Hexagon Socket Copper Bolts

 

• 1.1 Material selection: According to the performance requirements of the product, select suitable copper materials, such as H62 brass, T2 copper, etc. These copper materials have good electrical conductivity, thermal conductivity, corrosion resistance and processing performance, which can meet the use requirements of cylindrical head hexagon socket copper bolts.
• 1.2 Inspection: Strict quality inspection of the purchased copper materials, including checking the chemical composition, mechanical properties, surface quality, etc. of the copper materials, to ensure that the raw materials meet the production standards. At the same time, the size specifications of the copper materials are measured to ensure that they meet the requirements of subsequent processing.
• 1.3 Straightening and cutting: For disc-shaped or coiled copper materials, straightening treatment is required to make them straight for subsequent processing. Then, according to the length requirements of the bolt, use cutting equipment (such as sawing machines, shearing machines, etc.) to cut the copper materials into suitable blanks.

 

 

 

3.1 Thread rolling or thread rolling: Use a thread rolling machine or a thread rolling machine to thread the shank of the bolt. Thread rolling is to extrude and roll the blank through two rolling wheels with thread profiles to form threads on the surface of the blank; thread rolling is to use two rolling plates with thread profiles to move relative to each other to extrude and cut the surface of the blank to form threads. Both processing methods can form a cold-work hardening layer on the thread surface, improving the strength and wear resistance of the thread.

3.2 Thread accuracy control: During the thread processing process, the parameters such as the dimensional accuracy, tooth profile accuracy, pitch accuracy and surface roughness of the thread must be strictly controlled. By using high-precision molds and advanced processing equipment, as well as reasonable processing technology, ensure that the matching accuracy of the thread and the nut meets the design requirements.

 

 

4.1 Cleaning: Clean the processed bolts to remove impurities such as oil, iron filings, and processing debris on the surface. Common cleaning methods include solvent cleaning and ultrasonic cleaning. The surface of the bolt after cleaning should be clean and free of impurities, ready for subsequent surface treatment.

4.2 Passivation treatment: In order to improve the corrosion resistance of copper bolts, they can be passivated. Soak the bolts in the passivation solution to form a dense passivation film on the surface, which can prevent direct contact between copper and the external environment, thereby slowing down the corrosion rate.

4.3 Plating treatment (such as nickel plating, chrome plating, etc.): According to the special requirements of customers, copper bolts can also be plated, such as nickel plating, chrome plating, etc. Plating can further improve the corrosion resistance, wear resistance and aesthetics of the bolts, and can also meet some specific use environments and functional requirements.

 

 

5.1 Appearance inspection: Check whether there are cracks, scratches, burrs, missing materials, deformation and other defects on the surface of the bolts by visual inspection or with the help of tools such as magnifying glasses, whether the surface treatment is uniform and complete, and whether the shape of the hexagonal hole and thread is regular.

5.2 Dimension measurement: Use calipers, micrometers, thread gauges, hexagonal gauges and other measuring tools to measure the diameter, length, pitch, tooth type, hexagonal hole size, etc. of the bolts to ensure that the dimensional deviation is within the tolerance range.

5.3 Mechanical performance test: Conduct tensile test, torque test, hardness test, etc. on the bolts to detect whether their mechanical performance indicators such as tensile strength, yield strength, hardness, etc. meet the standards and design requirements. For some bolts with special purposes, other performance tests may be required, such as conductivity test, thermal conductivity test, etc.

 

 

6.1 Packaging: According to customer needs and product characteristics, select appropriate packaging materials and methods, such as plastic bags, paper boxes, cartons, etc. for packaging, and indicate the product specifications, quantity, batch, production date and other information on the outer packaging. For some bolts with high precision or special requirements, special packaging methods such as vacuum packaging and rust-proof packaging can also be used to protect the quality of the product during transportation and storage.

6.2 Warehousing: Store the packaged cylindrical head hexagon socket copper bolts in a dry and ventilated warehouse, and store them according to specifications, batches, etc. for easy management and delivery. At the same time, the bolts in stock should be checked regularly to ensure that their quality is not affected.

 

Hot Tags: hexagon socket copper bolts, China hexagon socket copper bolts manufacturers, suppliers, Countersunk Copper Bolt, Hexagon Socket Copper Bolts, copper bolts, Round Head Copper Bolt, Hexagon Head Copper Bolt