NTISthis.com

Evidence Guide: MEM19064 - Cut gemstone spheres and beads

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

 

MEM19064 - Cut gemstone spheres and beads

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

Determine job requirements

  1. Follow standard operating procedures (SOPs)
  2. Comply with work health and safety (WHS) requirements at all times
  3. Identify job requirements from specifications
  4. Investigate methods of making spheres and beads
Follow standard operating procedures (SOPs)

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Comply with work health and safety (WHS) requirements at all times

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Identify job requirements from specifications

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Investigate methods of making spheres and beads

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Prepare to use bead and sphere making equipment

  1. Set up bead mill, sphere-making equipment and drills in accordance with manufacturer’s specifications
  2. Complete manufacturer’s maintenance checklist
  3. Select materials suitable for making spheres or beads
  4. Pre-form gemstones using saw or grinder to produce required shape
  5. Grind shape corners to establish rounded form dop stone and work on pavilion first
Set up bead mill, sphere-making equipment and drills in accordance with manufacturer’s specifications

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Complete manufacturer’s maintenance checklist

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Select materials suitable for making spheres or beads

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Pre-form gemstones using saw or grinder to produce required shape

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Grind shape corners to establish rounded form dop stone and work on pavilion first

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Produce and drill gemstones beads

  1. Use appropriate holder templates throughout the process
  2. Grind pre-formed beads in bead mill until they are rounded
  3. Remove and clean bead materials discarding faulty or broken gemstones
  4. Select required beads for drilling
  5. Place bead in bead vice, drill half way into the bead, turn over, check alignment and drill the other half ensuring a cut hole through the bead
  6. Grind beads in a tumble polisher until requirements are met, using increasingly fine grinding medium
  7. Clean tumbler and beads at every change over
  8. Clean beads thoroughly after the final grind
  9. Place ground beads in the tumbler with polishing medium and tumble to a high lustre
  10. Clean finished beads thoroughly with water to meet requirements
Use appropriate holder templates throughout the process

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Grind pre-formed beads in bead mill until they are rounded

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Remove and clean bead materials discarding faulty or broken gemstones

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Select required beads for drilling

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Place bead in bead vice, drill half way into the bead, turn over, check alignment and drill the other half ensuring a cut hole through the bead

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Grind beads in a tumble polisher until requirements are met, using increasingly fine grinding medium

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Clean tumbler and beads at every change over

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Clean beads thoroughly after the final grind

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Place ground beads in the tumbler with polishing medium and tumble to a high lustre

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Clean finished beads thoroughly with water to meet requirements

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Produce gemstone spheres

  1. Select gemstones to make spheres and pre-form the spheres
  2. Grind the spheres in a sphere maker with water and increasingly fine grinding medium
  3. Clean spheres thoroughly at each change over
  4. Polish cleaned sphere with polishing medium and water using leather sphere cups
Select gemstones to make spheres and pre-form the spheres

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Grind the spheres in a sphere maker with water and increasingly fine grinding medium

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Clean spheres thoroughly at each change over

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Polish cleaned sphere with polishing medium and water using leather sphere cups

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Assessed

Teacher: ___________________________________ Date: _________

Signature: ________________________________________________

Comments:

 

 

 

 

 

 

 

 

Instructions to Assessors

Required Skills and Knowledge