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Quality Problems and Solutions in Quenching and Cooling of Gears (Part 1)
Quality Issues and Their Solutions of Gear Quenching and Cooling
Gear quenching and cooling is a metal heat treatment process that subjects metal parts to temperature higher than the material’s critical temperature to change the metal’s physical and chemical properties. It is commonly used for ......
1051 
Oliver
Solution to the problem of high-speed tapping
Solving the Problem of High-Speed Threading
High-speed threading is a difficult problem for many industries. Threading is a process in which two components are joined together in order to form a secure and permanent bond. High-speed threading is particularly challenging because of the very rapid ......
Recipe for Alkaline Tin Plating Bath
2500 words
Introduction
Tin plating is an important process in the manufacturing of many products, including electronics and automotive components. It is often used as a protective coating to increase the lifetime of the product, as well as to improve its appearance. The process of tin plating in......
Construction project supervision specification (GB50319-2000)
Chinese Construction Project Supervision Standard (GB50319-2000)
China has experienced a dramatic shift in its labor force and economy in the last few decades. This shift has necessitated the adoption of stricter and more comprehensive regulations, standards, and guidelines for China’s construc......
European Welding Wire Steel No.
Welding of European steel wires
Steel wires are widely used in the global construction and engineering industry, as well as for other activities, such as corrosion protection, the manufacture of artworks, and so on. The advent of science and technology has opened up the field of welding steel wir......
Process Mineralogy
Geology and Mineralogy
Geology and mineralogy are interrelated scientific disciplines which study the earth materials, processes and patterns that shape our planet. Geology studies the physical evolution of the earth—its structure and composition, as well as how it may have changed over time. It ......
Batch Model and Quality Prediction for Sinter Production
《Application of Ingredients Modeling and Quality Prediction in Sintering Production》
Introduction
Sintering is an important process in the steel making industry, which is usually used to reduce the amount of impurities in the molten steel and increase the uniformity of the alloy in the steel. ......
Occupational Health and Occupational Disease Investigation
Labour and Occupational Health Survey
Labour and occupational health is an area of the workplace that is sometimes overlooked, but is fundamental to a successful workplace and a healthy and safe environment for employees. While employers may be diligent in protecting their employees from workplac......
Improvement of Pretightening Force of Thrust Spherical Roller Bearing
Improvement of Preload for Thrust-Tapered Roller Bearing
Preloading of rolling bearings has been used for a long time to improve bearing performance. It reduces play, increases stiffness and helps to maintain the static equilibrium. It is used in thrust bearings when the axial load carrying capaci......
Self-boring Machining of Clamping Surface of Lathe Chuck
Processing of Lathe Chuck Clamping Plate by Electrical Discharge Machining
Electrical discharge machining, which is abbreviated as EDM, is a machining process to remove metal by melting or burning with electric sparks generated between the workpiece and a tool electrode. This process is suitable ......
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