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Some time ago, there was an article on wechat that "Japan will silence the whole world in six seconds with such a gentle press" and burst the circle of friends. In the article, a short video was sent to put the two iron blocks together. With a gentle press of your finger, they were tightly combined The video made people marvel at the seamless cooperation of the two parts. The article introduced that such technology came from a Japanese township enterprise with only 18 employees, boasting that this Japanese mold factory is an exclusive precision technology, and it is unclear…

The reducer, the core component of industrial robot, is the core of mechanical transmission. The speed and accuracy of robot are related to the reducer. The reducer used by industrial robot mainly includes harmonic reducer and RV Reducer. 1、 Harmonic reducer 1. The motor shaft is connected to the wave generator, and the manipulator is connected to the hard base of the flexible gear ring 2. The flexible gear ring has n gear positions less than the rigid gear ring 3. The wave generator rotates once, and the flexible gear ring moves n gear positions 4. High deceleration ratio can…

With the development of science and technology, machining technology is no longer limited to turning, milling, grinding and drilling, and more processing technologies have emerged, which meet the functions of product production and manufacturing and make up for the shortcomings of traditional processing; Now let's learn about these new machining processes! 1、 Metal injection molding (MIM) 1. Introduction: metal injection molding (MIM) is a near net shape forming process suitable for producing small, three-dimensional complex shapes and products with special performance requirements. This technology is a new near net shape forming technology of powder metallurgy, which introduces modern plastic injection…

Thread is the most common method of connecting mechanical parts, and thread hole processing is often at the end of the whole production process. Once the processing is unqualified, it will lead to the scrapping of components or more troublesome reprocessing. Therefore, it puts forward higher requirements for the safety of the process. There are all kinds of cutting tools for machining threaded holes. The common ones are thread turning tool, tap, extrusion tap, thread milling cutter and so on. How to select the correct machining tool? The choice of cutting tools is actually the choice of machining methods. The…

The deformation of thin-walled parts in turning is multifaceted. The clamping force when clamping the workpiece, the cutting force when cutting the workpiece, and the elastic deformation and plastic deformation when the workpiece hinders the cutting tool, resulting in thermal deformation due to the increase of the temperature in the cutting area. The cutting force is closely related to the cutting parameters. From the "metal cutting principle", we can know that the back cutting amount AP, feed rate f and cutting speed V are the three elements of cutting parameters. During the test, it is found that: 1) When the…

The driving gear has sharp teeth, which can bite into the wire, and then rely on the rotation direction of the gear to push the wire forward and backward. If the wire cannot be moved, but the gear continues to rotate, the gear may scrape some plastic off the wire, so that the gear has no place to grasp the wire. Many people call this situation "planing". Because too much plastic has been shaved off, the extrusion function is abnormal. If this happens to your printer, you will usually see many pieces of plastic scattered on the ground. You will…

Color is an indispensable element in our life. Make the world colorful and colorful. With the progress of science and technology and the improvement of living standards, the importance of color in people's life has become more obvious. I once went to a supermarket and faced with napkins of various brands. Finally, I decided to buy the one with the most beautiful color and the best packaging. This is the influence of color on the commercial society. In today's marketing, color has increasingly become an important link in consumers' purchase of goods. It has become a consensus that good colors…

Preface With the continuous progress of fiber laser technology and the continuous decline of laser processing cost, there is an obvious trend in the sheet metal processing market, that is, gradually transfer the products below the medium batch originally used for stamping by NC punch to NC laser cutting machine. However, people in the industry also clearly realize that NC punch still has its irreplaceable advantages, which are mainly reflected in the following points: sheet metal processing combined with NC stamping; Large quantities of non cutting and punching sheet metal processing; Sheet metal processing with dense mesh. At present, these…

Taking metal or alloy parts as anodes, oxide films are formed on their surfaces by electrolysis. Metal oxide film changes the surface state and properties, such as surface coloring, improving corrosion resistance, enhancing wear resistance and hardness, protecting metal surface and so on. The thin layer of oxide film has a large number of micropores, which can absorb various lubricants and is suitable for manufacturing engine cylinders or other wear-resistant parts; The membrane has strong microporous adsorption capacity and can be colored into various beautiful and gorgeous colors. Non ferrous metals or their alloys (such as magnesium, aluminum and their…

During printing, through the extrusion of the scraper, the ink is transferred to the substrate through the mesh of the picture and text part to form the same picture and text as the original. Screen printing equipment is simple, easy to operate, simple printing and plate making, low cost and strong adaptability. Screen printing has a wide range of applications. Common printing materials include: color oil paintings, posters, business cards, binding covers, commodity signs, printing and dyeing textiles, etc. In the machining industry, everyone must be familiar with silk screen printing. But what are the advantages and characteristics of silk…