7 Chain Drives
Nomenclature
- a
- centre distance, mm
- a c
- acceleration, m s−2
- b 1
- width between inner link plate, mm
- D
- pitch diameter of a sprocket, mm
- d
- chordal diameter of a sprocket, mm
- d 1
- roller diameter, mm
- d 2
- pin diameter, mm
- F 1
- tight side tension, N
- F 2
- slack side tension, N
- F c
- tension induced by centrifugal force, N
- F d
- dynamic force, N
- F e
- effective peripheral force, N
- F f
- sagging force, N
- F Q
- force acting on the shaft, N
- i
- speed ratio
- K A
- service factor
- K p
- multiple‐strand correction factor
- K Q
- factor
- K z
- tooth correction factor for a sprocket
- L p
- chain length in pitches, the number of links
- m
- mass of tight side chain, kg
- N
- number of strand
- n
- rotational speed of a sprocket, rpm
- P
- transmitted power, kW
- P 0
- basic power rating of a chain drive, kW
- P r
- actual power rating of a chain drive, kW
- p
- pitch, mm
- p t
- strand spacing, mm
- q
- mass of chain per unit length, kg m−1
- Q
- limiting tensile load of single‐strand chain, N
- R
- pitch radius of a sprocket, mm
- r
- chordal radius of a sprocket, mm
- S ca
- safety factor
- t
- link plate thickness, mm
- v avg
- average speed of a chain, m s−1
- v
- instantaneous velocity along the chain, m s−1
- v′
- instantaneous velocity vertical to the chain, m s−1
- z
- number ...
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