CNC precision parts - v1machining

Magnesium alloy production and its automotive parts application technology

With the rapid development of China’s economy, China is paying more and more attention to the existing professional magnesium alloy production and its auto parts application management. Magnesium alloy has unique advantages in parts’ accessories manufacturing and other aspects, not only can reduce the weight of auto parts, but also can enhance the safety performance of auto operation. Lightweighting and energy saving Magnesium alloy material is mainly used in the production of automotive parts, can reduce the mass of the car as well as the weight of the car to …

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Precision parts eccentric shaft long shaft parts

Strong and light! Processing magnesium alloys at room temperature using inexpensive elements

Traditionally, magnesium alloys are mainly prepared for molding using die-casting. Die casting is a method in which a high temperature molten alloy solution is pressed into a mold and then molded after the solution has cooled and solidified. The disadvantage of this casting method is that the prepared alloy does not have a high enough strength. The lightweighting of automobiles and rail transportation can significantly improve fuel efficiency and greatly reduce CO2 emissions. Magnesium is attracting attention as a new generation of light metal structural material. Magnesium, the next generation …

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What to do when brass machining parts are oxidized

Brass is an alloy of copper and zinc. The simplest brass is a copper-zinc binary alloy, called simple brass or plain brass. By changing the zinc content in brass, different mechanical properties of brass can be obtained. The higher the zinc content in brass, the higher its strength and the slightly lower its plasticity. The zinc content of brass used in industry does not exceed 45%. A higher zinc content will produce brittleness and deteriorate the performance of the alloy. As we all know, copper is an active metal, very …

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Processing characteristics of hardware stamping parts

The die used for hardware stamping parts is called a stamping die, or punching die for short. The die is a special tool to process the material (metal or non-metal) into the required punching parts in batch. The die is crucial in stamping, and without a die that meets the requirements, it is difficult to produce a batch of stamping. Without improving the technology of punching die, it is impossible to improve the stamping process. Stamping process, die, stamping equipment and stamping material constitute the three elements of stamping process, …

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Comparison of turning and milling

Turning and milling are two typical types of cutting operations. Cutting is a method of using tools to cut and machine various materials such as metals, plastics and wood into a desired shape. It is a processing method to remove chips from the base material and belongs to “removal processing”. During cutting, the tool scrapes the material by moving the tool relative to the material. When moving the tool and material relative to each other, rotating the tool or material enables high-speed and efficient machining. Turning uses a device called …

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The difference between turning and milling

Most of the workpieces with rotary surfaces can be machined by turning, such as internal and external cylindrical surfaces, internal and external conical surfaces, end faces, grooves, threads and rotary forming surfaces. The tools used are mainly turning tools. The “milling process” is to fix the blank and use the high-speed rotating milling tool to cut the required shape and features on the blank. 　”Turning” is the use of the rotary motion of the workpiece and the linear or curvilinear motion of the tool on the lathe to change the …

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Disc-shaped precision gear parts machining process

Characteristics of the part and processing difficulties. The number of gear teeth is 400, the modulus is 0.5mm, and the gear accuracy grade is 6. This part length-diameter ratio of up to 1:67, belong to the thin-walled parts, it has the following characteristics. (1) the part wall thickness is not enough, poor rigidity, under the action of clamping force or cutting force, the part thickness is not enough to resist the action of clamping force, very easy to produce deformation, can not reach the dimensional accuracy, form accuracy, gear accuracy …

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How many long and thin shaft workpieces are machined in the machinery manufacturing industry

In the machinery manufacturing industry, there are many special parts that need to be produced and processed, among which slender shaft parts are widely used in the petroleum machinery industry, automobile parts industry, and high-speed dynamic vehicle industry. Because of this kind of workpiece easy to bend, heat deformation, as well as the clamping process, the choice of tools and other factors can lead to deviations in the accuracy of processing. The following process problems exist in the machining of slender shafts. (1) Low stiffness, easy to bend. The stiffness …

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A brief introduction to slender shafts

A shaft with a ratio of length to diameter greater than 25 is called a slender shaft. For example, screws and light bars on lathes. Due to the poor rigidity of slender shafts, cutting force, cutting heat and vibration during turning, it is easy to deform. And machining errors such as straightness and cylindricity occur, which is not easy to achieve shape position accuracy and engineering drawings on the surface. Technical requirements such as quality make cutting difficult. The larger the L / d value, the more difficult the turning …

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