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introduction： Common tool coating——TiN(Titanium nitride)、TiCN(Titanium nitride carbide)andTiAlN(Titanium aluminum nitride)，Must contain two identical letters‘Ti’(titanium)。nowBalzersCompanies have introduced coatings that defy this model。“Alcrona”The new coating is abbreviatedAlCrN，Aluminum chromium nitride。This chromium-based coating replaces the titanium-based coating。According to theBalzersTechnical directorDennisQuintoWhat the doctor said，Chromium here benefits with another element——aluminum-related。AlCrNDepends on rich aluminumTiAlNAdvantages of microstructure characteristics。rich
2015-02-08 Reading quantity 2884
introduction：Mold technology is a collection of machinery、corpuscle、Chemistry、optics、Materials、computer、Precision monitoring and information networks and many other disciplines，It is a comprehensive and multi-disciplinary system engineering。The development trend of mold technology is mainly to mold products towards larger、More precise、More complex and more economical direction，The technical content of mold products continues to improve，The mold manufacturing cycle is continuously shortened，Mold production toward information、graphicless、fining、The direction of automation development，Mold enterprises towards technology integration、Sophisticated equipment、Production lot branding、Management informatization、Business internationalization direction development。Chinas mold industry still needs to improve in the future
2015-02-08 Reading quantity 2875
introduction： Use low pressure﹑Vacuum pump with high speed and directional flow of oil vapor jet pumping。The ultimate vacuum of this pump is10-4～10-5Mr﹐The working pressure range is10-1～10-4Mr﹐Pumping speed range from tens to hundreds of thousands of liters/seconds(1l＝10-3meter3)。Oil diffusion pump is the main equipment for obtaining high vacuum﹐Widely used in vacuum smelting﹑Vacuum coating﹑Space simulation tests and some vacuum systems that are not sensitive to oil contamination。 Brief history 1915years﹐German physicistsW.Gad published a report on his study of diffusion pumps。1916years﹐YankeeI.Langmuir
2015-02-08 Reading quantity 2889
introduction：Gear reducer is the use of all levels of gear transmission to achieve the purpose of reducing speed.The reducer is composed of gear pairs at all levels.For example, using small gears to drive large gears can achieve a certain goal of deceleration,Then adopt the multi-level structure,You can significantly reduce the RPM. Gear reducer is generally used for low speed and high torque transmission equipment，Knob motor.The power of an internal combustion engine or other high-speed operation is decelerated by meshing large gears on the output shaft with fewer teeth on the input shaft of the reducer，The ordinary reducer will also have several pairs of the same principle gear to achieve the ideal deceleration effect，The ratio of the number of teeth of the big and small gears，exactly
2015-02-08 Reading quantity 3086
introduction：Mold quotation and settlement is the continuation and result of mold evaluation。From mold valuation to mold quotation，Just the first step，And the ultimate purpose of the mold，Is through the mold manufacturing delivery after the settlement，Form the final mold settlement price。In the process，People always hope，Mold valuation=Mold price=Mold settlement price。And in practice，These four prices are not exactly equal，Fluctuating error values are possible。These are the issues to be discussed below。When the mold is valued，Appropriate handling is required，Collate the quotation into the mold，To sign the mold processing contract as a basis。Through repeated negotiations，Final formation
2015-02-08 Reading quantity 2890
introduction：1、Comply with general operating procedures for moulding machines and core machines。 2、pre-work，Check the oil volume of both cylinders，If the oil is not enough，Refueling should be timely；During refueling，Prevent sand from entering the fuel tank，Never surround the filler with sand。 3、When the lower part of the jaw plate has accumulated sand against the jaw plate，Sand accumulation must be removed before production。 4、The bottom box molding machine is in the process of turning，Do not stand near the front of the device，To avoid personal accidents。 5、According to production needs，Adjustable jar gas cutting，To change the shock height。 6、After work，Remove sand accumulation on the frame，First turn on the draw and flip cutting，Raise the piston to maximum
2015-02-08 Reading quantity 2784
introduction： Automobile transmission system is divided into mechanical transmission system、Hydraulic transmission system、Hydrostatic transmission system、Electric drive train、 The mechanical transmission system is simple in structure、Work reliably，It is the power of the engine through the clutch1、transmission2、Cardan joint3、Driving shaft8、Main reducer7、differential5、Half shaft6To the rear drive wheels。And work with the engine，Ensure that the car can run normally under different conditions。In order to adapt to the different requirements of car driving，The drive train shall have deceleration and torque increase、Variable speed、Set the car back、Interrupt power transmission、Make both sides of the driving wheel differential rotation and other specific functions。
2015-02-08 Reading quantity 2898
introduction：eachKOYObearing[KOYObearing:kOYOBearings are generally required to bear large loads，Often without a cage，Instead, fill the inner and outer raceways with rolling elements。And most small and medium-sizedKOYORolling bearings are equipped with retainers。 inKOYOBearing in the processing process，The outer ring of the bearing、Inner ring、How do the roller and cage fit together。]All have a pre-calculated service life。 however，Research shows that，For various reasons， Not all bearings can achieve this service life。 In the bearing life cycle，Some stages have an important impact on the service life of bearings。
2015-02-08 Reading quantity 1442
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。]In the process of use，All sorts of things happen！Shaft hole closure is a common failure，How to fix it？ A、Use corsesine1755Cleaning agent cleans the surface of the bearing hole to be repaired。 B、Detect shaft hole wear depth，If wear depth
2015-02-08 Reading quantity 1451
introduction： M1432AThe movement of each part of the universal cylindrical grinding machine is realized by the joint transmission of the mechanical transmission device and the hydraulic transmission device。In the machine tool，In addition to the longitudinal reciprocating motion of the table，The fast advance and retreat of the grinding wheel holder and the cycle are automatically cut into the feed，Retracting of tailstock center sleeve，Grinding wheel holder screw nut clearance elimination mechanism and manual interlock mechanism are realized by hydraulic transmission with mechanical transmission，The rest of the movement is achieved by mechanical transmission。 As shown in the figure3-47Be shown asM1432AThe mechanical transmission system of a universal cylindrical grinding machine。
2015-02-08 Reading quantity 1447
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