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introduction： 1 introduction The traditional thread machining method mainly uses thread turning tool or tap、Die hand tapping and clasp。With the development of CNC machining technology，Especially the emergence of three-axis CNC machining system，Enables more advanced threading methods———CNC milling of threads is realized。Thread milling is compared with traditional thread machining， Accuracy in process、It has great advantages in processing efficiency，And machining is not limited by the thread structure and thread direction，For example, a thread milling cutter can process a variety of different directions of the inside、Male thread。For threads that are not allowed to have a transition snap or retracting groove structure
2015-03-08 Reading quantity 2932
introduction：Theoretical productivity：180time/when 1、Abide by《General operating rules for casting equipment》Relevant provisions。 2、Check the oil level in the tank，If the oil level is lower than the upper limit of the oil mark，Just add the clean ones20Machine oil。 3、Generally, air pressure is not allowed，If air injection is necessary，Be sure to put soft bedding in the injection chamber（silky、lead），Prevent damage to equipment。 4、Start the device in the following order，Carry out no-load test： a、 Open the storage cylinder and the two small interceptors at its upper end； b、 Pull a handle to control the felling； c、 Open air switch，Pick up
2015-03-08 Reading quantity 2818
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。]Steel is used to make balls for rolling bearings，Steel for rollers, sleeves, etc，It can also be used to make precision measuring tools，Cold stamping die，Precision coupling parts for machine tool lead screw and diesel oil pump。 Bearing steel ■summarize Bearing steel is used to make ball bearings、Steel for rollers and bearing rings。Bearing on
2015-03-08 Reading quantity 1476
introduction：one， Structural steel characteristics： 08F Good cold plasticity,shapability；Excellent weldability,age-sensitive;machinability,Cold-drawn normalizing state is better than annealed state。 10 Good cold plasticity,Plate normalizing or high temperature return performance and good,machinability,Cold-drawn normalizing is better than annealed,weldable。 35 Cold plasticity is good,All kinds of welding performance is good;Good machinability;It is used to make mechanical parts with small force and small and medium-sized forgings。 45 Medium carbon high quality multi-strength steel,Low hardenability,Normal normal use;Only parts with high requirements are carried outML4Line conditioning。Cold plasticity average;machinability,anneal
2015-03-08 Reading quantity 2809
introduction： A gear drive that fixes or shifts the ratio between the output shaft and the input shaft﹐gearbox。Transmission is composed of transmission mechanism and transmission mechanism﹐It can be made into a separate transmission mechanism or combined with the transmission mechanism in the same housing。The transmission mechanism is mostly driven by ordinary gear﹐Some also use planetary gear transmission。Ordinary gear transmission mechanism(See picture Variable speed mechanism )Generally with sliding gear and clutch。The sliding gear is divided into multiple sliding gear and displacement sliding gear。Change speed with triple slip gear﹐Large axial size﹔Change speed with displacement slip gear﹐Compact structure﹐But the transmission ratio changes little。The clutch has a meshing and
2015-03-08 Reading quantity 2775
introduction： 151 You can generate segmentation FeatureManager Design number。Grab FeatureManager Design the gray bar at the top and drag it down。Its location is saved with the file，You can also save all new files in a file template。 152 You can activate by SolidWorks 2D The emulator plug-in types from the instruction line SolidWorks 2D Sketch instruction。To get a list of all instructions，Type help in the command line。 153 When you will file to lose
2015-03-08 Reading quantity 2782
introduction： The reason why the electric car pulls the cylinder 1、Generator overheat：When the cooling system is poorly maintained，Or overloaded with work，Too high machine temperature not only reduces the mechanical strength of the parts，The lubricating oil film on the inner wall of the cylinder cannot be formed，Piston and other parts after heat expansion，Easy to get stuck in cylinder liner，The result is often partial melting of the piston，Cylinder liner wall is broken。 2、The air filter is not sealed：The filtering effect becomes worse，Dust in the air，Sand and other chores are sucked into the cylinder，Formation of abrasive wear。The test shows that，If every day
2015-03-08 Reading quantity 2802
introduction：Dong Ling is a large auto bumper mold professional manufacturer in Taiwan，They have two.2500×1100×1100mmtheCopy+CNCMultifunctional milling machine。formerly5For years，They have been the largest auto parts manufacturer in Taiwan－Dongyang Industry processing car bumper mold。 BuyDelcamthePowerMILLbefore，Dong Ling uses traditional plaster models and copy milling methods to process bumper molds，Poor machining accuracy，And the machine operator is also very hard，Because they often have to work overtime，It is therefore difficult to hire machine operators。
2015-03-08 Reading quantity 2782
introduction：A conveyor for carrying people continuously in a horizontal or slightly inclined direction。Suitable for shopping malls﹑aerodrome﹑Places where people are concentrated, such as stations and docks。Automatic walkways appear in20The beginning of the century。Its structure is similar to an escalator﹐It is mainly composed of two parts: active road surface and handrail。usual﹐The moving surface of the automatic walkway in the case of sloping﹐It doesnt form a ladder﹐General split step type(Similar plate conveyer)And tape type(Similar to belt conveyor)Two kinds of。In order to achieve the purpose of common and economical with the escalator parts﹐The automatic walkway usually adopts the stepped structure and the same handrail structure。Handrails should run synchronously with the active road surface
2015-03-08 Reading quantity 2790
introduction：Rolling 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。]precision Precision grade and division standard of rolling bearing Precision points of rolling bearings（main）Dimensional accuracy and rotation accuracy。Accuracy levels are standardized，Fall into0level、6Xlevel、6level、5level、4level、2Grade six。Accuracy from0Step by step increase，towards
2015-03-07 Reading quantity 1558
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