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introduction： 1．Flange coupling（GY、GYDtype） In a fixed coupling，Flange coupling is the most widely used one。It is composed of two semi-couplings with flanges，The two half couplings are separately connected to the two axes by keys，And bolt the two half couplings into one。As shown in the figure2-5As indicated，The two half couplings are connected by ordinary bolts，The bolt has a gap with the bolt hole，The torque is transmitted by the friction between the contact surfaces of the two discs of the coupling，Center with shoulders and grooves。Ream hole bolt alignment can also be used，As shown in the figure2-6As indicated，Torque is transmitted by shear and compression of the bolt，Therefore, the transfer torque is larger，But to
2015-02-14 Reading quantity 1556
introduction：In the machinery industry，Imported bearing[Imported bearing:Simply put, the import bearing agent refers to the sale of an imported bearing brand。The main brands of imported bearings arenskbearing，ikobearing，fagbearing，Of good quality，Of course, the price is not cheap。]There are many kinds of，But the imported bearings used above the radiator[Imported bearing:Simply put, the import bearing agent refers to the sale of an imported bearing brand。The main brands of imported bearings arenskbearing，ikobearing，fagbearing，Of good quality，Of course, the price is not cheap。]There are only a few varieties： 1、Sleeve bearing（Sliding motorcycle
2015-02-14 Reading quantity 1446
introduction： The drum contains a stack of tapered discs﹐Centrifugal separator for separating the components of emulsion and low concentration suspension by centrifugal sedimentation。Disc separator can be closed﹑hyperthermia﹑hypothermy﹑Operate under pressure and vacuum﹐Used to extract cream and juice from milk﹑beer﹑Animal and vegetable oil﹑Purification of transformer oil, etc﹐Yeast concentration and serum extraction from animal plasma。 When separating the suspension(figure1a Working principle diagram of disc separator )﹐The suspension enters the drum through the central feed pipe﹐Flow from the outer edge of the disc bundle to the inner edge of the disc through the disc gap。Due to centrifugal force﹐Solid particles in
2015-02-14 Reading quantity 2812
introduction：A high-speed precision boring machine。Because of the initial use of diamond boring tool named，Carbide cutting tools have been widely used since。This boring machine is characterized by a small feed，High cutting speed（600～800meter／points）。Its in mass production of cars、It is widely used in tractor and other industries，Mainly used for processing connecting rod bearing、piston、Precision holes on oil pump housing and other parts，It is also used in the processing of aluminum magnesium alloy workpieces in the aviation industry。The roundness of the machining hole is in3submicron，Surface roughnessR0.63～0.08micron。 There are many kinds of diamond boring machines,According to the layout form can be divided into single-sided double-sided and multi-sided;
2015-02-14 Reading quantity 2801
introduction： KOYObearing[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。]In the process of use，Damage can occur if you are not careful。therefore，In useKOYObearing[KOYObearing:kOYOBearings are generally required to bear large loads，frequently
2015-02-14 Reading quantity 1543
introduction：The whole transmission device of planetary cycloidal reducer can be divided into three parts：Input part、Retarding section、Output part。 There is a misalignment in the input shaft180Degree of double eccentric sleeve，Two roller bearings are fitted on the eccentric sleeve[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。]，formHinstitution，The center hole of the two cycloidal wheels is the eccentric sleeve of the rotating arm
2015-02-14 Reading quantity 2884
introduction： CATIAIs made by FranceDassaultCompany developed setCAD/CAM/CAEExcellent 3D design system in one，In machine、corpuscle、aviation、Industries such as aerospace and automotive have been widely used。Because the software system is huge、complexity，unlikenessAutoCADAs easy to master as two-dimensional software，In addition, there are few books and materials on software applications，Be proficient in using the software，It is not only necessary to explore and experience slowly in learning and application，You also need to communicate with other people、Mutual learning。The following is a brief introduction of what the author has mastered in the process of learning and using the software
2015-02-14 Reading quantity 2782
introduction： Working principle Organic matter：Atrazine（Pesticide insecticide）、Lauric acid septum、Benzoic acid、Benzoic acid、acidocide、Sodium oxalate、Cellulose acetate。 Dye：anthraquinone、Black iron oxide、Indigo pigment、Butyric acid、Titanium hydroxide、Zinc sulfide、Various azo dye intermediates。 Inorganic substance：borax、Calcium carbonate、hydroxide、Cupric sulfate、Iron oxide、Barium carbonate、Antimony trioxide、Various metal hydroxides、Various heavy metal salts、Synthetic cryolite, etc。 ceramic：kaolin、Silicon trioxide、clays。 food：Soy protein、Gelatinous starch、Distillers grains、triticose、Wheat starch
2015-02-14 Reading quantity 2790
introduction：one、 Synthetic vocabulary 1、 Printed circuit：printed circuit 2、 Printed circuit：printed wiring 3、 Printed board：printed board 4、 Printed board circuit：printed circuit board (PCB) 5、 Printed wiring board：printed wiring board(PWB) 6、 Printed element：printed component 7、 Printed contact：printed c
2015-02-14 Reading quantity 2895
introduction：Weld lines are often generated during injection molding,Fuse connection is one of the most serious defects of injection molding products,It not only affects the appearance of the product quality，And the welding line has influence on the strength of the product，And in the painting and other post-processing，The fuse line is difficult to handle，So the length of the fuse line must be shortened。As fused resin fills each other the interface is displayed on the surface，Resulting in reduced strength and appearance，In order to withstand the external force of the parts or eye-catching parts do not produce welding，Move the fuse wire to a place that does not affect its appearance and strength，At this time can passCAESoftware predicts fuse position，Then by changing the product design
2015-02-14 Reading quantity 2802
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