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What is metalworking, forming, cutting and joining of metalworking

Metalworking, as the name implies, uses metal to make individual parts. Metalworking can use a wide range of techniques to make all types of products, from small jewelry to architectural constructs and large buildings. Most metalworking processes can be divided into three categories: forming, cutting, and joining. However, be aware of the most common metalworking methods, which involve pouring metal into a mold after cooling and curing. This guide will give you an overview of the most common metalworking in the modern manufacturing industry.

Forming metal. Forming metal

Molding is the formation of metal objects by deforming metal without adding or removing any material. The deformation process is performed using heat or mechanical loads. It also includes other manufacturing techniques, such as bending and forging.
Metal bending
Metal bending is the manufacturing process for ductile materials as the most common metal sheet commonly used in equipment such as specialized machine presses. Metal bending is considered extremely cost-effective for small to medium scale. In general, there are three types of bending machines: suspended bending (the most common), bottom bending, and shear processing.

Forging is the oldest metal-making process. It uses local compression to form the metal. Today, industrial forging uses special press instruments (hammers) that can weigh thousands of pounds. One of its significant advantages is that forged parts are stronger than cast and machined parts. In the forging process, the metal is formed, and its internal texture gradually deforms with the general shape of the part. The finished product is of the best quality after production.
Cutting metal

Cutting is the process of using tools to remove some parts of a material to form a shape. This process includes, for example, CNC milling, CNC router, and turning.

Milling is a combination of processes in which a piece of raw material is processed by a numerical control tool into an ideal shape and size. This process is often referred to as additive manufacturing, as opposed to additive manufacturing (3D printing), where items are made from nothing. Milling is often associated with the manufacture of metal parts, but it can be used to manufacture plastics, wood, composites, and other materials. The three main manufacturing processes are milling, router milling, and turning.

The operation of turning the tool and bringing the cutting edge closer to the workpiece is called a router. Router equipment is the basic tool for routers.

CNC router and milling are similar, some CNC milling and router equipment can accomplish almost the same task. The main function is to cut, engrave, and carve objects from the workpiece – it replaces the ordinary hand router, but with the help of numerical control can reduce human error.

The operation of turning the workpiece to bring the metal closer to the cutting tool. Turning lathes are the main mechanical tools.
Connecting metal

Joining metals involves combining several metal product parts in a method similar to welding. Some metal 3D printing programs such as DMLS and EBM can also be used as forms of welding.

Welding metal is a fabrication procedure based on the fusion of pressure and heat based on joining metal. Usually, filler material is added to the welded joint, so in some cases, it can be stronger than the raw material. At the same time, the welding process must ensure that the filling material/molten metal is not contaminated and/or oxidized. Welding operations can be classified according to the different energy sources used, such as gas flame, arc, laser, and ultrasonic. The most common welding methods include:

1. Gas welding (acetylene welding) uses gas fuel and oxygen to weld and cut metals.
2. Electrode arc welding (welding) uses electrodes with flux coating to protect the welding pool. The electrode holder controls the line during the slow melting process.
3, tungsten electrode inert gas welding (inert gas) using non-fused tungsten electrode protection welding. However, the welding area needs to be isolated from atmospheric pollution by injecting inert protective gases argon and helium.
4, gas-shielded metal arc welding (inert gas). Use a controlled speed wire gun to send the basic argon or argon and carbon dioxide mixture gas in the welding pool to avoid atmospheric pollution.

The above is the main process of metal processing, and now the status of metal processing technology is more and more important in the modern manufacturing industry, and I hope that the development of metal processing in China is more and more smooth.

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