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introduction：61：How does radiation unfold？ a：The surface of the cone is divided into a number of triangles with a common top by radiation，o After their actual size, they are successively drawn on the same plane using emission lines You have to figure out what the surface of the cone looks like。 62：What are the steps of triangle expansion？ a：Draw the necessary view of the component，Use triangles to divide surfaces，determine The actual length of each side of the triangle is shown in the order of the triangle。 63：What is the neutral layer？ a：The outer material is stretched when the sheet is bent，The inner material is under pressure
2014-12-20 Reading quantity 2795
introduction：Different lubricants are prohibited from mixing with each other。Oil level plug、The location of the drain plug and ventilator is determined by the installation position。Their relative positions can be subtracted by reference The installation position diagram of the speed machine is determined。 1)Check the oil level 1、Cut off the power，Protection against electric shock！Wait for the reducer to cool！ 2、Remove the oil level plug to check if the oil is full。 3、 Install the oil level plug。 2)Inspection of oil 1、 Cut off the power，Protection against electric shock！Wait for the reducer to cool！ 2、Open the oil plug，
2014-12-20 Reading quantity 2784
introduction： delamination、impression、corrosion、crack、Wear and tear will be in 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。]The vibration measurement is reflected in the look，INAbearing[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）Its in mechanical transmission
2014-12-20 Reading quantity 1471
introduction： To better play 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。]Best-case scenario，SKFbearing[SKFbearing:SKFThe full name is“Svenska Kullager-Fabriken”The Chinese transliterated name is“SKF”；SK
2014-12-20 Reading quantity 1489
introduction： NSKAligning ball 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，A device used to reduce the coefficient of friction during power transmission and to keep the center of the shaft fixed。]The causes of failure are often multi-factorial，All factors affecting the design and manufacturing process will be related to bearings[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）Its in the mechanical transmission process
2014-12-20 Reading quantity 1533
introduction：1 Project overview Beijing Xidan North Street west business district8No. Housing and traffic square project(Sisi for short8landmarking)Located in Xidan bustling commercial area。The structure adopts frame supported shear wall structure，The seismic fortification intensity is8The degree of，overground17layer(locality2layer、8layer)，underground3layer，Total construction area approx63000m2。ENGINEERING±0.00Equivalent to absolute elevation42.40m，Floor thickness2m，Strength grade of concreteC30，Impermeability classS8，Originally designed with4Strip after pouring，plane、Profile figure1As indicated。2 Technical difficulties and solutions in the project According to the original design drawings
2014-12-20 Reading quantity 2829
introduction： The models of electromagnetic clutch areTJ-B2Electromagnetic clutch with aluminum guide 、TJ-A2Inner 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。]Type electromagnetic clutch、 TJ-D1Ultra-thin electromagnetic clutch、 TJ-CDry electromagnetic clutch&nb
2014-12-20 Reading quantity 2817
introduction： Current situation of domestic reducer： 60The years began to produce the transmission with a small tooth difference、Cycloidal pin wheel drive、Reducer such as harmonic drive has a large transmission ratio，Small size、High mechanical efficiency。But it is limited by the theory of its transmission，Do not transmit excessive power，The power is generally less than40kw。Due to the theory of transmission、There is no breakthrough in technological level and material quality，therefore，Failed to fundamentally solve the transmission power、Large transmission ratio、Small size、Light weight、High mechanical efficiency these basic requirements。 90Early era，The third ring in the country（Gear wheel）retarder
2014-12-20 Reading quantity 2797
introduction：The high frequency induction hardening used in wire roller is a new technology at present。High frequency induction hardening is used in the heat treatment process of wire roller，It can not only extend the service life of the wire roller，It can also greatly shorten the heat treatment process，And increase labor productivity，Meet the requirements of energy conservation and environmental protection。This method has many advantages over salt bath and box furnace heating，It has been adopted by many factories。 1.Advantages of high frequency induction of wire roller The thermal effect of the high frequency induced current causes the surface of the wire roller to heat rapidly，The heat is highly concentrated on the hobbing surface。Due to the intense radiation and conduction of heat to the cold heart，So the high-frequency induction heater
2014-12-20 Reading quantity 1454
introduction： If the monitoring indicator blinking frequency is1Hz，theEPROMOut of order。If the blinking frequency is2Hz，thePLCOut of order。if4HzFrequency flicker，Then keep the battery alarm，Indicates that the voltage is insufficient。Indicates the interface board of the operation panel03731The board is faulty orCRTOut of order。 1）No basic screen is displayed after the power is connected （a）Circuit board03840No monitoring light is displayed on the board （b）03840The monitoring light on the circuit board is on ①Monitoring light blinking。If the monitoring indicator blinking frequency is1Hz，theEPROMOut of order；If the blinking frequency is2Hz，
2014-12-20 Reading quantity 2801
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