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The Difference Between High Speed Steel And Tungsten Steel
High-speed steel (HSS) is a tool steel with high hardness, high wear resistance and high heat resistance, also known as wind steel or front steel, which means that it can be hardened even if it is cooled in the air during quenching, and it is very sharp. It is also called white steel.
2021-08-14
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The Features And Operation Of Flat Welding And Vertical Welding
Flat welding refers to the welding process in which the welding place is at a horizontal position or at a small angle of inclination, the welding rod is located on the workpiece, and the welder looks down on the workpiece. This welding position belongs to the most easily welded position among all welding positions.
2021-10-16
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Analysis of Difficulties in Machining Gray Cast Iron
The results show that the content of S and P of 26# pig iron was above the high side, the content of Si of 22# pig iron is low, so the chemical compositions do not satisfied criteria. The carbon equivalent of the castings is 4.36%, which is belonging to high carbon equivalent castings.
2021-08-21
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The Significance Of Cnc Machining Spacecraft Shell
Significance of machining process design for typical shell parts of spacecraft. By establishing a machine-added process knowledge network model, mining process decision rules, and intelligently planning process routes, the reuse rate of process knowledge for typical shell parts of spacecraft can be increased to improve process design efficiency and quality.
2021-08-14
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The Basic Knowledge Of Plaster Mold And Ceramic Modeling
Gypsum is generally white powdery crystals, as well as gray and reddish yellow crystals. It belongs to the monolithic crystal system. In terms of composition, it is divided into dihydrate gypsum and anhydrous gypsum. The ceramic industry mold production application is generally dihydrate gypsum.
2021-08-28
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Performance of Metal Parts Printed by FDM 3D Printing
This article explores the performance characteristics of metal parts produced using FDM technology, addressing aspects such as mechanical properties, surface finish, dimensional accuracy, and potential applications.
2024-07-22
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What Is Reflow Soldering?
Reflow soldering is to remelt the solder paste pre-distributed on the printed board pads to realize the mechanical and electrical connection between the solder ends or pins of the surface mount components and the printed board pads
2021-10-16
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The Prototype System Development Of Aerospace Shell
Based on the previous theoretical research, and for the process design requirements of typical shell parts of spacecraft, in order to achieve the extraction of the manufacturing features of the parts, the feature extraction tool is designed based on the Siemens NX10.0 secondary development API.
2021-08-21
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The Cnc Machining of Fan Injection Model Cavity And Core
It is the most tough and difficult task of the machining of the cavity and core during plastic mold manufacturing, which includes the CNC and EDM process. The CNC toolpath programming is the key task of the whole manufacturing process which determines the quality of CNC and the difficulty of EDM.
2021-08-27
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What Is GR2 Titanium
GR2 titanium is a silver-white metal with a density of 4.5g/cm3 (20℃) and a melting point of 1668℃. Titanium and titanium alloy materials have the characteristics of good corrosion resistance, low density and high specific strength.
2020-06-13
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Technology And Difficulties Of Casting Shell Body Analysis
From the comparison of the quality of precision castings, the water glass shell is inferior, followed by the composite shell, silica sol-low temperature wax shell, and silica sol-medium temperature wax shell is the best.
2021-10-16
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Manufacturing Process Route Planning Based On Specific Immunity
At present, the process route planning of spacecraft shell parts still mainly relies on the experience of engineers, which cannot adapt to the "multi-type, small-batch" production mode, and there are problems such as low efficiency and uneven quality. Therefore, the research on the intelligent planning of the process route is very necessary.
2021-08-14
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