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introduction：(one)．Types of annealing 1．Full annealing and isothermal annealing Full annealing followed by weight crystallization annealing，Generally referred to as annealing，This annealing is mainly used for the casting of various carbon steel and alloy steel with hypoeutectoid composition，Forgings and hot rolled profiles，It is also sometimes used for welding structures。It is often used as the final heat treatment of some unimportant workpieces，Or as a pre-heat treatment for certain workpieces。 2．Spheroidizing annealing Spheroidizing annealing is mainly used for over-eutectoid carbon steel and alloy tool steel（Such as making cutting tools，Measuring tool，The type of steel used in the mold）。Its main purpose is to reduce hardness，Improve machinability，And prepare for later quenching
2015-03-20 Reading quantity 1548
introduction：Temper hardness of steel（H）Depends on the tempering temperature（T）And the tempering time（t），There is a certain functional relationship between the three，namelyH = f（T，t）。when tIs a fixed value，HandTThere are four types of functional relationships：（1）Linear form；（2）parabola；（3）Power function form；（4）Complex of linear and power functions。Because the latter two types are in use，Calculation and mapping are extremely inconvenient，So in most cases，It is simplified to straight line and parabola，The empirical equation can be expressed as：H = a1 + k1 T H = a2 + k2 T its
2015-03-20 Reading quantity 1605
introduction： The specific production process of the beneficiation production line is as follows： The mined ore is first crushed by a jaw crusher，It is broken to a reasonable fineness and then passed through the elevator、Feed the miner evenly into the ball mill，The ore is crushed by a ball mill、grind。After the ball mill grinding ore fine material into the next process：fractionation。 The spiral classifier relies on the principle that the specific gravity of the solid particles is different and the precipitation rate in the liquid is different，The ore mixture is washed and graded。The washed and graded mineral mixture passes through the magnetic separator，Due to the different magnetic susceptibility of various minerals，
2015-03-20 Reading quantity 2829
introduction：Based onDeviceNetthe1336PlusIIInverter remote monitoring[Abstract> The performance test of inverter speed control system is a very important test index。 This paper is a sub-project under the performance test of inverter speed control system，Designed to incorporate the open industrial networks commonly used in the field of industrial control today——Device network（DeviceNet），Make use ofRockwellThe companys powerful human-machine interface softwareRSView32Perform configuration，Realize remote monitoring of frequency converter。 In this articleA-Bcorporate1336
2015-03-20 Reading quantity 3008
introduction：Active measurement refers to the machining process，The size of the workpiece is always measured by the measuring device，The change of its size is transmitted to the controller at any time，The signal is sent by the controller（coarse-grinding、finishing、Smooth grinding、Signal to size etc）Control the operation of the machine tool。Because it enables the operator to measure the workpiece without stopping，Reduced labor intensity，Improved production efficiency，Reduced scrap rate，At the same time, the workpiece size consistency is higher，It is especially suitable for use in mass production line operations，Such as auto parts、bearing[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）Its a mechanical transmission
2015-03-20 Reading quantity 2847
introduction： Use“Reference display”(Datum Display) Dialog box，A name that can be independent of the base element（tag）Specifies the display state of a single base element。Click“view”(View)>“Display setting”(Display Settings)>“Reference display”(Datum Display)，unpack“Reference display”(Datum Display) Dialog box。 The following baseline display options are available in the dialog box： Datum plane (Datum P
2015-03-20 Reading quantity 2922
introduction： Fengye Mall electromagnetic clutch for you to introduce the performance characteristics of electric forklift Electric forklift is a kind of dual-purpose electric forklift with the function of loading and unloading and short distance transportation of goods，With operating comfort、High stability、Easy to operate、Low noise、pollution-free、Low failure rate，Compact structure，Flexible transport、Easy to operate，Small rotary radius and other characteristics，Widely used in warehousing，Material flow，carry，Et al.。For those there is fire protection、Explosion-proof required site(printshop、Oil depot、quay、storage)More applicable。If fitted pallet、Cargo box、Containerization can be realized。 There are
2015-03-20 Reading quantity 2817
introduction：The multistage vibration mill is specially designed according to the characteristics of plant fibers and is suitable for long fibers and tight fiber bundles、High sugar and high gum material ultrafine grinding processing equipment，This machine can solve the general crusher is difficult to crush the material，High crushing efficiency at the same time、Fine granularity，Suitable for dehydrated melons and fruits、vegetable、Traditional Chinese medicinal materials、Fine pulverization of health food，Also widely used in chemical industry、medicine、fodder、Dye、Non-mining and other industries。 The working principle of the equipment is to use the grinding medium as the impact generated by high frequency vibration、rub、Shear equal force，To achieve the fine crushing of material particles，At the same time, it plays a mixing and dispersing role。
2015-03-20 Reading quantity 2798
introduction： In the use of vehicles，There are often oil leakage failures，It will directly affect the technical performance of the car，Lead oil、Waste of fuel，Power consumption，Affects the cleanliness of the car，Cause environmental pollution。Due to oil spill、The oil inside the machine is reduced，Lead to poor lubrication of parts、undercooling，It will cause early damage to the parts，Even leave a potential accident。 one、The main cause of oil leakage in common vehicles 1.Product quality、Poor material or workmanship；There are problems with the structural design。 2.Improper assembly speed，The mating surface is not clean，Gasket failure、position
2015-03-20 Reading quantity 2926
introduction：one、chipping The operation method of cutting metal with a hand hammer chisel is called chipping。Chipping is used to chisel or cut metal，To achieve the desired shape and size。 Chipping is mainly used for occasions that are not convenient for machining，Such as removing flanges、burr、Split sheet、Chisel oil grooves, etc。This method is rarely used at present。 1. chisel （1）The geometric Angle of the cutting part A chisel is the cutting part、bevel、The stalk and the head are composed of four parts，Its length is about170mmaround，diameter18～
2015-03-20 Reading quantity 2787
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