESSMENT CRITERION 2 
    The complex components consistently meet customer requirements. 
    ASSESSMENT CRITERION NOTES 
    Assessment criterion type:
  • Results achieved. 
    		•

    ASSESSMENT CRITERION 3 
    Testing and measuring methods are consistently applied and used. 
    ASSESSMENT CRITERION NOTES 
    Assessment criterion type:
  • Indicator. 
    		•

    SPECIFIC OUTCOME 5 
    Evaluate manufactured components, review change requests and update master data packs and programmes. 

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    CNC programmes are optimised for efficiency and cost effectiveness. 
    ASSESSMENT CRITERION NOTES 
    Assessment criterion type:
  • Indicator. 
    		•

    ASSESSMENT CRITERION 2 
    CNC programme edits are incorporated into the master programme, and refinements to manufacturing process and data packs are complete, up-to-date and meet specifications. 
    ASSESSMENT CRITERION NOTES 
    Assessment criterion type:
  • Indicator. 
    		•

    ASSESSMENT CRITERION 3 
    All documentation is completed and processed in accordance with organisational requirements. 
    ASSESSMENT CRITERION NOTES 
    Assessment criterion type:
  • Indicator. 
    		•

    SPECIFIC OUTCOME 6 
    Engage in discussions with other parties on issues related to the CNC manufacturing process. 
    OUTCOME RANGE 
    Discussions could be oral or in writing and would include the completion of any related documentation. 

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    Discussion of issues demonstrates understanding of the key concepts and principles of planning and initiating the CNC manufacturing process and how these relate to application in practice. 
    ASSESSMENT CRITERION NOTES 
    Assessment criterion type:
  • Understanding confirmed. 
    		•
    ASSESSMENT CRITERION RANGE 
    Key concepts include:
  • Proprietary CNC programmes.
  • Approaches to solving manufacturing challenges.
  • Quality and productivity.
  • CAD-CAM interfaces.
     
    		•


    UNIT STANDARD ACCREDITATION AND MODERATION OPTIONS 
    Assessment will be governed by the policies and guidelines of a relevant Education and Training Quality Assurance body (ETQA), which has jurisdiction over this field of learning. The policies and procedures of the relevant ETQA will also determine:
  • How the assessment is moderated.
  • How a learner can appeal against the outcome of the assessment.

    Any institution or company which offers learning to achieve the purpose of this unit standard must be accredited as a provider through the relevant ETQA.

    The integrated assessment should be based on a summative assessment guide. The guide will specify how the assessor will assess different aspects of the performance and will include:
  • Evaluating evidence in a portfolio of evidence, particularly projects which integrate various aspects of the unit standard and which demonstrate the integration of knowledge, skills and values, and the development of the critical outcomes.
  • Observing and listening to the learner at work, both in primary activities as well as in other interactions, or in relevant simulations.
  • Asking questions and initiating short discussions to test understanding and to verify other evidence.
  • Looking at records and reports.
  • Formative assessment.

    Assessment of competence for this unit standard is based on experience acquired by the learner in the workplace, within the particular machining context. The assessment process should cover the explicit tasks required for the unit standard as well as the understanding of the concepts and principles that underpin the process of planning and initiating the CNC machining process for complex components.

    Assessment criteria of the type 'Results achieved' should be regarded as critical to the achievement of this unit standard.

    The assessment process should also establish how the learning process has advanced the Critical Cross-field Outcomes.

    The learner may choose in which language he/she wants to be assessed. This should be established as part of a process of preparing the learner for assessment and familiarising the learner with the approach being taken.

    Assessors should also evaluate evidence that the learner has been performing consistently over a period of time.

    The assessment for this unit standard can be done in conjunction with the assessment of other unit standards related to a qualification, and in conjunction with the assessment for the qualification as a whole. 
    		•

    UNIT STANDARD ESSENTIAL EMBEDDED KNOWLEDGE 
    The following items reflect the type of knowledge that the assessor will evaluate:

    Names & functions of:
  • Processes in the machining process.
  • Range of complex components being manufactured.
  • Configuration management.
  • Reading of plans and drawings.

    Purpose of:
  • Quality plans.
  • Configuration management.
  • Generating CNC programmes from CAD component drawings.
  • Compiling work instructions and data packs.
  • Determining quality checks, testing and measuring methods.
  • Machines, components and instruments.

    Attributes, descriptions, characteristics and properties:
  • Process and product range.
  • Limitations of tools, fixtures, clamping devices and equipment.
  • Tooling requirements and limitations.
  • CAD component drawings.
  • Data packs.
  • Quality checks, measuring ad testing methods.
  • Proprietary programmes.

    Processes and events:
  • Planning processes for manufacturing and quality.
  • Breakdowns, power failures.
  • Machining processes.

    Causes and effects, implications of:
  • Inaccurate data packs.
  • Demand and supply.

    Procedures and techniques:
  • Determining product requirements.
  • Compiling quality manufacturing plans.
  • Compiling test procedures and work instructions.
  • Use proprietary software.
  • Converting CAD component drawings to CNC programmes.
  • Designing new products.

    Sensory cues:
  • Cues related to machining and quality problems.

    Regulations, legislation, agreements, policies, standards:
  • Applicable policies, procedures, rules and regulations.

    Theory: rules, principles, laws:
  • Principles of programming.
  • Proprietary programmes.
  • Process and product design.
  • Advanced principles of technology, new developments.
  • Project management.

    Relationships, systems:
  • Relationship between a quality plan, quality product and customer satisfaction. 
    		•

    UNIT STANDARD DEVELOPMENTAL OUTCOME 
    N/A 

    UNIT STANDARD LINKAGES 
    N/A 


    Critical Cross-field Outcomes (CCFO): 

    UNIT STANDARD CCFO IDENTIFYING 
    Identify and solve problems:
  • Relating to quality plan and initiating manufacturing process. 
    		•

    UNIT STANDARD CCFO WORKING 
    Work effectively with others:
  • In initiating the manufacturing process. 
    		•

    UNIT STANDARD CCFO ORGANISING 
    Organise and manage myself and my activities:
  • When planning the machining process. 
    		•

    UNIT STANDARD CCFO COLLECTING 
    Collect, analyse, organise and critically evaluate information:
  • Evaluate manufactured product and review manufacturing process where required. 
    		•

    UNIT STANDARD CCFO COMMUNICATING 
    Communicate effectively:
  • Update master data packs and programmes. 
    		•

    UNIT STANDARD CCFO SCIENCE 
    Use science and technology effectively and critically:
  • Use CAD/CAM technology to initiate the manufacturing process. 
    		•

    UNIT STANDARD CCFO DEMONSTRATING 
    Demonstrate an understanding of the world as a set of related systems:
  • Understand the impact of quality plans on the manufacturing process and the final product. 
    		•

    UNIT STANDARD ASSESSOR CRITERIA 
    N/A 

    REREGISTRATION HISTORY 
    As per the SAQA Board decision/s at that time, this unit standard was Reregistered in 2012; 2015. 

    UNIT STANDARD NOTES 
    N/A 

    QUALIFICATIONS UTILISING THIS UNIT STANDARD: 
      ID QUALIFICATION TITLE PRE-2009 NQF LEVEL NQF LEVEL STATUS END DATE PRIMARY OR DELEGATED QA FUNCTIONARY
    Core  58025   National Certificate: CNC Production Machining  Level 5  Level TBA: Pre-2009 was L5  Passed the End Date -
    Status was "Reregistered"     		 2023-06-30  MERSETA 


    PROVIDERS CURRENTLY ACCREDITED TO OFFER THIS UNIT STANDARD: 
    This information shows the current accreditations (i.e. those not past their accreditation end dates), and is the most complete record available to SAQA as of today. Some Primary or Delegated Quality Assurance Functionaries have a lag in their recording systems for provider accreditation, in turn leading to a lag in notifying SAQA of all the providers that they have accredited to offer qualifications and unit standards, as well as any extensions to accreditation end dates. The relevant Primary or Delegated Quality Assurance Functionary should be notified if a record appears to be missing from here.
     
    NONE 


    All qualifications and part qualifications registered on the National Qualifications Framework are public property. Thus the only payment that can be made for them is for service and reproduction. It is illegal to sell this material for profit. If the material is reproduced or quoted, the South African Qualifications Authority (SAQA) should be acknowledged as the source.