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introduction： Generally speaking，New car tires have to go through200More than kilometers of driving friction to achieve“Optimum adhesion”；Brake pads have to go through400Travel over kilometers，Can reach“Ideal friction force”，The moving friction parts of all parts of the car need to pass through1000More than kilometers of run-in，In order to establish a good cooperative relationship。 Especially the heart engine of the car，Surface flatness of new car parts、Bearing area、The mating relationship is not designed to the ideal degree，Engine assembly of the machine、electricity、oil、water、The operating conditions of gas systems have not reached the best comprehensive balance。These transitions are
2015-01-05 Reading quantity 2820
introduction：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。]Spin at high speed、Especially when the speed is close to or exceeds the limit speed recorded in the size table，The main points should be noted as follows： （1）Use precision bearings； （2）Analysis of bearing internal clearance（Consider the reduction of internal bearing clearance caused by temperature rise）； （3
2015-01-05 Reading quantity 1481
introduction：I I *Intension *Intermediate *intensity *middle I-LE In-Line Engine The in-line engine I-TEC Isuzu Total Electronic Control Isuzu full electronic control I.CAS Isuzu Clean Air System Isuzu air purification device I.D Inside Diameter Inside diameter I.T. Ignition Timin
2015-01-05 Reading quantity 2911
introduction：The process is outlined below： Hot molding resin sand（Or coating）Line centrifugal casting process flow chart Hot molding resin sand（Or coating）Lined centrifugal casting process，In smelting、nodulization、Heat treatment、Zinc spraying、clear、Hydrostatic test、Line with cement、wellness、The coating and packaging processes are the same as the water-cooled metal method。The differences are outlined here： Sand distribution station First, the tube mold is coated with a layer of resin sand(The cold mold of the first tube at each start of pouring needs to be heated，Make the temperature of the tube mold reach the required temperature of the sand laying process。The temperature of the tube mold in continuous production is the use of residual heat during the pouring process)，
2015-01-05 Reading quantity 2831
introduction： 20century70－80age，There has been a great development of reducer technology in the world，And closely combined with the development of new technological revolution。The development trend of universal reducer is as follows： ① High level、High performance。Cylindrical gears are generally carburized and quenched、Gear grinding，Increase of carrying capacity4More than，Small size、Light weight、Low noise、High efficiency、High reliability。 ②Modular design。The basic parameter adopts the priority number，Neat size，The parts have strong versatility and interchangeability，The series is easy to expand and renovate，It is beneficial to organize mass production and reduce cost。
2015-01-05 Reading quantity 3026
introduction：The removal of the silver guide rail is not as simple as we think，We also need to pay attention to many details during the disassembly process。
2015-01-05 Reading quantity 18733
introduction：1The main development trend of plastic machinery is towards composite structure、customization、serialization、standardization、compound、miniaturization、upsizing、individuation、Intelligent development。Users can according to their actual requirements，proceed“Combine and match”。Also around energy saving、Technical guidelines to save materials and meet the needs of special materials and special uses，Many new types of equipment and special special equipment have been developed，Such as low pressure injection molding machine、Gas assisted forming machine、Sandwich injection molding machine，Thin-wall injection molding machine、Structural reaction injection molding machine、Super high speed injection machine、Injection compression molding machine、Direct drive high speed extruder、Multilayer extruder、Reaction extruder
2015-01-05 Reading quantity 2805
introduction： Turntable 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。]，Also known as slewing bearing，It is able to withstand a large axial load at the same time、Large bearings with radial loads and overturning moments。Turntable bearings are generally equipped with mounting holes、Internal gear or external gear、Lubricating oil holes and seals，Therefore, it can make the main engine structure design compact、Reliable guidance
2015-01-05 Reading quantity 1552
introduction： Laser rapid prototyping（Laser Rapid Prototyping：LRP）willCAD、CAM、CNC、laser、A new manufacturing technology that integrates advanced technologies such as precision servo drives and new materials。Compared with traditional manufacturing methods：The replicability of the prototype、High interchangeability；The manufacturing process has nothing to do with the geometry of the prototype；Short processing cycle、Low cost，Lower general manufacturing expenses50%，Process cycle reduction70%above；High technology integration，Realize the integration of design and manufacturing。 LPRMainly include：Stereo light modeling(SLA) technology；choose
2015-01-05 Reading quantity 2911
introduction：one、Standard code for digital control Word and word function 1.Character and code character:To organize、Symbols that control or represent data，As number、letter、Punctuation mark、Mathematical operators, etc。Numerical control systems can only accept binary information，with“0”and“1”Combined code to express。Two standard codes are widely used internationally： （1）ISOInternational Organization for Standardization standard code （2）EIAElectronic Industries Association standard code Both codes can be used on most modern CNC machine tools。CNC machine tool parts processing program，Can be
2015-01-05 Reading quantity 2809
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