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introduction： Fuel injector is a key component of diesel internal combustion engine，It is one of the leading products in the oil pump nozzle industry。With the development of Chinese automobile industry，The demand for fuel injectors has new requirements both in quantity and quality，In response to this situation，We have designed and manufactured a combination machine tool for processing fuel injectors。 The machine tool has a complex mechanical structure，The power heads are made in France。High machining accuracy is required，Electrical mining system has strong function，The workpiece machining action is tight，High production efficiency。 In order to realize the machine drilling、reaming、reaming、Tapping and compound drilling functions，We chose
2015-04-17 Reading quantity 2797
introduction：In the modern industrial field，Sealing technology plays an important role，It is the key to ensure the performance of hydraulic and pneumatic systems。Seal failure，Not only greatly increase the subsequent maintenance cost，It can also lead to deadly disasters，Such as the US Challenger space shuttle launch explosion，It was caused by a seal failure。The hydraulic reciprocating sealing technology is based on lubrication of the sealing coupling surface、rub、wear、Heat transfer、Based on material properties and structural design principles，The hydraulic system is used under complex conditions，Dynamic sealing with higher requirements for sealing devices。This paper introduces the principle of hydraulic reciprocating seal、Sealing key technology and design method、seal
2015-04-17 Reading quantity 1547
introduction：duanpi jiare Forging blank heating heating of forging billet An important process before hot forging。Metal plasticity increases when heated to a certain temperature，Denaturation resistance reduction。figure[High temperature strength curve of steel]carboniferous0.45％Carbon steel and nickel containing、chromium、High temperature strength curve of tungsten alloy steel。According to the curve，The strength of metals decreases with increasing temperature。 The forging body is generally heated to the allowable initial forging temperature of the metal。To ensure uniform temperature inside and outside，Forging blank surface heating
2015-04-17 Reading quantity 2788
introduction： towardsNSKbearing[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。]In terms of，After installation，Please do not rush to start using，Necessary checks should be carried out，To ensure that the installation is correct and notNSKNormal use of bearings。So for the right checkNSKAre there any good methods for bearings？ First of all，
2015-04-17 Reading quantity 1481
introduction： Cross roller inlet 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。]，Can withstand loads from all directions at the same time(axially、Thrust or momentum load, etc)。Because the roller is in current contact with the track surface，therefore，There is little possibility of elastic deformation of bearing under load。This type of imported bearing[Imported bearing:Simply put, imported bearing agents refer to
2015-04-17 Reading quantity 1560
introduction：Beauty robot can recognize four languages 3month7day，At the reception of the World Expo in Aichi Prefecture, Japan，A humanoid robot appeared at the press conference。 Nanfang News It was developed by Kokoro Robotics in Japan，Can recognize in Japanese，Chinese，40,000 phrases spoken in Korean or English。The Aichi World Expo in Japan, which showcases technology and innovation, will be held3month25sundown9month25Be held on...。Xinhua News Agency/Facsin 3month7day，At the reception of the World Expo in Aichi Prefecture, Japan，A humanoid robot at a press conference for a tourist（On the left）Work as a tour guide。
2015-04-17 Reading quantity 2798
introduction：Embedded clutch Through teeth﹑A clutch with teeth or keys chimed together to transmit torque﹐Accordingly, it is called a dental clutch﹑Tooth clutch and key clutch。Dental clutch is most commonly used(See picture Jaw clutch )﹐Both of its joints have raised teeth on their end faces﹐Jojama﹑The teeth on the follower joint are inserted or detached from each other﹐Can make the Lord﹑The driven shaft is engaged or separated。This clutch works without relative sliding between teeth﹐Surety master﹑The driven shaft is strictly synchronized﹐No friction loss﹐High transmission efficiency﹔But the impact is larger when engaging﹐Duty to the Lord﹑The driven shaft is engaged when the speed difference is not large。The common tooth shape is triangular﹑
2015-04-17 Reading quantity 2809
introduction：Try to use close to the ideal deceleration ratio： Reduction ratio=Servomotor speed/Speed of output shaft of reducer Torsion calculation：For the life of the reducer，Torque calculation is very important，And pay attention to the maximum torque value of acceleration(TP),Whether it exceeds the maximum load torque of the reducer。 The applicable power is usually the applicable power of the servo machine on the market，The applicability of the reducer is very high，The working coefficient can be maintained at1.2above，But in the selection can also be determined by their own needs： There are two main points： 1、The output shaft diameter of the selected servo motor should not be greater than the maximum used shaft diameter on the table； 2、if
2015-04-17 Reading quantity 2907
introduction：baozhahan Explosive welding explosion welding The method of welding by using the impact force generated by explosive explosion to cause the workpiece to collide rapidly（figure1[Explosive welding diagram]）。20century 50End of era,When machining parts by explosive forming,It is found that there is a partial welding phenomenon between the part and the mold，Thus came the method of explosive welding。Explosive welding time,The explosive is usually applied directly to the surface of the cladding,Or plastic is placed between the explosive and the cladding plate、The rubber acts as a buffer。There are generally parallel gaps or angular gaps between the cladding plate and the substrate，
2015-04-17 Reading quantity 2805
introduction：INAbearing[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 gap between the jacket and the sealing cover is large、Oil spill、Change color、Bearing displacement、laceration、Rust and so on。Once the appearance fault feature is found during the check，We must judge carefully and carefully，Determine the exact location of the fault。The gap between the outer ring of the shaft end and the two sealing covers is too large，Find the front and rear ends of the bearing outer ring and seal
2015-04-17 Reading quantity 1553
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