Why is Tubular heater winding and assembly machine Better?
What's the Difference Between Cartridge Heaters and ...
The typical connection on a tubular heater is a threaded stud terminal with either a ceramic or mica insulator.
Tubular heaters are used for immersion and air heating. They often get clamped to objects such as vessels and tanks, fitted into milled groove platens, immersed directly into a liquid, or even are mounted in ducts for heating air and gas. They may also be available in single and double-ended versions.
The internal make-up of tubular heaters resembles that of cartridge heaters. They generally contain a helical Nichrome resistive wire that serves as a heating element. It is welded on each end to terminal pins. The heating element is centered in the sheath which is filled with MgO. The MgO is compacted to stabilize the coil and promote heat transfer to the sheath.
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Because cartridge heaters have a simpler geometry, they can sometimes provide a higher surface-watt density than tubular heaters. The reason is that their heating elements can lay closer to the sheath surface than in tubular heaters where the resistive wire may have to accommodate bends or changes in geometry. Also as a consequence of the simple geometry, cartridge heaters may be fabricated in diameters down to about 1/8 in. where the minimum diameter for tubular heaters is usually ¼ in.
Why need resistance wire winding machine for electric ...
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