Table of Contents
Task E-12 Sets up conventional lathes
Task Descriptor
Machinists set up conventional lathes including engine lathes, turret lathes and vertical lathes for operations such as turning, boring and threading. Comprehensive lathe skills are essential for fully qualified machinists.
E-12.01 - Selects conventional lathe types
Essential Skills: Thinking, Document Use, Numeracy
E-12.01 - Selects conventional lathe types
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Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| E-12.01.01P |
determine operations to be performed |
operations to be performed are determined according to specifications |
| E-12.01.02P |
determine lathe |
lathe is determined according to workpiece characteristics and operations to be performed |
Range of Variables
- specifications include: design, standards, client, industry, manufacturers' drawings
- workpiece characteristics include: material, size, shape
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| E-12.01.01L |
demonstrate knowledge of conventional lathes, their accessories, attachments and applications |
define terminology associated with conventional lathes |
| identify types of conventional lathes and describe their operating principles and applications |
Range of Variables
- types of conventional lathes include: engine, turret, vertical turret, vertical boring mill, multispindle
E-12.02 - Plans operation of conventional lathes
Essential Skills: Thinking, Document Use, Numeracy
E-12.02 - Plans operation of conventional lathes
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Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| E-12.02.01P |
determine operations to be performed |
operations to be performed are determined according to specifications |
| E-12.02.02P |
determine sequence of operations |
sequence of operations is determined according to specifications and company policies |
| E-12.02.03P |
select work holding device |
work holding device is selected according to workpiece characteristics and operations |
| E-12.02.04P |
select conventional lathe tools and accessories |
conventional lathe tools and accessories are selected according to workpiece characteristics and operations |
Range of Variables
- specifications include: design, standards, client, industry, manufacturers' drawings
- work holding devices include: three-jaw chuck, four-jaw chuck, faceplate, collet chuck, between centers, magnetic chuck
- workpiece characteristics include: material, size, shape
- conventional lathe tools and accessories include: steady rest, taper attachment, lathe dog, turning tool, centres, follower rest
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| E-12.02.01L |
demonstrate knowledge of conventional lathes, their maintenance and procedures for use |
identify the components and controls of conventional lathes and describe their purpose and operation |
| identify types of work holding devices and describe their applications |
| identify types of tool holding devices and describe their applications |
| E-12.02.02L |
demonstrate knowledge of conventional lathe tools and accessories, and their applications |
identify conventional lathe tools and accessories and describe their applications |
| identify the considerations and requirements for selecting conventional lathe tools and accessories for specific operations |
Range of Variables
- work holding devices include: three-jaw chuck, four-jaw chuck, faceplate, collet chuck, between centers, magnetic chuck
- conventional lathe tools and accessories include: steady rest, taper attachment, lathe dog, turning tool, centres, follower rest
E-12.03 - Sets up work holding devices for conventional lathes
Essential Skills: Oral Communication, Document Use, Thinking
E-12.03 - Sets up work holding devices for conventional lathes
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Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| E-12.03.01P |
clean and check spindle and work holding device |
spindle and work holding device is cleaned and checked for damage and debris |
| E-12.03.02P |
protect bedways |
bedways are protected according to company policies |
| E-12.03.03P |
mount work holding device |
work holding device is mounted manually or using hoisting and rigging equipment |
| E-12.03.04P |
secure work holding device |
work holding device is secured using tools required to set up work holding devices |
| E-12.03.05P |
install and use spindle stops |
spindle stops are installed and used when required |
Range of Variables
- work holding devices include: three-jaw chuck, four-jaw chuck, face plate, collet chuck
- hoisting and rigging equipment includes: chain block, crane, lifting eye, sling
- tools include: wrenches, keys, hook spanners, chuck wrenches
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| E-12.03.01L |
demonstrate knowledge of work holding devices, their maintenance and procedures for use |
identify types of work holding devices and describe their applications |
| describe the procedures used to set up work holding devices on lathes |
| identify tools required to set up work holding devices on lathes |
| identify potential setup problems and describe their causes and solutions |
Range of Variables
- work holding devices include: three-jaw chuck, four-jaw chuck, face plate, collet chuck
- tools include: wrenches, keys, hook spanners, chuck wrenches
E-12.04 - Sets up tooling for conventional lathes
Essential Skills: Oral Communication, Reading, Thinking
E-12.04 - Sets up tooling for conventional lathes
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Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| E-12.04.01P |
check for clearance |
clearance is checked to ensure safe operation |
| E-12.04.02P |
adjust cutting tool angle |
cutting tool angle is adjusted according to workpiece characteristics and operations to be performed |
| E-12.04.03P |
adjust cutting tool to machine centre height |
cutting tool is adjusted to machine centre height |
Range of Variables
- cutting tools include: turning tool, boring bar, threading tool, knurling tool, part-off blade
- workpiece characteristics include: material, size, shape
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| E-12.04.01L |
demonstrate knowledge of cutting tools, their maintenance and procedures for use |
identify types of cutting tools and describe their applications |
| describe the procedures used to set up cutting tools on lathes |
| identify potential setup problems and describe their causes and solutions |
Range of Variables
- cutting tools include: turning tool, boring bar, threading tool, knurling tool, part-off blade
E-12.05 - Sets up conventional lathe accessories
Essential Skills: Thinking, Numeracy, Working with Others
E-12.05 - Sets up conventional lathe accessories
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Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| E-12.05.01P |
inspect and clean conventional lathe accessories |
conventional lathe accessories are inspected for damage and cleaned to ensure accuracy |
| E-12.05.02P |
adjust, position and secure conventional lathe accessories |
conventional lathe accessories are adjusted, positioned and secured |
| E-12.05.03P |
identify problems |
problems are identified |
| E-12.05.04P |
implement solutions |
problems are eliminated |
Range of Variables
- conventional lathe accessories include: taper attachments, steady rests, follower rests, centres
- problems include: misalignment, run-out, insufficient clearance, improper adjustments
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| E-12.05.01L |
demonstrate knowledge of conventional lathe accessories, their maintenance and procedures for use |
identify conventional lathe accessories and describe their applications |
| describe the procedures used to set up conventional lathe accessories |
| describe the procedures used to inspect and clean conventional lathe accessories |
| identify potential setup problems and describe their causes and solutions |
Range of Variables
- conventional lathe accessories include: taper attachments, steady rests, follower rests, centres
- problems include: misalignment, run-out, insufficient clearance, improper adjustments
E-12.06 - Sets up workpiece on conventional lathe
Essential Skills: Thinking, Document Use, Numeracy
E-12.06 - Sets up workpiece on conventional lathe
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Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| E-12.06.01P |
place workpiece in position |
workpiece is placed in position |
| E-12.06.02P |
secure workpiece with work holding device |
workpiece is secured with work holding device |
| E-12.06.03P |
check and adjust workpiece |
workpiece is checked for run-out and distortion using inspection equipment, and is adjusted accordingly |
| E-12.06.04P |
counterbalance setup |
setup is balanced if required |
Range of Variables
- work holding devices include: three-jaw chuck, four-jaw chuck, face plate, collet chuck, centres
- inspection equipment includes: dial indicators, micrometers, surface gauges
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| E-12.06.01L |
demonstrate knowledge of workpiece setup |
identify types of work holding devices and describe their applications |
| describe the procedures used to set up work holding devices on lathes |
| identify types of inspection equipment and describe their use |
| describe the procedures used to set up eccentrics on conventional lathes |
| describe the procedures used to ensure parts run true |
Range of Variables
- work holding devices include: three-jaw chuck, four-jaw chuck, face plate, collet chuck, centres
- inspection equipment includes: dial indicators, micrometers, surface gauges
E-12.07 - Selects conventional lathe speeds and feeds
Essential Skills: Numeracy, Thinking, Document Use
E-12.07 - Selects conventional lathe speeds and feeds
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Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| E-12.07.01P |
identify type of material to be turned |
type of material to be turned is identified according to specifications |
| E-12.07.02P |
determine surface speed |
surface speed is determined according to reference material |
| E-12.07.03P |
calculate spindle speed |
spindle speed is calculated according to cutting speed of material and workpiece diameters |
| E-12.07.04P |
determine feed rate |
feed rate is determined according to depth of cut and surface finish |
| E-12.07.05P |
adjust machine controls |
machine controls are adjusted according to calculated settings |
| E-12.07.06P |
readjust machine controls |
machine controls are readjusted according to cutting performance |
Range of Variables
- specifications include: design, standards, client, industry, manufacturers' drawings
- reference materials include: cutting tool manufacturers' specifications, charts, Machinery's Handbook
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| E-12.07.01L |
demonstrate knowledge of lathe speeds and feeds |
describe the considerations to determine speed, feed and depth of cut |
| E-12.07.02L |
demonstrate knowledge of calculations required to adjust machine controls |
identify calculations for speed, feed and depth of cut |
Task E-13 Operates conventional lathes
Task Descriptor
Machinists operate conventional lathes including engine lathes, turret lathes and vertical lathes for operations such as turning, boring and threading. Comprehensive lathe skills are essential for fully qualified machinists.
E-13.01 - Faces surfaces using a conventional lathe
Essential Skills: Document Use, Thinking, Numeracy
E-13.01 - Faces surfaces using a conventional lathe
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Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| E-13.01.01P |
determine operations to be performed |
operations to be performed are determined according to specifications |
| E-13.01.02P |
touch off tool on workpiece |
tool is touched off on workpiece |
| E-13.01.03P |
cut and measure workpiece |
workpiece is cut and measured to establish starting length |
| E-13.01.04P |
rough face workpiece |
workpiece is rough faced to remove excess material |
| E-13.01.05P |
measure workpiece throughout the process |
workpiece is measured throughout the process to make adjustments |
| E-13.01.06P |
identify problems |
problems are identified |
| E-13.01.07P |
implement solutions |
problems are eliminated |
| E-13.01.08P |
finish face workpiece |
workpiece is finish faced according to specifications |
| E-13.01.09P |
verify workpiece meets specifications |
workpiece is verified that it meets specifications using inspection equipment |
Range of Variables
- specifications include: design, standards, client, industry, manufacturers' drawings
- problems include: chatter, tool wear, incorrect tool height setting, chip management
- inspection equipment includes: precision square, straight edge, caliper, dial indicator, digital read out
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| E-13.01.01L |
demonstrate knowledge of facing operations |
describe the considerations to determine speed, feed and depth of cut for conventional lathe operations |
| identify cutting fluids and coolants used during conventional lathe operations |
| describe the procedures used to set speeds and feeds |
| identify hazards and describe safe work practices pertaining to conventional lathes |
| identify types of facing tools and describe their applications and procedures for use |
| describe the procedures used for facing work on a conventional lathe |
| identify potential problems and describe their causes and solutions |
Range of Variables
- problems include: chatter, tool wear, incorrect tool height setting, chip management
E-13.02 - Turns external surfaces using a conventional lathe
Essential Skills: Document Use, Thinking, Numeracy
E-13.02 - Turns external surfaces using a conventional lathe
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Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| E-13.02.01P |
determine operations to be performed |
operations to be performed are determined according to specifications |
| E-13.02.02P |
touch off tool on workpiece |
tool is touched off on workpiece |
| E-13.02.03P |
perform starting turn and measure workpiece |
starting turn is performed and workpiece is measured |
| E-13.02.04P |
rough turn workpiece |
workpiece is rough turned to remove excess material |
| E-13.02.05P |
measure workpiece throughout the process |
workpiece is measured throughout the process to make adjustments |
| E-13.02.06P |
identify problems |
problems are identified |
| E-13.02.07P |
implement solutions |
problems are eliminated |
| E-13.02.08P |
finish turn workpiece |
workpiece is finish turned according to specifications |
| E-13.02.09P |
verify workpiece meets specifications |
workpiece is verified that it meets specifications using inspection equipment |
Range of Variables
- specifications include: design, standards, client, industry, manufacturers' drawings
- problems include: chatter, tool deflection, taper, run-out
- inspection equipment includes: micrometers, depth micrometers, dial indicators, calipers, gauges, digital read out
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| E-13.02.01L |
demonstrate knowledge of turning operations |
describe the considerations to determine speed, feed and depth of cut for conventional lathe operations |
| identify cutting fluids and coolants used during conventional lathe operations |
| describe the procedures used to set speeds and feeds |
| identify hazards and describe safe work practices pertaining to conventional lathes |
| identify potential problems and describe their causes and solutions |
Range of Variables
- problems include: chatter, tool deflection, taper, run-out
E-13.03 - Drills using a conventional lathe
Essential Skills: Thinking, Document Use, Numeracy
E-13.03 - Drills using a conventional lathe
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Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| E-13.03.01P |
determine operations to be performed |
operations to be performed are determined according to specifications |
| E-13.03.02P |
install centre drill |
centre drill is installed |
| E-13.03.03P |
centre drill the workpiece |
workpiece is centre drilled |
| E-13.03.04P |
install drill for application |
drill for application is installed according to specifications |
| E-13.03.05P |
drill workpiece |
workpiece is drilled |
| E-13.03.06P |
measure and check hole |
hole is measured and checked according to specifications |
| E-13.03.07P |
identify problems |
problems are identified |
| E-13.03.08P |
implement solutions |
problems are eliminated |
| E-13.03.09P |
verify feature meets specifications |
feature is verified that it meets specifications using inspection equipment |
Range of Variables
- specifications include: design, standards, client, industry, manufacturers' drawings
- problems include: drill wandering, oversized holes, misalignment of tail stock/turret, damage to cutting tool, chip management, incorrect drill geometry
- inspection equipment includes: pin gauges, go/no-go gauges, calipers, telescopic gauges, small hole gauges, digital read out
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| E-13.03.01L |
demonstrate knowledge of drilling operations using a conventional lathe |
describe the procedures used for centre drilling and drilling on a conventional lathe |
| describe the procedures used for installing drills |
| identify hazards and describe safe work practices pertaining to conventional lathes |
| identify potential problems and describe their causes and solutions |
Range of Variables
- problems include: drill wandering, oversized holes, misalignment of tail stock/turret, damage to cutting tool, chip management, incorrect drill geometry
E-13.04 - Bores holes using a conventional lathe
Essential Skills: Document Use, Thinking, Numeracy
E-13.04 - Bores holes using a conventional lathe
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Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| E-13.04.01P |
determine operations to be performed |
operations to be performed are determined according to specifications |
| E-13.04.02P |
touch off tool on workpiece |
tool is touched off on workpiece |
| E-13.04.03P |
cut and measure workpiece |
workpiece is cut and measured to establish starting diameter |
| E-13.04.04P |
rough bore workpiece |
workpiece is rough bored to remove excess material |
| E-13.04.05P |
measure workpiece throughout the process |
workpiece is measured throughout the process to make adjustments |
| E-13.04.06P |
identify problems |
problems are identified |
| E-13.04.07P |
implement solutions |
problems are eliminated |
| E-13.04.08P |
finish bore workpiece |
workpiece is finish bored according to specifications |
| E-13.04.09P |
verify workpiece meets specifications |
workpiece is verified that it meets specifications using inspection equipment |
Range of Variables
- specifications include: design, standards, client, industry, manufacturers', drawings
- problems include: insufficient chip and tool clearance, chatter, tool deflection, taper, run-out
- inspection equipment includes: inside micrometers, depth micrometers, dial indicators, bore gauges, calipers, telescoping gauges, digital read out
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| E-13.04.01L |
demonstrate knowledge of boring operations |
describe the considerations to determine speed, feed and depth of cut for conventional lathe operations |
| identify cutting fluids and coolants used |
| describe the procedures used to set speeds and feeds |
| identify hazards and describe safe work practices pertaining to conventional lathes |
| identify types of boring tools and describe their applications and procedures for use |
| describe the procedures used for boring work on a conventional lathe |
| describe the procedures used for counterboring and chamfering work on a conventional lathe |
| identify potential problems and describe their causes and solutions |
Range of Variables
- problems include: insufficient chip and tool clearance, chatter, tool deflection, taper, run-out
E-13.05 Reams holes using a conventional lathe
Essential Skills
Thinking, Document Use, Numeracy
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Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| E-13.05.01P |
determine operations to be performed |
operations to be performed are determined according to specifications |
| E-13.05.02P |
install reamer in tail stock/turret |
reamer is installed in tail stock/turret |
| E-13.05.03P |
feed reamer into workpiece |
reamer is fed into workpiece to create a finished hole |
| E-13.05.04P |
identify problems |
problems are identified |
| E-13.05.05P |
implement solutions |
problems are eliminated |
| E-13.05.06P |
verify feature meets specifications |
feature is verified that it meets specifications using inspection equipment |
Range of Variables
- specifications include: design, standards, client, industry, manufacturers' drawings
- problems include: chatter, oversized holes, misalignment of tail stock/turret, damage to cutting tool, bell-mouth
- inspection equipment includes: go/no-go gauges, bore gauges, telescopic gauges
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| E-13.05.01L |
demonstrate knowledge of reaming operations |
describe the procedures used for reaming work on a conventional lathe |
| describe the procedures used for installing reamers |
| describe speed and feed for conventional lathe operations |
| identify potential problems and describe their causes and solutions |
Range of Variables
- problems include: chatter, oversized holes, misalignment of tail stock/turret, damage to cutting tool, bell-mouth
E-13.06 - Turns tapers using a conventional lathe
Essential Skills: Document Use, Thinking, Numeracy
E-13.06 - Turns tapers using a conventional lathe
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Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| E-13.06.01P |
determine operations to be performed |
operations to be performed are determined according to specifications |
| E-13.06.02P |
set compound rest, taper attachment or tailstock offset |
compound rest, taper attachment or tailstock offset are set to achieve required angle |
| E-13.06.03P |
check angle for accuracy |
angle is checked for accuracy using inspection equipment |
| E-13.06.04P |
touch off tool on workpiece |
tool on workpiece is touched off to establish primary reference point |
| E-13.06.05P |
rough turn or bore workpiece |
workpiece is rough turned or bored to remove excess material |
| E-13.06.06P |
measure workpiece throughout the process |
workpiece is measured throughout the process to make adjustments using inspection equipment |
| E-13.06.07P |
identify problems |
problems are identified |
| E-13.06.08P |
implement solutions |
problems are eliminated |
| E-13.06.09P |
finish turn or bore workpiece |
workpiece is finish turned or bored according to specifications |
| E-13.06.10P |
verify workpiece meets specifications |
workpiece is verified that it meets specifications by using inspection equipment |
Range of Variables
- specifications include: design, standards, client, industry, manufacturers' drawings
- inspection equipment includes: taper gauges, dial indicators, micrometers, protractors, parallels and pins, sine bars, digital read out
- problems include: insufficient chip and tool clearance, chatter, tool deflection, incorrect taper, run-out
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| E-13.06.01L |
demonstrate knowledge of tapers, their applications and machining operations |
identify types of tapers and describe their applications |
| identify types of taper attachments and describe their applications and procedures for use |
| identify calculations required for tapers |
| identify methods used to check tapers and describe their associated procedures |
| identify methods used to turn tapers and describe their associated procedures |
| define terminology associated with taper turning |
| identify hazards and describe safe work practices pertaining to taper turning |
| identify potential problems and describe their causes and solutions |
Range of Variables
- problems include: insufficient chip and tool clearance, chatter, tool deflection, incorrect taper, run-out
- types of tapers include: Morse taper, taper pin, pipe thread taper, machine taper, Jacobs taper
- taper attachments include: plain, telescopic
- methods used to check tapers include: plug gauge, parallels and pins, ring gauge, sine bar, layout lines, dial indicator, Prussian Blue, digital read out
- methods used to turn tapers include: taper attachment, tailstock offset, compound rest, form tool
E-13.07 - Knurls using a conventional lathe
Essential Skills: Continuous Learning, Thinking, Oral Communication
E-13.07 - Knurls using a conventional lathe
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Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| E-13.07.01P |
determine operations to be performed |
operations to be performed are determined according to specifications |
| E-13.07.02P |
select knurling tool |
knurling tool is selected according to specifications |
| E-13.07.03P |
engage tool to workpiece |
tool is engaged to workpiece by hand feeding cross-slide |
| E-13.07.04P |
feed tool along required length of knurl |
tool is fed along required length of knurl |
| E-13.07.05P |
visually inspect workpiece throughout the process |
workpiece is visually inspected throughout the process |
| E-13.07.06P |
identify problems |
problems are identified |
| E-13.07.07P |
implement solutions |
problems are eliminated |
| E-13.07.08P |
verify workpiece meets specifications |
workpiece is verified that it meets specifications using inspection equipment |
Range of Variables
- specifications include: design, standards, client, industry, manufacturers' drawings
- problems include: galling, flaking, incorrect form, workpiece deflection, insufficient lubrication, double cutting
- inspection equipment includes: sample piece, calipers, microscope
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| E-13.07.01L |
demonstrate knowledge of knurling operations |
describe the considerations to determine speed and feed for knurling operations |
| identify cutting fluids and coolants used during conventional lathe operations |
| identify hazards and describe safe work practices pertaining to knurling |
| identify potential problems and describe their causes and solutions |
Range of Variables
- problems include: galling, flaking, incorrect form, workpiece deflection, insufficient lubrication, double cutting
E-13.08 - Cuts grooves using a conventional lathe
Essential Skills: Numeracy, Document Use, Thinking
E-13.08 - Cuts grooves using a conventional lathe
| 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 |
| E-13.08.01P |
determine operations to be performed |
operations to be performed are determined according to specifications |
| E-13.08.02P |
confirm the centre height and alignment of tool |
centre height and alignment of tool is confirmed |
| E-13.08.03P |
touch off tool on workpiece |
tool is touched off on workpiece to establish reference point |
| E-13.08.04P |
establish tool location from reference point |
tool location from reference point is established |
| E-13.08.05P |
feed tool into workpiece |
tool is fed into workpiece |
| E-13.08.06P |
measure and check groove throughout the process |
groove is measured and checked throughout the process to make adjustments according to specifications |
| E-13.08.07P |
identify problems |
problems are identified |
| E-13.08.08P |
implement solutions |
problems are eliminated |
| E-13.08.09P |
finish grooving operation |
grooving operation is finished according to specifications |
| E-13.08.10P |
verify workpiece meets specifications |
workpiece is verified that it meets specifications using inspection equipment |
Range of Variables
- specifications include: design, standards, client, industry, manufacturers' drawings
- problems include: chattering, galling, tool wandering, tool wear, chip management
- inspection equipment includes: gauge blocks, groove micrometers, calipers, radius gauges
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| E-13.08.01L |
demonstrate knowledge of grooving operations |
describe the considerations to determine speed and feed for conventional lathe operations |
| identify cutting fluids and coolants used during conventional lathe operations |
| describe the procedures used to set speeds and feeds |
| identify hazards and describe safe work practices pertaining to conventional lathes |
| identify potential problems and describe their causes and solutions |
Range of Variables
- problems include: chattering, galling, tool wandering, tool wear, chip management
E-13.09 - Cuts threads using a conventional lathe
Essential Skills: Thinking, Document Use, Numeracy
E-13.09 - Cuts threads using a conventional lathe
| 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 |
| E-13.09.01P |
determine operations to be performed |
operations to be performed are determined according to specifications |
| E-13.09.02P |
set quick-change gear box |
quick-change gear box is set to required thread pitch |
| E-13.09.03P |
calculate and set-up required gear train |
gear train is calculated and set to required thread pitch |
| E-13.09.04P |
confirm the centre height and alignment of tool |
centre height and alignment of tool is confirmed |
| E-13.09.05P |
touch off tool on workpiece |
tool is touched off on workpiece to establish starting diameter |
| E-13.09.06P |
machine test pass |
test pass is machined to verify thread pitch |
| E-13.09.07P |
measure thread pitch |
thread pitch is measured using inspection equipment |
| E-13.09.08P |
machine workpiece |
workpiece is machined according to specifications |
| E-13.09.09P |
deburr threaded workpiece |
threaded workpiece is deburred to remove sharp edges |
| E-13.09.10P |
identify problems |
problems are identified |
| E-13.09.11P |
implement solutions |
problems are eliminated |
| E-13.09.12P |
verify workpiece meets specifications |
workpiece is verified that it meets specifications using inspection equipment |
Range of Variables
- specifications include: design, standards, client, industry, manufacturers' drawings
- inspection equipment includes: thread wires, thread micrometers, thread gauges, sample pieces, outside micrometers, calipers, pitch gauges, centre gauge
- problems include: chatter, tool deflection, taper, tool misalignment
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| E-13.09.01L |
demonstrate knowledge of threading operations |
identify methods used to cut threads and describe their associated procedures |
| describe the considerations to determine speed and feed |
| identify cutting fluids and coolants used |
| describe the procedures used to set speeds and feeds |
| identify methods used to cut multiple start threads and describe their associated procedures |
| describe the procedures used to deburr a workpiece |
| identify potential problems and describe their causes and solutions |
| describe the procedures used to check and measure threads using inspection equipment |
| identify types of threads, and describe their purpose, characteristics and applications |
Range of Variables
- inspection equipment includes: thread wires, thread micrometers, thread gauges, sample pieces, outside micrometers, calipers, pitch gauges, centre gauge
- problems include: chatter, tool deflection, taper, tool misalignment
- methods used to cut threads include: slotted drive or faceplate, indexing of the spindle gear, use of thread chasing dial, compound rest method
E-13.10 - Parts off workpiece using a conventional lathe
Essential Skills: Numeracy, Document Use, Thinking
E-13.10 - Parts off workpiece using a conventional lathe
| 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 |
| E-13.10.01P |
determine operations to be performed |
operations to be performed are determined according to specifications |
| E-13.10.02P |
confirm the centre height and alignment of tool |
centre height and alignment of tool is confirmed |
| E-13.10.03P |
touch off tool on workpiece |
tool is touched off on workpiece to establish reference point |
| E-13.10.04P |
establish tool location from reference point |
tool location from reference point is established |
| E-13.10.05P |
feed tool into workpiece and retrieve part |
tool is fed into workpiece and part is retrieved |
| E-13.10.06P |
identify problems |
problems are identified |
| E-13.10.07P |
implement solutions |
problems are eliminated |
| E-13.10.08P |
verify workpiece meets specifications |
workpiece is verified that it meets specifications using inspection equipment |
Range of Variables
- specifications include: design, standards, client, industry, manufacturers' drawings
- problems include: chattering, galling, tool wandering, chip management, tool misalignment, incorrect tool height
- inspection equipment includes: micrometers, straight edges, calipers, precision square
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| E-13.10.01L |
demonstrate knowledge of parting off operations |
describe the considerations to determine speed and feed for conventional lathe operations |
| identify cutting fluids and coolants used during conventional lathe operations |
| describe the procedures used to set speeds and feeds |
| identify hazards and describe safe work practices pertaining to conventional lathes |
| identify potential problems and describe their causes and solutions |
Range of Variables
- problems include: chattering, galling, tool wandering, chip management, tool misalignment, incorrect tool height