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introduction：1、Yield point(σs) When a steel or specimen is stretched，When stress exceeds the elastic limit，Even though the stress is no longer increasing，However, obvious plastic deformation of steel or sample still occurs，This phenomenon is called surrender，The minimum stress value of yielding phenomenon is the yield point。 setPsYield pointsExternal force at，FoIs the sectional area of the sample，Yield pointσs=Ps/Fo(MPa)，MPaIts called megapascalsN(Newton)/mm2，(MPa=106Pa，Pa：PASCAL=N/m2)。 2、Yield strength(σ0.2)
2015-01-10 Reading quantity 1557
introduction： Extruder drive features one、Part of extrusion molding equipment An extrusion device is usually composed of a host machine（extruder）、Auxiliary engine and its control system。Usually these components are collectively referred to as extruder units。 1. Host machine An extruder hosts by extruding、drive、The heating and cooling system consists of three parts。The extrusion system is mainly composed of screw and barrel，Is a key part of the extruder；The driving screw plays a role in the transmission system，To ensure that the screw has the required torque and speed during the working process；add
2015-01-10 Reading quantity 2879
introduction：Parting should pay attention to the following aspects： 1、First of all, your modeling is completely consistent with the drawing，Thats the premise； 2、secondly，Whether each side is equipped with a drawing die according to different requirements； 3、Some of the rounded corners have not forgotten to pour； 4、Shrinkage rate is not based on different materials、Different wall thicknesses plus； 5、Modeling has no defects affecting the mold opening。
2015-01-10 Reading quantity 2798
introduction：The advantage of the super clean table is that it is easy to operate，More comfortable，High work efficiency，Short lead time，Power on１０It can be operated in more than minutes，Basically ready to use。In factory production，A lot of vaccination work，When you need to work often and for long periods of time，A super clean table is an ideal device。The super clean table is powered by a three-phase motor，power１４５～２６０Ｗaround，Air is passed through layers of specially made microcellular foam sheets“Super filter”Then blow it out，The formation of continuous dust-free and sterile ultra-clean air laminar flow，Be called“Special air”，It removes greater than０．３μｍThe dust of、
2015-01-10 Reading quantity 2880
introduction： ABS acrylonitrile-butadiene-Styrene copolymer Typical application range: CARS（Instrument board，Tool hatch door，Wheel cover，Mirror box, etc），refrigerator，High-strength tool（Hair dryer，stirrer，Food processor，Lawn mowers, etc），Telephone housing，Typewriter keyboard，Recreational vehicles such as golf carts and jet sledges。 Injection molding process conditions: Drying treatment：ABSThe material is hygroscopic，Require drying prior to processing。The recommended dry condition is80~90CMinimum drying2Hour (s)。The material temperature should be less than0.1%。
2015-01-10 Reading quantity 2886
introduction：The order received by the mold factory is different from that of the general company，The orders we receive for molds are of all kinds，After all, engineers sometimes have limited experience，So with the help ofMOLDFLOWSoftware analysis function，It helps us a lot in designing molds。 Case 1，CLIPdesign： This product is a fixedUDisk retractable clip。As shown in the following picture，The deformation requirement at the mark is strict，The deformation of products produced in the past is often too large here， Our engineers consider setting the predeformation in one direction at the time of mold design，And product deformation cancel each other，To ensure that the product meets the requirements。
2015-01-10 Reading quantity 2812
introduction：There are many kinds of CNC machine tools，CNC machine tools can be classified according to different methods： According to the process can be divided into： CNC lathe、CNC milling machine、CNC drilling machine、CNC grinding machine、CNC boring and milling machine、CNC EDM machine tools、CNC wire cutting machine、CNC gear machining machine、Numerical control press、CNC hydraulic press and other CNC machine tools for various purposes。 According to the type of exercise： 1）Point control CNC machine tool：The numerical control system only controls the exact position of the tool from one point to another，Without controlling the trajectory，The motion between the axes is independent
2015-01-10 Reading quantity 2917
introduction：Reducer inspection and maintenance Different lubricating oils are prohibited from mixing with each other。Oil level plug、The location of the drain plug and ventilator is determined by the installation position。Their relevant positions can be determined by referring to the installation position diagram of the reducer。Check the oil level Cut off the power，Protection against electric shock！Wait for the reducer to cool！ Remove the oil level plug to check if the oil is full。 Install the oil level plug。 Reducer design program one、Design raw materials and data1、Type of prime mover、specification、Rotational speed、power（Or torque）、Starting characteristic、Short-time overload capacity、Moment of inertia, etc。2、Type of working machine、specification、use、Rotational speed、
2015-01-10 Reading quantity 2815
introduction：SKFImported 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 sounds in the inspection items of rolling bearings，Vibration，temperature，Lubrication status，As follows： 1The rolling sound of bearings Use sound equipment of size and sound quality to check the operation of rolling bearings，Bearings are even slightly stripped and otherwise damaged，Abnormal intonation and irregular sound emitted by measuring devices will be distinguished by sound measurement。 2Bearing vibration
2015-01-10 Reading quantity 1575
introduction： 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。]Box installation method and precautions： one、Installation of bearing box： 1、Normal form：Several methods for mounting bearing boxes with clasp rings and fixing plates。Mounting bearings with positioning screws will cause deformation of the bearing jacket，Should try to avoid。
2015-01-10 Reading quantity 1540
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