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Elements and Performance Criteria

1. Prepare for machining
   • Review work order and where required check with appropriate personnel.
   • Select appropriate personal protective equipment and check for operational effectiveness.
   • Plan log sawing process in line with work order.
2. Set up optimising system
   • Set CNC optimising program to job specifications.
   • Check safety equipment and saw and cutting mechanisms for safe and effective operation.
   • Adjust saw settings in line with work order.
   • Conduct trial runs to check system operation, accuracy and quality of finished work.
   • Complete final adjustments to CNC optimising program and equipment in line with organisational procedures.
3. Operate optimising log saw
   • Use equipment in line with organisational safety procedures, manufacturer’s instructions and environmental protection practices.
   • Complete pre start-up checks to ensure operational effectiveness.
   • Feed logs into machine, operate saw and monitor use to minimise waste and ensure quality product and output.
   • Repair or dispose of sub-standard product in line with environmental protection practices.
   • Direct processed logs to designated area in line with work order.
   • Identify routine processing problems and resolve or report to appropriate personnel.
4. Complete operator maintenance
   • Follow organisational safety procedures to lock out equipment.
   • Check saw blades for bluntness or damage.
   • Remove and replace saw blades in line with manufacturer's recommendations.
   • Dispose of used blades in line with environmental protection practices.
   • Complete basic non-specialist maintenance for equipment.
   • Keep machine clear of dust and debris in line with organisational safety procedures.
   • Record and report equipment faults and maintenance requirements to appropriate personnel.

Range Statement

Not Applicable

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Performance Evidence

A person demonstrating competency in this unit must satisfy all of the elements, performance criteria and foundation skills of this unit. If a specific volume or frequency is not stated below, then evidence must be provided that the following requirements have been performed on at least one occasion:

follow organisational policies and procedures relevant to sawing logs using CNC optimising systems

saw logs using CNC optimising systems in line with work order and within prescribed organisational tolerances

set computer programs for the CNC optimising system to follow

complete these types of basic non-specialist maintenance:

cleaning the machine of wood chips and sawdust

replacing blunt saw blades

inspecting machine parts for wear or damage, including guards

greasing and lubricating moving parts

checking the operation of emergency stop buttons and lock out systems.

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Knowledge Evidence

A person competent in this unit must be able to demonstrate knowledge of:

environmental protection practices for forest products factory settings:

cleaning plant, tools and equipment

disposing of, recycling and reusing timber

reducing water and energy use

typical log defects and how they affect ability to produce quality flitches and cants:

warp

wane

curvature

cupping

shakes

insect defects

knots

resin pockets

typical work flow processes for sawing flitches and cants with CNC optimising saws

typical flow of log supply in and out of the sawing area

range of cutting patterns used on logs to achieve maximum output of flitches and cants

range of feed rates and how they affect production output and finished quality of flitches and cants

purpose, features and operation of CNC optimising and other equipment used to saw flitches and cants:

CNC optimising saws

CNC computer program

mechanical feed

conveyor system to transport logs to and from the sawing area

maintenance tools and equipment for saws

methods for assessing saw blade condition

organisational procedures specific to operating CNC optimising saws:

workplace health and safety with particular emphasis on equipment lock out and use of personal protective equipment

communication reporting lines

recording and reporting processing problems and equipment faults.

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