Quick Answer: The Bar Breaking Apparatus shows the forces that can be exerted during thermal expansion or contraction, using a stout iron bar carried in a heavy cast iron frame with slotted end pillars.
Last updated: October 2026
Key Features
Heavy cast iron frame with slotted end pillars
Stout iron bar threaded at one end for a large tensioning nut
Holes at the other end of the bar accommodate the cast iron breaking bars
Frame dimensions of 340 mm x 120 mm x 100 mm
Breaking bars also available separately
Technical Specifications
Specification
Value
Frame
Heavy cast iron, slotted end pillars
Frame dimensions
340 mm x 120 mm x 100 mm
Bar
Stout iron bar, threaded at one end
Breaking bars
Cast iron
About This Product
The apparatus demonstrates the forces which can be exerted during thermal expansion or contraction. The stout iron bar rests in the slotted end pillars of the frame, with a large tensioning nut on its threaded end and holes at the opposite end that take the cast iron breaking bars.
Frequently Asked Questions
Q1. What does the bar breaking apparatus demonstrate? It shows the forces which can be exerted during thermal expansion or contraction.
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