V Belt & Chain Drive

Course Outline

Module (01) Flexible Drive Belt Safety

• Identify common flexible belt drive safety guidelines
• Identify the potential hazard of pinch points
• Explain the proper procedure for lockout, tagout, and blockout
• Identify the PPE required and/or not appropriate for flexible drives maintenance
• Identify the potential for burn hazards
• Identify the potential hazards resulting from rigging and lifting
• Explain the proper use of using a hydraulic and/or manual puller to remove pulleys

Module (02) Common Types of Belts Used for Flexible Belt Drives

• Identify the four common types of belts used for flexible belt drives
• V-belts and double V-belts
• Identify timing and cog belts
• Identify adjustable (variable speed) belts
• Identify flat belts

Module (03) Characteristics of V-belts

• List and describe the characteristics of V-belts
• Describe the construction of V-belts
• Explain the identification of V-belt letter/number combinations
• Compute the correct belt length required when the belt is missing
• Identify the correct matching number application

Module (04) Proper V-belt Alignment and Tension

• Identify considerations for proper V-belt alignment and tension
• Explain the result of misalignment and improper tension
• Identify the three misalignment conditions of pulley-to-pulley alignment
• Describe two methods used for tensioning a V-belt drive system
• Characteristics of Double V-belts and Timing Belts
• List the characteristics of double V-belts
•  Describe the characteristics of timing belts
• Describe the construction of double V-belts
• Describe the construction of timing belts
• List the uses of double V-belts
• List the applications of timing belts

Module (05) Functions of Variable-Speed Belt Drives

• Describe the function of variable-speed belt drives
• Describe the operation of a variable-speed belt drive
• Compute the change in the driven pulley speed
• Compute the change in the driver pulley speed

Module (06) Drive Chain Safety

• Identify common chain drive safety guidelines
• Identify the potential hazard of pinch points
• Explain the proper procedure for lockout, tagout, and blockout
• Identify the PPE required and/or not appropriate for chain drive maintenance.
• Identify the potential for burn hazards.
• Explain the proper use of using a hydraulic puller to remove sprockets

Module (07) Common Types of Chains Used for Chain Drives

• Identify the three common types of chains used for chain drives
• Identify various styles of roller chain
• Identify various styles of silent chain
• Identify various styles of engineering chain

Module (08) Characteristics of Roller Chain Drives

• List and describe the characteristics of standard roller chain
• Describe the construction of heavy series chain
• Describe the construction of double pitch roller chain
• Describe the construction of hollow pin, side bow, and leaf chain

Module (09) Proper Chain Alignment and Tension

• Identify considerations for proper chain alignment and tension
• Explain the result of misalignment and improper tension
• Identify the three misalignment conditions of sprocket-to-sprocket alignment
• Describe two methods used for tensioning a roller chain drive system

Module (10) Characteristics of Silent Chain Drives

• List the characteristics of silent chain drives
• Describe the advantages of silent chain drives
• Describe the construction of silent chains
• List the two ways used to keep silent chain from sliding off the sprockets
• Explain the conveying application of silent chain drives

Module (11) Engineering Chain Types

• Describe cast engineering chain construction and their application
• Describe double-flex, drop forged, engineered steel polymeric and weld steel chain and their applications
• Describe corrosion resistant chain and tabletop chain
• Compute the change in the driven sprocket speed
• Compute the change in the driver sprocket speed

Module (12) Engineered and Drive Chain Sprockets

• Describe sprocket types and styles
• Describe segmental sprockets and traction wheels
• Describe the selection and specifications, including number of teeth, height of teeth, bore and hub sizes, and gapped sprockets

Module (13) Lubrication and Chain Guards

• Describe the three styles of chain lubrication
• Describe the application of chain guards