Main Shaft
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STE Thailand

Main Shaft

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Description

Main Shaft is a critical component of the Digester used in palm oil extraction. It transmits rotational power from the motor to the Agitator Arm, enabling effective stirring and maceration of fresh palm fruits before the pressing process in the Screw Press.

As the Main Shaft must withstand high torque and continuous operation at elevated temperatures, it is manufactured from durable, wear-resistant materials to ensure long-term performance.


Main Shaft Features

  • Designed to withstand high torque from continuous operation

  • Strong and durable against the heavy stirring forces within the digester

  • Manufactured from high-grade materials resistant to heat and abrasion

    • Typically made from carbon steel or stainless steel, often heat-treated or surface-hardened

  • Easy to dismantle and maintain

    • Minimizes machine downtime and extends system lifespan

  • Enhances the palm fruit digestion process

    • Promotes even pulp distribution for maximum oil extraction efficiency


Types of Main Shaft

  • Standard Main Shaft
    Suitable for digesters with normal production capacity and standard stirring loads

  • Heavy-Duty Main Shaft
    Designed for high-torque operations, ideal for large-scale palm oil production facilities

  • Custom-Made Main Shaft
    Tailored dimensions and materials to match specific digester models and production needs


Main Shaft Applications

  • Palm Oil Mills – Core part of the Digester, preparing palm fruit for efficient oil pressing

  • Biodiesel Production Plants – Handles raw material preparation for biofuel processing

  • Vegetable Oil Processing Plants – Used in palm pulp preparation before refining


Main Shaft Advantages

  • Ensures optimal performance of the digester unit

  • Minimizes wear on internal parts of the digester

  • Built to handle high torque and harsh processing conditions

  • Easy installation and maintenance, reducing operating costs

  • Maximizes efficiency of the Crude Palm Oil (CPO) extraction process