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introduction：What is spring steel？ Spring steel refers to elasticity due to quenching and tempering states，And steel specifically used to make springs and elastic components。The elasticity of steel depends on its ability to elastic deform，That is, within the prescribed limits，The ability of elastic deformation makes it withstand a certain load，No permanent deformation occurs after load removal。Spring steel should have excellent comprehensive properties，Such as mechanical properties（Especially the elastic limit、Strength limit、Yield ratio）、Elastoscopic properties（That is, resistance to hypoelasticity，Also known as anti-relaxation properties）、Fatigue performance、hardenability、Physicochemical properties（heat-resisting、Low temperature resistance、antioxidant、Corrosion resistance）。To meet the above performance requirements，Spring steel has excellent metallurgical quality（High purity and uniformity）、Good surface quality（Strict control of surface defects and decarbonization）、Precise shape and size。 On the basis ofG
2017-06-24 Reading quantity 177
introduction：What is a controller： controller（English name：controller）It refers to changing the wiring of the main circuit or control circuit and changing the resistance value in the circuit to control the start of the motor in accordance with the predetermined sequence、Speed regulation、Master device for braking and reversing。By-program counter、Instruction register、Instruction decoder、The timing generator and the operation controller are composed，It issues commands“Decision-making body”，That is to complete the coordination and command of the entire computer system operation。 Common classification： The controller consists of combinational logic controller and microprogram controller，Both controllers have their strengths and weaknesses。Combinatorial logic controller design is troublesome，Complex structure，Once the design is complete，It cant be modified or expanded，But its fast。Microprogram controller design is convenient，Simple structure，Modification or expansion is convenient，Modify the function of a machi
2017-06-24 Reading quantity 276
introduction：Speed control clutch English name：variable speed clutch Other names：Oil film clutch definition：The speed of the active part is constant，The speed of the driven part of the clutch can be stepless speed regulation through the action of the oil film。Applied discipline：Mechanical engineering（First-level discipline）；Mechanical parts（Secondary subject）；clutch（Tertiary discipline） Clutch is： Control system includes clutch、Brake and control mechanism，It is the control device of the crank connecting rod mechanism，Used to combine or separate motive forces。In the power input，The brake is released first，Clutch recombination；When we cut off the power，Clutch first release，The brake on the brake overcomes the inertia of the crank linkage mechanism，Stop the movement quickly。The clutch and brake work abnormally，Will cause the slider movement out of control，Trigger ram accident。The control system is the focus of the safety inspection。 Clutches are divided into rigid clutches and friction clutches。
2017-06-23 Reading quantity 223
introduction：What is a miniature precision reducer，What is its transmission structure？The main transmission structure is：Planet gear，Sun wheel，Inner gear ring。With high rigidity、High precision（A single stage can do it1Within points）、High transmission efficiency(Single-stage in97%-98%)、High torque/Volume ratio、Lifelong maintenance free and other features。
2017-06-22 Reading quantity 182
introduction：Professionals should know that nodular iron is obtained by spheroidization and inoculation treatment，The mechanical properties of cast iron are effectively improved，In particular, the ductility and toughness are improved，This results in a strength higher than carbon steel。Ductile iron is20A high-strength cast iron material developed in the 1950s，Its comprehensive properties are close to steel，It is based on its excellent performance，Has been successfully used to cast some complex forces，intensity、toughness、Parts requiring high wear resistance。Ductile iron has rapidly developed to be second only to gray iron、Very widely used cast iron materials，Small series to introduce the relevant ductile iron pipe specifications and ductile iron standards。
2017-06-22 Reading quantity 184
introduction：Angle steel shelf features： Mainly by column、Composed of steel laminates Suitable for manual access to lighter cargo，Can be combined with plastic turnover box to store a variety of small products，Widely used in electronics industry and small parts warehouse，The anti-static function can be achieved by changing the spray powder or laying special rubber sheets，Low cost、Safe and reliable、assemble、Easy disassembly features、Can be used separately，It can also be freely spliced into various arrangements。The addition of universal wheel mechanism at the foot can even realize the transfer function。The top and bottom layers of the shelf are connected with the column with double corner codes and screws,Secure the shelf。Steel laminates by Japanese standardspccThe cold plate is bent on four sides to the desired size，The following is the form of welded concave reinforcement，Spot welding is used for welding，This structure is material saving、Good bearing capacity、Features smooth surface。
2017-06-22 Reading quantity 141
introduction：Mitsubishif700Frequency converter characteristics： 1、Power range：0.75~630KW 2、Simple flux vector control，realize3HzWhen the output torque reaches120% 3、Adopt the best excitation control mode，Achieve more energy efficient operation 4、built-inPID，Frequency changer/Power frequency switching and multi-pump cycle operation can be realized 5、Built-in independentRS485Communication port 6、Use long-life components 7、Built-in noise filter（75Kabove） 8、With energy saving monitoring function，Energy saving effect at a glance
2017-06-21 Reading quantity 138
introduction：INALinear plain bearings are linear positioning bearings with infinite stroke length。These linear guidance systems may be miniature slide-guidance systems，PermaglideStraight plain bearings andPermaglideLinear sliding axis Bearing unit and flat guide system。The miniature slide guidance system includes a guide rail/Sliding block system and maintenance-free sliding layer，PermaglideLinear plain bearing units are a low maintenance installation in light Inside the metal circlePermaglidebushing。The flat guide system is a guide system with very low maintenance requirements for sliding layer on the guide rail。 Introduction to linear bearings： Linear bearing is a linear motion system，Used in combination with linear travel and cylindrical shaft。Due to the bearing ball contact with the bearing jacket point，The steel ball rolls with minimal friction resistance，Therefore, linear bearings have low friction，And relatively stable，Does not vary with bearing speed，Can obtain high sensitivity、Smooth linear motion with high
2017-06-20 Reading quantity 190
introduction：When the bearing is subjected to both radial load and axial load，Rolling element（Steel ball）The force point in contact with the outer ring and the rolling body（Steel ball）The connection to the force point in contact with the inner ring，And bearing radial vertical line is a certain Angle，Such bearings are called angular contact ball bearings。Bearings that can bear radial loads and axial loads in one direction are called single-row angular contact ball bearings（The rolling body is a steel ball）。This bearing rolling element（Steel ball）Only the upper and lower force points。 Four-point angular contact ball bearings can withstand radial loads and two-way axial loads，When bearings bear axial loads in different directions，The force points acting on the rolling element are also different。That is, when an axial load is applied in one direction，There are two stress points，When subjected to axial load in the other direction，There are two stress points different from the previous two stress points。Different forces
2017-06-19 Reading quantity 193
introduction：In order to facilitate everyones selection，Sorted it out for everyone4A gear reduction ratio calculation method，I hope it was helpful，Need to download gear reduction sample Click here to download，Or login Fengye download center download！
2017-06-16 Reading quantity 191
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