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NBR Used in Precision Machining Service

Nitrile Butadiene Rubber (NBR), commonly known as Nitrile rubber, is not typically machined using traditional CNC methods due to its soft and deformable nature. However, specialized CNC processes, such as CNC milling or laser cutting, can be employed for cutting or shaping certain types of rubber materials, including NBR. Here are key points regarding the use of NBR in advance cnc machining:

Material Overview:

  • NBR is a synthetic rubber copolymer of acrylonitrile and butadiene, known for its excellent oil resistance, chemical resistance, and flexibility. It is commonly used in seals, gaskets, and other applications requiring resistance to oils and fuels.

Applications in CNC Machining:

  1. Seals and Gaskets: NBR is widely used for manufacturing seals and gaskets due to its excellent oil and chemical resistance.

  2. Automotive Components: NBR is employed in the automotive industry for manufacturing components such as O-rings, hoses, and grommets.

  3. Industrial Seals: NBR is used in industrial applications where resistance to oils and chemicals is crucial, making it suitable for various sealing applications.

CNC Machining Processes for NBR:

  1. CNC Milling: Specialized CNC milling machines equipped with softer tooling or blades can be used to cut or shape NBR materials.

  2. Laser Cutting: Laser cutting is a precise method for cutting or engraving NBR. The laser beam melts or vaporizes the material, allowing for intricate designs.


  • Material Composition: The specific composition of NBR can affect its machinability. Different formulations may require adjustments in CNC machining parameters.

  • Material Support: NBR may need support during CNC machining to prevent deformation. Fixturing or specialized tooling may be used to stabilize the material.

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