1 turning brake drums n introduction and pre-checks n lab demonstration n lab student practice --...
TRANSCRIPT
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Turning Brake DrumsTurning Brake Drums
Introduction and pre-checksIntroduction and pre-checks Lab demonstrationLab demonstration Lab student practice -- turning Lab student practice -- turning
drumsdrums Classroom wrap-upClassroom wrap-up
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Cracked brake drumCracked brake drum
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ScoringScoring
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Hard spotsHard spots
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Grease-stainedGrease-stained
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High-heat conditionsHigh-heat conditions
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Heat checkingHeat checking
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Out-of-roundOut-of-round
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Rule of thumb for turning Rule of thumb for turning drum:drum:
““Only turn if major imperfections or Only turn if major imperfections or out-of-round condition.”out-of-round condition.”
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The four prechecks:The four prechecks:
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The four prechecks:The four prechecks:
CracksCracks
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The four prechecks:The four prechecks:
CracksCracks
ScoringScoring
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The four prechecks:The four prechecks:
CracksCracks
ScoringScoring
Hard sportsHard sports
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The four prechecks:The four prechecks:
CracksCracks
ScoringScoring
Hard spotsHard spots
Drum max Drum max diameterdiameter
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Parts of brake drum latheParts of brake drum lathe
ArborArbor
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Parts of brake drum latheParts of brake drum lathe
ArborArbor Adapter cups and conesAdapter cups and cones
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Parts of brake drum latheParts of brake drum lathe
ArborArbor Adapter cups and conesAdapter cups and cones Special bearing race adaptersSpecial bearing race adapters
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Parts of brake drum latheParts of brake drum lathe
ArborArbor Adapter cups and conesAdapter cups and cones Special bearing race adaptersSpecial bearing race adapters Carbide cutting bitCarbide cutting bit
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Mounting the brake drumMounting the brake drum
Correct adaptersCorrect adapters
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Mounting a brake drumMounting a brake drum
Correct adaptersCorrect adapters Rubber-centered sleeveRubber-centered sleeve
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Mounting a brake drumMounting a brake drum
Correct adaptersCorrect adapters Rubber-centered sleeveRubber-centered sleeve Silencing bandSilencing band
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Surfacing the drumSurfacing the drum
Light glaze? Use #80-grit Light glaze? Use #80-grit sandpapersandpaper
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Surfacing the drumSurfacing the drum
Light glaze? Use #80-grit Light glaze? Use #80-grit sandpapersandpaper
Remove as little as possibleRemove as little as possible
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Surfacing the drumSurfacing the drum
Light glaze? Use #80-grit Light glaze? Use #80-grit sandpapersandpaper
Remove as little as possibleRemove as little as possible
Two cuts: ‘Rough’ followed by Two cuts: ‘Rough’ followed by ‘finish’‘finish’
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Surfacing the drumSurfacing the drum
Light glaze? Use #80-grit sandpaperLight glaze? Use #80-grit sandpaper
Remove as little as possibleRemove as little as possible
Two cuts: ‘Rough’ followed by ‘finish’Two cuts: ‘Rough’ followed by ‘finish’
#80-grit sandpaper final finish#80-grit sandpaper final finish
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What’s next?What’s next?
Continue on brake technologyContinue on brake technology
Prepare for ASE certificationPrepare for ASE certification
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