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introduction： What causes the forklift to think the fault First, the maintenance is poor。Not replaced as required、Add oil or clean the oil filter，Lack of oil or use of bad lubricating oil，Deterioration of lubrication condition、Accelerated wear，The air filter element was not replaced as required，Make it dirty and clogged、Reduced intake，Engine failure，A large amount of dust enters the cylinder，Accelerated cylinder wear，Performance deteriorates。 The second is illegal operation or poor assembly quality。repair、The driver did not strictly follow the operating procedures，Adopt the wrong habits，
2015-03-05 Reading quantity 2898
introduction：INAAngular contact ball 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。]In the course of its use, it shows strong regularity，And repeatability is very good。Normal quality bearing(INAAngular contact ball bearing)At the beginning of use，Vibration and noise are relatively small，But the spectrum is a little scattered，The amplitude is small，Could be due to one in the manufacturing process
2015-03-05 Reading quantity 1572
introduction： one、summarize Microwave vacuum drying equipment is a new type of microwave energy application equipment which combines microwave energy technology with vacuum technology，It has a series of advantages of microwave and vacuum drying，The conventional vacuum drying cycle is overcome、Disadvantages of low efficiency，In the general material drying process，Higher efficiency than conventional methods４～１０times。Has a high dry yield、Of good quality，Low processing cost advantages，Microwave vacuum drying equipment is a collection of electronics、vacuology、mechanics、thermodynamics、Program control science and other disciplines as one of the high-tech products，
2015-03-05 Reading quantity 2800
introduction：Barbity metal,And its called white metal,It is alloys that are used to provide 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。]Surface in simple bearing。1839Nian TayuIsaac·Babbittinvented。The rules are enforced today
2015-03-05 Reading quantity 1485
introduction：For rapid prototyping（RP）andCNCProcessing characteristics are compared，Opinions vary。RPandCNCBoth of their loyal supporters emphasize their favorite advantages of the technology，The understanding of these two technologies is the key to the right choice of machining tools。 For the last 15 years，Significant progress has been made in the reproduction of prototypes。prime，majorityRPTechnology has a clear advantage in terms of speed，However, due to problems in accuracy and material properties，Limiting the further development of technology。Ever sinceRPAfter appearance，Because of the threat of certain competition，CNCWhile speed has improved，also
2015-03-05 Reading quantity 2906
introduction：The new robot structure is very small，It can provide the perfect solution to meet the automation needs of the machining shop，When it is not needed or used，It can also be automatically removed from the job site。 SequoiaAutomation has oneCNCPrecision CNC machining workshop，Secondary and tertiary parts for the automotive industry，They urgently need to reduce production costs、Improve production efficiency and maintain a competitive edge in this industry。In order to better solve these problems faced by the company，The automation level of the two-tray vertical machining center in the companys production shop needs to be increased，design
2015-03-05 Reading quantity 2807
introduction：Unit name address English name Key member Society for manufacturing engineering (Society of Manufacturing Engineers) SME China Forging Association Masheng Road, Hangzhou City, Zhejiang Province8No.8building102room 310012 0571-8066741 -- Li Shengchuan China Forging association North West Third Ring Road, Beijing5No. 100081 010-68465045 010-68465044 Zhu Linbao CAI Yong Chinese Society of Construction Machinery Engineering forging branch Peking
2015-03-05 Reading quantity 2902
introduction： Abstract： Product reverse engineering is a very important design method widely used in product design，The text is based on tradition The concept of reverse engineering is introduced into the forward design，Reasonable and effective application of the presentCax（ Computer aided design system includesCAD，CAM，CAID Etc.）System。This method can accelerate the speed of product design，Greatly shorten the development cycle of new products。The method is verified by an example of automobile design。 keyword：Industrial design；Reverse engineering；Design process New economic era（Or digital economy、
2015-03-05 Reading quantity 2893
introduction： Work out the inside on the workpiece﹑Method of external thread﹐There are mainly two types of cutting and rolling processing。 Brief history The application of the thread principle dates back to BC 220Greek scholar Archimedes created the spiral water lifting tool。A.d.4century﹐The Mediterranean countries began to apply the principle of bolts and nuts to winemaking presses。At that time, the external threads were wound with a rope to a cylindrical bar﹐And then it was carved according to this mark。The internal thread is often used softer
2015-03-05 Reading quantity 2784
introduction： In useTIMKENThrust ball 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。]In the process of，Grease is very critical。if，Stale grease was used，Not only is it ineffective，And it will damage the bearing。 1.Oil flow observation method Take two measuring cups，One of them is waiting to be examined
2015-03-05 Reading quantity 1530
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