,,small Hardware Processing

,,small hardware processing

Stamping forming principle

A commonly used process in metal processing is stamping. The steel plate is pressed into the mold with the help of a punch to form it. The machine exerts great pressure, causing the metal plate to plastically deform in the mold. The entire process only takes a few seconds to obtain a part with a precise shape.

This processing method is highly efficient and relatively low-cost. A single steel plate can continuously punch out multiple identical parts, and waste materials can also be effectively used. Hundreds of objects used as automotive components and home appliance casings in factories are all manufactured in this way.

The key role of mold

The shape and size of the final part are determined by the mold. The stamping mold is like a seal. Materials can be placed into it and the finished product can be made after pressing. The mold is usually made of high-strength steel and its service life can reach hundreds of thousands of stamping times.

Well-designed molds can accurately control the accuracy of parts within the wire-level error range. Parts vary in complexity and require different mold structures. Simple parts use single-process molds, while complex parts use multi-station continuous molds. This is the corresponding adaptation method.

Products widely used

Stamping parts can be seen everywhere in daily life. The reinforcing ribs of car doors and bumper brackets are typical products of stamping. The shell of the rice cooker and the panel of the washing machine are also processed and manufactured using the stamping process.

Stamping parts are also indispensable in the industrial field. Small hardware parts such as screws and washers, electrical connectors, and motor silicon steel sheets are almost all mass-produced through the stamping process. Although these parts are small in size, they are related to the overall performance of the equipment.

Quality inspection process

Product quality must be strictly controlled, and dimensional inspection is the first step. Tools such as calipers, micrometers, and three-dimensional coordinate measuring machines must be used to ensure that the geometric dimensions of each part can strictly comply with the requirements specified in the drawings.

Surface quality inspection cannot be ignored either, with the help of visual inspection and roughness meter measurement to ensure that the appearance of the parts meets the requirements. At the material performance level, hardness testing and tensile testing will be carried out to verify whether the mechanical properties of the material meet the standards.

Industry development status

The small hardware processing industry is a very important part of the modern manufacturing industry. With the continuous development of intelligent manufacturing, automated stamping production lines have become more and more popular, and production efficiency has continued to improve. A number of domestic professional processing plants have the ability to produce high-precision, high-volume products.

In the market, the precision requirements for stamping parts are getting higher and higher. In the fields of new energy vehicles and consumer electronics, they have strong demand for thin plate stamping parts. This industry is developing in a more precise and efficient direction, and its technical level has also maintained a state of continuous improvement.

Technology development trends

In the future that has already arrived and continues to advance, the stamping process will continue to develop in the direction of intelligence. CNC punch machines and automatic feeding systems will cooperate with each other to achieve continuous unmanned production. CAE software has also begun to be widely used in mold design to optimize the overall stamping process, thereby reducing the cost of trial and error, with complete punctuation.

The applicable scope of the stamping process has been expanded due to the application of new materials. The materials formed by stamping include high-strength steel, aluminum alloy, stainless steel, etc. These new materials can meet the requirements of different working conditions, such as lightweight, corrosion resistance, etc.

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