MEM19011Perform wax injection of moulds for lost wax casting process

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What an assessment for MEM19011 must cover

28 assessable components: 3 elements (11 performance criteria), 6 performance evidence and 11 knowledge evidence requirements. An audit-defensible tool maps every question and task back to these — that mapping is the coverage matrix Auditori generates alongside the assessment.

Elements & performance criteria

1 Determine job requirements

  • 1.1Follow standard operating procedures (SOPs)
  • 1.2Comply with work health and safety (WHS) requirements at all times
  • 1.3Use appropriate personal protective equipment (PPE) in accordance with SOPs
  • 1.4Identify job requirements from specifications, job sheets or work instructions

2 Perform wax injection of moulds

  • 2.1Select appropriate wax material according to design specification requirements
  • 2.2Prepare injection tools and equipment
  • 2.3Prepare moulds
  • 2.4Carry out wax injection procedures

3 Remove and inspect patterns

  • 3.1Remove wax pattern without damage and inspect
  • 3.2Determine the action required when inspected wax patterns are imperfect and carry out the determined action
  • 3.3Store according to SOPs and secure and clean work area

Performance evidence

  • following work instructions, standard operating procedures (SOPs) and safe work practices
  • identifying and interpreting specifications, job sheets or work instructions to select wax type according to wax, model and cavity specifications
  • conducting measurements and preparing moulds, including rectifying inappropriate mould features
  • completing injection and removing duplicated wax pattern
  • repairing, re-working, recycling or discarding imperfect wax patterns as required.
  • checking duplicate for compliance with master and specifications and identifying irregularities.

Knowledge evidence

  • safe work practices and procedures and use of personal protective equipment (PPE)
  • wax types and characteristics
  • procedures for wax injection equipment and processes for the given values of time, temperature and pressure
  • characteristics of moulds
  • injection procedures
  • minor variations and adjustments to processes and equipment situations
  • undamaged wax duplicate removal techniques for a range of situations
  • procedures for wax duplicate inspection
  • common irregularities
  • causes and remedies of imperfections
  • procedures for safe cleaning, disposal and safe storage.

Unit content sourced from training.gov.au — © Commonwealth of Australia, licensed under CC BY 4.0. Auditori is not affiliated with the Department of Employment and Workplace Relations.

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Real, unedited Auditori output (RIIHAN201E shown), branded for a sample RTO:

Questions about assessing MEM19011

What does an assessment tool for MEM19011 need to cover?

To satisfy the Principles of Assessment and Rules of Evidence, an assessment for MEM19011 needs to address all 28 unit components: 3 elements with 11 performance criteria, 6 performance evidence requirements, 11 knowledge evidence requirements, and the foundation skills. A coverage matrix mapping each question and task to these components is what an auditor looks for.

How does Auditori generate an assessment tool for MEM19011?

Auditori pulls the current release of MEM19011 from training.gov.au and generates a complete package: candidate assessment, assessor guide with model answers and observation criteria, and a coverage matrix mapping every component. A suitably qualified person then reviews and approves the draft in a built-in workflow — consistent with ASQA's guidance on AI use in VET — before export as branded PDF and editable Word.

Is the first assessment tool really free?

Yes. Every new account includes one free credit — enough to generate the complete assessment tool for MEM19011 — with no card and no subscription required. After that it's pay-as-you-go per unit.

Can I check my existing MEM19011 assessment instead of generating a new one?

Yes — upload your existing assessment or learner guide and Auditori maps it against every element, performance criterion, PE and KE of MEM19011, showing exactly what's covered and what's missing. Mapping costs a quarter of a credit.

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