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introduction： one、 Blanking die working process： Blanking die,Heres how it works,The upper die comprising the die is directly or indirectly connected to the upper die,It is connected with the press slide through the die handle。The zeros fixed to the lower die form the lower die of the die,And the press plate is fixed on the working table of the press。Upper die and lower die pass guide、guide。Working hours,The bar material is fed into the position by the stop material,When the upper die drops with the slider,Press down the board before discharging,Then the convex punch depresses the material above to obtain the workpiece。At this time, the workpiece is stuck in the punch and the top block,The scrap is also tightly fastened to the punch。When the upper die rises，The work piece is supported by the top plate
2015-02-15 Reading quantity 2790
introduction：Thread milling method using a forming head mounted on a high-speed rotating cutter to mill threads from a workpiece，Because of the high milling speed，It gets its name from the whirlwind of debris。Cyclone cutting is mainly used to process long external thread workpieces such as lead screw and screw feeding rod，It can also process large diameter internal threads and annular grooves，The machine tool used is generally a special cyclone milling machine or a cyclone head attached to the slide of an ordinary lathe。Cyclone cutting thread according to the mutual position between the cyclone head and the workpiece，It can be divided into two kinds of external cutting method and internal cutting method（See picture[Rotary cutting of external threads]）。The outer circumference of the circular cutter head（External tangent method）Or inner circumference（Internally tangent
2015-02-15 Reading quantity 2787
introduction： one、General situation For different types of fixed seal or dynamic seal applications，OV-sealing ring（For shortOv-ring）It provides an effective and economical sealing element for the designer。 Because of low cost and easy to use，makeOV-rings are widely used。In general and special applications，Because elastic materials have a very large range of choice，Actually allowedOThe ring is used for sealing gaseous media。 two、Instructions OThe ring is vulcanized in the mold；OThe ring has the characteristics of a circular cross-section ring。OThe size of the ring is determined by its inner diameter and its section diameter。 three、Operation method OThe shape
2015-02-15 Reading quantity 1460
introduction： High carbon chromium 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。]steel，The inclusions and carbides of steel are more demanding，The casting billet is prone to segregation、Defects such as shrinkage holes and cracks——Difficulty in continuous casting，Slow development。Japan Sanyo special steel works in1982Continuous casting machine was built，Oxygen content decreased compared to casting
2015-02-15 Reading quantity 1463
introduction：Influence rolling 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。]There can be many factors in service life，Use factors and intrinsic factors can be further explained。 The use factor mainly refers to the installation adjustment、Service and maintenance、Whether the maintenance and repair meet the technical requirements。Install according to rolling bearings、Use、maintenance、Maintenance techniques to
2015-02-15 Reading quantity 1456
introduction：DIN 611 Rolling 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。]、Overview of bearing parts and joint bearings DIN 615 Magneto ball bearings DIN 616 Overall dimensions of rolling bearings DIN 617 Cage needle roller bearing、Size series48and49
2015-02-15 Reading quantity 1549
introduction： The process of automobile diesel is accelerating Rising fuel prices are helping to fuel cars，The original gasoline engine as the main power of light passenger cars，2006For the first time in the first half of this year, sales of diesel cars exceeded those of gasoline cars，The trend continues。 Several domestic backbone diesel engine enterprises have also developed for passenger cars(Cars and minicars)Diesel engine，The original passenger car diesel engine is basically dominated by foreign diesel engine situation。At present, domestic diesel engines for medium and heavy vehicles are mainly domestic brands，And basically has independent intellectual property rights，Passenger car diesel engines are mainly foreign brands
2015-02-15 Reading quantity 2876
introduction： one.Design preparation 1. Required drawing、Confirmation of the contents of the sample book： Before the formal gold design，The following drawings or documents are usually required： ① Part drawing；②Gold type design and production model book；③Design and make contract；④other And to fully understand the above information，Ambiguity should be confirmed by the customer。 2. Grasp the outline of the drawing Part drawing determines the ultimate goal of gold design，It must be understood thoroughly。The part drawing provided by the Japanese customer is in accordance withJISDrawing by trigonometric method，Usually by
2015-02-15 Reading quantity 2800
introduction：Selective 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。]Type time，It is essential to fully grasp the operating conditions of bearings。The following table lists the main analysis items: Analyze project selection methods 1）Bearing installation space can accommodate the bearing type in the bearing installation space because the design of shafting pays attention to the rigidity of the shaft
2015-02-15 Reading quantity 1608
introduction： GWJHorizontal crystallizer is based on the advanced technology of digesting and absorbing similar foreign products，Combined with the actual situation of domestic and foreign users，And the development and manufacture of a new generation of crystallizer，It is one of the high-quality products necessary for starch sugar processing enterprises。The product uses two sets of cooling circulation system inside and outside，A spiral belt agitator is installed inside the cylinder，The end face is provided with a scraping plate，Both ends are fitted with mechanical seals。Advanced and perfect manufacturing technology。The perfect combination of the two，Is the guarantee of your success。 Product characteristics The transmission is compact，Smooth running，High efficiency，Low noise Reliable machinery
2015-02-15 Reading quantity 2798
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