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Sigma Mixer Shaft Wear And Repair | JCT Machinery

December 03, 2024
sigma mixer

Why Does Sigma Mixer Shaft Wear?

Sigma mixer is an ideal equipment for kneading, mixing, vulcanizing and polymerizing high-viscosity, elastic-plastic materials. It is mainly composed of 5 parts: kneading part, base part, hydraulic system, transmission system and electronic control system.
Due to the dimensional tolerance of components, assembly process and long-term operation in a heavy-load environment, sigma mixer shaft wear phenomenon occurs from time to time. Once the shaft wear occurs, it weill inevitably cause sigma mixer blades to run unsteadily, produce vibration or unexpected shutdown.

  • Q
    Problem of Repairing The Sigma Mixer Shaft
    There are many repair technologies for shaft wear on the market, such as repair welding machine processing, brush plating, replacement of new parts, etc., but there are still certain difficulties in actual operation.
    1. The repair welding machine processing itself has thermal stress problems, which can easily cause the shaft to bend and deform. There is a risk of broken shafts during use. In addition, the cost of disassembly, transportation, maintenance and installation of large equipment is high, and the cycle is long, causing huge downtime and production losses to enterprises.
    2. Brush plating technology is subject to many limiting factors, such as operating space, unilateral wear of the shaft, etc., and the brush plating layer will fall off when it is too thick.
    3. Replacing new parts is not only time-consuming and laborious, but more importantly, a large number of spare parts need to be ketp in stock.
Sharing of Sigma Mixer Shaft Wear Repair Case
  • 1. Use oxygen acetylene to bake the oil on the surface of sigma mixer shaft clean until there is no spark and the surface is dry.

  • 2. Pre-turn and roughen the worn parts of the shaft.

  • 3. Clean the shaft surface with anhydrous ethanol and dry it.

  • 4. Mix the Sore carbon nanopolymer material in proportion until it is uniform and has no color difference, then apply the mixed material to the shaft surface, and the thickness of the application is slightly greater than the wear on one side.

  • 5. The material is solidified and machined to the required size to complete the repair.


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