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introduction：Roller 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 principle, the lubrication is basically the same as that of other rolling bearings，Nothing butIKOThe working conditions of bearings are harsh，Its working performance can be effectively played to a large extent depends on the lubrication of the bearing。 Bearing lubrication methods mainly include grease lubrication and oil lubrication。
2015-01-05 Reading quantity 1572
introduction： 【Feng Ye mall clutch factory】A brake is a component that has to make movement（Or sports machinery）retard、A device that performs functions such as stopping or holding a stopped state。It is a mechanical part that stops or slows down the moving parts in the machine。brake、brake。The brake mainly consists of a brake frame、The brake part and the control device are composed。Some brakes are also equipped with an automatic adjustment device for brake clearance。In order to reduce the braking torque and structure, inch brakes are usually installed on the high-speed shaft of the equipment，However, large equipment with high security requirements（Such as mine hoist、lift）It should be installed on the low-speed shaft close to the working part of the equipment。
2015-01-05 Reading quantity 2852
introduction：rightTIMKENCross roller 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。]Regular maintenance of equipment、Bearings removed during operation and replacement of peripheral parts are stopped for inspection，The requirements are identified successivelyTIMKENWhether cross roller bearing parts can be used again and record the use of better than bad。 Second bearing raceway surface
2015-01-05 Reading quantity 1518
introduction：Numerical control system is an important part of numerical control machine tool，What kind of CNC system to configure and which CNC functions to choose，All are the concerns of machine tool manufacturers and end users。 The configuration of numerical control system Selection of servo control unit The position control mode of numerical control system Open loop control system：The stepper motor is used as the driving part，No position and velocity feedback devices，So its easy to control，Low price，But their load capacity is small，The position control precision is poor，The feed speed is low，Mainly used for economic numerical control devices； Semi-closed loop and closed loop position control system：Adopt DC or AC servo power
2015-01-05 Reading quantity 2912
introduction：To maintain it in good condition for as long as possibleIKOThe bearings original performance，Must be maintained、overhaul、To prevent accidents before they happen，Ensure the reliability of operation，Increase productivity、economy。Maintain operating standards best suited to the operating conditions of the machinery，Conduct regularly。This includes monitoring operation status、Replace or replace lubricant、Periodic disassembly inspection。As maintenance matters in operation，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
2015-01-05 Reading quantity 1457
introduction： Hydraulic press with water-based liquid as working medium。Hydraulic press in mechanical engineering is mainly used for forging process。It is characterized by﹕Large working travel﹐Maximum working force is applied to the workpiece throughout the stroke﹐Can forge through large forgings more effectively﹐No huge impact or noise﹐The working conditions are good﹐Less environmental pollution。Hydraulic press is especially suitable for forging large and difficult to deform workpieces。Hydraulic press is divided into free forging hydraulic press﹑Hydraulic die forging press﹑Stamping hydraulic press and extrusion hydraulic press, etc。 Free forging
2015-01-05 Reading quantity 2874
introduction： <five>Common form of gate： 1、Pin point gate ① Structural form ② The function of the circular ruler：Increase the cross-sectional area of gate inlet，Cooling rate of truncated melt，Good for feeding。 ③ Multi-cavity mold used（C）Form pin point gate。 ④ When the plastic parts are large，multifeed。 ⑤ When the melt flows through the gate，It is affected by the shear rate，Causing the molecules to be highly oriented，Increase local stress，cracking，The wall thickness of the gate can be increased and the arc transition can be made。 ⑥ The mold adopts three plates（Double parting surface）
2015-01-05 Reading quantity 2825
introduction：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。]precision 1precision The accuracy of rolling bearings is divided into dimensional accuracy and rotating accuracy。Specifications for accuracy，On the basis ofGB/T18254GB/T3073-96Regulation of...。Rolling bearings manufactured by Yuyuan Bearing Manufacturing Co., LTD
2015-01-05 Reading quantity 1413
introduction：1.summarize MAX3867Single power supply、High speed laser diode drive circuit，The transmission rate is up to speed2.5Gbps，Especially suitable forSDH/SONETSystem、duplexer、Digital switching and2.5GbpsOptical transmission system。 MAX3867Internal automatic power control(APC)Closed-loop circuit，It is used to compensate the change of optical output power caused by temperature change and chip aging，Maintain the laser diode output power constant；In addition，There are other auxiliary functions，Such as：Enable control、Soft boot、APCFailure monitoring，Therefore, the application is very flexible and convenient。2.Main performance reference
2015-01-05 Reading quantity 2805
introduction：1，TIMKENbearing[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。]Causes of high temperature： (1).May beTIMKENBearing cooling water is interrupted，pyrogenicity。 (2).May beTIMKENThe oil quality of the bearing deteriorates，The oil itself is not clean or the oil deteriorates during operation。 2，
2015-01-05 Reading quantity 1454
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