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introduction： Product source Li Yanzhai, an experienced teacher in the purchase of printing equipment, told us，At present, there are three main sources of second-hand printing equipment in the domestic market：First, the equipment eliminated by domestic manufacturers；The second is the obsolete second-hand printing equipment；Third, second-hand printing equipment imported directly from abroad，The main one is Europe、Japan and other countries and regions use mainly brand equipment。abroad，Some enterprises with high requirements for efficiency and quality，The presses are sold off at a discount when they are used enough to pay for themselves，Of course，The governments incentive subsidies will promote the upgrading of equipment for printing enterprises
2015-01-31 Reading quantity 2902
introduction： Taixing city is national“Home of speed reducers”，The development of reducer has a history of thirty years，The city registered enterprises engaged in gear reducer and supporting products389home，2008Annual industry sales50More than 100 million yuan，Account for national sales70%Above share。Since this year，Taixing municipal bureau in accordance with the provincial bureau“Serve the development、Serve the taxpayer、Serve the grassroots”the“three-service”demand，Detailed implementation of service measures，Actively sink into the enterprise，Zero contact with taxpayers，In-depth research reducer industry characteristics，Found that the citys reducer industry exists“Monomer production capacity is small、Insufficient supporting services、innovate
2015-01-31 Reading quantity 2887
introduction： Pollution can also causeTIMKENbearing[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。]Premature failure，Pollution means sand and dust、Metal chips enter the bearing。The main reasons include：Unpack bearing too early before use，Cause pollution；The working environment is not clean during installation，Cause pollution；The working environment of the aligning roller bearing is not clean
2015-01-31 Reading quantity 1438
introduction： Rolling 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。]The processing process of the main parts can be roughly divided into the processing process and the assembly process。among，The main parts are only the four elements of the bearing（Outer ring、Inner ring、Steel ball、cage）。In many bearing companies，To reduce production costs，Improve the efficiency of the company，Not by
2015-01-31 Reading quantity 1540
introduction： The legislation and organization adopted by the State and units to protect the safety and health of workers in the process of work and production﹑A general term for technical measures。 In China﹐In accordance with labor protection legislation﹐Government agencies at all levels﹑Economic sector﹑Enterprise units and their managerial personnel﹐Organizational and technical measures must be taken﹐Build security for workers﹑hygiene﹑Comfortable working conditions﹔Prevention and elimination of injuries and deaths in the process of work﹑Occurrence of occupational poisoning and occupational disease﹔Protect the health of workers
2015-01-31 Reading quantity 2798
introduction： CNC machine tools are generally controlled by a medium、Numerical control device、Servo system and machine body composition。 In order to improve the machining accuracy of the machine tool，A measuring device is added to the system（Thats the dotted line in the figure above），This constitutes a closed-loop control CNC machine block diagram。The open-loop control system works like this：The displacement of the machine table movement will be controlled、Displacement velocity、Displacement direction、Parameters such as displacement trajectory are input to the CNC device of the machine tool through the control medium，The numerical control device calculates the feed pulse sequence according to these parameter instructions（Contain the above4Individual parameter），Then through the servo system
2015-01-30 Reading quantity 1547
introduction：To meet the above opposite 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。]The performance requirements，The following basic performance requirements are proposed for bearing steel materials： 1）High contact fatigue strength， 2）After heat treatment, it should have high hardness or can meet the bearing performance requirements， 3）High wear resistance、
2015-01-30 Reading quantity 1634
introduction： Choice of quenching temperature (1) If the parts of the same steel grade are quenched, the coolant with large cooling capacity is used(Such as water quenching with sodium hydroxide water，Diesel oil for oil quenching)The lower limit of temperature should be taken，Otherwise, the upper limit is taken (2) If the cross-sectional area is large and needs to be quenched, the quenching temperature should be upper limit，It can even be slightly higher，If the cross-sectional area is small，The lower limit should be taken。 (3) The lower limit should be taken for the workpiece that is prone to deformation or quenching crack，In order to prevent deformation and cracking thin carbon steel can be tested quenching oil，Textile mill3m/mBooks are made of quenched oil。(No matter what45Steel orT10steel) (4) Only require surface wear without quenching
2015-01-30 Reading quantity 1548
introduction： Electromagnetic brake installation precautions 1、Please keep the carrier light，Do not use brake 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。]Take on too much stress。 2、About the screws for assembly，Please use spring gold
2015-01-30 Reading quantity 2786
introduction：To produce a reducer in our country 15 Days or so to design the program， 30 About a manufacturing cycle of days， 2 ～ 3 An agreed delivery period of one month，This is a common rule。But now，Just click the mouse for a minute，You can complete the design program；Just put it together in a day，You can complete the manufacturing cycle；As long as 7 Days agreement period，I can close the deal……This is called“ TL Modular combination gear reducer”New design and manufacturing technology，Recently, the Jiangsu Economic and Trade Commission organized experts to evaluate，Confirm its technical parameters and main performance
2015-01-30 Reading quantity 2786
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