Chapter 11 - Chain Drives Flashcards
How do chain drives compare to belts and gear drives?
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Briefly describe the following:
- roller links
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Briefly describe the following:
- pin links
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Briefly describe the following:
- standard roller chain
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Briefly describe the following:
- connecting links
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Briefly describe the following:
- offset links, both one-pitch and two-pitch
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What is the reason for standardizing all dimensions in roller chains?
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What type and size of roller chain are the following:
- #21?
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What type and size of roller chain are the following:
- #45?
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What type and size of roller chain are the following:
- #51?
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What type and size of roller chain are the following:
- #60-2H?
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What are the advantages of small pitch multiple-strand roller chains on high speed drives in comparison to single large pitch chain?
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Why is accurate alignment important on multi-chain drives?
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What applications are suitable for double-pitch chains?
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What type and size of chain is a 2050?
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What application is best suited to silent chain?
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What keeps silent chain from sliding off the sprocket?
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Briefly describe the four groups of hubs - A, B, C and D
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How are straight bore sprockets received from the manufacturer?
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What types of sprockets are used with double-pitch chain?
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What are the merits of
roller-chain-drives?
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How much wrap is considered minimum on the small sprocket?
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What circumstances indicate the need for a heat treated drive sprocket?
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What circumstances indicate the need for countershaft or jackshaft drives?
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What is the recommended slack for horizontal one-direction chain drive and for vertical chain drive?
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Where are idlers located to take up slack and support chain drives?
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When are guide rails used to support drive chains?
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Describe the procedure for aligning shafts and sprockets
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What grades of oil are used to oil roller chain?
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What methods are used, and at what intervals are roller chain lubricated?
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What are the tell-tale signs of misalignment?
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How does one diagnose:
- chain wear?
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How does one diagnose:
- sprocket wear?
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What may be the causes of excessive slack?
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Why should sprocket condition be assessed when installing a new chain?
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How is the length of the new chain calculated?
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Briefly describe how a roller chain is taken apart?
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Describe how roller chain is joined
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What are the causes of the following problems:
- noisy drive?
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What are the causes of the following problems:
- rapid wear?
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What are the causes of the following problems:
- chain climbs sprockets?
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What are the causes of the following problems:
- stiff chain?
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What are the causes of the following problems:
- broken chain sprockets?
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