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introduction：The raceway sound generation source is caused by the natural vibration of the ring after receiving the load。The elastic contact between the ring and the rolling body constitutes a nonlinear vibration system。When the lubrication or machining accuracy is not high, the inherent vibration related to this elastic feature will be excited，When transferred to the air, it becomes noise。As everyone knows，Even the most advanced modern manufacturing technology is used to process needle bearings[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is a part that holds and reduces the friction coefficient of load during mechanical transmission。Can also be said，When other parts move relative to each other on the shaft，To reduce the power transmission process
2015-02-12 Reading quantity 1522
introduction：pick to：Lets start with some basic principles of surface infiltration，analyzedＺｎ－５％Ａｌ－ＲＥWettability of alloy bath。A pre-alloyed master alloy containing rare earth is adopted、Clean pre-treatment、The plating aid is to improve wettability、Necessary conditions for eliminating spot defects；Composition of alloy bath、temperature、The surface oxidation status also has a great influence on the wettability。Therefore, the process parameters must be strictly controlled，Careful handling，Scientific management，To get a good surface quality。 keyword：Alloy coating；wettability；facula Leaky plating and uneven surface are hot plating of steel wireＺｎ－５％Ａｌ－ＲＥus
2015-02-12 Reading quantity 2778
introduction：(1)The resultant force is applied as far as possible through the bearing[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is a part that holds and reduces the friction coefficient of load during mechanical transmission。Can also be said，When other parts move relative to each other on the shaft，A device used to reduce the coefficient of friction during power transmission and to keep the center of the shaft fixed。]Axis of，This requires the point of application to be uniform, symmetrical and stable，Force is applied through a sphere or parallel to an axis。 (2)The size of the force should be smooth and even，Not to be impacted，This requires the use of oil pressure or tools that can apply smooth tension or pressure，
2015-02-12 Reading quantity 1690
introduction： Working principle The same machineVThe function of the mixer is similar。All the technical indicators can reach the standard of similar foreign products。The cylinders are made of stainless steel，Beautiful appearance，Easy to operate。 Scope of application This machine is good for fine powder grains、Clots mixed with more than two kinds of powder or materials containing a certain amount of water can be evenly mixed，It can also achieve a good mixing effect on the addition of a small amount of ingredients。 Technical parameter Model number Mixing timemin/batch
2015-02-12 Reading quantity 2787
introduction：Using a sounder on the running bearing[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is a part that holds and reduces the friction coefficient of load during mechanical transmission。Can also be said，When other parts move relative to each other on the shaft，A device used to reduce the coefficient of friction during power transmission and to keep the center of the shaft fixed。]The size and quality of the rolling sound are checked，Bearing even if there is a slight peel and other damage，Abnormal and irregular sounds can also be produced，You can tell with a sounder。 Listen attentively to Hearing is a common way to identify irregular movements。
2015-02-12 Reading quantity 1555
introduction： The raceway sound is due toFAGImported bearing[Imported bearing:Simply put, the import bearing agent refers to the sale of an imported bearing brand。The main brands of imported bearings arenskbearing，ikobearing，fagbearing，Of good quality，Of course, the price is not cheap。]When rotating, the rolling element rolls in the raceway and generates a smooth and continuous noise，It attracts attention only when its sound pressure level or tone is extremely high。In fact, the sound energy stimulated by raceway sound is limited，As in normal circumstances，Of high quality6203bearing
2015-02-12 Reading quantity 1437
introduction：Molecular sieve adsorption pump molecular sieve adsorption pump Separation factor separation factor Check valve check valve Water steam jet vacuum pump steam ejection vacuum pump Water turbine pump turbine-pump Water hammer pump hydraulic ram pump Semiconductor cooler thermal electrical refrigerat
2015-02-12 Reading quantity 2866
introduction：1In determining the number of holes and the layout, the specifications of all forming machines must be considered﹐Then decide﹐General situation﹐Occasions where the number of forms produced is small﹐The forming product is large and the precision is very high﹐Use a type of hole or and2~4The mold of a type hole﹒conversely﹐Where production is high﹐And where lower costs are needed﹐The use of a plurality of holes and a group of holes of the mold﹒ 2Determine the parting line and flow path﹐The gate thus determines the basic structure of the mold﹐Molding waste edge extrusion position﹐Thus, the appearance of the formed product and the manufacturing time are also determined﹒ 3When dealing with low dip parts and deciding on a low dip part in the ejection process﹐Preemptive use
2015-02-12 Reading quantity 2892
introduction：The production process of a product refers to the whole process of transforming raw materials into finished products。The production process of mechanical products generally includes： 1.Production and technical preparation such as process design and special process equipment design and manufacture、Preparation of production plan、Preparation of means of production, etc；2.Blank manufacturing, such as casting、forge、stamping；3.Machining and cutting of parts、Heat treatment、Surface treatment；4.Assembly of products such as final assembly、subassembly、Commissioning inspection and painting, etc；5.Production of services such as raw materials、Supply of purchased parts and tools、transport、custody； Changing the shape of the production object during the production process
2015-02-12 Reading quantity 2796
introduction： Basic knowledge of ultrasonic metal welding、Basic knowledge of ultrasonic metal welding 1、Ultrasonic metal welding is the use of high-frequency vibration waves to transfer to two metal surfaces to be welded，Under pressure，A fusion between molecular layers that causes two metal surfaces to rub against each other，The advantage is speed、Energy conservation、High fusion strength、Good electrical conductivity、No spark、Close to cold processing；The disadvantage is that the welded metal can not be too thick（Generally less than or equal to5mm）、The solder joint position should not be too large、Need pressure。 2、Welding advantage：1）、Welding material does not melt，Non-fragile metal special
2015-02-12 Reading quantity 2864
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