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A cast saw is an oscillating saw used to remove orthopedic casts. Instead of a rotating blade, cast saws use a sharp, small-toothed blade rapidly oscillating or vibrating back and forth over a minimal angle to cut material and are therefore not circular saws. [1] This device is often used with a cast spreader. [2]
This saw was patented as a circular saw with an angular oscillating saw blade. It was used primarily in orthopaedics for cutting plaster casts. The crescent pattern of the oscillating rotation cut through the hard cast without damaging the patient’s skin. The plaster cast saw was equipped with a more powerful gearbox to upgrade it to a ...
For small volume runs the pattern can be hand cut or machined from a solid block of foam, or a sheet of foam core board if the geometry is simple enough it can even be cut using a hot-wire foam cutter. If the volume is large, then the pattern can be mass-produced by a process similar to injection molding.
Simulation accurately describes a cast component's quality up-front before production starts. The casting rigging can be designed with respect to the required component properties. This has benefits beyond a reduction in pre-production sampling, as the precise layout of the complete casting system also leads to energy , material, and tooling ...
The cast removal process, which involves a noisy oscillating saw, can cause distress, especially in children, though it is generally painless. Due to these drawbacks, fiberglass casts were developed in the 1970s, offering a lighter, more durable, and water-resistant alternative, though they still have limitations in terms of skin irritation and ...
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Bead blasting is the process of removing surface deposits by applying fine glass beads at a high pressure without damaging the surface. It is used to clean calcium deposits from pool tiles or any other surfaces, remove embedded fungus, and brighten grout color. It is also used in auto body work to remove paint. In removing paint for auto body ...
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