Overview Special processing refers to those processing methods that are not in the traditional processing technology category. It is different from traditional processing methods that use tools, abrasives, etc. to directly remove excess material using …
The processing technology The non-traditional machining technology is a method of directly processing various energy such as electric energy, light energy, chemical energy, electrochemical energy, acoustic energy, thermal energy and mechanical energy. The non-traditional machining …
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Electrical discharge machining is a special processing method for etching conductive materials by electro-erosion caused by pulse discharge between two electrodes immersed in working fluid. Also known as electrical discharge machining or electrolytic etching, referred …
Ultrasonic machining is a special processing that uses ultrasonic frequency as a tool for small amplitude vibration and slamming the surface of the workpiece by the slamming action of the abrasive which is free from …
Laser cutting technology is widely used in the processing of metal and non-metal materials. It can greatly reduce the processing time, reduce the processing cost and improve the quality of the workpiece. Laser cutting is …
(1) Power density Power density is one of the most critical parameters in laser processing. With a higher power density, the surface layer can be heated to the boiling point in the microsecond time range, …
There are two main types of lasers used for welding, namely CO2 lasers and Nd:YAG lasers. Both the CO2 laser and the Nd:YAG laser are invisible to the naked eye. The light beam generated by …
I. Brief description The material to be processed is irradiated with a high power density laser beam, so that the material is quickly heated to a vaporization temperature and evaporated to form a hole. Laser …
Definition of laser quenching Laser quenching is the use of a laser to heat the surface of a material above the phase transition point. As the material cools itself, the austenite transforms into martensite, which …
Water cutting, also known as waterjet, that is, high pressure water jet cutting technology. It is a machine that cuts with high pressure water. The workpiece can be arbitrarily carved under the control of the …
I. Machining accuracy The accuracy of laser cutting is the overall accuracy determined by the performance of the machine, beam quality, and processing. Even if the cutting is performed according to the program, there are …
Ultra high pressure water cutting is also called water jet. It is a high-energy (380MPa) water stream produced by multi-stage supercharging of ordinary water, and then jet-cut at a speed of nearly kilometers per second …
Lasers used in laser cladding mainly include CO2 lasers and solid-state lasers. It mainly includes disc lasers, fiber lasers and diode lasers. Old-fashioned lamp-pumped lasers have gradually faded out of the market due to low …
Electrolytic processing is a special processing method that uses a principle that the metal is dissolved in an electrolyte to form a workpiece. During processing, the workpiece is connected to the positive pole of the …
Electron beam processing can be used for punching, cutting, etching, soldering, heat treatment, and lithography processing depending on the energy injection time of its power density. The application of ion beam processing is expanding and …
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(1) A wide range of applications. Almost suitable for processing all materials. In addition to steel, aluminum, copper and other metal materials, it can also process particularly hard, brittle, soft non-metallic materials. Such as: plastic, …
The plasma has a high temperature and can provide a high enthalpy working medium to produce materials that cannot be obtained by conventional methods. In addition, the atmosphere technology is controllable, the equipment is relatively …
Laser heat treatment is a method of surface treating the metal with a high power density laser beam. It can perform laser heat treatment on metals. Surface modification such as phase hardening (referred to as …
Powder metallurgy is the processing technology to make metal powder. Or using metal powder (or a mixture of a metal powder and a non-metal powder) as a raw material, and formed and sintered to produce …
Powder making method Making powder is the first step in powder metallurgy. Powder metallurgy materials and products continue to increase, and its quality continues to increase, requiring more and more types of powders. For example, …
Milling Chemical milling is to protect the parts of the workpiece surface that need not be processed with a corrosion-resistant coating, and then immerse the workpiece in a chemical solution of the appropriate composition. The …
Etching is a technique in which a material is removed using a chemical reaction or a physical impact. Etching techniques can be classified into two types: wet etching and dry etching. It can be used …
Abrasive flow Machining (AFM) technology is the latest machining method. An abrasive medium (a flowable mixture of abrasive particles) to perform deburring, flashing, and rounding under pressure to reduce the waviness and roughness of the …
Abrasive water jet polishing is performed by using a polishing liquid mixed with fine abrasive particles sprayed at a high speed from a nozzle orifice to the surface of the workpiece, and grinding and removing …
Electrolytic processing A method of forming a metal material by an electrochemical reaction in which an anode is dissolved. When the tool cathode is continuously propelled to the workpiece, the current density is the highest, …
Heat treatment refers to a metal thermal processing process in which the material is heated, held, and cooled in the solid state to obtain the desired structure and properties. In the process from the Stone …
The heat treatment process generally includes three processes of heating, heat preservation and cooling. Sometimes there are only two processes of heating and cooling. These processes are connected to each other and cannot be interrupted. …
