Elements and Performance Criteria
- Prepare the work area and equipment
- Work area is made clean and functional prior to the commencement of work
- All equipment is inspected to ensure it is functional and where necessary, appropriate remedial action is taken prior to the commencement of work
- Appropriate coating troughs for automatic coaters are selected ensuring they are free of nicks and burrs
- Automatic coating equipment is inspected and routine user maintenance is carried out according to manufacturer's instructions and enterprise procedures
- Automatic coating equipment is adjusted to suit screen frame and mesh and emulsion
- Prepare the screen
- Select emulsion
- Emulsion is selected according to requirements for ink type, print resolution, substrate, mesh type and machine type
- Emulsion is checked for expiry date and appropriate action taken
- Emulsion is prepared according to OHS requirements, and manufacturer's/supplier's specifications
- Emulsion is used and dried according to manufacturer's/supplier's specifications
- Process coated screen
- Coated screen frame is placed in vacuum frame and adequately vacuumed with positive positioned according to manufacturer's/supplier's specifications
- Light source is positioned according to manufacturer's/supplier's specifications
- Exposure is calculated and stencil exposed according to manufacturer's/supplier's specifications
- Exposed screen is removed from vacuum frame
- Exposed screen is washed out after positive removal according to OHS requirements and manufacturer's/ supplier's specifications
- Processed stencil/screen is inspected for flaws
- Store screen