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Elements and Performance Criteria

1. Maintain quality output
   • Follow quality system procedures for use and care of blades.
   • Assess blades visually for defects before processing products and completing work.
2. Apply blade design principles
   • Classify blades, according to type and style suitable for different saws and production requirements.
   • Identify and evaluate blade characteristics, properties and design capacities according to manufacturer’s specifications and production requirements.
   • Select blades to suit material being cut and production requirements.
   • Plan sawing to minimise blade damage and wear and optimise blade lifespan.
3. Assess blade condition.
   • Identify machinery and equipment issues that can cause product waste and adversely affect blade lifespan; resolve during day to day activities.
   • Assess saw blade condition and recognise need to rectify blade wear and damage.
   • Record and report blade faults to appropriate personnel according to blade design specifications.

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 applying principles of blade design to sawing procedures

select blades for sawing procedures in line with environmental legislation and workplace procedures

identify and evaluate blade characteristics, properties and design capacities for these types of blades:

circular saw blades

band saw blades

gang saw blades

wide saw blades

standard steel

tungsten tipped

stellite tipped

assess saw blade condition and complete basic records of faults for each of the above types of blades

select appropriate blades to suit material being cut and production requirements in line with three work orders.

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Knowledge Evidence

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

purpose, features and operation of blades:

circular saw blades

band saw blades

gang saw blades

wide saw blades

standard steel

tungsten tipped

stellite tipped

properties of blades used in the forestry industry:

metal from which blades are made

tensile strength

geometry and concentricity

characteristics of blades and names of different parts:

blade pitch

kerf

gullet

face

set

straightness

profile

angle

depth

teeth shape

application (cross cut or ripping)

number of teeth per metre

methods to optimise the use of saw blades

affects of different types of materials on saw blade wear

typical machinery and equipment issues that can cause product waste and adversely affect blade lifespan

methods for assessing saw blade condition

organisational quality system procedures for use and care of blades.

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