- Civil Lab Mechanical Lab Engineering Lab Equipments
- sales@didacticlabequipments.com
CAT NO: DIDACTICNLE-Export-056006
Bell Crank Lever Engineering Lab Training Systems.
Features
Low cost, effective teaching
Self-contained
Bench mounted
5 different lever ratio
Direct readout of reaction by
spring balance
Three year warranty
Range of Experiments
To determine by experiment the reaction force of a bell-crank lever to an applied load
To confirm the effect of leverage ratio
To compare with calculation by taking moments about the pivot
Description
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.
The bell crank is supported on a bushed pivot.
This
equipment is part of a range designed to both demonstrate and
experimentally confirm basic engineering principles. Great care has been
given to each item so as to provide wide experimental scope without
unduly complicating or compromising the design. Each piece of apparatus
is self-contained and compact. Setting up time is minimal, and all
measurements are made with the simplest possible instrumentation, so
that the student involvement is purely with the engineering principles
being taught. A complete instruction manual is provided describing the
apparatus, its application, experimental procedure and typical test
results.
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