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introduction： Work out the inside on the workpiece﹑Method of external thread﹐There are mainly two types of cutting and rolling processing。 Brief history The application of the thread principle dates back to BC 220Greek scholar Archimedes created the spiral water lifting tool。A.d.4century﹐The Mediterranean countries began to apply the principle of bolts and nuts to winemaking presses。At that time, the external threads were wound with a rope to a cylindrical bar﹐And then it was carved according to this mark。The internal thread is often used softer
2015-03-05 Reading quantity 2785
introduction： In useTIMKENThrust 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。]In the process of，Grease is very critical。if，Stale grease was used，Not only is it ineffective，And it will damage the bearing。 1.Oil flow observation method Take two measuring cups，One of them is waiting to be examined
2015-03-05 Reading quantity 1531
introduction：The gear grinding machine of worm wheel mainly uses the developing method to process cylindrical involute and cylindrical gear，Its work efficiency is high，Meet the processing requirements at one time，Good performance to win the favor of users，Now the operation of worm grinding wheel gear grinding machine has been fully achieved100％The numerical control program，This is more conducive to the improvement of machine accuracy and the use of operators，Greatly speed up the information industrialization under the machine tool high standardization process。In view of the CNC standard of worm grinding wheel gear grinding machine，So its a collection machine、Hydraulic pressure、Electrical system control of machine tools，Various electrical components and hydraulic units，The coordination performance of mechanical mechanism parts is obviously optimized，And complementing each other
2015-03-05 Reading quantity 1563
introduction：A class of nonmetallic materials consisting of carbon。Carbon has 3A kind of isomer：One is amorphous carbon，charry、coke、Carbon black；The other two are crystalline carbons，Namely graphite and diamond。Amorphous carbon can be converted to graphite by high temperature treatment。Graphite in catalyst action and high pressure、It can also be converted into diamond under high temperature conditions。This is also the production method of artificial graphite and artificial diamond。 carbonaceous 3A kind of isomer，The spatial arrangement of its atoms varies。Graphite is a hexagonal crystal system，The layers are made up of hexagonal rings，Level is parallel to level,It has an ordered overlapping crystal structure（figure1[Crystal structure of graphite]）；
2015-03-05 Reading quantity 2813
introduction：lHans·Sinder Polyester bottle filling for some sensitive beverages，There are two safe processes from the microbiological point of view：Hot filling and sterile cold filling。Both have their pros and cons。Apart from technical considerations，Cost issues also play an important role in investment decisions。 Products in sterile cold filling、The bottling containers and caps are sterilized separately，It is also filled under sterile conditions，No preservatives or heat treatments are added during or after the production process。Hot filling process on the product、The bottling container and cap are heated，In addition to
2015-03-05 Reading quantity 2821
introduction：The level of modern mold manufacturing，The length of the cycle depends on the support of various technologies，Mainly includes the mold process design，Software that directly affects mold design and manufacturing standards，Equipment for mold manufacturing，The standardization and universality of various accessories，Until the mold design and manufacturing engineering and technical personnel skill level and many other aspects。However, the requirements for elastic components in mold manufacturing，There are several major trends，That is, more pursuit of rate，High precision，As well as good economy and product flexibility，composability。Coil spring，Polyurethane springs can not meet the above requirements。DADCOThe company to46annual
2015-03-05 Reading quantity 2829
introduction：1、Comply with casting equipment general operating procedures。 2、Open the intake of the fan used on duty、Exhaust the air to cut the door、At the same time, shut down the inlet of the standby fan、Exhaust the air to cut the door。 3、Check the oil level of the lubricating oil should be within the range of the oil level line of the indicator，Or else，Should be added in time30Machine oil。 4、Pull the coupling by hand，Check whether there is metal percussion or friction in the blower，If theres no banging or rubbing The sound，Parallel and flexible，Ready for production。
2015-03-05 Reading quantity 2823
introduction：This is an article from the front line of production，The content of the article is not advanced but practical。In this paper, the author analyzes the disadvantages of traditional machining methods of spatial CAM and manual programming machining methods on CNC machine tools，On this basis, the utilization is explained in detailMasterCAMThe whole process of software processing space CAM。 A variety of CAM mechanisms are used in the tobacco machine equipment of Xuchang Tobacco Machinery Co., LTD，Existing planar CAM mechanism，There is also a spatial CAM mechanism，among，The machining of space CAM, the key part of space CAM mechanism, has always been the difficulty of machining。The conventional method uses indexing
2015-03-05 Reading quantity 2811
introduction：1、Ceramic 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。]High temperature resistance、cold-resistant、wear-resistant、Corrosion resistance、Diamagnetic electrical insulation、Oil-free self-lubrication、High speed and other characteristics。It can be used in extremely harsh environment and special working conditions，It can be widely used in aviation、spaceflight、Sailing、petroleum、Chemical engineering、CARS、Electronic equipment，metallurgy、electricity、spin、
2015-03-05 Reading quantity 1449
introduction：1、More oil than less We know，Low oil will result in insufficient fuel supply、Poor lubrication，Cause mechanical accident。therefore，When refueling, do not be afraid of insufficient oil“Prefer more”。In fact，Too much oil will not only increase the power consumption of the crankshaft due to the increase of rotation resistance，And the oil is prone to bubbles、Emulsification and leakage，Cause poor lubrication。 2、A higher viscosity oil is better for the engine than a lower viscosity oil The viscosity grade of lubricating oil is selected too high，It will cause poor pumping performance of the oil pump，Flow reduction，And make it lubricated、Washing and heat dissipation become worse，It is easy to produce semi-dry friction
2015-03-05 Reading quantity 1447
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