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introduction：tanhuang jiatou Spring chuck spring collet A machine tool attachment that uses the elastic deformation of the claw to center and clamp the workpiece or tool。The spring chuck is usually used in the hole with the spindle of the machine tool。 figure1[Pull in type spring chuck]The typical structure of the spring chuck。The head with an external cone is open axially3Strip or4A long slot of equal sections，Form a gripping claw that can be retracted centrially。The shape of the inner hole can be made into a circle according to the truncated shape of the object、Square or hexagon。The middle part is a thin-walled section，It acts as an elastic deformation。Tail thread，Connected to the pull rod。Spring chuck
2015-03-27 Reading quantity 2857
introduction： With the rapid development of plastic hollow molding technology，PETThe bottle blow molding process is also becoming more and more advanced、practical。Stretch blow molding is such an advanced method、Practical technology。This article focuses on the Japanese Nissei Company-la-One-step blowingPETBottle forming machine as an example to discuss the drawing inPETThe role of the bottle in the blow molding process。 Drawing process The stretching is actually the glass transition temperature of the polymer chain above（Below melting point）Directional action under the action of an external force。The blowing that follows the stretching action is actually a bidirectional stretching action。 Stretching and forming effect
2015-03-27 Reading quantity 2813
introduction： IKObearing[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。]Its a precise mechanical component，There are strict requirements for its storage and safekeeping，The temperature and relative humidity of the storage room must be controlled。Prevent too much temperature change（But seasonal temperature changes have little effect） Storage room should：
2015-03-27 Reading quantity 1582
introduction：3．1General parts mechanical parts processing environmental conditions a）It is processed at room temperature。 b）Indoor illumination≥75IX c）noise≤80dB 3．2Cold stamping working environment： a）It is processed at room temperature；And has good ventilation conditions。 b）Indoor illumination，press，Up.，Vertical and horizontal illuminance between the lower modes≥75IX。 c）noise≤90dB。 3．3Environmental conditions for precision machining： a）Room temperature potential22±5℃。 b）Indoor illumination≥75IX。 c）Room noise≤70dB。
2015-03-27 Reading quantity 2861
introduction：one、Glue dispenser Considering the influence of glue dispenser on circuit board assembly，It is important to carefully evaluate the glue dispenser before purchasing。Here is a list of parameters to consider，The criteria are twofold：Drip requirements and general requirements。 Drip requirements description demand(Give an example) PCBdimension，Maximum and minimum 4x4” ~ 18”x18”(10x10mm ~ 457x457mm) PCBthickness，Maximum and minimum 0.060~0.125”(1.5~3.0mm) Drop zone，Max 17.75x17.75
2015-03-27 Reading quantity 2965
introduction： Electric forklift operating occasions and storage conditions Operating occasion； The forklift is indoors、outdoor、Or indoor and outdoor work，Ambient temperature、humidness、Atmospheric pressure、Whether flammable and explosive, etc； Pavement condition，The maximum slope and ramp length to be crossed if loaded or unloaded，ground、The carrying capacity of floors or freight elevators, etc； Through space，Such as the minimum size of the door（high×wide）、The lowest floor clearance height, etc。 Storage condition；Shelf storage or pile
2015-03-27 Reading quantity 2915
introduction：Grease is 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。]Indispensable in the work，Any imported bearings[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。]The maintenance is inseparable from grease，Someone asked，Is not the more grease
2015-03-27 Reading quantity 1470
introduction： BFSeries of complete equipment for instant noodle production，includeBF3、BF5、BF10、BF12Equal size。The production capacity is respectively3Vanbaw、5Vanbaw、10Vanbaw、12Vanbaw/class，Can produce a variety of fried instant noodles。Digest and absorb Japanese Fuji、Tokyo noodle machine technology，After many refinements、Perfect and improve，High production efficiency、Good finished product quality、Strong process applicability，Is its outstanding advantage，Reach the advanced level of similar products in China。The complete set of equipment mainly includes a liquid supply device、Dough mixer、Curing feeder、Continuous calender、Facial steamer、Quantitative cutting and sorting machine、odorizer、
2015-03-27 Reading quantity 2901
introduction：Noun interpretation:As everyone knows，The starting needs external support，The car starter plays this role。The starter can convert the electric energy of the battery into mechanical energy，Drive engine flywheel rotation to start the engine。Broadly speaking，The starter uses three parts to complete the starting process。A DC motor introduces an electric current from the battery and creates mechanical motion in the drive gear of the starter；The transmission mechanism engages the drive gear into the flywheel tooth ring，At the same time, it can automatically disengage after the engine starts；The on-off of the starter circuit is controlled by an electromagnetic switch。among，The motor is the main part inside the starter
2015-03-27 Reading quantity 2882
introduction：A prismatic gauge with accurate angles (figure1[steely12hedron])。Its measuring surface has good optical reflection performance。The number of measuring surfaces is generally8、12、24and36Etc.,Up to72surface。It is often used to verify Angle measuring tools，For example, optical indexing head、Rotary table、Multi-tooth indexing table, etc，Time of verification,Use autocollimator readings（figure2[Calibration of optical rotary table with polyhedral prism and autocollimator]）。The polyhedral prism is in20century40Dated by the BritishC.O.Taylorson designed it。Bearings are generally used[bearing:bearing（“Bearing”，Japanese person“
2015-03-27 Reading quantity 2822
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