Alb Mod Chain A Flashcards
Power transmission chains are used as a positive drive to:
transmit power between widely spaced shafts
Power transmission chains are about ___% (or better) efficient
98%
Chain drives are limited by: (3)
- Don’t slip on overload
- lubrication is often difficult to maintain
- Service life less than that of gears
The two main designs of chains are: (2)
- Roller
- Silent
Chains can be made of: (3)
- Hardened carbon steel
- Stainless steel
- Synthetics
A standard roller chain consists of two types of links: (2)
- Pin link
- Roller link
The parts of a pin link are: (2)
- Pin (x2)
- Pin link plate (x2)
The parts of a roller link are: (3)
- Roller link plate (x2)
- Bushing (x2)
- Roller (x2)
A connecting link is an unriveted link in a chain. They can use a spring clip, or cotter pins, usually on sizes of ___ chain and larger
80
If the side plate of a connecting link is press fit, it is more difficult to install, however it does not:
reduce the working load capacity of the chain
A connecting link changes the length of the chain by:
two pitches
A single pitch offset link is also called a:
Half link
A two pitch offset link provides:
full strength
Preferred over single pitch offset links
Standard single pitch roller chain has it’s dimensions standardized by: (3)
- ANSI (american national standards institute)
- ISO (International standards organization)
- BS/DIN (British standard)