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introduction： one outline Heat treatment of metal is to heat the metal workpiece to a suitable temperature in a certain medium，And keep at this temperature for a certain time，A process method of cooling at different speeds。 Metal heat treatment is one of the important processes in mechanical manufacturing，Compared with other processing technologies，Heat treatment generally does not change the shape of the workpiece and the overall chemical composition，But by changing the internal microstructure of the workpiece，Or change the chemical composition of the workpiece surface，Give or improve the performance of the workpiece。It is characterized by improving the intrinsic quality of the workpiece，And this is generally not
2015-04-18 Reading quantity 2730
introduction：Steel is iron、An alloy of carbon and small amounts of other elements。Stainless steel or10.5Corrosion resistant alloy steels with chromium gold content or above are the generic term for these metals。It should be remembered that stainless steel does not mean that this type of steel does not rust or corrode，Its just that its much more resistant to corrosion than alloys without chromium。Except for the chromium metal，Other metallic elements such as nickel、molybdenum、Vanadium can also be added to the alloy to change the properties of the alloy steel，To produce different grades、Stainless steel with different properties。For different purposes and places of application，Carefully select the tool made of stainless steel with the most suitable performance，For your particular job
2015-04-18 Reading quantity 2801
introduction：1，KOYOImported 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。]The cleaning of Remove lower inlet 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。]During overhaul，First record the bearing appearance，Confirm residual lubricant，Lubrication for sampling inspection
2015-04-18 Reading quantity 1447
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。]There are many types and brands of greases，There are many kinds of classification methods，Some are classified by base oil composition，If divided into petroleum base grease and synthetic oil grease；Some are classified by use，If divided into anti-friction grease，Protective grease and sealing grease；Some are classified according to a certain characteristic of the grease，Such as
2015-04-18 Reading quantity 1552
introduction： CODE：00180 Device name：Horizontal broaching machine Type specification：tension≥700kN Unit of measurement：Taiwan Main parameter content Internationally advanced
2015-04-18 Reading quantity 2800
introduction： A length measuring tool that uses gravity phenomena to measure tiny angles。In addition to measuring the straightness of the guide rail of the machine tool or other equipment and the flatness of the workpiece plane﹐It is also commonly used to verify the correct horizontal and vertical position when installing machine tools or other equipment。Levelers are mainly divided into two categories: levelling bubble levelers and electronic levelers。 Bubble level General name level﹐Also divided into fitters level﹑Frame level﹑Congruent level, etc(figure1 Bubble level )。Level bubble is one
2015-04-17 Reading quantity 2884
introduction：one、Applicable model： 1、Single column jig borer：T4132A、T4145、T4163（2450）。 2、Double column jig borer：KP-450、T4263、T42100（8P），OPCO-80VH。 one、 Conscientiously implement《General process code for precision machine tools》Relevant provisions。 two、 Conscientiously implement the following supplementary provisions： 1、 The working temperature of the workshop should be stable at20°С±1°СWithin the scope of，If you want to check the accuracy of the coordinates should be controlled in20°С±0.5°СWithin the，The temperature does not reach or exceed the stop
2015-04-17 Reading quantity 2786
introduction：1、The assembly site must be kept clean。SKFbearing[SKFbearing:SKFThe full name is“Svenska Kullager-Fabriken”The Chinese transliterated name is“SKF”；SKFThe group is headquartered in Gothenburg, Sweden，Is a leader in bearing technology and manufacturing。SKFBearings can be divided into sliding according to different specific structures and similarities and differences in working propertiesSKFBearing and rollingSKFbearing]Operation and service life are critical，Bearings should be protected from dust、Pollutants and moisture—Pollutant pair。 2、Check the bearing seat hole and the mating surface on the shaft，geometrically
2015-04-17 Reading quantity 1468
introduction： one. Flow streak Rhymes are often produced by bubbles in the melt，The bubbles come from moisture、Trapped gases and cracking gases。Proper pre-drying avoids runlines associated with moisture and humidity。（Fritch.L., “Injection Molding ABS for Properties of Weld Line in Injection Molded Thermoplastics” SPE ANTEC Papers）Wrong screw design、Too small screw back pressure、big
2015-04-17 Reading quantity 2816
introduction：luowen mochuang Thread grinder thread grinding machine A thread machining machine that uses a formed wheel as a grinding tool to process precision threads。Thread grinding machines are mainly used in machine manufacturing workshops and tool workshops，It is most commonly used in workshops producing thread machining tools and thread gauges in tool factories and measuring tool factories。There are many types of commonly used thread grinding machines。 Universal thread grinder machine layout is similar to the cylindrical grinder。The table moves on the bed，Make longitudinal feed motion（Sighting machine）。Wheel rack for cross
2015-04-17 Reading quantity 2805
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