Purpose - Indiana Health and Safety conference · 2017-02-21 · 1 Machine Guarding Debbie Rauen,...
Transcript of Purpose - Indiana Health and Safety conference · 2017-02-21 · 1 Machine Guarding Debbie Rauen,...
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Machine Guarding
Debbie Rauen, INSafe Safety Consultant
Mark McDaniel, INSafe Safety Consultant
Tuesday, February 14, 2017
Purpose• Understanding the different types of
machine guarding & devices
• National emphasis
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Tuesday, February 14, 2017
Objectives
• Machine guarding principles
• Types of machine guarding
• Self audits
• Training
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Responses…
• “We have been doing it this way for 20 years and nobody got hurt.”
• “The machine came that way.”
• “Nobody is going to stick their hands in there.”
• “Nobody goes behind the machine.”
• “The guard is in the way.”
• “The OSHA inspector never said anything.”
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Tuesday, February 14, 2017
Best Response Ever?
“We will put the guard back if OSHA shows up.”
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Subpart O of the OSHA Standard
• 29 CFR 1910.212-219
• 29 CFR 1910.243
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What is a Machine Guard?
• Machine guards are the primary line of defense between workers and their machines
• Any machine part, function, or process that may cause injury must be safeguarded
• Guard must be secure, protect from falling objects and create no new hazards
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Tuesday, February 14, 2017
Machine Hazards Occurrence
• Point of operation - work performed
Cutting, shaping, boring, forming
• Mechanical power transmission
Flywheels, pulleys, belts, sprockets, connecting rods, cams, spindles, gears
• Other moving parts
Rotating, reciprocating, feeds
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Non-mechanical Hazards
• Electrical - proper grounding & wiring
• Noise
Startle, disrupt concentration, interfere with communication
• Cutting fluids, coolants
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Methods of Machine Guarding
• Guards
• Devices
• Location/distance
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Types of Guards
• Fixed
• Adjustable
• Self adjusting
• Interlock
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Safeguarding Devices
• Presence sensing
• Pullback
• Restraint
• Safety controls and trips
• Gates
Holding Tools
• Used to place and remove stock in the danger area
• Not to be used instead of other machine safeguards, but as a supplement
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29 CFR 1910.217 – Table 0-10
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Guarding by Distance is Acceptable When:
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• Guards are not feasible
• Limited to one-time only fabrication
• Training
• Good history & enforcement
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Self-Audit
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• Document recognized hazards
• Hazards have been corrected
• Accompany all outside visitors
• Encourage employee participation
Fixed Guards
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Interlock Guard
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Adjustable Guards
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Self-Adjusting Guard
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Guarding Devices
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• Presence sensing - photoelectrical
• Radio frequency
• Electrical mechanical
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Guarding Devices
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Pullback and Restraint Guarding
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Safety Trip Control Devices
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Two-Handed Trip Devices
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Safety Gates
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Safety Gates
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Feeding and Injection Guard
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Barrier Guards
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Robotics – Multiple Guarding
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Machine Guarding Checklist
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Training
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• Hazards associated with the machine and/or equipment
• How the safe guards provide protection
• How to use the safe guards
• How and when safe guards can be removed
• Who is allowed to remove safe guards
• Who to contact if safe guards are damaged or missing
Review
Tuesday, February 14, 2017
• Machine guarding principles
• Types of machine guarding
• Inspections
• Training
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Contact Information
Tuesday, February 14, 2017
Mark McDaniel
317-232-2688
Debbie Rauen
317-232-2688