MD2 REVIEWER

Front

machine elements used when the distance between the driving shaft and driven shaft is too great to be connected by gears.

Back

Flexible Connectors

Front

usually made of leather, rubber, or woven fabrics; flat and thin;

Back

Belts

Front

Used to connect shafts as much as 9 m (30 ft) apart; Run economically at speeds as high as 23 m/s (4500 fpm);

Back

Flat Belt

Front

made with V-shaped cross section to be used on grooved pulleys. Used for connecting shafts which are less than 5 m (15 ft) apart; Speed ratios up to 7 to 1; Speed is up to 25.5 m/s (5000 fpm);

Back

V-Belt

Front

are basically flat belts with series of evenly spaced teeth on the inside circumference

Back

Timing belts or Synchronous belts

Front

flexible connectors that are nearly circular in cross section and made up of manila, hemp, cotton, or wire.

Back

Ropes

Front

Used for connecting shafts up 30.5 m (100 ft) apart; and Operate at a speed of less than 3 m/s (600 fpm)

Back

Ropes

Front

– flexible connector composed of metallic links jointed together, and run on either sprockets or drums either grooved, notched, or toothed

Back

Chains

Front

-          Used for connecting shafts less than 5 m (15 ft) apart; Speed depends on the type of chain; and Roller and silent chains may operate at speeds up to 13 m/s (2500 fpm).

Back

Chains

Front

-          used to transmit power through sprockets rotating in the same plane

Back

Roller Chain