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introduction：1。Occipital position-----The cavity protrudes the sealing part of the parting surface ； 2。Penetration bit-----Vertical direction of front and rear molds（Usually have3-5Exit Angle）The tight part 。 Occipital yesPLIt occurs when a bit jumps，For better sealing（Guard against criticism），So pull it out horizontally。 The one that goes straight down is the piercing，Easy to wear，FITIts a little bit of trouble，It is easy to leak glue from the insertion position and produce a batch front。 So a major principle of mold parting is：Never Pierce anything you can touch。 The face of the long one is occipital，The one on the side is the penetration position。 row-bit------Sliding block
2015-01-27 Reading quantity 2947
introduction： ZSY、ZSZCylindrical gear reducer overview and characteristics、Model number、Specifications and their representation（JB/T8853-2001） summarize This product is in accordance with national standardsJB/T8853-2001The production of external involute helical cylindrical gear reducer。 This product is widely used in metallurgy、mine、hoisting、transport、cement、unit、Chemical engineering、spin、Printing and dyeing、Pharmaceutical and other fields。&nbs
2015-01-27 Reading quantity 2847
introduction： IKOPurpose of bearing lubrication： rollIKOBearing lubrication is intended to be reducedIKOBearing internal friction and wear loss，anti-burning、Its lubricating effect is as follows。 （1）、Reduce friction and wear。 In formationIKObearing[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。]Loop of
2015-01-27 Reading quantity 1473
introduction：Current situation of construction machinery industry Wide variety、Construction machinery with different functions，Widely used in the national economic construction of transportation、Source of energy、Mine agriculture, forestry and water conservancy、Municipal construction and modernization of national defense construction。：Construction machinery manufacturing industry，As an important component of Chinas manufacturing industry，Was once the fastest growing、Economic benefits and product market prospects are good industry，It plays an important role in the entire equipment industry system、Irreplaceable status and role。However, with the deepening and advancement of the market economy and reform and opening up，Especially joinWTOafter，Chinas construction machinery industry will face increasingly fierce competition
2015-01-27 Reading quantity 1479
introduction：maihuhan Submerged arc welding submerged arc welding Method of welding using an arc burning under a flux layer（See picture[Submerged arc welding diagram]）In the welding process,The molten flux produces liquid slag that covers the arc and melts the metal，cover、Clean bath、Stabilizing arc and infiltration of alloying elements。Submerged arc welding is divided into automatic submerged arc welding and semi-automatic submerged arc welding。The former is widely used,The welding current can be reached600～2000Ann，High welding efficiency。Submerged arc welding is a welding method suitable for mass production，Widely used for welding various
2015-01-27 Reading quantity 2818
introduction： 1introduction YZTS140TSLThe high grade road sweeper is used as a substitute for the imported road sweeper，Is the state“Eighth Five-Year plan”Key scientific and technological projects。Side sweep device（One on each side）It is one of the key structures of the car，The schematic diagram of its structure is shown in the figure1As indicated。The side sweep device is used to swing out and withdraw the side sweep arm。When the sweep plate is working, the side sweep arm is swung out；When the sweep disk does not work, the side sweep arm is withdrawn and merged．lock-up，To ensure driving safety，Its principle is shown in the figure2As indicated。The movement of the side sweep device is completed by a hydraulic system，The swing out and back of the side sweep arm is realized by controlling the reciprocating motion of the hydraulic cylinder through the electromagnetic reversing shield
2015-01-27 Reading quantity 2908
introduction：Generating motor for useTIMKENbearing[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 causes of rust are complex，Could beTIMKENBearing rust treatment is not well done，It could also be corrosion caused by moisture，And rust caused by paint mist。Let me explain it in detail。 Insulation used by most motor manufacturers
2015-01-27 Reading quantity 1485
introduction： Claw rotor dry mechanical vacuum pump（Also referred to as claw pump）In the pump housing there are two conjugate meshing claw rotors。Similar to Roots vacuum pump，The rotor is driven by a pair of synchronous high-precision gears and fixed phase。The rotor profile is composed of six cycloids and arcs，There is no contact between the rotors or between the rotor and the pump housing，Leaving tiny gaps。The inlet and outlet of the gas are arranged on the end face of the pump housing，The two rotor end faces are periodically opened and closed，It has the regulating function of the valve。 The whole machine type of claw rotor dry mechanical vacuum pump is divided into vertical and horizontal two kinds。Horizontal construction
2015-01-27 Reading quantity 2910
introduction：Basic principle：When the output speed of the motor is input from the drive shaft，Drive the pinion to rotate，And the small gear drives the big gear，The large gear has more teeth than the small gear，The speed of the big gear is slower than that of the small gear，Then the shaft by the big gear（Output shaft）exportation，Thus play the role of output deceleration。
2015-01-27 Reading quantity 2946
introduction： Friction clutch is a clutch that relies on friction plates to transmit power。Connection and disconnection of the engine flywheel via friction disc，Realize the transmission of car power。It is the oldest type of clutch，Its basically made up of active parts、Driven part、The compression mechanism and the control mechanism are composed of four parts。The main、The driven part and the pressing mechanism are the basic structures to ensure that the clutch is engaged and can drive power，The control mechanism of the clutch is mainly the device that separates the clutch。 The engine flywheel is the driving part of the clutch，A driven disk and a driven hub with a friction plate slide splines with a driven shaft(
2015-01-27 Reading quantity 2850
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