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introduction： 1.External turning tool selection Commonly used external turning tools have sharp knives、Elbow knife and deflection knife。External turning tool commonly used main declination Angle15°、75°、90°。 The sharp knife is mainly used for the thick outer circle and the outer circle with no steps or small steps。The cutlass head is used to round the car、End sum45°The outer circle of an inclined plane，especially45°Elbow knife application is more common。The principal declination Angle is90°The left and right skew of the knife，When the car is round out，Low radial force，It is often used to turn the outer circle of a slender shaft。The tip of an arc knife has an arc，Can be used to turn an outer circle with a circular table。A variety of external turning tools can be used for chamfering
2015-01-09 Reading quantity 1546
introduction：The processing of each hole in the ring lattice hole group is shown in the figure below，We have usedAMacros have solved this problem，Try it again hereBClass macro methods to solve the problem。 Machining diagram of ring lattice hole group The following variables will be used in the macro： ＃1――The starting Angle of the first holeA，Use the corresponding text variable in the main programAAssign； ＃3――Hole machining fixed cycleRPar valueC，Use the corresponding text variable in the main programCAssign； ＃9――The feed value of hole machiningF，Corresponding in the main program
2015-01-09 Reading quantity 2903
introduction：Slider design precautions 1The vertical motion of the slider shall not be greater than half of the thickness of the slider﹔ 2 To ensure reliable slider movement﹐The top of the slide block should be arranged with an appropriate number of floating pins or springs﹔ 3 When the slider is processed in shared form﹐The two sliders should be rotated around the center of the template180Degree processing﹐At this point, the designer does not need to rotate the pixel﹐The adjustment work is handled by the processing department itself﹔ 4As shown in the figure(12)As indicated﹐When there is a small slider in the middle of the template﹐If the slope of the slider is less than or equal to15The degree of﹐Guide chutes can be cut directly on the template﹔If the slope of the slider is greater than15The degree of﹐The guide on the template is the best
2015-01-09 Reading quantity 2954
introduction： Worm drive is composed of worm and worm gear。The cross Angle between the two axes is usually90°。A cone-worm is a cone-spiral with equal leads。The conical gear is paired with the conical worm，The shape of the worm gear is similar to the curved tooth bevel gear。The cone-worm is placed on one side of the cone-worm gear（See picture[Worm transmission diagram]）。The characteristics of worm drive are：①The logarithmic number of teeth in contact at the same time，The overlap is large（See gear drive），So the drive is smooth；②Large transmission ratio，A single stage transmission ratio can be reached when used as a decelerating device10～400;③The Angle between the contact line and the relative sliding velocity is close90°,It is easy to form lubricating oil film between tooth surfaces,Therefore,
2015-01-09 Reading quantity 2842
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。]The disassembly should be carried out as carefully as the installation。Pay attention not to damage Guangyang bearings and parts，Especially the removal of interference fit bearings，Difficult to operate。therefore，Ease of disassembly should be taken into account in the design phase，It is also very important to design and make disassembly tools according to the needs。At disassembly，On the basis of
2015-01-09 Reading quantity 1595
introduction：1.Preparation of drilling program As shown in the figure1，Drill equidistant holes along any straight line。If usedFANUC-6MThe systems vertical machining center，The processing procedure is as follows： figure1Drill equidistant holes in a straight line O1000 N10G92X400.0Y300.0Z320.0Establishment of machining coordinate system N20M06T00recenter
2015-01-09 Reading quantity 2906
introduction：Too small load combined with insufficient lubrication，It will cause the rolling element to slip，Lead 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。]breakdown。Minimum load factor of cage bearingP/C=0.02,And the minimum load factor of full bearingP/C=0.04(PIs equivalent dynamic load，CIs rated dynamic load)
2015-01-09 Reading quantity 1430
introduction：What parameters should be included in the meaning of the deceleration model number？Each reducer manufacturer has its own model customization，Therefore, the customized deceleration models are also various。Many users are not clear what is the meaning of the deceleration model number，They usually think of those letters as model numbers。The following examples explain the meaning of part of our deceleration model number： B---It stands for worm gear and worm reducer，includeRVWorm gear reducer； E---Representative mounting flange，Free matching with motor； V---Stands for horizontal installation，That is, the output axis faces up； O---Indicates that the output end is hollow，The length of the output shaft can be matched by itself；
2015-01-09 Reading quantity 2976
introduction： The oil leakage of reducer is a very common and difficult problem for reducer manufacturers。solution： 1、The choice and quality of the oil seal is the most important，It is recommended to use products from world-class manufacturers； 2、Matching choice of sealing surface； 3、The hardness of the sealing surface is greater than45HRC； 4、The processing of sealing surface should prevent the appearance of grinding grain； 5、roughness0.8around； 6、Other sealing structures； 7、Prevent pressure oil from impacting oil seal；8、Maintain internal and external pressure balance。
2015-01-09 Reading quantity 2884
introduction：Lubricate and seal on any aligning ball 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。]Its all very important，Good lubrication and sealing are the guarantee of bearing life，Today we will focus on telling you aboutKOYOImportance of lubrication and sealing of bearings。 In daily use，Many people do not pay attention to the lubrication of aligning ball bearings。he
2015-01-09 Reading quantity 1461
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