2.3.4 Strength of Attachments . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 2.3.5 Stick Slip . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 2.3.6 Relative Differences in Chain’s Total Length . . . . . . . . . . . . 29 2.3.7 Take-Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 3. PUBLIC STANDARDS OF CHAINS ..............31 4. HOW TO SELECT CHAINS .......................32 4.1 TRANSMISSION CHAIN SELECTION .......................32 4.1.1 Chain Selection Factors . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 4.1.2 Coefficients Used in Selection . . . . . . . . . . . . . . . . . . . . . . . 34 4.1.3 Drive Chain Selection (General Selection) . . . . . . . . . . . . . . 36 4.1.4 Power Transmission Chain Selection for Slow Speeds . . . . . 39 4.1.5 Hanging Transmission Chain Selection . . . . . . . . . . . . . . . . 41 4.2 CONVEYOR CHAIN SELECTION ..........................47 4.2.1 Check of Conditions for Selection . . . . . . . . . . . . . . . . . . . . 47 4.2.2 Conveyor Type Selection . . . . . . . . . . . . . . . . . . . . . . . . . . 48 4.2.3 Selection of Chain Type and Specification . . . . . . . . . . . . . 50 4.2.4 Points of Notice About Roller Type . . . . . . . . . . . . . . . . . . 50 4.2.5 Chain Pitch Decision . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51 4.2.6 Deciding the Number of Sprocket Teeth . . . . . . . . . . . . . . . 51 4.2.7 Deciding the Attachment Type . . . . . . . . . . . . . . . . . . . . . . 52 4.2.8 Calculation of Tension . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52 4.2.8.1 Horizontal Conveyor . . . . . . . . . . . . . . . . . . . . . . . . 53 4.2.8.2 Free Flow Conveyor . . . . . . . . . . . . . . . . . . . . . . . . 53 4.2.9 Allowable Load of Roller and Standard A Attachment . . . . . 54 4.3 SELECTION EXAMPLE .................................55 5. CHAINS AND ENVIRONMENTS .................57 5.1 STEEL CHAINS ......................................57 5.1.1 Use of Steel Chains in High Temperatures . . . . . . . . . . . . . . 57 5.1.2 Use of Steel Chains in Low Temperatures . . . . . . . . . . . . . . 58 5.2 ENGINEERED PLASTIC CHAIN IN HIGH AND LOW TEMPERATURES . 58 5.3 OTHER CHAIN MATERIALS IN HIGH TEMPERATURES ...........59 5.4 COPING WITH SPECIAL CONDITIONS ......................59 5.4.1 Use in Wet Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59 5.4.2 Use in Acidic, Alkaline, or Electrolytic Conditions . . . . . . . . 60 5.4.3 Use in Abrasive Conditions . . . . . . . . . . . . . . . . . . . . . . . . 60
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