This gear is a standard spur gear with modulus m = 3.5 mm, number of teeth z = 63, tooth angle a = 20 & ordm. Since it is a gear of an aircraft steam turbine, its processing accuracy is required t...
Natural diamond high-gloss tool milling for copper parts, aluminum plates, etc. Ultra-fine turning technology for acquiring optical mirrors is a new process technology developed in the 1960s. It’...
Common welding methods for titanium and titanium alloys are as follows: Argon arc welding, submerged arc welding, vacuum electron beam welding, etc. Tungsten argon arc welding is used for thicknesses ...
1, break the principle of chips Whether the chipping is fragile or not, during metal cutting, is directly related to the deformation of the chipping, so in the study of the principles of chipping and ...
Explanation of parts analysis 1. Part shape and general requirements As shown in Figure 1-1, the material must be stainless steel, the material thickness must be 0.5 mm, and the dimensional accuracy o...
1. SUS304 (stainless steel) The most used stainless steels are more resistant to corrosion and heat than Cr steels because they contain Ni, and have low temperature strength, so they have very good me...
Cold stamping is the process of applying pressure on a material with a die attached to the press to cause separation or plastic deformation. This provides a method of pressurizing the required parts (...
Classification of stainless steel Magnetic and non-magnetic stainless steel Stainless steel can be roughly divided into three categories: 200 series, 300 series, and 400 series. The 300 series is the ...
In electric vehicles, the weight of the power battery pack accounts for about 30% of the gross vehicle weight. The endless pursuit of energy density in automobiles and power battery systems all requir...
Tapping stainless steel is much more difficult than tapping regular steel. Often, due to the large torque, the screw tap is “bitten” into the screw hole, collapses or breaks, and the threa...
Guidelines: When bending, the designed structure must follow the law of bending deformation. Minimum radius of curvature, amount of springback, minimum bending length, bending holes or grooves, hole m...
The Cnc Machining center is a high-precision Cnc Machine tool. The CNC system is the core control center of the entire machining center, which is equivalent to the human brain and its importance is se...
1.What is the commonly used shrinkage rate of plastic materials? Answer: ABS shrinkage rate: 0.5%;Application: it is the most accurate material to maintain the product size. Generally, it is used in p...
For fasteners surface treatment, people generally pay attention to beauty and corrosion, but the main function of fasteners is to tighten parts, and surface treatment has a great impact on fasteners f...
Aluminum is the most widely used and widely used metal material among non-ferrous metals, and its application range is still expanding. There are many kinds of aluminum products produced by aluminum m...