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Kunshan Rebig Intelligent Technology Co., Ltd.
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Method for solving vibration of gear pump of hydraulic press

Author: ComeFrom: Date:2017/8/21 9:20:37 Hits:2111
  Check whether the rubber parts of the motor and pump couplings are damaged or missing. The parts or parts of the hydraulic pump are damaged or worn seriously, which will cause vibration and noise. Wear will cause a radial runout of the rotor.
  Check the concentricity of pump and motor of single arm hydraulic press.
  Single arm hydraulic press gear pump whether to take in the bubble oil from the tank. Rubber damaged or missing in hydraulic press, which should be replaced or repaired.
  Check the sealing surface of the pump body and direct contact with the two end caps. If the gland for plastic products, because of its damage or deformation due to temperature changes, but also the seal is lax and into the air.
  Check the parts damaged or worn in the pump. It should be required to adjust the concentricity of the pump and motor installation.
If the surface of the contact surface is not up to the specified requirements, the pump will easily inhale air at work. It can be sealed with epoxy resin and other adhesive.
If the profile error or pitch error, contact two gear tooth surface roughness is high, normal length tolerance, the tooth side is too small, and two bared gear contact zone in a fine pitch.
  Check the key or spline of a coupling.
  Check the side contact between the end cap hole of the single hydraulic press pump and the outer diameter of the gland. Bearing press roller balls or cage breakage, the length of shaft neck wear, which can lead to bearing rotation caused by uneven gas to mechanical noise, the need to overhaul the gear pump, bearing replacement, repair or replace the single arm hydraulic pump shaft.
  At this point, the gear pair can be changed to grind. The hydraulic press single arm hydraulic press can be grinded back and forth on the flat plate by grinding paste on the 8 shape line. It can also be grinded on the surface grinder, so that its flatness is not more than 5mm, and the verticality of the plane and hole must be maintained. If cooperate badly, air is easy to come into contact from this place.

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