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introduction： How does the laser rangefinder work？ Laser rangefinders generally use two ways to measure distance：Pulse method and phase method。The pulse method of ranging the process is like this：The laser emitted by the rangefinder is reflected by the measured object and then received by the rangefinder，The rangefinder also records the time of the laser round trip。Half the product of the speed of light and the round trip time，It is the distance between the rangefinder and the object being measured。The accuracy of the pulse method of measuring distance is generally in+/- 1About one meter。In addition，The measuring blind spot of this kind of rangefinder is generally15About one meter。 Application field of laser rangefinder
2015-04-21 Reading quantity 2915
introduction： The finishing of the finished surface using a fine-grained whetstone mounted on the vibrating head(See machining)。Superfinishing is usually arranged after the finishing process﹐Its processing allowance is only a few microns﹐Suitable for processing crankshaft﹑roll﹑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，Used to reduce the coefficient of friction during power transmission and to keep the shaft in
2015-04-21 Reading quantity 2811
introduction：The main contents of guide rail design are： 1.According to the working conditions of the guide rail、Bearing characteristic，Select the structure type of guide rail、Section shape and its combination form。 2.Mechanical calculation of guide rail was carried out，dimensioning。 3.Determine the clearance of the guide pair、Tolerances and machining accuracy。 4.Select guide material、Friction surface hardness matching and surface finishing and heat treatment methods。 5.Select the preload of the guide rail，The loading method and device of preload are designed。 6.Select the compensation method and adjusting device after the guideway surface wear。 7.Select the lubrication method of the guide rail，Design lubrication systems and protection devices
2015-04-21 Reading quantity 1720
introduction： Gear drive diagram The noise generated by the reducer is mainly due to the friction of the transmission gear、Vibration and collision，How to reduce and reduce noise effectively，Making it more in line with environmental protection requirements is also a key research topic at home and abroad。 Reducing the noise of gear transmission when the reducer is running has become an important research topic in the industry，Many scholars at home and abroad regard the change of tooth meshing stiffness in gear transmission as gear dynamic load、Vibration and noise are major factors。By modifying the shape，The dynamic load and velocity fluctuation are minimized，To achieve the purpose of reducing noise。This method has proved to be a more effective method in practice。
2015-04-21 Reading quantity 2795
introduction：The properties of metal materials are generally divided into two categories: process properties and use properties。The so-called process performance refers to the mechanical parts in the processing and manufacturing process，The metal material is cold in set、Performance under hot working conditions。The technological properties of metal materials are good or bad，Determines its ability to adapt to processing and forming in the manufacturing process。Due to different processing conditions，The required process properties are also different，Such as casting property、weldability、malleability、Heat treatment performance、Machinability, etc。The so-called service performance refers to the mechanical parts under the conditions of use，The performance of metal materials，It includes mechanical properties、Physical property、Chemical properties。metal
2015-04-21 Reading quantity 1562
introduction： The electromagnetic clutch and brake use DC power supply，Has a wide range of use、High precision torque control、Superior durability and other features，Generally takeDC24VVolts is the standard specification。Electromagnetic clutch、The basic control circuit of the brake is DC power supply，simpleon/offInitial brake loop system，Then use the button start control relay to make its contact open or closed to control the loop。It can also be used with the control mode of the high speed control loop and the control mode of the discharge loop，Due to the use of different characteristics，Electromagnetic clutch、The brake circuit is also controlled differently。above
2015-04-21 Reading quantity 2811
introduction：As an emerging manufacturing technology，Flexible manufacturing plays an important role in production。How can we better understand the significance of flexible manufacturing？Learn new ideas for flexible manufacturing？What are the flexible manufacturing methods？This article by Dr. Liu Chengyuan gives us the best answer。 Some world500strongRCompanies in the pursuit of flexible manufacturing process，A variety of production modes coexist，Great economic effect has been achieved，Under the same plant and equipment conditions，The production capacity of the copier is increased to the original design capacity3.5More than。Another high-tech multinationalXThe company analyzed a demonstration production line based on
2015-04-21 Reading quantity 2825
introduction：With the continuous development of network technology，More and more small and medium-sized enterprises、school、Government departments and other units have set up local area networks that suit their needs，You want to share resources over the network、Improve your productivity or promote yourself。It can be said that the server is the core of information storage and management in the entire LAN，So how to choose a server that fits the needs of your organization，It is necessary to ensure that the server can fully meet the work requirements of the enterprise and handle more business，Save money again，This has become a small and medium-sized enterprise users must consider the issue。 We are guided by“economical、Stable performance、Good scalability、
2015-04-21 Reading quantity 2892
introduction： Ink jet printers can easily achieve color output，Excellent output effect，The purchase price is also very low，This makes it the dominant product in the office market, especially in the home office market。How to use and maintain the inkjet printer is the concern of the majority of users，The following is to introduce some inkjet printer use and maintenance knowledge，I hope it will be helpful to friends who use inkjet printers。 one、Precautions for use 1.The ideal working environment for inkjet printers is clean and free of dust，Because the long-term accumulation of dust will cause the car guide shaft and other
2015-04-21 Reading quantity 2905
introduction：The properties of metal materials are generally divided into two categories: process properties and use properties。The so-called process performance refers to the mechanical parts in the processing and manufacturing process，The metal material is cold in set、Performance under hot working conditions。The technological properties of metal materials are good or bad，Determines its ability to adapt to processing and forming in the manufacturing process。Due to different processing conditions，The required process properties are also different，Such as casting property、weldability、malleability、Heat treatment performance、Machinability, etc。The so-called service performance refers to the mechanical parts under the conditions of use，The performance of metal materials，It includes mechanical properties、Physical property、Chemical properties。metal
2015-04-21 Reading quantity 1547
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