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introduction： In the past few years，China has introduced a large number of advanced processing and testing equipment from abroad，In terms of hardware, it has reached a high level，Solve the hardware problem in the field of machining and manufacturing，Then the introduction is advancedCAD/CAMSystem，It also brings a partCAMProblems that software cant solve。 How to seek a higher level of high-speed、5Spindle cloth？How to improve processing efficiency、Programming quality、Machine tool safety、Equipment utilization and cutting tool cost savings？In response to these problems，More advanced manufacturing technology has emerged internationally。Such as，Numerical control machine tool
2015-04-10 Reading quantity 2793
introduction：■ GermanyMTU corporation2000／4000Series engine GermanyMTUEngine Company is one of the most famous engine manufacturers in the world，Its latest electronic controls(Down to the fuel nozzle)The fuel common rail technology is known as the third generation engine speed control system。among2000／4000Series engine features are： 1． adoptMDECcontroller MTU MDECThe control actuator can be adjusted to each nozzle，In terms of control principles，Engine output characteristics are determined by the amount of fuel supplied。Conventional engines can only control the whole thing
2015-04-10 Reading quantity 1451
introduction： In todays rapid development prospects，The reducer industry occupies an indispensable position in the machinery industry，It drives the development of all walks of life，Many industries can be involved in the application of reducer。Heilongjiang Jinlongtai reducer is a face to the whole of Heilongjiang，Even the countrys small and medium-sized reducer rapid development of the old leading enterprises，His unique brand design concept，Comprehensive after-sales service，On the principle that the customer is God，Subject to service，Customer service is the first criterion，Serving all walks of life in Longjiang。Heilongjiang reducerhttp://www.hljjsj.cn/
2015-04-10 Reading quantity 2812
introduction： A vacuum pump that uses a cryogenic surface to condense gas﹐Also known as condensate pump。The cryogenic pump is the lowest ultimate pressure to obtain a clean vacuum﹑The vacuum pump with the highest pumping rate﹐It is widely used in the research and production of semiconductors and integrated circuits﹐And molecular beam studies﹑Vacuum coating equipment﹑Vacuum surface analysis instrument﹑Ion implanter and space simulation device。 Extraction principle A cold plate cooled to an extremely low temperature by liquid helium or a refrigerator is provided in the cryogenic pump。It condenses the gas﹐And keep the condensate vapor pressure below the pumps limit pressure﹐Thus achieving the effect of pumping air。The main function of low temperature pumping is low temperature
2015-04-10 Reading quantity 2801
introduction：In the process of CNC lathe operation and programming，It is very important to figure out the basic coordinate relationship and the principle of the knife。This gives us a better understanding of the machining principle of the machine tool，As well as modifying the size deviation during processing is of great help。 one、Fundamental coordinate relation Generally speaking，Two coordinate systems are commonly used：One is the mechanical coordinate system；The other is the workpiece coordinate system，Also called program coordinate system。 A fixed reference point is provided in the mechanical coordinate system of the machine tool(Be assumed to be(X，Z))。The function of this reference point is mainly used for the machine tool
2015-04-10 Reading quantity 2908
introduction：1、Make sure the car starts smoothly This is the primary function of the clutch。Before the car started，Naturally, you start the engine first。And when the car starts，The car accelerated gradually from a complete standstill。If drive train（It connects the whole car）Rigidly connected to the engine，Once the transmission is in gear，The car will make a sudden leap forward，But it doesnt get started。This is because the car goes from standstill to forward thrust，It has a lot of inertia，It creates a large drag moment on the engine。Under this inertial resistance moment，The engine speed drops sharply to the lowest stable speed in an instant（normal300-500RPM）below，
2015-04-10 Reading quantity 2804
introduction： Separate type 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。]Because the inner ring and the outer ring can be conveniently installed on the shaft or bearing seat respectively。At this time, it should be noted that the shaft that has been installed with the inner ring is inserted into the bearing box that has been installed with the outer ring，Try to keep them together，To prevent chafing of rollers and raceways。rightKOYObearing[K
2015-04-10 Reading quantity 1483
introduction：Some pneumatic tools may produce reaction torque during use，Puts the operators body in a state of tension，It affects the balance of the body，You might get a finger。Therefore, in particular in the use of multi-axis nut lock equipment、Screw driver、Ratchet wrench、Bevel wrench、rotor、Tapping machine，Be especially careful with equipment such as pipe miter。Operators should be careful，Take precautions against undesirable reaction torque。
2015-04-10 Reading quantity 2890
introduction： A viscoelastic matrix medium carrying abrasives is used(Grinding medium)A special process in which the surface is repeatedly rubbed under a certain pressure to achieve polishing or removing burrs﹐Also known as abrasive flow processing。This machining method was originally mainly used to remove burrs in hidden parts or in cross holes﹐Later, it is applied to the surface of polishing molds or parts﹐It is also used to polish the surface of EDM or remove the surface deterioration layer﹐Rounding the edges of mechanical parts, etc。Extrusion honing has high processing efficiency﹑Can auto
2015-04-10 Reading quantity 2786
introduction：The ultimate goal of design is production。CADThe development and popularization of technology provide advanced design means for design engineers。however，Traditional processing technology and tools can not adapt to the development of design technology。Computer aided manufacturing technology（CAM）It is becoming a hot spot in processing demand，CAMSoftware selection and application，It is also becoming a focus of enterprises in the application of computer aided technology。How to chooseCAMsoftware？SelectCAMSoftware should pay attention to what problems？After years of practice，Author pairCAMSoftware selection has a deep feeling，Its summarized here，For readers reference。 one、Define oneself
2015-04-10 Reading quantity 2790
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