CB-400: Mechanical Drives Training

Course Description

This 32 hour, 4 day training program covers mechanical drives operation, selection, installation, and maintenance. It provides the methods to properly install and maintain all major types of belts, roller chain, and coupling drives. Measurement and inspection techniques are also covered in detail. Basic bearing installation and maintenance is also covered with an emphasis on setting clearances for spherical roller bearings.

Topical Outline

  • Safety
  • Shop Math – Fractions and Decimals
  • Precision Measurement – Micrometers, Calipers, Indicators, and Machinists Level
  • Fasteners and Torque
  • Belt Types and Identification
  • Belt Numbering Systems
  • Belt Length Calculations
  • Belt Drive Ratio Calculations
  • Safety and Guarding Design
  • Pulleys and Sheaves Inspection
  • Pulley and Sheave Installation
  • Roller Chain Types, Size, and Identification
  • Sprocket Types and Identification
  • Chain Drive Ratio Calculations
  • Chain Lubrication
  • Troubleshooting Chain Failures
  • Belt and Chain Alignment and Tensioning – Rough Alignment and Precision Alignment
  • Drives with Multiple Speed Reductions
  • Types of Couplings and Alignment Requirements
  • Elastomeric Couplings, Jaw Couplings, Chain Couplings, and Grid Couplings
  • Coupling Alignment Methods
  • Run-out, End Play, and Soft Foot Checks and Corrections
  • Straightedge and feeler gauge alignment methods
  • Rim and Face and Reverse Dial Alignment
  • TIR and Validity Rule
  • Shim Formula


Persons successfully completing this course will be able to:
  • Describe safety guidelines and OSHA requirements for mechanical drives
  • Add and subtract decimals and fractions
  • Convert fractions to decimals and decimals to fractions
  • Properly measure various dimensions using micrometers, calipers, indicators, and machinist levels
  • Identify various fastener grades and demonstrate proper torqueing techniques
  • Identify various belts, sheaves, roller chain, and sprockets
  • Perform belt and chain drive ratio calculations on single and multiple drives
  • Align belt and chain drives using straightedge and precision alignment techniques
  • Install various types of shaft couplings
  • Perform rim and face coupling alignment
  • Perform reverse dial indicator alignment
  • Describe various bearing installation procedures
  • Describe various types of lubricants and their properties
  • Install spherical roller bearings and properly set clearances

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