High Tensile Brass CuZn34Mn3Al2Fe1 Bushing Bearing, we supply high-quality, custom-sized CuZn34Mn3Al2Fe1 bronze bearing bushes with grooves using CNC machining.

CuZn34Mn3Al2Fe1 bronze bearing bushes, is a type of high tensile brass known for its exceptional hardness and suitability for demanding machine elements. Below is a detailed breakdown of its properties and characteristics based on the provided information:

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Chemical Composition (ASTM B505 C86200)

Element	% Min	% Max
Cu (Copper)	55.0	66.0
Sn (Tin)	–	0.3
Pb (Lead)	–	0.3
Zn (Zinc)	–	Remainder
P (Phosphorus)	–	0.03
Fe (Iron)	0.5	2.5
Ni (Nickel)	–	3.0
Si (Silicon)	–	0.1
Al (Aluminum)	1.0	3.0
Mn (Manganese)	1.0	4.0
Sb (Antimony)	–	0.05

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Mechanical Properties (Minimum Values)

Property	Value
Tensile Strength (Rm)	620 MPa
Yield Point (Rp0.2)	260 MPa
Elongation (5D, A)	14%
Hardness (HBw 10-1000)	150

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Physical Properties

Property	Value
Density	7.8 kg/dm³
Specific Heat	0.373 J/(g·K)
Thermal Expansion	20.0 × 10⁻⁶ K⁻¹
Thermal Conductivity	55 – 59 W/(m·K)
Electrical Conductivity	7 – 8 MS/m

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Key Features and Applications

• Extreme Hardness: This material is exceptionally hard, making it ideal for high-stress applications.
• High Tensile Strength: With a tensile strength of 620 MPa, it can withstand significant mechanical loads.
• Wear Resistance: Suitable for bearing bushes and other components subjected to friction and wear.
• Machinability: Despite its hardness, it can be machined into precise components.
• Corrosion Resistance: The alloy’s composition provides good resistance to corrosion, especially in harsh environments.

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Applications

• Bearing Bushes: Used in heavy machinery and automotive applications.
• Machine Elements: Suitable for gears, valves, and other high-demand components.
• Industrial Components: Used in pumps, compressors, and other equipment requiring high strength and durability.

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International Standard

The closest international standard for this material is ASTM B505 C86200, which specifies the chemical composition and mechanical properties of high tensile brass alloys.

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This material is an excellent choice for applications requiring high strength, hardness, and wear resistance, particularly in demanding industrial environments.

CuZn34Mn3Al2Fe1 is a type of bronze alloy commonly used for bearing bushes due to its excellent wear resistance, strength, and corrosion resistance. When manufacturing custom-sized bronze bearing bushes with grooves using CNC machining, here are the key steps and considerations:

1. Material Preparation

• Ensure the CuZn34Mn3Al2Fe1 bronze material is of high quality and meets the required specifications.

• Cut the raw material to the approximate size needed for the bearing bush.

2. CNC Machining Process

a. Turning

• Use a CNC lathe to machine the outer diameter (OD) and inner diameter (ID) of the bearing bush to the required dimensions.

• Ensure the surface finish is smooth to minimize friction during operation.

b. Groove Cutting

• Program the CNC machine to cut custom grooves on the inner or outer surface of the bush, depending on the application.

• Grooves can be spiral, straight, or custom-designed to improve lubrication and heat dissipation.

c. Drilling and Boring

• Drill oil holes or lubrication channels if required.

• Perform precision boring to achieve the exact inner diameter tolerance.

d. Finishing

• Deburr and polish the bearing bush to remove sharp edges and improve surface quality.

• Apply any additional surface treatments, such as coating or heat treatment, if necessary.

3. Quality Control

• Measure the dimensions of the bearing bush using precision tools like micrometers, calipers, or CMM (Coordinate Measuring Machine).

• Check the surface finish and groove geometry to ensure they meet the design specifications.

• Perform functional tests, such as fit checks with the shaft, to ensure proper operation.

4. Customization Considerations

• Size: Provide exact dimensions (OD, ID, length) and tolerances for the custom bearing bush.

• Groove Design: Specify the type, depth, width, and pattern of the grooves.

• Lubrication Requirements: Include details about oil holes or channels if needed.

• Application: Consider the operating conditions (load, speed, temperature) to ensure the material and design are suitable.

5. CNC Programming

• Use CAD/CAM software to create a 3D model of the bearing bush and generate the CNC machining program.

• Optimize the toolpath to minimize machining time and ensure precision.

6. Packaging and Delivery

• Pack the finished bearing bushes securely to prevent damage during transportation.

• Label the parts with relevant information (material, size, part number) for easy identification.