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VIIPLUS is the perfect choice for your business Self-lubricated Parts needs.

Provide You Best Self-lubricating Bearings Solution.

Self-lubricating bearings feature precision tolerances, proprietary internal geometries and quality self-lubricating materials. our bronze, cylindrical bushes, flanged bushes, thrust washers, sliding bearings, precision and housed unit bearings deliver strong performance, consistently and reliably.

We collaborate with global customers in diversified application. From wind energy in the North Sea to mining machinery crossing the Sahara, we bring to life know-how and innovation, providing true marketplace advantage.

To this day, VIIPLUS’s founding vision of making the world move more efficiently and reliably remains at the core of our business.

As the china supplier of self-lubricating bearings, The VIIIPLUS Company applies its deep knowledge of metallurgy, tribology and cast systems to improve the reliability and efficiency of equipment, machinery and energy worldwide.

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CNC parts processing heat treatment

What are the causes of the heat treatment of machine parts?

The heat treatment of CNC parts processing is to improve the hardness, wear resistance and strength of the mechanical properties of parts, in order to better complete their use value.

Remove the internal stress of the blank. It is mainly used for casting, forging and welding.

Improve the processing conditions to make the material easier to process. Such as annealing, normalizing, etc.

Improve the comprehensive mechanical properties of metal materials. For example, tempering.

Obtain hardness. For example, quenching, carburizing quenching…

Small Business Bearings Solutions & Services, Maintenance-free

The processing for CNC parts processing

  1. In order to ensure the machining accuracy, it is best to carry out the rough and finish machining separately. Because rough machining, cutting quantity is big, the workpiece by cutting force, clamping force is big, calorific value is much, and the machining surface has more obvious machining hardening phenomenon, the workpiece internal existence is larger internal stress, if the thick, rough machining continues continuously, the precision of the parts after finishing will be due to the stress distribution and quickly lost. For some machining precision requirements of high parts. After rough machining and before finishing machining, low temperature annealing or aging process should be organized to eliminate the internal stress.
  2. Choose equipment reasonably. Machine parts processing plant rough processing is mainly to cut off most of the processing margin, does not require a higher processing accuracy, so the rough processing should be in the power is larger, the precision is not too high on the machine tool, the finishing process is required to use more high-precision machine tool processing. Coarse and fine machining are processed on different machine tools, which can not only give full play to the equipment capacity, but also extend the service life of fine machine tools.
  3. In the machining process route, heat treatment process is often organized. In order to improve the machining performance of metal, such as annealing, normalizing, tempering, etc., the general structure is carried out before machining. In order to eliminate the internal stress, such as aging treatment, tempering treatment, etc., the general organization after the rough machining, finishing before. In order to improve the mechanical properties of parts, such as carburizing, quenching, tempering, etc., the general organization is carried out after machining. If there is a large deformation after the heat treatment, the final machining process must be organized.


    The Plain Bearings, Self-lubricating Bushings & Polymer Coatings You Need

    Design partners in reliable tribology, VIIPLUS offers globally expertise in polymer coating bushes, plain bearings and self-lubricating bushings for friction reduction.

    Self-Lubricating Bearings, Bushings – Metal Polymer Manufacturer

    Self-Lubricating Bearings types available in standard dimensions
    Cylindrical bushes
    Flanged bushes
    Thrust washers
    Flanged washers
    Sliding plates.

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    composite-bushings

    Wrapped sliding bearing, wrapped bushing, steel /POM sliding layer, DIN 1494/ISO 3547, Low-maintenance

    MATERIALS

    • Support material:Steel copper-plated or tin-plated
    • Intermediate layer:Sintered bronze
    • Sliding layer POM (MoS2)/lubrication pockets
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    solid bushing, bronze with lubricant plugs embedded graphite, Maintenance-free.

    continuous and centrifugal cast bronze bearing.

    MATERIALS:Support material:CuZn25A16Fe3Mn4

    Sliding layer:Solid lubricant surface: app. 25-30% graphite

    Other commonly used bronze alloys:

    Manganese bronze bearings,Tin bronze bearings,Aluminum bronze bearings

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    Wrapped composite sliding bearing, Copper-plated or tin-plated steel/bronze, bimetal bearing DIN 1494 / ISO 3547, Maintenance-free, With lubrication pockets

    MATERIALS:

    Support material: Steel copper-plated or tin-plated

    Sliding layer: CuPb10Sn10.

    other layer: CuPb6Sn6Zn3、CuPb24Sn4、CuPb30、AlSn20Cu

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    Bushing Flexibility in order sizes

    We work together to turn the promise of VIIPLUS into the performance customers expect from and self-lubricating bearings industry advantage.

    Orders in metric and inch
    Orders in metric and inchBushing Design
    The Most Complete and Flexible
    Self-lubricating Bearings & High Tensile Brass Bushings in China
    Flexibility in order sizes
    Flexibility in order sizesSelf-lubricating Bearings Partner
    Self-lubricating Bearings Material following customer’s specification.Meet the International Standards.
    Self-lubricating Applications
    Self-lubricating ApplicationsBuy bronze bushing?
    The Bushing, Bronze Graphite Bearings And Self Lubricating Bushing With Solid Inserts Manufactured By VIIPLUS Are Used In Applications With Sliding Application

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    Self-lubricating FAQ