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introduction：It is very important for Yintai linear guide to choose the appropriate clearance。Vibration and shock caused by reciprocating motion are usually considered，Selective negative gap(Prepressure is applied)，It can have a considerable impact on service life and accuracy。General rolling linear guide clearance，All were adjusted according to regulations before delivery，Therefore, no further prepressure adjustment is required。prepressure(preload)Is pre-applied to the rolling element(Steel ball、roller)On the internal load，The function is to increase the rigidity of the slider。The roller guide is a compact structure、Bearing system with high rigidity。It is equipped with needle roller bearings，It can be used as a CAM disc and a guide roller for linear motion。Because the outer ring mating surface is in direct contact with the rotating motion at the same time，Designed to withstand impact loads。Needle roller with precision retainer inside outer ring，This prevents the product from falling on its side，To achieve its excellent r
2018-11-30 Reading quantity 1066
introduction：withplcThe constant development of technology，PLCThe range of applications is increasingly wide，So that todays electrical engineering technicians in the design of electrical control systems，There will be more opportunities to consider optionsPLCControls。In the traditional relay-Contactor control system and automatic control systemplc、Microcomputer control system of these three control modes，Which one is more appropriate，This needs to be technically applicable、The economic rationality is compared and demonstrated in all aspects。
2018-11-29 Reading quantity 454
introduction：There is more than one type of linear optical axis，More commonly used are chrome-plated optical shafts、Non-chrome-plated stainless steel optical shaft and standard optical shaft three，These three types of linear optical axes are not only different in surface treatment，And their parameters are different。 The first thing you see is a chrome-plated optical shaft，Its hardness isHRC60°±2°，The depth of the hardened layer is usually0.8-3mm，In general, the surface roughness is reached0.10μm-0.35μm。Since its a straight optical axis，And definitely pay attention to the true straightness of the shaft，Usually is70μm/1000mmbelow。
2018-11-28 Reading quantity 404
introduction：Linear bearings are metal products，As we all know, metal equipment may rust if it is improperly maintained or used。The bearing product is used as equipment that needs to work in mechanical equipment，If there is rust, it can no longer work normally，Therefore, there are still many users concerned about the rust prevention knowledge of linear bearing equipment。In fact，High quality bearing products have a fixed rust prevention period，That is to say, during this period of time, the product will not rust。
2018-11-27 Reading quantity 224
introduction：Mechanical engineers should know that ball screw is a precise transmission element，Now a lot of industry、It can be seen in the automation industry，It can almost be said that the use of ball screw Its everywhere，Because of its high rigidity、Zero clearance、synchronism、High sensitivity、Simple maintenance、Long life and other advantages，Very suitable for a variety of industrial automation production equipment requirements。
2018-11-26 Reading quantity 780
introduction：For most engineering applications，Choosing the right test tool will have a great impact on the test results。This article will help readers choose the correct acceleration sensor。Lets start with the classification and principle of sensors。
2018-11-26 Reading quantity 210
introduction：Proximity sensor is one of the most widely used sensors，Especially in some mechanical equipment, the proximity sensor application is quite extensive。In the general industrial production site，Eddy current access switches and capacitive access switches are usually used。Due to the low environmental requirements of these two proximity switches。
2018-11-23 Reading quantity 226
introduction：There are many kinds of transformers，According to its use、structure、Phase number、The cooling method is different to classify。 1、 Classification by use：Active power transformer、Special transformer（Electric furnace transformer、Commutating transformer、Power frequency test transformer、Pressure regulator、Mining transformer、Audio transformer、Intermediate frequency transformer、High-frequency transformer、Shock transformer、Instrument transformer、Electronic transformer、Electric reactor、transformer）。 2、Classification by structure：There are double winding transformers、Three-winding transformer、Multiwinding transformer、autotransformer。 3、Classification by cooling mode：There is an oil immersed transformer、Dry transformer。 4、Classification by cooling mode：There is a natural cooling type、air-cooled、water-cooled、Forced oil circulation air（water）Cold mode、And water cooling type。 5、Classified by core or coil structure：Core transformer（Insert iron core、CShaped core、Ferrite iron core）、Shell transformer
2018-11-22 Reading quantity 404
introduction：Depends on the requirements of the application，Safety loop voltage is22VACthe，Safety switch withstand voltage and must be greater than this voltage，The current must also be greater than the loop current，And the safety switch should be“Positive disconnect”Contact point。The normal open and close points dont work，Switches are used in chemical plants，The protection level must be greater thanIP65。
2018-11-21 Reading quantity 564
introduction：1、Easy to use； 2、System sensitive and reliable； 3、Safe and durable equipment； 4、Can accurately distinguish owned vehicles、Exotic vehicles and special vehicles； 5、Instantly collect parking fees and other related fees，Increase income；
2018-11-20 Reading quantity 411
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