Major Work Activity B - Performs benchwork

Table of Contents

Task B-6 Performs hand processes

Task Descriptor

Machinists use hand tools and handheld power tools for hand processes, including sawing, drilling, tapping, assembly and disassembly. Benchwork is critical for fully qualified machinists.

B-6.01 - Performs layout

Essential Skills: Document Use, Numeracy, Thinking

B-6.01 - Performs layout
NL NS PE NB QC ON MB SK AB BC NT YT NU
yes yes yes yes yes yes yes yes yes yes NV NV NV
Skills
Reference Code Performance Criteria Evidence of Attainment
B-6.01.01P determine shape and requirement of layout shape and requirement of layout is determined according to specifications
B-6.01.02P select and use layout tools layout tools are selected according to workpiece characteristics, operations to be performed and specifications
B-6.01.03P mark workpiece workpiece is marked according to specifications
B-6.01.04P verify layout layout is verified using measuring and inspection tools
B-6.01.05P perform permanent layout permanent markings conform to layout

Range of Variables

Knowledge
Reference Code Learning Outcomes Learning Objectives
B-6.01.01L demonstrate knowledge of basic layout and its application define terminology associated with basic layout
describe the procedures used to read and transfer sizes from a drawing
calculate layout dimensions and reference points
describe the procedures used to perform a basic layout
B-6.01.02L demonstrate knowledge of basic layout tools, their applications, maintenance and procedures for use identify types of basic layout tools and describe their applications and procedures for use
identify types of layout media/solutions and describe their applications
describe the procedures used to inspect, maintain and store layout tools and equipment
B-6.01.03L demonstrate knowledge of precision layout and its applications describe the procedures used to perform a precision layout
B-6.01.04L demonstrate knowledge of precision layout tools, their applications, maintenance and procedures for use identify precision layout tools and describe their applications and procedures for use
calculate sine bar values
calculate angles, arcs and location from reference point
describe the procedures used to inspect, maintain and store precision layout tools

Range of Variables

B-6.02 - Saws workpiece

Essential Skills: Thinking, Document Use, Oral Communication

B-6.02 - Saws workpiece
NL NS PE NB QC ON MB SK AB BC NT YT NU
yes yes yes yes no yes yes yes yes yes NV NV NV
Skills
Reference Code Performance Criteria Evidence of Attainment
B-6.02.01P select blade and pitch for application blade and pitch are selected for application according to workpiece characteristics and operations to be performed
B-6.02.02P install and tension blade in the frame blade is installed in the frame and tensioned
B-6.02.03P select work holding device work holding device is selected according to workpiece characteristics and operations to be performed
B-6.02.04P set up workpiece in work holding device workpiece is set up in work holding device to protect material and operator
B-6.02.05P perform sawing technique sawing technique is performed to optimize material removal
B-6.02.06P identify problems problems are identified
B-6.02.07P implement solutions problems are eliminated
B-6.02.08P verify workpiece workpiece is verified that it meets specifications by using inspection equipment

Range of Variables

Knowledge
Reference Code Learning Outcomes Learning Objectives
B-6.02.01L demonstrate knowledge of hand saws, their applications, maintenance and procedures for use define terminology associated with hand saws
identify types of hand saws and describe their applications
identify types of sawing operations and describe their associated procedures
identify types of blades and describe their parameters, applications and installation procedures
identify potential problems during sawing operations and describe their causes and solutions
B-6.02.02L demonstrate knowledge of safe work practices and procedures identify hazards and describe safe work practices pertaining to hand saws

B-6.03 - Files workpiece

Essential Skills: Document Use, Thinking, Continuous Learning

B-6.03 - Files workpiece
NL NS PE NB QC ON MB SK AB BC NT YT NU
yes yes yes yes no yes yes yes yes yes NV NV NV
Skills
Reference Code Performance Criteria Evidence of Attainment
B-6.03.01P select and use filing tools for application filing tools are selected and used for application according to workpiece characteristics and operations to be performed
B-6.03.02P select work holding device work holding device is selected according to workpiece characteristics and operations to be performed
B-6.03.03P set up workpiece in work holding device workpiece is set up in work holding device to protect material and operator
B-6.03.04P perform filing technique filing technique is performed according to specifications
B-6.03.05P measure and check feature feature is measured and checked throughout the process to make adjustments
B-6.03.06P identify problems problems are identified
B-6.03.07P implement solutions problems are eliminated
B-6.03.08P remove debris from file debris from file is removed by using file card, and cutting ability of file is restored
B-6.03.09P verify workpiece workpiece is verified that it meets specifications by using inspection equipment

Range of Variables

Knowledge
Reference Code Learning Outcomes Learning Objectives
B-6.03.01L demonstrate knowledge of filing tools, their applications, maintenance and procedures for use identify types of filing tools and describe their applications and procedures for use
describe the procedures used to inspect, maintain and store filing tools
B-6.03.02L demonstrate knowledge of safe work practices and procedures identify hazards and describe safe work practices pertaining to filing tools

Range of Variables

B-6.04 - Performs hole making operations

Essential Skills: Document Use, Thinking, Numeracy

B-6.04 - Performs hole making operations
NL NS PE NB QC ON MB SK AB BC NT YT NU
yes yes yes yes yes yes yes yes yes yes NV NV NV
Skills
Reference Code Performance Criteria Evidence of Attainment
B-6.04.01P select prick punch and centre punch prick punch and centre punch are selected
B-6.04.02P punch layout layout is punched to determine drilling position
B-6.04.03P select handheld tool and centre drill for application handheld tool and centre drill is selected for application according to hole size
B-6.04.04P centre drill workpiece workpiece is centre drilled
B-6.04.05P select drill for application drill is selected for application according to workpiece and operations to be performed
B-6.04.06P drill the workpiece workpiece is drilled
B-6.04.07P select countersink for application countersink is selected for application
B-6.04.08P countersink workpiece workpiece hole is countersunk
B-6.04.09P select reamer for application reamer is selected for application
B-6.04.10P ream workpiece workpiece is reamed
B-6.04.11P measure and check feature feature is measured and checked throughout the process to make adjustments
B-6.04.12P identify problems problems are identified
B-6.04.13P implement solutions problems are eliminated
B-6.04.14P verify feature feature is verified that it meets specifications by using inspection equipment

Range of Variables

Knowledge
Reference Code Learning Outcomes Learning Objectives
B-6.04.01L demonstrate knowledge of drilling, reaming and countersink operations describe the procedures used for spotting and drilling work
identify types of drills and hand reamers and procedures for use
describe the procedures used for drilling and reaming work

B-6.05 - Performs threading operations

Essential Skills: Document Use, Numeracy, Thinking

B-6.05 - Performs threading operations
NL NS PE NB QC ON MB SK AB BC NT YT NU
yes yes yes yes yes yes yes yes yes yes NV NV NV
Skills
Reference Code Performance Criteria Evidence of Attainment
B-6.05.01P select taps or dies taps or dies are selected according to specifications
B-6.05.02P select tap handle or die stock tap handle or die stock is selected according to tool, workpiece and operations to be performed
B-6.05.03P select work holding device work holding device is selected according to workpiece characteristics and operations to be performed
B-6.05.04P set up workpiece in work holding device workpiece is set up in work holding device to protect material and operator
B-6.05.05P tap or thread workpiece workpiece is tapped or threaded
B-6.05.06P measure and check feature feature is measured and checked throughout the process to make adjustments
B-6.05.07P identify problems problems are identified
B-6.05.08P implement solutions problems are eliminated
B-6.05.09P verify feature feature is verified that it meets specifications by using inspection equipment

Range of Variables

Knowledge
Reference Code Learning Outcomes Learning Objectives
B-6.05.01L demonstrate knowledge of threads and their applications define terminology associated with threads
identify types of threads and describe their purpose and applications
explain thread fit, classifications and series
identify types of thread inserts and describe their applications and installation procedures
describe the importance of thread fit and the use of thread gauges
identify types of thread failures and describe their causes and solutions
describe the procedures used to produce threads using taps and dies
identify types of taps and dies and describe their applications and procedures for use
describe the procedure to extract broken taps
B-6.05.02L demonstrate knowledge of the procedures used to measure and gauge threads calculate and select tap drill sizes in metric and imperial
identify methods used to measure and gauge threads and describe their associated procedures
B-6.05.03L demonstrate knowledge of safe work practices and procedures identify hazards and describe safe work practices pertaining to threading

B-6.06 - Installs thread inserts

Essential Skills: Document Use, Numeracy, Thinking

B-6.06 - Installs thread inserts
NL NS PE NB QC ON MB SK AB BC NT YT NU
yes yes yes yes yes yes yes yes yes yes NV NV NV
Skills
Reference Code Performance Criteria Evidence of Attainment
B-6.06.01P clean hole hole is cleaned to ensure no contamination
B-6.06.02P select type of thread insert type of thread insert is selected according to size, length, application and specifications
B-6.06.03P select installation tool installation tool is selected according to insert size and type
B-6.06.04P select work holding device work holding device is selected according to workpiece characteristics
B-6.06.05P set up workpiece in work holding device workpiece is set up in work holding device to protect material and operator
B-6.06.06P install thread insert thread insert is installed to strengthen or repair the thread
B-6.06.07P verify feature feature is verified that it meets specifications by using inspection equipment

Range of Variables

Knowledge
Reference Code Learning Outcomes Learning Objectives
B-6.06.01L demonstrate knowledge of thread inserts and their applications identify types of thread inserts and describe their applications and installation procedures
explain thread fit, classifications and series
describe the importance of thread fit and the use of thread gauges
identify types of thread insert failures and describe their causes and solutions
B-6.06.02L demonstrate knowledge of the procedures used to measure and gauge threads calculate and select tap drill sizes in metric and imperial
identify methods used to measure and gauge threads and describe their associated procedures
B-6.06.03L demonstrate knowledge of safe work practices and procedures identify hazards and describe safe work practices pertaining to threading

B-6.07 - Broaches workpiece

Essential Skills: Numeracy, Thinking, Document Use

B-6.07 - Broaches workpiece
NL NS PE NB QC ON MB SK AB BC NT YT NU
yes yes yes yes yes yes yes yes yes yes NV NV NV
Skills
Reference Code Performance Criteria Evidence of Attainment
B-6.07.01P select type of broach, bushing and shim type of broach, bushing and shim is selected according to specifications
B-6.07.02P perform broaching technique broaching technique is performed
B-6.07.03P measure and check feature feature is measured and checked throughout the process to make adjustments
B-6.07.04P identify problems problems are identified
B-6.07.05P implement solutions problems are eliminated
B-6.07.06P verify feature feature is verified that it meets specifications using inspection equipment

Range of Variables

Knowledge
Reference Code Learning Outcomes Learning Objectives
B-6.07.01L demonstrate knowledge of broaches and broaching equipment, their applications, set up and procedures for use define terminology associated with broaches and broaching equipment
describe the procedures used to set up and operate broaching equipment
explain the operating principles of broaching equipment
identify types of broaching equipment and describe their components and applications
identify types of tooling for broaching equipment and describe their applications
describe the procedures used to hand broach keyways
B-6.07.02L demonstrate knowledge of safe work practices and procedures identify hazards and describe safe work practices pertaining to broaches and broaching machines

B-6.08 - Performs pressing operations

Essential Skills: Document Use, Thinking, Numeracy

B-6.08 - Performs pressing operations
NL NS PE NB QC ON MB SK AB BC NT YT NU
yes yes yes yes yes yes yes yes yes yes NV NV NV
Skills
Reference Code Performance Criteria Evidence of Attainment
B-6.08.01P select press press is selected according to workpiece characteristics and operations to be performed
B-6.08.02P select work holding device work holding device is selected according to workpiece characteristics and operations to be performed
B-6.08.03P set up workpiece in work holding device workpiece is set up in work holding device to protect material and operator
B-6.08.04P set work table height on hydraulic press work table height on hydraulic press is set to accommodate workpiece
B-6.08.05P identify interference tolerances interference tolerances for specific application are identified according to specifications
B-6.08.06P perform pressing techniques pressing techniques are performed
B-6.08.07P measure and check feature feature is measured and checked throughout the process to make adjustments
B-6.08.08P identify problems problems are identified
B-6.08.09P implement solutions problems are eliminated
B-6.08.10P verify feature feature is verified that it meets specifications using inspection equipment

Range of Variables

Knowledge
Reference Code Learning Outcomes Learning Objectives
B-6.08.01L demonstrate knowledge of press equipment, their applications, maintenance and procedures for use define terminology associated with press equipment
describe the procedures used to set up and operate press equipment
explain the operating principles of press equipment
identify types of press equipment and describe their components and applications
B-6.08.02L demonstrate knowledge of safe work practices and procedures identify hazards and describe safe work practices pertaining to the use of press equipment

B-6.09 - Forms workpiece

Essential Skills: Numeracy, Document Use, Thinking

B-6.09 - Forms workpiece
NL NS PE NB QC ON MB SK AB BC NT YT NU
yes yes yes yes no yes yes yes yes no NV NV NV
Skills
Reference Code Performance Criteria Evidence of Attainment
B-6.09.01P select heating equipment heating equipment is selected according to workpiece
B-6.09.02P set up heating equipment heating equipment is set up
B-6.09.03P select work holding device work holding device is selected according to workpiece
B-6.09.04P set up workpiece in work holding device workpiece is set up in work holding device to protect material and operator
B-6.09.05P determine bend allowance bend allowance is determined
B-6.09.06P perform heating technique heating technique is performed if required to make workpiece malleable
B-6.09.07P perform bending process bending process is performed according to specifications
B-6.09.08P measure and check feature feature is measured and checked throughout the process to make adjustments
B-6.09.09P identify problems problems are identified
B-6.09.10P implement solutions problems are eliminated
B-6.09.11P verify feature feature is verified that it meets specifications using inspection equipment

Range of Variables

Knowledge
Reference Code Learning Outcomes Learning Objectives
B-6.09.01L demonstrate knowledge of heating processes used in machining operations and their applications define terminology associated with heating processes
identify heating processes and describe their characteristics and applications
identify types of heating equipment and describe their applications
describe the procedures used to inspect and store heating equipment
B-6.09.02L demonstrate knowledge of bending processes used in machining operations and their applications define terminology associated with bending processes
identify bending processes and describe their characteristics and applications
identify types of bending equipment and describe their applications
B-6.09.03L demonstrate knowledge of safe work practices and procedures identify hazards and describe safe work practices pertaining to heating and bending processes

Range of Variables

B-6.10 - Finishes workpiece

Essential Skills: Numeracy, Document Use, Thinking

B-6.10 - Finishes workpiece
NL NS PE NB QC ON MB SK AB BC NT YT NU
yes yes yes yes yes yes yes yes yes no NV NV NV
Skills
Reference Code Performance Criteria Evidence of Attainment
B-6.10.01P select finishing process finishing process is selected according to specifications
B-6.10.02P clean workpiece workpiece is cleaned
B-6.10.03P select abrasives abrasives are selected according to workpiece characteristics and operations to be performed
B-6.10.04P select work holding device work holding device is selected according to workpiece characteristics and operations to be performed
B-6.10.05P set up workpiece in work holding device workpiece is set up in work holding device to protect material and operator
B-6.10.06P perform finishing technique finishing technique is performed to achieve required finish
B-6.10.07P measure workpiece workpiece is measured throughout the process to make finish adjustments
B-6.10.08P identify problems problems are identified
B-6.10.09P implement solutions problems are eliminated
B-6.10.10P clean workpiece workpiece is cleaned to remove debris
B-6.10.11P verify workpiece workpiece is verified that it meets specifications using inspection equipment
B-6.10.12P protect finished workpiece finished workpiece is protected using material

Range of Variables

Knowledge
Reference Code Learning Outcomes Learning Objectives
B-6.10.01L demonstrate knowledge of abrasives, their applications and procedures for use define terminology associated with abrasive finishing
identify types of abrasives and describe their characteristics and applications
B-6.10.02L demonstrate knowledge of safe work practices and procedures identify hazards and describe safe work practices pertaining to abrasives
B-6.10.03L demonstrate knowledge of abrasive finishing techniques describe the procedures used to shape or finish a workpiece using abrasive techniques
identify types of materials and equipment used to lap and hone workpieces
identify lapping and honing techniques and describe their associated procedures
identify types of materials and equipment used to buff and polish workpieces
identify polishing and blending techniques and describe their associated procedures

Task B-7 Refurbishes components

Task Descriptor

Machinists refurbish components by disassembling, analyzing, repairing and reassembling them. Refurbishment is performed to accomplish a mechanical repair rather than replacing items with new ones.

B-7.01 - Disassembles components

Essential Skills: Document Use, Numeracy, Thinking

B-7.01 - Disassembles components
NL NS PE NB QC ON MB SK AB BC NT YT NU
yes yes yes yes yes yes yes yes yes yes NV NV NV
Skills
Reference Code Performance Criteria Evidence of Attainment
B-7.01.01P read documentation documentation is read to assess required disassembly
B-7.01.02P select and use tools tools are selected and used according to workpiece characteristics and operations to be performed
B-7.01.03P record disassembly records of disassembly are kept
B-7.01.04P mark components components are marked to aid reassembly
B-7.01.05P remove necessary components necessary components are removed according to workpiece characteristics and operations to be performed

Range of Variables

Knowledge
Reference Code Learning Outcomes Learning Objectives
B-7.01.01L demonstrate knowledge of the procedures used for refurbishing components identify types of fits, clearances, tolerances and serviceable limits
identify types of components and describe their disassembly procedures
identify types of tools used in refurbishing and describe their procedures for use
interpret documentation pertaining to refurbishing components
describe the order of operations used to disassemble components

Range of Variables

B-7.02 - Analyzes components

Essential Skills: Thinking, Document Use, Numeracy

B-7.02 - Analyzes components
NL NS PE NB QC ON MB SK AB BC NT YT NU
yes yes yes yes yes yes yes yes yes yes NV NV NV
Skills
Reference Code Performance Criteria Evidence of Attainment
B-7.02.01P identify components components are identified
B-7.02.02P clean components components are cleaned to remove debris and undesired substances
B-7.02.03P inspect components components are visually inspected for defects
B-7.02.04P measure components components are measured according to specifications using inspection equipment
B-7.02.05P analyze and document findings findings are analyzed and documented according to specifications
B-7.02.06P determine need for replacement or repair of faulty components need for repair or replacement of faulty components is determined according to analysis

Range of Variables

Knowledge
Reference Code Learning Outcomes Learning Objectives
B-7.02.01L demonstrate knowledge of the procedures used to analyze components describe the procedures used to clean components
describe the procedures used to inspect components
identify inspection equipment used to inspect components
B-7.02.02L demonstrate knowledge of calculations required to measure components calculate and measure component features
B-7.02.03L demonstrate knowledge of procedures used to prepare documentation describe the procedures used to prepare documentation

Range of Variables

B-7.03 - Assembles components

Essential Skills: Numeracy, Document Use, Thinking

B-7.03 - Assembles components
NL NS PE NB QC ON MB SK AB BC NT YT NU
yes yes yes yes yes yes yes yes yes yes NV NV NV
Skills
Reference Code Performance Criteria Evidence of Attainment
B-7.03.01P replace or repair faulty components faulty components are repaired or replaced
B-7.03.02P read documentation documentation is read to assess required assembly
B-7.03.03P select and use tools tools are selected and used according to operations to be performed
B-7.03.04P lay out and verify components components are laid out and verified before assembly
B-7.03.05P fit components components are fitted according to specifications using techniques
B-7.03.06P measure and check fit fit is measured and checked throughout the process to make adjustments
B-7.03.07P identify problems problems are identified
B-7.03.08P implement solutions problems are eliminated
B-7.03.09P verify repaired assembly repaired assembly is verified according to specifications

Range of Variables

Knowledge
Reference Code Learning Outcomes Learning Objectives
B-7.03.01L demonstrate knowledge of the procedures used for assembling components describe the procedures used to repair or replace mechanical components
identify types of materials used to fit and assemble components and describe their applications and procedures for use
describe the procedures used to fit and assemble components
describe the order of operations used to assemble components
identify tools used to assemble components
B-7.03.02L demonstrate knowledge of calculations required to measure components calculate and measure component features

Range of Variables