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Which one is the method of construction of hoses?

Which one is the method of construction of hoses? Correct Answer Braided

Explanation:

  • All hydraulic hoses have the same three layers: an inner tube made of different material that determines which fluid type can be carried, a reinforcement layer(s), and an outer layer.
  • The main difference between spiral and braided hydraulic hoses is in the construction method employed for their reinforcement layer.
  • For braided hoses, as their name implies, this layer consists of an alternating criss-cross pattern of steel wires that form a braid.
  • The manufacturing process is quite complex, requiring giant braiding machinery that forms the braid over an extruded inner tube.
  • Additionally, it requires an extensive quality check protocol to make sure the braids do not splinter; otherwise, the thickness of the end product gets affected.
  • On the other hand, spiral hoses also have steel wires wrapped around an inner tube, but instead of interlocking with each other, they run parallel to each other in a helical pattern.
  • Manufacturing spiral hydraulic hoses is typically a faster process than braided hoses for the same number of reinforcement layers.
  • The construction method used gives each hydraulic hose different physical properties.

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