nesdmyanmar.orgnesdmyanmar.org/.../2015/04/machinist-level-1-1-1.docx · web viewdescription: the...
TRANSCRIPT
TABLE OF CONTENTS
FOREWARD ……………………………………………………………………………………………... i
GLOSSARY ………………………………………………………………………………………..……… ii
NC LEVEL-1 DESCRIPTION …………………………………………………………………….….. 1
TECHNICAL COMPETENCY
ME-MN-101T1 Perform bench work (Basic)…………………………………….…….. 3
ME-MN-102T1 Turn work piece (Basic)…………………………………………….…….. 8
ME-MN-103T1 Mill work piece (Basic)………………………………………….………… 13
ME-MN-104T1 Grind work piece (Basic)………………………………………………..… 18
INDUSTRIAL COMPETENCY
ME-MN-105I1 Apply safety practices………………………………………………….…
22
ME-MN-106I1 Interpret Working Drawings and Sketches……………………..
26
ME-MN-107I1 Perform shop computations (Basic)………………………………..
30
ME-MN-108I1 Measure workpiece (Basic)……………………………………………..
34
ME-MN-109I1 Perform Preventive and Corrective………………………………….
Maintenance
38
BASIC COMPETENCY
ME-MN-110B1 Receive and respond to workplace communication…………..
42
ME-MN-111B1 Practice Housekeeping Procedures…………………………….........
45
Occupation: MACHINISTDescription: The Machinist sets up and operates a variety of machine tools to perform precision
machining operations in a wide range of industrial settings.Level Descriptor (General)
Qualification Job Level Skill, Knowledge and Attitude National Certificate (NC)-1
Semi-skilled Demonstrate basic knowledge by recall in a narrow range of area
Perform basic or preparatory practical skills in a defined range of tasks
Carry out routine tasks given clear direction Demonstrate understanding of safety requirements Receive and pass on information related to the work Access and record information related to the work Take responsibility for output of self
MACHINIST
The National Skill Certificate (NSC) for Machinist- (Level-I) Skill Qualification comprises of occupational competencies that a person must attain to work as an assistant in precision machining works.
Competency Units for NSC level-1 of assistant in precision machining work
Unit code no. TECHNICAL COMPETENCIES
ME-MN-101T1 Perform bench work (Basic)
ME-MN-102T2 Turn work piece (Basic)
ME-MN-103T1 Mill work piece (Basic)
ME-MN-104T1 Grind work piece (Basic)
Unit Code No. INDUSTRIAL COMPETENCIES
ME-MN-105I1 Apply safety practices
1
ME-MN-106I1 Interpret working drawings and sketches
ME-MN-107I1 Perform shop computations
ME-MN-108I1 Measure work piece
ME-MN-109I1 Perform preventive and corrective maintenance
ME-MN-110I1 Practice Housekeeping Procedures
Unit Code No. BASIC COMPETENCY
ME-MN-111B1 Receive and respond to workplace communication
2
NATIONAL OCCUPATIONAL COMPETENCY STANDARD
Industry : METAL AND ENGINEERING
Occupation Title : MACHINIST
Competency Unit Code : ME-MN-101T1
Competency Unit : PERFORM BENCH WORK
Unit Descriptor :
Competency Level : Level 1
Version No. : 1
Date : April 2016
3
This unit covers the competency required to perform basic bench work operations and check the components for conformance to specifications.
NATIONAL OCCUPATIONAL COMPETENCY STANDARD
Competency Unit Code: ME-MN-101T1
Competency Unit Title: PERFORM BENCH WORK
Competency Elements
This competency unit consists of the following elements:
Element 1: Layout and mark dimensions/ features on work piece.Element 2: Cut, chip and file flat, rectangular or round blocks.Element 3: Drill, ream and lap holes.Element 4: Cut threads using tap and dieElement 5: Off-hand grinds cutting tools.
DESCRIPTION OF COMPETENCY ELEMENTS
Competency Elements Performance Criteria
1. Layout and mark dimensions/ features on work piece
1.1 Materials are selected according to the requirements specified in the drawing.
1.2 Dimensions/features are laid out and marked in accordance with drawing specifications using bench work tools and equipment.
1.3 Lay outing and marking are performed applying knowledge on safety procedures and using personal protective devices.
2. Cut, chip and file flat, rectangular or round blocks
2.1 Work pieces are clamped in work holding devices to avoid damage and accidents.
2.2 Work pieces are cut, chipped or filed to within tolerance
Italicized terms are elaborated in the Range and Context
4
specified in the drawing.2.3 Broken or dull hacksaw blades are replaced according to
requirements2.4 Bench work operations are performed applying
knowledge on safety procedures and using personal protective devices.
3. Drill, ream and lapholes
3.1 Hole is drilled, reamed, spot-faced and lapped to drawing specification.
3.2 Drilling, reaming or lapping holes are performed according to recommended sequence.
3.3 Operations are performed applying knowledge on safety procedures and using personal protective devices.
4. Cut threads using tap and die
4.1 Thread is cut to fit gauge or mating screw, within tolerance given in the drawing
4.2 Thread is cut in accordance with the recommended tapping sequence
4.3 Thread cutting operations are performed applying knowledge on safety procedures and using personal protective devices.
5. Off-hand grind cutting tools
5.1 Cut edges are honed and free of burrs.5.2 Cutter is sharpened to conform with specifications.5.3 Cutters are ground using appropriate cooling agents.5.4 Cutting tool grinding is performed applying knowledge
on safety procedures and using personal protective devices.
RANGE AND CONTEXT
Variable Range
1. Materials Materials used in bench work operations include1.1 Ferrous1.2 Non Ferrous
2. Bench work tools and Equipment
Equipment and tools may include2.1 Drill Press2.2 Pedestal Grinder2.3 Surface plate2.4 Layout and marking tools2.5 Cutting tools (hacksaw, chisel, files)2.6 Drills, reamers, laps
5
2.7 Thread cutting tools (taps and die)2.8 Inspection and measuring tools (templates, vernier
caliper, micrometer, straight edge, gauges, etc…)
3. Work holding Devices Work holding devices include the use of:3.1 Clamps3.2 Vises3.3 Pliers3.4 Grip pliers3.5 Jigs
4. Bench work operations Bench work operations:4.1 Layout and marking4.2 Cutting4.3 Chipping4.4 Filing4.5 Drilling, boring, counter boring, spot-facing4.6 Lapping4.7 Reaming4.8 Thread cutting4.9 Off-hand grinding4.10 Chiselling
EVIDENCE GUIDE
Underpinning Knowledge Underpinning Skill
Shop safety practices Safe working habits Identification of hazardous areas Protective clothing and devices Safe handling of tools, equipment and
materials Housekeeping First-aid Fire extinguishersDrawing/Plans Standard drawing symbols Orthographic and isometric drawingsShop mathematics Basic arithmetic operations Fractions and decimals Percentage and ratios
Obtain work instructions Obtain, interpret and understand the
work instructions,Carry out routine tasks in accordance with Instructions Establish safe and effective work
processes to avoid or minimise reworking avoid wastageLayout and markingSawing, chipping, filing, lappingDrilling, reaming, tappingExternal and internal threading
Off-hand grindingCommunicate effectively in the workplace Communicate in simple language to
enable confirmation of work
6
Conversion of units (English to metric) Trigonometric functions Computation of feed, cutting speed and
machine rpm
Measurements Linear measuring tools (rules, veneer,
micrometre, height gauge) Geometrical tolerancesMaterials and related science Classification and mechanical properties
of engineering materials
requirementsWork with others and in a team Work with others and in a team using co-
operative approaches to optimise satisfaction and productivity
Use measurement techniques Use measurement techniques in
establishing, recording and checking of work
Numeracy skills Perform basic calculations required to
finish the tasksUse of tools Mechanical aptitude and manual
dexterity to use tools. Ability to recognise faults and defects with tools and equipment, and to understand workshop reporting procedures
Evidence may be collected through assessment methods such as: Observation of practical performance Inspection of finished work Oral and/or written questions
7
NATIONAL OCCUPATIONAL COMPETENCY STANDARD
Industry : METAL AND ENGINEERING
Occupation Title : MACHINIST
Competency Unit Code : ME-MN-102T1
Competency Unit : TURN WORK PIECE
Unit Descriptor :
Competency Level : Level 1
Version No. : 1
Date : April 2016
NATIONAL OCCUPATIONAL COMPETENCY STANDARD
8
This unit covers the competencies required to setup and turn work-piece in accordance with instructions. It details the requirements for performing basic lathe operations such as facing and straight turning; cutting grooves , drilling and knurling.
Competency Unit Code: ME-MN-102T1
Competency Unit Title: TURN WORK PIECE
Competency Elements
This competency unit consists of the following elements:Element 1: Determine job requirementsElement 2: Setup work piece.Element 3: Perform turning operations.
Element 4: Check/Measure work piece
DESCRIPTION OF COMPETENCY ELEMENTS
Competency Elements Performance Criteria
1. Determine job requirements
1.1 Drawings are interpreted to produce component to specifications.
1.2 Sequence of operation is determined to produce component to specifications.
1.3 Cutting tools are selected according to the requirements of the operation.
2. Setup workpiece 2.1 Workpiece is mounted and centered on chuck to required level of accuracy using tools and equipment in accordance with worksite procedures.
2.2 Workpiece is setup to required level of accuracy using instruments/equipment according to work site procedures.
2.3 Setup operations are performed applying knowledge on safety procedures and using personal protective devices.
3. Perform turning operations
3.1 Speeds and feeds are calculated using appropriate mathematical techniques and reference material.
3.2 Lathe accessories used are appropriate to the requirements of the operation.
3.3 Lathe operations are performed to produce component to specifications in the drawing.
Italicized terms are elaborated in the Range and Context
9
3.4 Operations are performed applying knowledge on safety procedures and using personal protective devices.
4. Check/Measure workpiece
4.1 Workpiece is checked/measured for conformance to specification using appropriate techniques, measuring tools and equipment.
RANGE AND CONTEXT
Variable Range
1. Drawings Reading and interpretation:1.1 Views and projections1.2 Drawing symbols1.3 Dimensions and features1.4 Tolerances
2. Cutting Tools Cutting tools used in lathe operations include:2.1 Tool bits
2.1.1 High speed steel2.1.2 Carbide Inserts
2.2 Drills2.3 Reamers
3. Workpiece Workpiece materials used in turning operations:3.1 Ferrous metals3.2 Non-ferrous metals3.3 Mild steel3.4 Carbon steel
4. Instruments/equipment 4.1 Surface gauge4.2 Dial indicator on magnetic stand4.3 Micrometer4.4 Vernier caliper4.5 Steel rule
5. Lathe Accessories 5.1 3- and 4-jaw chucks5.2 Magnetic chucks5.3 Face plate5.4 Collect chucks5.5 Lathe centers5.6 Drill chucks5.7 Knurling tools5.8 Boring bar5.9 Dead centers
10
5.10 Metal cutting tool
6. Lathe Operations Basic lathe operations:6.1 facing6.2 straight turning6.3 step turning6.4 taper turning6.5 cutting recess, shoulders, grooves and chamfers6.4 drilling, boring, counterboring, countersinking, reaming6.5 knurling6.6 using Tap and Die6.7 parting-off6.8 cutting external taper using compound slide or formed
tool
7. Measuring Tools 7.1 Steel rule7.2 Venire calliper7.3 Micrometre calliper7.4 Gauges (thread, drill, surface finish, radius, screw pitch, taper)
EVIDENCE GUIDE
Underpinning Knowledge Underpinning Skill
Basic and general knowledge of:-Shop safety practices Safe working habits Identification of hazardous areas Protective clothing and devices Safe handling of tools, equipment and
materials Housekeeping First-aid Fire extinguishersDrawing interpretation Standard drawing scales, symbols and
abbreviations Interpreting tolerances, limits and fitsShop mathematics Basic arithmetic operationsMeasurements Linear measuring tools (rules, vernier,
Obtain work instructions Obtain, interpret and understand the
work instructions.Carry out routine tasks in accordance with Instructions Establish safe and effective work
processes to avoid or minimise reworking avoid wastage
Communicate effectively in the workplace
Communicate in simple language to enable confirmation of work requirements
Work with others and in a team Work with others and in a team using
co-operative approaches to optimise satisfaction and productivity
Use measurement techniques
11
micrometer) Angle measuring tools Dial Indicator Slip gaugesMaterials and related science Classification and mechanical properties
of engineering materialsLathe machine operations Lathe types and specifications Lathe parts and functions Setting cutting speed, rpm, feed rate Work holding and tool holding devices Turning tools and tool geometry Tooling, set up and parameters in
turning operations Lathe accessories, fixtures and
attachments
Use measurement techniques in establishing, recording and checking of work
Numeracy skills Perform basic calculations required to
finish the tasksUse of tools Mechanical aptitude and manual
dexterity to use tools. Ability to recognise faults and defects with tools and equipment, and to understand workshop reporting procedures
Evidence may be collected through assessment methods such as: Observation of practical performance Inspection of finished work Oral and/or written questions
12
NATIONAL OCCUPATIONAL COMPETENCY STANDARD
Industry : METAL AND ENGINEERING
Occupation Title : MACHINIST
Competency Unit Code : ME-MN-103T1
Competency Unit : MILL WORKPIECE
Unit Descriptor :
Competency Level : Level 1
Version No. : 1
Date : April 2016
13
This unit covers the competencies required to setup and mill workpiece to drawing specifications. It details the requirements for performing basic milling operations.
NATIONAL OCCUPATIONAL COMPETENCY STANDARD
Competency Unit Code: ME-MN-103T1
Competency Unit Title: MILL WORKPIECE
Competency Elements
This competency unit consists of the following elements:
Element 1: Determine job requirementsElement 2: Setup workpiece.Element 3: Perform milling operations.Element 4: Check/Measure workpiece
DESCRIPTION OF COMPETENCY ELEMENTS
Competency Elements Performance Criteria
1. Determine job requirements
1.1 Drawings are interpreted to produce component to specifications.
1.2 Sequence of operation is determined to produce component to specifications.
1.3 Cutting tools are selected according to the requirements of the operation.
2. Setup workpiece 2.1 Workpiece is setup to required level of accuracy using instruments/equipment according to work site procedures.
2.2 Setup operations are performed applying knowledge on safety procedures and using personal protective devices.
3. Perform turning operations
3.1 Speeds and feeds are set to requirements of the job.3.2 Milling machine accessories used are appropriate to the
requirements of the operation.3.3 Milling operations are performed to produce
component to specifications in the drawing.3.4 Milling operations are performed applying knowledge on
safety procedures and using personal protective
Italicized terms are elaborated in the Range and Context
14
devices.
4. Check/Measure workpiece
4.1 Workpiece is checked/measured for conformance to specification using appropriate techniques, measuring tools and equipment.
RANGE AND CONTEXT
Variable Range
1. Cutting Tools Cutting tools used in milling operations include:1 Drills2 Reamers3 Slab mills4 End mills5 Shell mills6 Side and face cutters7 Formed cutter8 Slitter9 T-slot cutter10 Face mills11 Ball end mills1.12 Plain mills
2. Workpiece Workpiece materials used in milling operations:1 Ferrous2.3 Non-ferrous2.4 Mild Steel2.5 Carbon Steel2.6 Cast Iron
3. Milling machine accessories
1 Workholding devices:1.1 clamps1.2 vises1.3 angle plates
2 Rotary tables
4. Milling Operations Basic milling operations:1 drilling2 boring3 spot facing4 milling slot and keyways5 milling serrations6 milling vees
15
7 parting-off8 milling circular slots
5. Safety Procedures Shop safety involves the handling of:1 Equipment2 Tools3 Materials
6. Measuring Tools 1 Steel rule2 Vernier caliper3 Micrometer caliper4 Gauges (bore, surface finish, radius, depth)6.5 Slip gauge
EVIDENCE GUIDE
Underpinning Knowledge Underpinning Skill
Basic and general knowledge of:-
Shop safety practices
Safe working habits Identification of hazardous areas Protective clothing and devices Safe handling of tools, equipment and
materials Housekeeping First-aid Fire extinguishersDrawing interpretation Drawing symbols Fits and tolerances Sketches and mechanical drawingShop mathematics Basic arithmetic operations Computation of feed, cutting speed and
machine rpmMeasurements Linear measuring tools (rules, vernier,
height gauge) Geometrical tolerancesMaterials and related science Classification and mechanical properties
Obtain work instructionsObtain, interpret and understand the work instructions.
Carry out routine tasks in accordance with InstructionsEstablish safe and effective work processes to avoid or minimise reworking avoid wastage
Communicate effectively in the workplaceCommunicate in simple language to enable confirmation of work requirements
Work with others and in a teamWork with others and in a team using co-operative approaches to optimise satisfaction and productivity
Use measurement techniquesUse measurement techniques in establishing, recording and checking of work
Numeracy skillsPerform basic calculations required to finish the tasks
Use of tools
16
of engineering materialsMilling operations Milling types and specifications Milling machine parts and functions Milling cutters and holders Setting cutting speed, rpm, feed rate Work-holding devices Milling machine accessories, fixtures and
attachments
Mechanical aptitude and manual dexterity to use tools. Ability to recognise faults and defects with tools and equipment, and to understand workshop reporting procedures
Evidence may be collected through assessment methods such as: Observation of practical performance Inspection of finished work Oral and/or written questions
17
NATIONAL OCCUPATIONAL COMPETENCY STANDARD
Industry : METAL AND ENGINEERING
Occupation Title : MACHINIST
Competency Unit Code : ME-MN-104T1
Competency Unit : GRIND WORKPIECE
Unit Descriptor :
Competency Level : Level 1
Version No. : 1
Date : April 2016
NATIONAL OCCUPATIONAL COMPETENCY STANDARD
18
This unit covers the competencies required to setup and grind work piece to drawing specifications. It details the requirements for basic grinding and cutting off parts.
Competency Unit Code: ME-MN-104T1
Competency Unit Title: GRIND WORKPIECE
Competency ElementsThis competency unit consists of the following elements:Element 1: Determine job requirements.Element 2: Select wheels and accessories.Element 3: Perform grinding operations.Element 4: Check/Measure component
DESCRIPTION OF COMPETENCY ELEMENTS
Competency Elements Performance Criteria
1. Determine job requirements
1.1 Drawings are interpreted to produce component to specifications.
1.2 Sequence of operation is determined to produce component to specifications.
1.3 Workholding devices are selected according to the requirements of the operation.
2. Select wheels and accessories
2.1 Grinding wheels are selected, inspected, mounted, dressed and trued according to worksite procedures to produce component to specifications.
2.2 Accessories selected are appropriate to the requirements of the operation.
2.3 Machine guards, coolant and dust extraction devices are checked according to worksite procedure.
3. Perform grinding operations
3.1 Grinding machine is setup and adjusted in accordance with worksite procedures.
3.2 Work piece is held or clamped to avoid damage.3.3 Grinding operations are performed safely, utilizing
guards, safety procedures and personal protective clothing and devices.
3.4 Grinding operations are performed to produce component to specifications in the drawing.
4. Check/Measure component
4.1 Workpiece is checked/measured for conformance to specification using appropriate techniques, measuring
Italicized terms are elaborated in the Range and Context
19
tools and equipment.
RANGE AND CONTEXT
Variable Range
1. Grinding wheels Wheels are selected according to:1 types2 grades3 sizes
2. Accessories 1 magnetic chuck2 vices3 clamps4 angle plates5 adapter plates6 parallels7 wheel dresser
3. Grinding machine 1 Horizontal spindle surface grinder2 Vertical spindle surface grinder3 Pedestal grinding machine
4. Grinding operations Grinding4.1 parallel faces4.2 square surfaces4.3 angles4.4 to a square shoulder4.5 to cut off parts
EVIDENCE GUIDE
Underpinning Knowledge Underpinning Skill
Basic and general knowledge of:-Shop safety practices Safe working habits Identification of hazardous areas Protective clothing and devices Safe handling of tools, equipment and
materials Housekeeping
Obtain work instructionsObtain, interpret and understand the work instructions.
Carry out routine tasks in accordance with InstructionsEstablish safe and effective work processes to avoid or minimise reworking avoid wastage
20
First-aid Fire extinguishersDrawing interpretation Drawing symbols Fits and tolerances Sketches and mechanical drawingShop mathematics Basic arithmetic operations Computation of feed, cutting speed and
machine rpmMeasurements Linear measuring tools (rules, vernier, ) Dial indicator Precision square Bevel protractor Vernier height gage Gauge blocks Sine bar Radius gage Precision square
Materials and related science Classification and mechanical properties
of engineering materials Lubricants and coolantsGrinding operations Grinding machine types and
specifications Grinding machine parts and functions Grinding wheels Work holding devices Grinding machine accessories, fixtures
and attachments
Communicate effectively in the workplaceCommunicate in simple language to enable confirmation of work requirements
Work with others and in a teamWork with others and in a team using co-operative approaches to optimise satisfaction and productivity
Use measurement techniquesUse measurement techniques in establishing, recording and checking of work
Numeracy skillsPerform basic calculations required to finish the tasks
Use of toolsMechanical aptitude and manual dexterity to use tools. Ability to recognise faults and defects with tools and equipment, and to understand workshop reporting procedures
Evidence may be collected through assessment methods such as: Observation of practical performance Inspection of finished work Oral and/or written questions
21
NATIONAL OCCUPATIONAL COMPETENCY STANDARD
Industry : METAL AND ENGINEERING
Occupation Title : MACHINIST
Competency Unit Code : ME-MN-105I1
Competency Unit : APPLY SAFETY PRACTICES
Unit Descriptor :
Competency Level : Level 1
Version No. : 1
Date : April 2016
22
This unit covers the competencies required to apply safety practices in the workplace.
NATIONAL OCCUPATIONAL COMPETENCY STANDARD
Competency Unit Code: ME-MN-105I1
Competency Unit Title: APPLY SAFETY PRACTICES
Competency ElementsThis competency unit consists of the following elements:Element 1: Identify hazards.Element 2: Use protective clothing and devices.Element 3: Perform safe handling of tools, equipment and materials.Element 4: Perform first aidElement 5: Use fire extinguisher
DESCRIPTION OF COMPETENCY ELEMENTS
Competency Elements Performance Criteria
1. Identify hazards 1.1 Hazards are identified correctly in accordance with OHS principles.
1.2 Safety signs and symbols are identified and adhered to.
2. Use protective clothing and equipment
2.1 Appropriate protective clothing and devices correctly selected and used in accordance with OHS requirements or industry/company policy
3. Perform safe handling of tools, equipment and materials
3.1 Safety procedures for pre-use check and operation of tools and equipment followed in accordance with industry/ company policies.
3.2 Tools, equipment and materials handled safely in accordance with OHS requirements and industry/ company policies.
4. Perform first aid 4.1 First aid treatment of injuries are carried out according to recommended procedures
5. Use fire extinguisher 5.1 Fire extinguisher selected and operated correctly according to the type of fire.
Italicized terms are elaborated in the Range and Context
23
RANGE AND CONTEXT
Variable Range
1. Hazards Protective clothing and devices may include but is not limited to:1.1 safety glasses/goggles1.2 safety shoes1.3 overalls1.4 cap
2. Protective clothing and devices Injuries may include:2.1 burns/scalds2.2 fractures2.3 cuts and abrasions2.4 poisoning2.5 foreign bodies in the eye2.6 concussion2.7 shock
3. Injuries Fires involving or caused by:3.1 common combustibles (wood, cloth, paper,
rubber and plastic)3.2 flammable liquids (gasoline, oil, solvents, paints,
etc.)3.3 energized electrical equipment (wiring, fuse
boxes, circuit breakers, appliances, etc.3.4 combustible metals (magnesium, sodium, etc.)
4. Type of fires Protective clothing and devices may include but is not limited to:4.1 safety glasses/goggles4.2 safety shoes4.3 overalls4.4 cap
EVIDENCE GUIDE
Underpinning Knowledge Underpinning Skill
Basic and general knowledge of:- Shop safety signs, symbols and alarms Safety precautionary measures
Obtain work instructionsObtain, interpret and understand the work instructions.
24
Housekeeping Machine tools First aid Fire extinguishers
Carry out routine tasks in accordance with InstructionsEstablish safe and effective work processes to avoid or minimise reworking avoid wastage
Communicate effectively in the workplaceCommunicate in simple language to enable confirmation of work requirements
Work with others and in a teamWork with others and in a team using co-operative approaches to optimise satisfaction and productivity
Use of toolsMechanical aptitude and manual dexterity to use tools. Ability to recognise faults and defects with tools and equipment, and to understand workshop reporting procedures
Evidence may be collected through assessment methods such as: Observation of practical performance Inspection of finished work Oral and/or written questions
25
NATIONAL OCCUPATIONAL COMPETENCY STANDARD
Industry : METAL AND ENGINEERING
Occupation Title : MACHINIST
Competency Unit Code : ME-MN-106I1
Competency Unit : INTERPRET WORKING DRAWINGS AND SKETCHES
Unit Descriptor :
Competency Level : Level 1
Version No. : 1
Date : April 2016
NATIONAL OCCUPATIONAL COMPETENCY STANDARD
26
This unit covers the competency required to read and interpret drawings and sketches.
Competency Unit Code: ME-MN-106I1
Competency Unit Title: INTERPRET WORKING DRAWINGS AND SKETCHES
Competency Elements
This competency unit consists of the following elements:
Element 1: Interpret technical drawings.Element 2: Prepare freehand sketch of parts.Element 3: Interpret details from freehand sketch.
DESCRIPTION OF COMPETENCY ELEMENTS
Competency Elements Performance Criteria
1. Interpret technical drawings
1.1 Components, assemblies or objects recognized as required.
1.2 Dimensions identified as appropriate.1.3 Instructions identified and followed as required.1.4 Material requirements identified as required.1.5 Symbols recognized as appropriate in the drawing.1.6 Tolerance, limits and fits identified in the drawing.
2. Prepare freehand sketch of parts
2.1 Sketch drawn correctly and appropriately.2.2 Sketch depicted objects or part appropriately.2.3 Dimensions indicated in sketch are clear and correct.2.4 Instructions included in sketch are clear and correct.2.5 Base line or datum points indicated as required.
3. Interpret details from freehand sketch
3.1 Components, assemblies or objects recognized as required.
3.2 Dimensions identified as appropriate.3.3 Instructions identified and followed as required.3.4 Material requirements identified as required.3.5 Symbols recognized as appropriate in the drawing.
Italicized terms are elaborated in the Range and Context
27
RANGE AND CONTEXT
Variable Range
1. Drawing 1.1 Drawing technique include1.1.1 Perspective1.1.2 Exploded view1.1.3 Hidden view technique
2. Tolerance 2.1 General tolerance2.2 Angular tolerance2.3 Geometric tolerance
EVIDENCE GUIDE
Underpinning Knowledge Underpinning Skill
Basic and general knowledge of:- Drawing symbols Tolerance, limits and fits
Obtain work instructionsObtain, interpret and understand the work instructions.
Carry out routine tasks in accordance with InstructionsEstablish safe and effective work processes to avoid or minimise reworking avoid wastage
Communicate effectively in the workplaceCommunicate in simple language to enable confirmation of work requirements
Work with others and in a teamWork with others and in a team using co-operative approaches to optimise satisfaction and productivity
Use measurement techniquesUse measurement techniques in establishing, recording and checking of work
Numeracy skillsPerform basic calculations required to finish the tasks
Evidence may be collected through assessment methods such as:
28
Observation of practical performance Inspection of finished work Oral and/or written questions
29
NATIONAL OCCUPATIONAL COMPETENCY STANDARD
Industry : METAL AND ENGINEERING
Occupation Title : MACHINIST
Competency Unit Code : ME-MN-107I1
Competency Unit : PERFORM SHOP COMPUTATION
Unit Descriptor :
Competency Level : Level 1
Version No. : 1
Date : April 2016
NATIONAL OCCUPATIONAL COMPETENCY STANDARD
30
This unit covers the competency required to perform basic calculations using the four fundamental operations.
Competency Unit Code: ME-MN-107I1
Competency Unit Title: PERFORM SHOP COMPUTATION
Competency Elements
This competency unit consists of the following elements:
Element 1: Perform four fundamental operations.Element 2: Perform basic calculations involving fractions and decimalsElement 3: Perform basic calculations involving percentages.Element 4: Perform basic calculation involving ration and proportionElement 5: Perform calculations on algebraic expressions
DESCRIPTION OF COMPETENCY ELEMENTS
Competency Elements Performance Criteria
1. Perform four fundamental operations.
1.1 Simple calculations performed using four fundamental operations.
1.2 Simple calculations performed involving fractions and mixed numbers using four fundamental operations
2. Perform basic calculations involving fractions and decimals
2.1 Simple calculations are performed involving fractions and decimals using the four fundamental operations.
2.2 Decimal are converted into fraction (and vice versa) accurately
3. Perform basic calculations involving percentages.
3.1 Simple calculations are performed to obtain percentages from information expressed in either fractional or decimal format
4. Perform basic calculation involving ration and proportion
4.1 Simple calculations are performed involving ratios and proportion using whole numbers, fractions and decimal fractions.
5. Perform calculations on algebraic expressions
5.1 Simple calculations are performed on algebraic expressions using the four fundamental operations.
5.2 Simple transposition of formulae is carried out to isolate
Italicized terms are elaborated in the Range and Context
31
the variable required, involving the four fundamental operations.
RANGE AND CONTEXT
Variable Range
1. Four fundamental operations 1.1 Addition1.2 Subtraction1.3 Multiplication1.4 Division
EVIDENCE GUIDE
Underpinning Knowledge Underpinning Skill
Basic and general knowledge of:-Shop mathematics Basic arithmetic operations Computation of feed, cutting speed and
machine rpmMeasurements Linear measuring tools (rules, vernier,
micrometer) Dial indicator Precision square Bevel protractor Vernier height gage Gauge blocks Sine bar Radius gage Precision square
Obtain work instructionsObtain, interpret and understand the work instructions.
Carry out routine tasks in accordance with InstructionsEstablish safe and effective work processes to avoid or minimise reworking avoid wastage
Communicate effectively in the workplaceCommunicate in simple language to enable confirmation of work requirements
Work with others and in a teamWork with others and in a team using co-operative approaches to optimise satisfaction and productivity
Use measurement techniquesUse measurement techniques in establishing, recording and checking of work
Numeracy skillsPerform basic calculations required to finish the tasks
32
Evidence may be collected through assessment methods such as: Observation of practical performance Inspection of finished work Oral and/or written questions
33
NATIONAL OCCUPATIONAL COMPETENCY STANDARD
Industry : METAL AND ENGINEERING
Occupation Title : MACHINIST
Competency Unit Code : ME-MN-108I1
Competency Unit : MEASURE WORKPIECE
Unit Descriptor :
Competency Level : Level 1
Version No. : 1
Date : April 2016
NATIONAL OCCUPATIONAL COMPETENCY STANDARD
Competency Unit Code: ME-MN-108I1
34
This unit covers the competencies required to measure work pieces using measuring instruments such as steel rules, venire calipers.
Competency Unit Title: MEASURE WORKPIECE
Competency Elements
This competency unit consists of the following elements:
Element 1: Select and use measuring toolsElement 2: Clean and store measuring tools
DESCRIPTION OF COMPETENCY ELEMENTS
Competency Elements Performance Criteria
1. Select and use measuring tools
1.1 Measuring tools are selected and used according to the level of accuracy required.
1.2 Measurements taken are accurate to the finest graduation of the selected measuring instrument.
1.3 Measuring technique used is correct and appropriate to the device used.
2. Clean and store measuring tools
2.1 Care and storage of devices undertaken to manufacturer’s specifications or standard operating procedures.
RANGE AND CONTEXT
Variable Range
1. Measuring tools Measuring tools include:
1.1 Steel tape1.2 Steel rule1.3 Straight edge1.4 Combination square1.5 Steel square1.6 Divider or trammel1.7 Caliper1.8 Protractor
Italicized terms are elaborated in the Range and Context
35
1.9 Vernier caliper1.10 Micrometer
2. Measurements 2.1 length2.2 diameter2.3 depth2.4 flatness2.5 straightness2.6 squareness
EVIDENCE GUIDE
Underpinning Knowledge Underpinning Skill
Basic and general knowledge of:- Types, purposes and accuracy of
measuring instruments Capability of measuring instruments Part dimensions and tolerances Techniques for measuring dimensions Care and storage procedure of
measuring tools
Obtain work instructionsObtain, interpret and understand the work instructions.
Carry out routine tasks in accordance with InstructionsEstablish safe and effective work processes to avoid or minimise reworking avoid wastage
Communicate effectively in the workplaceCommunicate in simple language to enable confirmation of work requirements
Work with others and in a teamWork with others and in a team using co-operative approaches to optimise satisfaction and productivity
Use measurement techniquesUse measurement techniques in establishing, recording and checking of work
Numeracy skillsPerform basic calculations required to finish the tasks
Use of toolsMechanical aptitude and manual dexterity to use tools. Ability to recognise faults and defects with tools and equipment, and to understand workshop reporting procedures
36
Evidence may be collected through assessment methods such as: Observation of practical performance Inspection of finished work Oral and/or written questions
37
NATIONAL OCCUPATIONAL COMPETENCY STANDARD
Industry : METAL AND ENGINEERING
Occupation Title : MACHINIST
Competency Unit Code : ME-MN-109I1
Competency Unit : PERFORM PREVENTIVE AND CORRECTIVE MAINTENANCE
Unit Descriptor :
Competency Level : Level 1
Version No. : 1
Date : April 2016
NATIONAL OCCUPATIONAL COMPETENCY STANDARD
Competency Unit Code: ME-MN-109I1
Competency Unit Title: PERFORM PREVENTIVE AND CORRECTIVE MAINTENANCE
38
This unit covers the competency required in performing preventive and corrective maintenance such as inspection and repair of hand tools, cleaning and lubrication of machine parts and changing drive pulley and belts.
Competency Elements
This competency unit consists of the following elements:
Element 1: Perform inspection of machineElement 2: Perform cleaning and lubricating of machineElement 3: Perform minor machine repair and adjustmentsElement 4: Maintain hand tools
DESCRIPTION OF COMPETENCY ELEMENTS
Competency Elements Performance Criteria
1. Perform inspection of machine
1.1 Machine inspected according to worksite procedures.1.2 Status/Report recorded on preform or reported orally
according to worksite procedure.
2. Perform cleaning and lubricating of machine
2.1 Machines lubricated as per manufacturer’s recommendation using appropriate tools and materials
2.2 Fluids and lubricants replaced and/or topped up according to prescribed schedule.
3. Perform minor machine repair and adjustments
3.1 Minor machine repairs performed according to manufacturer’s instruction or worksite procedures.
3.2 Machine moving parts adjusted to manufacturer’s specifications.
4. Maintain hand tools 4.1 Tool cutting ground to recommended specifications4.2 Hand tools lubricated and stored according to prescribed
procedure
RANGE AND CONTEXT
Variable Range
1. Inspected Inspected machine parts include:1.1 V-belt1.2 Bearing
Italicized terms are elaborated in the Range and Context
39
1.3 Gears1.4 Clutch1.5 Drive pulley
2. Machines Machine include but not limited to:2.1 Lathe machine2.2 Milling machine2.3 Grinding machine
3. Tools and materials Tools and materials used include:3.1 Lubricants3.2 Oil can3.3 Grease gun3.4 Oil3.5 Coolant or compound
EVIDENCE GUIDE
Underpinning Knowledge Underpinning Skill
Basic and general Knowledge of:- Proper cleaning and oiling Kinds of oil Parts and function of machine tools Cutting oil, coolant or compound Pulleys and belts Location of main switches of the
machine Handling and storage of tools Checklist of safe working conditions, e.g.
procedures in cleaning and disposal of waste materials
Obtain work instructions Obtain, interpret and understand the work
instructions. Carry out routine tasks in accordance
with Instructions Establish safe and effective work
processes to avoid or minimise reworking avoid wastage
Communicate effectively in the workplace
Communicate in simple language to enable confirmation of work requirements
Work with others and in a team Work with others and in a team using co-
operative approaches to optimise satisfaction and productivity
Use of tools Mechanical aptitude and manual dexterity
to use tools. Ability to recognise faults and defects with tools and equipment, and to understand workshop reporting procedures
40
Evidence may be collected through assessment methods such as: Observation of practical performance Inspection of finished work Oral and/or written questions
NATIONAL OCCUPATIONAL COMPETENCY STANDARD
41
Industry : METAL AND ENGINEERING
Occupation Title : MACHINIST
Competency Unit Code : ME-MN-110B1
Competency Unit : RECEIVE AND RESPOND TO WORKPLACE COMMUNICATION
Unit Descriptor :
Competency Level : Level 1
Version No. : 1
Date : April 2016
NATIONAL COMPETENCY STANDARD
Competency Unit Code: ME-MN-110B1
Competency Unit Title: RECEIVE AND RESPOND TO WORKPLACE COMMUNICATION
Competency Elements
42
This unit covers the competencies required to receive, respond and act on verbal and written communication.
This competency unit consists of the following elements:
Element 1: Follow routine spoken messagesElement 2: Perform workplace duties following written notices
DESCRIPTION OF COMPETENCY ELEMENTS
Competency Elements Performance Criteria*
1. Follow routine verbal messages 1.1 Required information is gathered by listening attentively and correctly and interpreting or understanding information/instructions
1.2 Instructions/information are properly recorded1.3 Instructions are acted upon immediately in
accordance with information received1.4 Clarification is sought from workplace
supervisor on all occasions when any instruction/information is not clear
2. Perform workplace duties following written notices
2.1 Written notices and instructions are read and interpreted correctly in accordance with organizational guidelines
2.2 Routine written instructions are followed in sequence
2.3 Feedback is given to workplace supervisor based on the instructions/information received
RANGE AND CONTEXT
Variable Range
1. Written notices and instructions may include:
Handwritten and printed materials Internal memos External communications
** Italicized terms are elaborated in the Range and Context
43
Electronic mails Briefing notes General correspondence
2. Organizational Guidelines may include: Information documentation procedures Company policies and procedures Organizational manuals Service manuals
EVIDENCE GUIDE
Underpinning Knowledge Underpinning Skills
Basic and general knowledge of:- Organizational policies/ guidelines in
regard to processing internal/external information
Ethical work practices in handling communications
Communication process
Obtain work instructions Obtain, interpret and understand the work
instructions. Carry out routine tasks in accordance with
Instructions Establish safe and effective work processes to
avoid or minimise reworking avoid wastage Communicate effectively in the workplace Communicate in simple language to enable
confirmation of work requirements Accuracy in recording messages/information Understand workshop reporting procedures Work with others and in a team Work with others and in a team using co-
operative approaches to optimise satisfaction and productivity
44
Evidence may be collected through assessment methods such as: Observation of the candidate’s practical performance Inspection of finished work Oral and written questions
NATIONAL OCCUPATIONAL COMPETENCY STANDARD
Industry : METAL AND ENGINEERING
Occupation Title : MACHINIST
Competency Unit Code : ME-MN-111B1
Competency Unit : PRACTICE HOUSE KEEPING
Unit Descriptor :
45
This unit covers the knowledge, skills and attitudes required to apply the basic housekeeping procedures.
Competency Level : Level 1
Version No. : 1
Date : April 2016
NATIONAL OCCUPATIONAL COMPETENCY STANDARD
Competency Unit Code: ME-MN-111B1
Competency Unit Title: PRACTICE HOUSE KEEPING
Competency Elements
This competency unit consists of the following elements:
Element 1: Sort and remove unnecessary itemsElement 2: Arrange itemsElement 3: Maintain work area, tools and equipmentElement 4: Follow work process and proceduresElement 5: Perform work spontaneously
DESCRIPTION OF COMPETENCY ELEMENTS
Competency Elements Performance Criteria*
** Italicized terms are elaborated in the Range and Context
46
1. Sort and remove unnecessary items 1.1 Reusable, recyclable materials are sorted in accordance with organizational procedures
1.2 Unnecessary items are removed and disposed of in accordance with organizational procedures.
2. Arrange items 2.1 Items are arranged in accordance with organizational housekeeping procedures
2.2 Work area is arranged according to job requirements
2.3 Activities are prioritized based on instructions.2.4 Items are provided with clear and visible identification marks based on procedure2.5 Safety equipment and evacuation passages are
kept clear and accessible based on instructions
3. Maintain work area, tools and
Equipment
3.1 Cleanliness and orderliness of work area is maintained in accordance with organizational procedures
3.2 Tools and equipment are cleaned in accordance with manufacturer’s instructions/manual
3.3 Minor repairs are performed on tools and equipment in accordance with manufacturer’s instruction/manual
3.4 Defective tools and equipment are reported to immediate supervisor
4.Follow work process and procedures 4.1 Materials for common use are maintained in designated area based on procedures
4.2 Work is performed according to work procedures
4.3 Abnormal incidents are reported to immediate supervisor.
5. Perform work spontaneously 5.1 Work is performed as per instruction5.2 Organizational decorum is followed and
complied with5.3 Work is performed in accordance with
occupational health and safety (OHS) requirements
47
RANGE AND CONTEXT
Variable Range
1. Unnecessary items may include: Non-recyclable materials Unserviceable tools and equipment Pictures, posters and other materials not
related to work activity Waste materials
2. Identification marks may include: Labels Tags Color coding
3. Decorum may include: Organizational rules and regulations Proper work clothes Behavior
4. Minor repair may include: Application of lubricants Sharpening of tools Tightening of nuts, bolts and screws
EVIDENCE GUIDE
Underpinning Knowledge Underpinning Skill
Basic and general knowledge of:- Principles of 5S Work process and procedures Safety signs and symbols General OH&S principles Environmental requirements relevant to
work Accident/Hazard reporting procedures
Obtain work instructions Obtain, interpret and understand the work
instructions. Carry out routine tasks in accordance
with Instructions Establish safe and effective work processes
to avoid or minimise reworking avoid wastage
Communicate effectively in the workplace Communicate in simple language to enable
confirmation of work requirements Work with others and in a team Work with others and in a team using co-
operative approaches to optimise satisfaction and productivity
Use of toolsMechanical aptitude and manual dexterity to use tools. Ability to recognise faults and defects with tools and equipment, and to
48
understand workshop reporting procedures
Evidence may be collected through assessment methods such as: Observation of the candidate’s practical performance Inspection of finished work Oral and written questions
49