Major Work Activity C – Machines using power saws
Task C-8 Sets up power saws
Task Descriptor
Horizontal and vertical power saws are used to cut material for other machining processes. Vertical countering band saws are used for sawing contours close to a finish size. Typically, workpieces are then finished using other machining operations.
C-8.01 Selects power saw types
Essential Skills
Document Use, Numeracy, Thinking
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Evidence of Attainment |
| C-8.01.01P |
determine machining requirements |
machining requirements are determined according to specifications |
| C-8.01.02P |
determine and select power saw |
power saw is determined and selected according to workpiece characteristics and operations to be performed |
Range of Variables
requirements include: finish, allowances
specifications include: design, standards, client, industry, manufacturers’, drawings
power saws include: vertical, horizontal, reciprocating/power hacksaws, cold circular, abrasive, cutoff, contour, friction
workpiece characteristics include: material, size, shape
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Learning Outcomes |
Learning Objectives |
| C-8.01.01L |
demonstrate knowledge of power saws, their applications, maintenance and safe procedures for use |
define terminology associated with power saws |
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identify types of power saws and attachments and describe their applications |
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identify size and capacity of power saw |
Range of Variables
power saws include: vertical, horizontal, reciprocating/power hacksaws, cold circular, abrasive, cutoff, contour, friction
attachments include: work stop, rip fence, vertical bandsaw mechanical feed, workpiece support
C-8.02 Selects saw blades
Essential Skills
Document Use, Numeracy, Thinking
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| C-8.02.01P |
determine and select saw blade |
saw blade is determined and selected according to workpiece characteristics and operations to be performed |
| C-8.02.02P |
check blade pitch and set |
blade pitch and set is checked according to job requirements |
| C-8.02.03P |
determine and select saw blade width and gauge |
saw blade width and gauge are determined and selected according to cut |
Range of Variables
workpiece characteristics include: material, size, shape
job requirements include: material cross‑sectional thickness, type of material to be cut
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Knowledge |
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Learning Outcomes |
Learning Objectives |
| C-8.02.01L |
demonstrate knowledge of saw blades, their applications, maintenance and procedures for use |
identify types of blades and describe their parameters, applications and installation procedures |
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describe the procedures used to adjust a saw blade |
C-8.03 Installs saw blades
Essential Skills
Document Use, Numeracy, Thinking
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Performance Criteria |
Evidence of Attainment |
| C-8.03.01P |
install blade on drive wheel and idler wheel(s) |
blade is placed on drive wheel and idler wheel(s) according to specifications |
| C-8.03.02P |
match saw guides to blade width and gauge on vertical and horizontal band saws |
saw guides are matched to blade width and gauge on vertical and horizontal band saws to prevent damage to blades and guides and to ensure required cut |
| C-8.03.03P |
adjust blade tension |
blade tension is adjusted according to specifications |
| C-8.03.04P |
check blade tracking |
blade tracking is checked to avoid damage to the blade and saw |
| C-8.03.05P |
secure blade of power hacksaw |
blade of power hacksaw is secured using locating pins |
| C-8.03.06P |
verify cutting direction of blade |
cutting direction of blade is verified after installation |
| C-8.03.07P |
weld and grind vertical band saw blades to saw internal contours |
vertical band saw blades are welded and ground to saw internal contours |
| C-8.03.08P |
break-in new saw blades to increase blade life |
new saw blades are broken-in to increase blade life |
Range of Variables
specifications include: design, standards, client, industry, manufacturers’, drawings
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Learning Outcomes |
Learning Objectives |
| C-8.03.01L |
demonstrate knowledge of saw blades, their applications, maintenance and procedures for use |
identify types of blades and describe their parameters, applications and installation procedures |
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describe the procedures used to butt weld bandsaw blades |
C-8.04 Selects power saw speeds and feeds
Essential Skills
Document Use, Numeracy, Thinking
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Performance Criteria |
Evidence of Attainment |
| C-8.04.01P |
calculate speeds |
speeds are calculated according to specifications |
| C-8.04.02P |
select speeds and feeds |
speeds and feeds are selected according to material to be cut, job requirements and specifications |
| C-8.04.03P |
adjust speeds and feeds |
speeds and feeds are adjusted according to job requirements |
Range of Variables
specifications include: design, standards, client, industry, manufacturers’, drawings
job requirements include: thin wall sections, I‑beams, tubing, solids
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Knowledge |
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Learning Outcomes |
Learning Objectives |
| C-8.04.01L |
demonstrate knowledge of power saws, their applications, maintenance and procedures for use |
calculate speed and feed requirements |
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describe the procedures used to adjust speeds and feeds |
C-8.05 Makes power saw adjustments
Essential Skills
Document Use, Numeracy, Thinking
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Performance Criteria |
Evidence of Attainment |
| C-8.05.01P |
adjust guide arms |
guide arms are adjusted according to workpiece characteristics and specifications |
| C-8.05.02P |
adjust blade guides |
blade guides are adjusted to ensure adequate blade support according to specifications |
| C-8.05.03P |
adjust vise pressure |
vise pressure is adjusted according to job requirements and specifications to ensure workpiece is secure and not damaged and distorted |
| C-8.05.04P |
adjust table angles |
table angles are adjusted according to specifications when using vertical band saw |
| C-8.05.05P |
adjust vertical band saw’s fence |
vertical band saw’s fence is adjusted according to specifications |
| C-8.05.06P |
adjust length stop |
length stop is adjusted according to specifications |
| C-8.05.07P |
adjust coolant |
coolant is adjusted according to job requirements |
Range of Variables
workpiece characteristics include: material, size, shape
specifications include: design, standards, client, industry, manufacturers’, drawings
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Knowledge |
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Learning Outcomes |
Learning Objectives |
| C-8.05.01L |
demonstrate knowledge of power saws, their applications, maintenance and procedures for use |
describe the procedures used to adjust power saws |
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define terminology associated with power saws |
C-8.06 Sets up workpiece on power saw
Essential Skills
Document Use, Numeracy, Thinking
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Performance Criteria |
Evidence of Attainment |
| C-8.06.01P |
position and secure workpiece on saw table |
workpiece is positioned and secured on saw table |
| C-8.06.02P |
verify length and contour to be cut |
length and contour to be cut is verified according to specifications |
| C-8.06.03P |
use power saw accessories |
power saw accessories are used for securing and guiding workpiece |
| C-8.06.04P |
adjust table angle |
table angle is adjusted according to specifications |
Range of Variables
specifications include: design, standards, client, industry, manufacturers’, drawings
accessories include: push block, clamps, guard, air blast, workpiece support, work stop
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Knowledge |
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Learning Outcomes |
Learning Objectives |
| C-8.06.01L |
demonstrate knowledge of power saws, their applications, maintenance and procedures for use |
describe the procedures used to secure workpiece on power saws |
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identify types of power saw accessories |
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describe the procedures used to adjust table angle |
| C-8.06.02L |
demonstrate knowledge of use of measuring devices |
calculate and measure workpiece to be cut |
Range of Variables
accessories include: push block, clamps, guard, air blast, workpiece support, work stop
Task C-9 Operates power saws
Task Descriptor
Horizontal and vertical power saws are used to cut material for other machining processes. Vertical countering band saws are used for sawing contours close to a finish size. Typically, workpieces are then finished using other machining operations.
C-9.01 Saws straight and angle cuts
Essential Skills
Thinking, Numeracy, Document Use
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Skills |
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Performance Criteria |
Evidence of Attainment |
| C-9.01.01P |
guide workpiece into vertical band saw blade |
workpiece is guided into vertical band saw blade using accessories with consistent cutting pressure to protect blade and provide an efficient cut |
| C-9.01.02P |
adjust angle of saw |
angle of saw is adjusted according to required angle of cut |
| C-9.01.03P |
square off end of material (reference cut) |
end of material (reference cut) is squared off to ensure an accurate measurement |
| C-9.01.04P |
identify problems |
problems are identified |
| C-9.01.05P |
implement solutions |
problems are eliminated |
| C-9.01.06P |
complete cut from opposite side when blade becomes damaged |
cut is completed from opposite side when blade becomes damaged |
| C-9.01.07P |
verify workpiece meets specifications |
workpiece is verified that it meets specifications and finish allowances using inspection equipment |
Range of Variables
accessories include: push block, clamps, guard, air blast
problems include: incorrect speeds and feeds, binding and overheating blade, wandering
inspection equipment includes: protractors, tape measures, squares, calipers, steel rule
specifications include: design, standards, client, industry, manufacturers’, drawings
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Knowledge |
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Learning Outcomes |
Learning Objectives |
| C-9.01.01L |
demonstrate knowledge of power saws, their applications, maintenance and procedures for use |
identify types of sawing operations and describe their associated procedures |
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identify potential problems during sawing operations and describe their causes and solutions |
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identify types of saws and accessories and describe their applications |
| C-9.01.02L |
demonstrate knowledge of safe work practices and procedures related to the use of power saws and saw blades |
identify hazards and describe safe work practices pertaining to power saws and saw blades |
Range of Variables
accessories include: push block, clamps, guard, air blast
problems include: incorrect speeds and feeds, binding and overheating blade, wandering
C-9.02 Cuts irregular shapes
Essential Skills
Document Use, Numeracy, Thinking
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yes |
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Skills |
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Performance Criteria |
Evidence of Attainment |
| C-9.02.01P |
guide workpiece into vertical band saw blade |
workpiece is guided into vertical band saw blade using accessories with consistent cutting pressure to protect blade and provide an efficient cut |
| C-9.02.02P |
monitor profile of cut |
profile of cut is monitored during cutting process |
| C-9.02.03P |
identify problems |
problems are identified |
| C-9.02.04P |
implement solutions |
problems are eliminated |
| C-9.02.05P |
verify workpiece meets specifications |
workpiece is verified according to specifications using inspection equipment |
Range of Variables
accessories include: push block, clamps, guard, air blast, coolant pumps, mechanical feed
problems include: incorrect speeds and feeds, binding and overheating blade, incorrect pitch of blade, lack of lubrication
specifications include: design, standards, client, industry, manufacturers’, drawings
inspection equipment includes: templates, radius gauges
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Knowledge |
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Learning Outcomes |
Learning Objectives |
| C-9.02.01L |
demonstrate knowledge of power saws, their applications, maintenance and procedures for use |
define terminology associated with power saws |
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identify the components and accessories of power saws and describe their characteristics and applications |
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identify types of blades and describe their characteristics and applications |
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calculate speed and feed requirements |
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describe the procedures used to inspect and maintain power saws |
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identify potential problems and describe their causes and solutions |
| C-9.02.02L |
demonstrate knowledge of safe work practices and procedures related to the use of power saws |
identify hazards and describe safe work practices pertaining to power saws |
Range of Variables
power saws include: vertical, contour
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