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introduction：A cylindrical metal part that guides the piston to move in a straight line in a cylinder。Air in the engine cylinder expands to convert thermal energy into mechanical energy；The gas in the compressor cylinder is compressed by the piston and the pressure is increased。
2018-10-26 Reading quantity 264
introduction：High frequency cutoff frequency refers to the high frequency signal that can be measured within the specified amplitude error of the frequency response of the small proximity sensor。The high frequency cutoff frequency is directly related to the size of the error value，If the specified error range is large, the corresponding high frequency cutoff frequency is relatively high。The high frequency characteristics of piezoelectric sensors depend on the first-order resonant frequency of the sensors mechanical structure，The first-order resonant frequency of a sensor in actual use is often its installation resonant frequency。The installation resonance frequency is determined by the natural frequency of the sensor core, the overall mass of the sensor and the installation coupling stiffness。The installed resonant frequency will directly affect the high frequency measurement range of the small proximity sensor，Therefore, under the premise of having a stable sensitive core resonant frequency，Increasing coupling stiffness
2018-10-25 Reading quantity 185
introduction：Stainless steel bearing is a special material of bearing,Some customers machines operate in a strong acidic and alkaline environment，For example, machines for chemical purposes，Stainless steel bearings of special materials are required to be installed and so on。 Stainless steel deep groove ball bearings can resist corrosion caused by moisture and several other media。This kind of single row deep groove ball bearing with carbon chromium（Rolling bearing）Steel is manufactured like standard deep groove ball bearings，Has a deep bearing raceway groove，The fit between the bearing raceway and the ball is extremely high。 This type of bearing has no filling groove，Except for radial loads，It can also withstand the axial load of bidirectional action，This is true even at high RPM。 The operating characteristics of stainless steel deep groove ball bearings are the same as those of conventional steel deep groove ball bearings，But the load carrying capacity is low。These stainless steel bearings are available in open and sealed
2018-10-25 Reading quantity 286
introduction：Many transformer installation engineers are not qualified，Especially in the engineering inspection, there are a lot of security risks，Unstable installation，There were a lot of accidents when I used it，Some because the transformer installation is relatively loose，Nine times out of ten, people get hurt by falling Leo，In addition, some transformer internal device is too loose，Frequent power outages，The phenomenon of catching fire，There are also frequent short circuits in the power supply，Causing the voltage in the circuit to fluctuate，These are the problems that occur during the installation of the transformer。
2018-10-25 Reading quantity 339
introduction：Perhaps we all know that the cylinder head is generally cast by high-quality gray cast iron or alloy cast iron，Gasoline engines used in cars mostly use aluminum alloy cylinder heads。Aluminum alloy has good thermal conductivity，It is beneficial to improve the compression ratio of the engine。secondly，Excellent casting performance，Suitable for casting parts with complex structure。Do you know how the cylinder head works?
2018-10-23 Reading quantity 443
introduction：The sealing factors of micro-bearing on the environment are：Can prevent dust、Moisture and other contaminants enter and lubricants leak，Keep the bearing in good lubrication condition and suitable working environment，For giving full play to the working performance of bearings，Extending the service life of bearings plays an important role。 Micro bearing seals are generally divided into two types: built-in seal and external seal。Among them, the built-in seal refers to the parts with sealing function that the bearing itself comes with，Dust cover、Seal ring。Self-contained seal takes up little space，Easy to install and disassemble，Lower price。The external seal is a sealing device with various performance installed inside the end cover。
2018-10-24 Reading quantity 292
introduction：Angular displacement sensors are suitable for automobiles，Construction machinery，Cosmic device、Guided missile、Servo system for aircraft radar antenna and injection molding machine，Woodworking machinery，Printing press，Electronic rule，Robot，Engineering monitoring，Computer-controlled exercise equipment, for example, requires accurate measurement of displacement。 From the structural form, Angle sensors can be divided into two categories: wire-wound Angle sensors and non-wire-wound Angle sensors。
2018-10-23 Reading quantity 195
introduction：Tapered roller bearings suppliers tell you what special properties tapered roller bearings have： Tapered roller bearings，Single-row tapered roller bearing clearance needs to be adjusted by the user during installation；Double row and four row tapered roller bearing clearance has been set at the factory according to user requirements，No user adjustment required。Tapered roller bearings have conical inner ring and outer ring raceways，Conical rollers are arranged between the two，Its usually a dissociative type，That is, a cone inner ring assembly consisting of an inner ring with a roller and a cage assembly can be mounted separately from the cone outer ring。
2018-10-23 Reading quantity 196
introduction：With our machines running，How to ensure the life of our needle roller bearings，Follow Xiaobian together to learn！ With the continuous acceleration of the pace of Chinas industrialization process and the continuous development of intelligent manufacturing industry，The demand for needle roller bearings is increasing。Then the use of needle roller bearings is becoming more and more important。Needle roller bearings are precision bearings，Needle roller bearing design accuracy inP5Lv. Or above，Its installation and use have their own characteristics，Understanding its life cycle characteristics can ensure the normal operation of the machine only when the needle roller bearing is used。Installation is one of the key stages in the life cycle of needle roller bearings。If the correct methods and tools are not used to properly install the needle roller bearings，The service life of needle roller bearings will be shortened。
2018-10-22 Reading quantity 223
introduction：It is well known that，General servo motor has three control methods:（1）Speed control mode；（2）Torque control mode；（3）Position control mode。The following Siemens servo motor to give you a detailed talk about these three control methods！
2018-10-22 Reading quantity 166
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