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Steel for Cold Swing Rolling Die and Its Vacuum Heat Treatment
The cold swing milling process is widely used in the metal plastic precision forming of small and medium-sized rotary parts. Such as automobile gear cams, etc., the mechanical characteristic of the cold swing milling process is that the machining hair is damaged locally and continuously. Periodic...
Vacuum Brazing of Ceramics and Metals
The general process of ceramic and metal brazing can be divided into seven processes: surface cleaning, paste coating, ceramic surface metallization, nickel plating, brazing and post-weld inspection. Surface cleaning is to remove oil, sweat and oxide film on the surface of the base material. Meta...
Vacuum Heat Treatment of Hot Extrusion Dies
In order to prevent the surface oxidation, decarburization and carbon increase of the mold during heat treatment, salt bath or box furnace protection heating was mainly used in the past, and controllable atmosphere heating has also been used in recent years. When heated at high temperature, it is...
Vacuum Heat Treatment of Miniature Bearing Rings
Miniature bearings (referring to the bearing inner diameter <9 mm) should meet the requirements of high precision, high sensitivity, long life and reliable use, and should have high hardness, wear resistance and dimensional stability after heat treatment. Due to its small contact stress (<1...
Vacuum Heat Treatment Furnace Buying Guide
Vacuum heat treatment furnace is an advanced heat treatment equipment that can perform various heat treatments such as vacuum heating, quenching, tempering, annealing, carburizing, nitriding, pressurized gas quenching of metal materials and workpieces, as well as powder metallurgy sintering, Aero...
Silicon carbide material mechanical seal
The mechanical seal is an axial end face sealing device that relies on the elastic element to pre-tighten the sealing pair, and presses the sealing pair under the combined action of the medium and the elastic element to achieve sealing. Its structure is shown in the figure. There are two kinds of...
Vacuum heat treatment of 0Cr17Ni4Cu4Nb stainless steel base
0Crl7Ni4Cu4Nb steel is a typical precipitation hardening martensitic stainless steel with high strength, corrosion resistance, oxidation resistance, excellent formability and weldability, etc. It is widely used in aerospace, petroleum, chemical, nuclear industry, energy, etc. In the industrial fi...
Vacuum low pressure carburizing heat treatment for heavy duty gears
Heavy-duty gears are generally subjected to large torques during use. In order to ensure efficient and stable transmission of power when the parts are in service for a long time, they have high requirements for their fatigue performance. Such parts generally use carburizing and quenching methods ...
Main points of stainless steel EGR brazing process
1. Brazing joint connection method: Brazed joints are available in two ways: butt joint and lap joint. Butt joints are used, because the strength of the brazing filler metal and the brazing seam is generally lower than that of the base metal, so the butt joint cannot guarantee that the joint has...
Magnetic Materials Vacuum Heat Treatment Process
The raw materials of soft magnetic alloys are mainly rods, strips and plates, etc. The parts are cut, punched, punched or rolled by cold working. During the processing, the original grain structure of the material will be destroyed, which will reduce the magnetic permeability of the material. At ...