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introduction：1.Enter part origin parameters（G54-G59）1)MODEKnob set“EDIT”；2)According to theMENUOFSETKey to enter the parameter setting page；3)withPAGEDown or up arrow keys inNo1～No3Coordinate page sumNo4～No6Coordinate page（As shown in the figure1）Switch between； figure1No1~No6Respectively correspond toG54~G59 4)withCURSORDown or up arrow keys select the coordinate system；5)Press the number key to enter the address word（X/Y/Z）And values to the input field；6）According to theI
2015-03-31 Reading quantity 2904
introduction：qianru liheqi Embedded clutch jaw clucth Through teeth、A clutch with teeth or keys chimed together to transmit torque，Accordingly, it is called a dental clutch、Tooth clutch and key clutch。Dental clutch is most commonly used（See picture[Jaw clutch]），Both of its joints have raised teeth on their end faces，Jojama、The teeth on the follower joint are inserted or detached from each other，Can make the Lord、The driven shaft is engaged or separated。This clutch works without relative sliding between teeth，Surety master、The driven shaft is strictly synchronized，No friction loss，High transmission efficiency;But when engaged impact
2015-03-31 Reading quantity 2777
introduction：Therefore, it is important to choose the gap appropriately according to the use，Take into account the shock caused by reciprocating motion，Selective negative gap，The service life and accuracy will bring good results。
2015-03-31 Reading quantity 26041
introduction： The focused high-speed electrons are used to excite the characteristics of the component elements on the specimen surfaceXray﹐A physical test of a material for qualitative or quantitative analysis of microcomponents﹐Also known as electron probeXX-ray microanalysis。The principle of electron probe analysis is﹕Kinetic energy10～30A fine focused beam of kiloelectron volts bombards the specimen surface﹐Knocks out the inner electrons of the atoms that make up the surface elements﹐ionize﹐At this point, the outer electrons quickly fill the gap and release energy﹐Thus producing characteristicsXray。 Using a wavelength dispersion spectrometer(Or energy dispersion spectrometer)And detection counting system﹐Measurement characteristicsXWavelength of ray(Or energy)A surname
2015-03-31 Reading quantity 2877
introduction：one Influence of casting path on casting integrity Due to the poor casting performance of titanium，It is very important to set the casting channel of the cast titanium investment mold，If cast cobalt chromium alloy、Stainless steel method of vertical casting，Casting is often incomplete。The casting channel of the casting titanium investment mold has the following requirements： The diameter of the casting channel should be thick(No less than4mm)short，Make sure there is enough titanium liquid，Injection into the mold cavity through the shortest path；The connection between the casting channel and the investment mold shall be properly thickened；The number of casting channels shall be3～4The root；Parallel interpolation method can be used，Lateral interpolation can also be used；Avoid right angles。 two The effect of mold temperature on the surface properties of titanium castings
2015-03-31 Reading quantity 2790
introduction：1 Paste sealant This type of sealant is a low grade sealant，Usually adopt3Primary material：Oils and resins；polybutene；pitch。Fixed glass often used to seal small Windows，Its joint movement deformation is the largest +5%or-5%，The validity period is generally2years。 2 Liquid elastomer sealant This type of sealant comprises a liquid polymer that can be vulcanized to form an elastic state。They have the ability to withstand repeated joint deformation。The service life of liquid elastomer sealant is generally15～20years。This kind of sealant has high adhesion and shear strength，Good softness at room temperature。Its disadvantages are
2015-03-31 Reading quantity 1424
introduction： A gear machining tool with teeth arranged in a spiral along a cylinder or cone﹐It is used to process cylindrical gears by developing method﹑Worm gears and other cylindrical workpieces with teeth(See gear machining﹑Gear wheel)。Depending on the use﹐Hobs are divided into gear hobs﹑Worm gear hob﹑The non-involute line is developed into hobs and fixed hobs, etc。 Gear hob Commonly used tools for machining straight and helical cylindrical gears with external meshing。Processing time﹐The hob is equivalent to a spiral gear with a large helix Angle﹐The number of teeth is the number of hob heads﹐The workpiece is equivalent to another helical gear﹐Mesh each other in space according to a pair of helical gears﹐
2015-03-31 Reading quantity 2775
introduction：A measuring element that uses the principle of electromagnetic induction to convert the relative displacement between two planar windings into an electrical signal,For length measuring tools（figure1[Structure of induction synchronizer]）。Induction synchronizers are divided into two categories: linear and rotary。The former consists of a fixed scale and a sliding scale，Used for linear displacement measurement；The latter consists of a stator and a rotor，Used for angular displacement measurement。1957AmericanR.W.Tripp et al. patented the induction synchronizer in the United States，Formerly known as position measuring transformer，Induction synchronizer is its trade name，Initially used for radar antenna positioning and automatic tracking、Guided missiles, etc。In machine building，A sense of
2015-03-31 Reading quantity 2784
introduction： Special processing that uses the impact force of liquid or solid particles ejected at high speed from the nozzle to break and remove workpiece material。Jet processing is generally divided into liquid jet processing and abrasive jet processing﹐The former develops rapidly﹐Widely used。 Liquid jet machining 20century50It was applied at the end of the decade﹐It is the use of pressure for200～400mpa(Up to1500mpa)High pressure water﹐From aperture to 0.05～0.4Millimeter sapphire or diamond nozzle holes at a height of hundreds of meters per second to more than a kilometer
2015-03-31 Reading quantity 2780
introduction：Oil 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。] Made of porous material﹑Plain bearings with lubricating oil stored in the pores。The thermal expansion coefficient of porous material and lubricating oil is different﹐Therefore, when working, oil is squeezed from the pores into the friction surface﹐When the work stops, the oil is sucked back into the pores as the temperature drops。Oil bearing has low cost﹑vibration-absorbent﹑noise
2015-03-31 Reading quantity 2765
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