News Details

Flat Screw Heading Die

In the fastener manufacturing industry, flat screws are a common connecting element widely used in various machinery, equipment and buildings. As a major processing technology in the production of flat screws, cold heading technology has the characteristics of high efficiency, energy saving and environmental protection. As a key component in the cold heading process, the quality and performance of the flat screw heading die directly affect the production efficiency and product quality of the flat head screws.

The flat screw heading dies usually consists of three parts: the upper die, the lower die and the punch. The clearance and shape between the upper die and the lower die determine the final shape and size of the flat screw. The punch is used to push the metal blank into the die and complete the cold heading process in the die.

Features of Flat Screw Heading Dies:

● High Precision: The manufacturing accuracy of the die directly affects the dimensional accuracy and shape accuracy of the flat head screws. Therefore, the die is usually manufactured using high-precision processing equipment and processes.
● High Strength: During the cold heading process, the die needs to withstand greater pressure and impact. Therefore, the die material is usually made of high-strength, high-hardness alloy steel or cemented carbide to ensure the service life and stability of the die.
● Good Wear Resistance: The die will constantly rub against the metal blank during use, so it needs to have good wear resistance to reduce die wear and maintenance costs.

Manufacturing Process of Cold Heading Die for Flat Screws:

● Die design: The structure of the die is designed according to the size and shape requirements of the flat head screws. Factors such as the strength, rigidity, wear resistance and service life of the die need to be considered during the design process.
● Material selection: Select high-strength and high-hardness alloy steel or cemented carbide as the die material. These materials have good mechanical properties and wear resistance, and can meet the force requirements of the die during cold heading.
● Heat treatment: Heat treatment is performed on the die material to improve its hardness and wear resistance. During the heat treatment process, parameters such as heating temperature, insulation time and cooling method need to be controlled to ensure that the performance of the die material reaches the best state.
● Machining: The die is machined using high-precision processing equipment and processes to ensure the dimensional accuracy and shape accuracy of the die. Multiple inspections and corrections are required during the processing process to ensure the manufacturing quality of the die.
● Debugging: After the die is manufactured, debugging and trial production are required. Through debugging, it can be checked whether the manufacturing quality and performance of the die meet the requirements, and necessary adjustments and improvements can be made according to the results of the trial production.

Application of Flat Screw Heading Mold:

Flat screw heading dies are widely used in the fastener manufacturing industry. With the rapid development of the automotive, machinery, construction and other industries, the demand for flat head screws is increasing, and higher requirements are placed on the quality and performance of dies. In order to meet market demand, mold manufacturers continue to adopt new technologies and processes for mold research and development and production. For example, the use of CAD/CAM technology for mold design and manufacturing can improve the manufacturing accuracy and efficiency of the mold; The use of new materials such as cemented carbide and ceramics to manufacture molds can improve the wear resistance and service life of the mold; The use of advanced heat treatment technology and surface treatment technology can further improve the performance and stability of the mold.