Machine Guarding
Recognizing machine hazards and controlling them: motions, actions and nip points, provincial machine guarding rules and CSA Z432:23, the hierarchy of controls and ISO 12100 risk assessment, required performance levels, fixed, interlocked and adjustable guards with ISO 13857 safety distances, light curtains, two-hand controls and other devices positioned with ISO 13855, functional safety, emergency stops and stopping time, common machines, preventing bypassing, lockout, pre-start health and safety reviews, inspection and a capstone shop assessment.
HSE-215 12 lessons · 5 h 21 min
Offered by HSM University · Safety Training
This is the Canadian version of this course. See the American version.
What you'll learn
- Identify machine hazards at the point of operation, in power transmission parts and in other moving parts, including nip points
- Locate the Canadian machine safeguarding rules, including provincial regulations, COHSR Part XIII and CSA Z432:23
- Apply the hierarchy of controls and the ISO 12100 three-step method to machine hazards
- Carry out a task-based machine risk assessment and determine a required performance level with the ISO 13849-1 risk graph
- Select fixed, interlocked, adjustable and self-adjusting guards and check them against safety distance tables
- Position light curtains, two-hand controls and other safeguarding devices using safety distance formulas
- Explain how performance levels, categories and validation make safety-related control systems reliable
- Describe stop categories, emergency stop requirements, stopping-time measurement and the prevention of unexpected start-up
- Recognize the hazards and typical safeguards of presses, saws, grinders, conveyors, robots and other common machines
- Prevent the defeat of safeguards and connect machine guarding with lockout during maintenance and cleaning
- Build safeguarding into purchasing, acceptance, modification and pre-start health and safety reviews
- Inspect and audit machine safeguarding, learn from incidents and prepare a risk-ranked guarding action plan
Course content
12 lessons · 5 h 21 min total · final exam
- 1 Why machines injure: motions, actions and nip points 29 min · quiz
- 2 Machine safeguarding law and standards in Canada 24 min · quiz
- 3 Inherently safe design and the hierarchy of controls 27 min · quiz
- 4 Machine risk assessment 28 min · quiz
- 5 Guards: fixed, interlocked, adjustable and self-adjusting 26 min · quiz
- 6 Safeguarding devices: light curtains, two-hand controls, mats and scanners 26 min · quiz
- 7 Control reliability and functional safety basics 26 min · quiz
- 8 Emergency stops, stopping performance and safe restart 28 min · quiz
- 9 Guarding common machines: presses, saws, grinders, conveyors and robots 27 min · quiz
- 10 Guard removal, bypassing, maintenance and lockout 27 min · quiz
- 11 New, used and modified machines: pre-start reviews, purchasing and conformity 27 min · quiz
- 12 Inspection, auditing, incident lessons and capstone: guarding a fabrication shop 26 min · quiz
- E Final exam 20 questions
Requirements
Recommended background. You can start any course at any time.
Description
Recognizing machine hazards and controlling them: motions, actions and nip points, provincial machine guarding rules and CSA Z432:23, the hierarchy of controls and ISO 12100 risk assessment, required performance levels, fixed, interlocked and adjustable guards with ISO 13857 safety distances, light curtains, two-hand controls and other devices positioned with ISO 13855, functional safety, emergency stops and stopping time, common machines, preventing bypassing, lockout, pre-start health and safety reviews, inspection and a capstone shop assessment.