HFC9 Bell Crank Lever Didactic Equipment Vocational Education Equipment Mechanical Training Equipment
Description
A sturdy aluminium base frame supports a vertical pillar onto which pivots the bell crank lever. The bell crank lever contains five loadings rings into which the Load hanger can be fitted to vary the mechanical advantage of the system. A spring balance is supported horizontally at the base of the bell crank lever, and has an adjustable mechanism to enable the datum position to be returned. Lever mechanisms of all shapes and sizes are very common parts of machines, particularly in hand operated devices. The bell crank lever offers the typical mechanical advantage of a lever, and in addition it turns the line of
action of the effort through 90°. In most cases the cranked lever would be a casting with a bushed pivot at the corner. The experimental model has been built up from plastic to simulate the real thing. This traditional item enables the reaction force of a 90° bell crank to be measured by a spring balance when a load is applied at any of five leverage ratios.
Features
Compact bench top unit
Levers and moments
spring Balance for Load recording
Five loading arrangements
Full set of weights and hanger supplied Technical Specification
Aluminium base with rubber feet
90° Bell Crank Lever
Hanger positions from fulcrum: 200, 250, 300, 350, 400 mm
Spring Balance: 6kgf, 0.1kgf resolution
1 x Load hanger
Weights set
Weights & Dimensions
Weight: 4 kg
Length: 440mm
Width: 100mm
Height: 270mm
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