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introduction：A conveyor for carrying people continuously in a horizontal or slightly inclined direction。Suitable for shopping malls﹑aerodrome﹑Places where people are concentrated, such as stations and docks。Automatic walkways appear in20The beginning of the century。Its structure is similar to an escalator﹐It is mainly composed of two parts: active road surface and handrail。usual﹐The moving surface of the automatic walkway in the case of sloping﹐It doesnt form a ladder﹐General split step type(Similar plate conveyer)And tape type(Similar to belt conveyor)Two kinds of。In order to achieve the purpose of common and economical with the escalator parts﹐The automatic walkway usually adopts the stepped structure and the same handrail structure。Handrails should run synchronously with the active road surface
2015-03-08 Reading quantity 2788
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。]precision Precision grade and division standard of rolling bearing Precision points of rolling bearings（main）Dimensional accuracy and rotation accuracy。Accuracy levels are standardized，Fall into0level、6Xlevel、6level、5level、4level、2Grade six。Accuracy from0Step by step increase，towards
2015-03-07 Reading quantity 1554
introduction：FAGbearing[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。]One revolution、Raceway surface of inner ring and outer ring，Due to the rolling contact with the rolling element，Therefore, the trajectory is dark，The running track attached to the raceway surface is not abnormal，The load conditions can then be determined，So its being removedFAGbearing[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。]In the case of，Please pay close attention to and observe the raceway surface
2015-03-07 Reading quantity 1545
introduction： In modern mechanical cutting processing technology，High-speed cutting is being mentioned more and more，Its technology is already being used，consequent，The first is high-speed machine tools，In that way，What is the difference between high-speed cutting and traditional cutting technology What are the conditions for its realization What are the benefits of implementing it What about its applicability This article will attempt to answer these questions，And as far as possible combined with the worlds leading level of SwitzerlandMIKRONThe structure of the companys machine tools、Analyze by characteristics，It is compared with the traditional machining method and cutting theory which are still widely used in China，Promote high and new technology
2015-03-07 Reading quantity 2793
introduction： The diaphragm coupling compensates for manufacturing errors between the driver and the slave、Installation error、Axial deformation caused by bearing deformation and the influence of temperature rise、Radial and angular migration。Diaphragm coupling is a flexible coupling with metal elastic elements，It relies on a metal coupling diaphragm to connect the main、Transfer torque from the motor，Elastic vibration reduction、noiseless、The advantage of not requiring lubrication，It is the ideal product for replacing gear couplings and general couplings。 The main characteristics of diaphragm couplings 1、Strong ability to compensate two axis misalignment，The angular displacement can be twice as large as that of the gear coupling，The reaction force is small in radial displacement，High flexibility
2015-03-07 Reading quantity 1574
introduction：Plastic injection molds are now the most widely used molds in all plastic molds，Capable of forming complex and high precision plastic products。This article is just a rough introduction。 The design of plastic injection mold must first have a certain understanding of plastics，The main components of plastics are polymers。As we always sayABS The plastic is acrylonitrile、butadiene、Styrene three monomers using emulsion、Bulk or suspension polymerization process，It has the superior performance and moldability of three monomers，It is injected into the mold cavity at a certain temperature and pressure，Flow deformation，Obtain cavity shape，After pressure holding cooling, it is ejected into plastic products。polymeric
2015-03-07 Reading quantity 2790
introduction：On the transmissionTIMKENbearing[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。]Fault phenomenon of：The sound of transmission gears meshing、TIMKENThe running noise of the bearing is too loud；The transmission makes abnormal noise such as dry grinding impact。 reason： rollTIMKENBearing oil shortage（As before the first axisTIMKENbearing
2015-03-07 Reading quantity 1459
introduction：Analysis and preventive measures of ring grinding burn（two） ①Surface grinding Surface work such as grinding a surface on a vertical single-head grinder，In the correct implementation of the code of practice，There are several factors that can cause burns。 a.Sand wheel shaft flutters，Increased instantaneous grinding can cause burns；At this time, the wheel shaft bearing must be tightened[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，It is used to reduce the coefficient of friction in the process of power transmission and maintain the center position of the shaft
2015-03-07 Reading quantity 1455
introduction：China General Machinery Industry Association reduced speed machine branch six six council expansion meeting in2009years9month10—9month14Held in Xining city, Qinghai province。The meeting has a total of26unit34Be represented。Zhang Yubao, secretary-general of China General Machinery Industry Association, attended the meeting and made an important speech。 First of all, Wang Yugang, chairman of the subdivision of the reducer, made an important speech，He said：Since the financial crisis broke out at the end of last year，To our country、The industry and the enterprises have brought unprecedented difficulties。Our industry has also been in crisis for nearly a year，Overcome difficulties，Work hard on inner skills，We will do everything possible to ensure growth，From present form
2015-03-07 Reading quantity 2792
introduction： State-owned Jiangxi electricity factory(Xinyu, Jiangxi 338032) Yang overflow [Abstract]By typical example，analyzeUForm bending、Extrusion of a special structure of the compound die working process。 keyword UMolded part bend extrusion mould 1 Product structure analysis Product picture1As indicated，The material is...SECC，Material thickness1.0mm，UThe lower parts are squeezed together。 2 Die structure design From the product structure analysis，This part cannot be produced with continuous or progressive dies，It can only be produced with single process dies or composite dies，To increase productivity，consider
2015-03-07 Reading quantity 2794
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