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Carbide-tipped Gear Hob Vacuum Brazing
Cemented carbide has small specific heat capacity and poor thermal conductivity. Especially when brazing large pieces of cemented carbide, the heating rate should be controlled, generally not exceeding 10°C/min, to ensure that the heat can be transferred in time and the thermal stress caused by u...
Vacuum Heat Treatment Process for Mining Gears
1 Selection of mining machinery gears Coal mine machinery bears a high dynamic load, and is often eroded by underground coal (powder) dust and harmful gases, and the working conditions are very harsh. With the increase of coal production, the power of coal mine machinery is increasing day by day,...
Effect of Additives on Vacuum Sintering of Ceramics
Vacuum sintering and densification of alumina ceramic materials requires a high temperature of 1600 ° C. It is precisely because of high temperature sintering that the process is difficult and the manufacturing cost is high, which has always been the main factor limiting its application. In order...
Fixture Selection in Vacuum Brazing Furnace
Vacuum brazing can obtain precise and bright joints, and the joints have excellent mechanical properties and corrosion resistance. Compared with other brazing methods, it has obvious advantages in the control of parts oxidation and parts deformation. Devices, water-cooled cold plates, and boxes a...
Core Hardness Control of Carburized Gears
In the process of automobile manufacturing, the requirements for each component must meet high standards. In the actual implementation process, the results obtained will be different due to the influence of materials, conditions, equipment, etc., and for the gears that are constantly running, In ...
Vacuum sintering of Al2O3 ceramic products
Among industrial special ceramics, Al2O3 products are widely used in chemical phosphate compound fertilizer, non-ferrous metal industry and other industries because of their excellent acid and alkali resistance, wear resistance, electrical resistance and high mechanical strength. In the productio...
Research on Vacuum Brazing Technology of Ceramic and Metal
Ceramics in the welding of ceramics and metals basically refer to new ceramics that are artificially synthesized from various metals, oxygen, nitrogen, carbon, etc. It has high strength, high temperature resistance, wear resistance, corrosion resistance, super hardness and other characteristics, ...
20CrMo gear vacuum heat treatment process
Gears are key components in mechanical equipment, and they are widely used in industrial fields such as automobiles, aircraft, tanks, and ships. It has the advantages of accurate transmission, compact structure and long service life. Due to the complex working conditions of the gear, it is requir...
Influence of Vacuum Carburizing and Quenching on New Gears
Due to the current production and service conditions, the main forms of gear tooth failure are the fatigue fracture of the gear tooth and the fatigue damage of the tooth surface, and the main factors affecting the two major fatigue life include: tooth surface and core hardness; effective The carb...
Vacuum Heat Treatment of Vacuum Carburized Alloy Steel Gear
With the development of hard-toothed gear transmission and the expansion of its application fields, the requirements for the performance of gear materials and the heat treatment technology adopted are getting higher and higher. In order to ensure the normal operation of the gear, the gear needs t...