- Civil Lab Mechanical Lab Engineering Lab Equipments
- sales@didacticlabequipments.com
CAT NO: DIDACTICNLE-Export-055006
Wall Mounted Screw Jack- Engineering Lab Training Systems.
Features
Low cost, effective teaching
Self-contained
Wall mounted
Introduction to simple machines
Determination of velocity ratio mechanical advantage and efficiency
Comparative efficiency of square and
Vee form threads
Three year warranty
Range of Experiments
Experimental determination of velocity ratio and comparison with calculated value
Determination of variation with load of:
effort
friction
efficiency
Limiting efficiency of the machine
Comparison of relative efficiency of Vee and Square thread forms
Description
The experimental screw jack mechanism is built on a sturdy wall bracket
The
shaft of the 200mm diameter turntable has both square and Vee form
threads of 24mm x 3mm pitch. The load hanger can be suspended from a
yoke from either of the nuts. Torque is applied to the turntable through
two "effort" hangers, and can be arranged to either lift or lower the
load.
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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