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Cold heading machine manufacturer: Requirements for molds during cold heading processing

Cold heading machine manufacturer: Requirements for molds during cold heading processing

The cold heading machine has very high requirements for the mold. During the cold heading process, the blank is subjected to triaxial compressive stress in the mold, which significantly increases the deformation resistance, causing the stress on the mold to be much greater than that of ordinary stamping molds. When cold-pressed steel is used, the stress on the mold typically reaches 2000MPa to 2500MPa. For example, taking a low-carbon steel cup with a diameter of 38mm, a wall thickness of 5.6mm, and a height of 100mm as an example. When using cold heading, the maximum deformation force is only 17t, while when using cold pressing, the maximum deformation force is 132t. At this time, the unit pressure acting on the cold pressing punch is 230.

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2021

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05

Characteristics of cold heading machines

Characteristics of cold heading machines

Modern cold heading machines have currently evolved from simple dual-station to multi-station. This equipment is easy to operate and has a simple process, and can be designed as a cold heading machine that pushes out elongated specifications. The difference between a cold forging machine and a cold heading machine lies in the process, which is the difference between forging and heading. Forging is a processing method that applies external force to change the shape of a part. Heading is a type of forging, which is a method of shortening the length of a part and increasing its diameter.

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2021

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Performance advantages, operating methods, and use of molds for cold heading machines

Performance advantages, operating methods, and use of molds for cold heading machines

Cold heading is a forging method that uses molds to forge metal rods at room temperature. It is usually used to make the heads of screws, bolts, rivets, etc. The forging materials can be copper, aluminum, carbon steel, alloy steel, stainless steel, titanium alloy, etc. What does a header machine do for fasteners? Performance advantages of cold heading machines.

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2021

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What are the precautions for using and maintaining the punching machine equipment?

What are the precautions for using and maintaining the punching machine equipment?

The header machine not only can work with a variety of materials, but it can also produce a wide range of products. Its mechanical equipment has advantages such as high speed, high stability, high precision, and durability.

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2021

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Latest development trends of screw forming machines

Latest development trends of screw forming machines

The screw forming machine is a high-performance forging device that can cut coils and process plasticity, producing hundreds of bolts per minute. Depending on the forging die structure, it can produce various components and screw inventory.

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2021

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Advantages of Fastener Screw Forming Machines

Advantages of Fastener Screw Forming Machines

The advantages of the screw forming machine are: 1) It is equipped with a cutting device, allowing for continuous automatic production from materials to the final process, facilitating the transportation of stocks. 2) The production speed is fast, capable of producing hundreds of stocks per minute. 3) Due to continuous automated production, the influence of human factors is minimal, resulting in small processing accuracy deviations.

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2021

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Development Trends of Bolt Forming Machines

Development Trends of Bolt Forming Machines

The bolt forming machine is a high-performance forging device that cuts and processes coils, capable of producing hundreds of bolts per minute.

01

2021

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09

What are the precautions for using and maintaining the punching machine equipment?

What are the precautions for using and maintaining the punching machine equipment?

When forging products of different diameters with the heading machine, the machine needs to change the mold, or if the mold is damaged, the punch die needs to be replaced. When changing the mold, it is often necessary to make fine adjustments to the axial position of the large slider, so that the gap between the molds is not too large or too small, preventing the mold from pressing against the mold, which would prevent the machine from rotating.

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2021

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