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introduction： generation No. sex can with with road ABS (styrene-butadiene-propylene) 0.4~0.7% Amorphous material.flow
2015-02-12 Reading quantity 2892
introduction： one．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。]： (one)General introduction to rolling bearings 1.Rolling bearingrollingbearing Roll between supporting loads and parts moving relative to each other
2015-02-12 Reading quantity 1540
introduction：IKObearing[IKObearing:IKONeedle roller bearing with its special internal structure to achieve the mechanical design of small、Light weight。Guideway bearings are based on the high quality given by needle roller bearings，Precision machining with unique mechanical equipment，Evaluate the quality of the latest machines，Products always maintain high performance and high quality level。]Usually the space that can be installed is limited。In most cases，Bearings are based on mechanical design or other design limitations。Bearing type and size，Thrust angular contact ball bearing。What types of bearings are sealed？。Therefore, the decision in selecting the bearing diameter of the New Territories North region is based on。Due to the
2015-02-12 Reading quantity 1575
introduction：Characteristics and application of planetary gear reducer Reducer in the national economy has played a core position and about，It is used in servo motors、Between stepper motor and load，Increase torque by reducing speed、Matching inertia。 There are many types of reducers，Currently on the market commonly used reducer：Cycloidal pin gear reducer、Planetary gear reducer、Turbo worm reducer、Gear reducer, etc，Which planetary reducer due to high precision，Maintenance-free and other reasons are more and more widely used，But its also more expensive； Songwen Electromechanical is about the selection and use of planetary gear reducer precautions
2015-02-12 Reading quantity 2875
introduction：one、Working principle of injection molding machine The injection molding process is generally divided into the following steps：Mode locking→Injection pressure retention→Melt glue feeding→Cooling setting→Open die thimble。There is time for each action to be completed、stress、speed、Location and other parameters of the exquisite coordination，In other words, the displacement at a certain position has a corresponding pressure and speed，And its pressure and speed are variable at different positions and times。At the same time, after the completion of each action, a termination signal is sent to the program controller，The program controller receives the signal before issuing the next action
2015-02-12 Reading quantity 2801
introduction： In die casting mold design, It is common to encounter parts with the same core-pulling and large differences in molding heights, If the core is pulled by inclined tie rod or bent pin, It is customary to increase the height of the slider,To meet the back-off space of the slider,The result is an increase in the weight of the slider,The strength of the die frame is reduced。 figure1 It is a schematic diagram of die casting parts for the front shell of the governor of the automobile oil pump, Ⅰ- ⅠParting surface need to pull the core to complete the demoulding,Minimum core-pulling heightHmin for17mm,
2015-02-12 Reading quantity 2929
introduction： A warehouse that uses high shelves to store goods﹐Also known as three-dimensional warehouse(See picture A diagram of the elevated warehouse )。This kind of warehouse uses a variety of material handling machinery for handling﹑Stacking and access operations。The warehouse shelves are multi-level﹐And very tall﹐So the space utilization rate is better﹐Suitable for the storage of many kinds of goods。Electronic calculator is used to control the entry of goods in the elevated warehouse﹑access﹑The whole process of leaving the warehouse﹐Full automation of warehouse operations can be realized﹐The elevated warehouse is no longer a place for the simple storage and receipt of goods﹐And become an important department of organization and coordination of production。(See color diagram Three-dimensional warehouse )
2015-02-12 Reading quantity 2812
introduction： 1.Circular hole A die with a circular hole has the following two conditions： (1)Single hole die。This kind of die manufacturing process is relatively simple，The blank is forged、Annealing is followed by turning(Or milling)Tand drill、Boring hole，dup、Leave a suitable grinding allowance at the lower plane and hole；Then the fitter marks the line、Drill all fastening holes、tapping、Reamer hole，Then it is quenched、temper；Grinding on after heat treatment、The lower plane and the shaped hole are ready。 (2)Multi-hole die。Continuous die and composite die in blanking die，The die has a series of round holes，Each hole size and mutual position has high precision requirements，These holes
2015-02-12 Reading quantity 1489
introduction：normal，If used correctlyFAGbearing[FAGbearing:The main shaft bearing is made of a solid inner ring、Outer ring、The ball、And a single row angular contact ball bearing consisting of a cage assembly with a solid window cage。]，Can be used until fatigue life is reached。But there will be accidental premature damage，Incapacitated for use。This early damage，Relative to fatigue life，Is a quality limit called a failure or accident。Many causes are installation、Use、Careless lubrication，A foreign body invading from the outside，Counter axis、The thermal effect of the shell is not sufficiently studied。 With regard toFAGbearing[FAGbearing:Spindle shaft
2015-02-12 Reading quantity 1493
introduction：If selectedTIMKENbearing[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。]The limit speed of rotational speed can not meet the requirements of use，It can be improved by some improved technical measures，To achieve more satisfactory requirements。Such as increase bearing tolerance level;Increase the clearance appropriately;Use of special materials and improve the structure of the cage;Change the lubrication method，
2015-02-12 Reading quantity 1596
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