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introduction：When the temperature exceeds300-400℃(Blue brittle zone of steel)，achieve700-800℃when，Deformation resistance will be sharply reduced，Deformation energy is also greatly improved。According to forging performed in different temperature zones，For forging quality and forging process requirements are different，Can be divided into cold forging、Warm forging、Hot forging three forming temperature zones。Originally, there were no strict boundaries for the division of such temperature zones，Generally speaking，Forging in the temperature region of recrystallization is called hot forging，Forging without heating at room temperature is called cold forging。 At low temperature forging，The dimensions of the forgings vary little。in700℃Below forging，Less oxide formation，moreover
2015-01-12 Reading quantity 1452
introduction：(1).Theres an alarm bell ringing． (2).Water wheel mechanical failure light plate bright，Indicating 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。]Temperature The meter temperature rises，Signal relay operation。 (3).Thermometer dial（Expansion thermometer）The black needle overlaps or exceeds the yellow needle。 (4)
2015-01-12 Reading quantity 1549
introduction： The causes of mold cracks are: 1、Insufficient mold rigidity 2、The stress concentration of the corner of the cavity Mold wall thickness design is an important parameter of mold design,Perform strength calculation(Simple tension simple calculation),To ensure the necessary thickness of the mold.In addition,Additional grooves to take advantage of the overall rigidity of the mold. It is easy to produce stress concentration when machining the corners of the die cavity,Cracks are also prone to occur here,So the corner must be processed into a circular cornerRThe shape of solution:The corners of the mold cavity are processed into rounded cornersRthe
2015-01-12 Reading quantity 2892
introduction： South Korea Shinyong Precision Company is a mold design company，Can provide customers with high precision、High performance mold。In the use of MicronHSMandXSMpost-machine，Fast delivery is further achieved、The product has no rework。 Once you lift the phone，Many would agree that South Korea is one of the leaders in manufacturing。In order to strengthen competitiveness，They bring new styles to market every week，To at least secure its market share。So imagine this，How fast do their engineers design and produce their products，In order to respond to the release of new products in a timely manner。 ShinYoungfine
2015-01-12 Reading quantity 2805
introduction：41：What is the assembly sequence of the spherical cans？ a：Install the equatorial belt first，Use this as a baseline to develop towards both ends，This allows its gravity to be supported directly by the foot of the column，Make the sphere easy to position，Good stability。 42：What is the main structure of the vault storage tank composed of？ a：Per tank bottom，Cylindrical tank wall，Spherical tank，Roof composition。 43：Large complex structural parts，How to assemble？ a：Divide the whole into parts，After assembling and welding the components，Then the final assembly。 44：The container depends on the level of the shell structure，Can be divided into what two？ a：Single layer vessel，Multilayer volume
2015-01-12 Reading quantity 2895
introduction： 1、Smooth transmission、Vibration、Low impact and noise，High deceleration ratio，Wide versatility，Can be used with a variety of mechanical equipment。 2、Large transmission ratio can be obtained with single stage transmission，Compact structure，Most types of reducer have good self-locking，Mechanical equipment with braking requirements can save braking devices。 3、The meshing friction loss between worm screw and worm gear tooth surface is large，Therefore, the transmission efficiency is lower than the gear，Easy to heat and high temperature。 4、Higher requirements for lubrication and cooling。 5、Good compatibility，Worm gear and worm are manufactured according to national standards，bearing[bearing:
2015-01-12 Reading quantity 2903
introduction： Although you can install“liberty”All classes ofFAGbearing[FAGbearing:The main shaft bearing is made of a solid inner ring、Outer ring、The ball、And a single row angular contact ball bearing consisting of a cage assembly with a solid window cage。]seal，However, the early failure of oil-free bearings is still there36％Is incorrect grease technique and improper use。Any bearing that is improperly lubricated will inevitably fail to advance in normal life。Mechanical and equipment bearing is usually the most difficult part of the job，No fixed lubrication will be a problem。The situation of manual maintenance，Its not gonna happen，Automatic lubrication system，Can be developed to reach
2015-01-12 Reading quantity 1530
introduction：The hydraulic oil temperature of the electric forklift is too high When the forklift hydraulic oil temperature reaches80℃The above，The coefficient of thermal expansion of hydraulic components is different，The gap between the relative moving elements and the operating state will change abnormally。Gap widening，The oil leak is getting worse；Gap reduction，May occur between components“stick”phenomenon，Make it impossible to move，It will also cause thermal deformation of the machine，Destroy the original accuracy。 In the summer, the working temperature of the hydraulic oil of the electric forklift truck is too high. In the recent period of time, many users have received feedback，This is a common phenomenon of electric forklifts，Also normal
2015-01-12 Reading quantity 2884
introduction：It is becoming increasingly important to check the status of in-operation transfers and prepare a thorough inspection plan in advance。Which again with bearings[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。]Be the center of attention，Because its the most important rotating part of any turnaround，Condition monitoring is an important part of preventive maintenance。Early detection of bearing damage to avoid damage caused by bearing damage
2015-01-12 Reading quantity 1531
introduction：Applicable model： 1、 Centerless grinding machine：M1040，MM1040，WX-036，M1042，MGT1050，M1075（3180），M1075K（3Б180），M1080·M1080G，M10100，M1083，M1084T，MZ10160，BB6，GR-150，M1081（3182），M1083A，RFC-1-200。 2、 External cylindrical grinding machine：MM1312，MB1312，MMB1312，M113（3153M），
2015-01-12 Reading quantity 2818
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