Telescopic spring covers are typically used in industry to cover machine screws to form mechanical protection, though recent uses have included isolating protein greases from foodstuffs. These helical metal covers surround and protect critical cylindrical mechanisms. Their overlapping coils seal out contaminants while wiping away dirt and debris with each cycle. An equally important use is as a safety barrier to seal off pinch points and other hazards to prevent injury.
The spring action holds the unit in place as it expands and compresses between two parallel surfaces. Simple flanges may be used to position the cover, which is normally installed over the end of a rod, shaft or screw assembly. However, open-wound models are available to be wound onto the rod, shaft or screw without the necessity of partially disassembling the host machine.
Motion Technologies’ telescopic spring covers are made of 1095 polished blue carbon steel and provide long life and maximum protection of rods, shafts and screws from chips and other destructive elements. They are also available in stainless steel for applications subject to rusting or pitting. Sizes range from internal diameters of 7 to 300mm with extended lengths up to 4500mm. Over 2000 custom sizes are available.
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