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Idler is also known as bridge gear，When everyone was setting up the idler，The right steering relationship must be ensured，To make the idler work。Now everyone and Xiaobian together to see what is the idler，What is the role of the idler？ Idler refers to a gear that plays a transmission role between two transmission gears that do not contact each other，Engage both gears at the same time，Used to change the direction of rotation of the passive gear，Make it the same as the driving gear。It just changes the steering, it doesnt change the gear ratio，Call it idler。An idler is a wheel that does no work，It has a certain energy storage function，It helps the system stability。Idle gear
A needle roller bearing is a roller bearing with a cylindrical roller，When installing needle roller bearings，It is generally carried out using an auxiliary sleeve。The following Xiaobian will understand with you what to pay attention to when using needle roller bearings，How to disassemble needle roller bearings？ The bearing capacity of needle roller is large，Suitable for support structures with limited installation size，The journal surface is hardened as a rolling surface，The bearing is fitted into the seat hole with a press fit，No more axial positioning is required。Bearings should be injected with appropriate grease before installation，Under normal circumstances，No more lubrication after assemblyBKType B bearings are used in bearings without an extended end of the journal，End seal
Nowadays, people are always using various devices in their lives，These devices also facilitate peoples life and work，The bearing is a very common mechanical part，So what are the structural characteristics of tapered roller bearings？Lets learn more about it。 The type code of tapered roller bearings is30000，Tapered roller bearings are separate type bearings。In general，Especially inGB/T307.1-94《Rolling bearing Radial bearing tolerance》Tapered roller bearings in the size range can be used interchangeably between the outer ring and the inner component。 circumferential
The expansion bolt is the most commonly used fastening tool，It is not only very versatile，And the fixation is excellent。Now lets take a look at how to use the expansion bolt with Xiaobian，How does the expansion bolt work？ Fixing principle of expansion screws：The fixing of the expansion screw is to use the angular Angle to promote the expansion to produce friction gripping force，Achieve fixed effect。One end of the screw is a thread，One end has vertebrae。The outer bread is a steel crust，One half of the tin cylinder has several notches，Shove them together into the hole made in the wall，Second lock nut，The nut pulls the screw outward，Pull the vertebrae into the steel cylinder，
Outer spherical bearing with seat selection points The correct selection of outer spherical bearings with seat，For the performance of the bearing，To achieve the normal operation of the host is an important link。From a variety of bearings and bearing housings, the selection of suitable spherical bearing models with seats that meet the requirements of the host should consider the following factors。 （1）The structure of the machine itself requires support； （2）Installation site space and shaft size； （3）The load on the bearing（size、direction、nature）； （4）Bearing life and reliability requirements； （5）Working speed（height、
What is industrial aluminum？I believe most people hear this word will be very strange，But its all around us all the time，Industrial aluminum profile is an alloy material with aluminum as the main component，Aluminum rod through hot melt，Aluminum materials with different cross-section shapes are obtained by extrusion，But when added the proportion of alloy is different，The mechanical properties and application fields of the industrial aluminum profiles produced are also different。Field of application Generally speaking，Industrial aluminum profiles refer to building doors and Windows、Curtain wall、All aluminum profiles other than aluminum profiles for interior and exterior decoration and building structures。 Industrial aluminum profiles can also be called industrial aluminum profiles，operational
The gear motor is characterized by high efficiency and reliability，Long working life，Easy maintenance，Widely used。Its series can be divided into a single level、Two - and three-stage geared motors，The installation layout is mainly open、Coaxial and shunt。 1、Two stage cylindrical gear motor expansion inside，The gear is not symmetrical with respect to the support position，When the shaft is bent and twisted，The load is not evenly distributed across the tooth width，Therefore, the shaft should be designed with high stiffness，And keep the gear away from the input or output end。 2、Two-stage cylindrical gear motor shunt type characteristics：The position of the overhang shaft of the shunt gear motor can be determined by
Linear guide rails are used for linear reciprocating motion，Has a higher load rating than linear bearings，At the same time can withstand a certain amount of torque，High precision linear motion can be achieved under high loads。 The function of linear guide rail is to support and guide the moving parts to do reciprocating linear movement in the specified direction，The friction of linear moving guide rail can be divided into sliding friction guide rail、Rolling friction guide、Elastic friction guide、Fluid friction guideway, etc，Linear guide rails are mainly used in mechanical structures with high precision requirements。 Linear guide rail is one of the core components of the equipment，Its function is to guide and support。To ensure that the machine has a higher
The screw is a mechanical transmission device，Usually by screw、Nuts and supporting parts，Widely used in various mechanical equipment、Welding equipment、Automated production line、Motion control systems and other fields。The importance of screw selection is self-evident，Several factors need to be considered in the selection process，Including transmission efficiency、precision、load、Rotational speed、Stiffness scheduling。This article will introduce all aspects of screw selection in detail，To help readers better choose the screw that suits their needs。 one、Transmission efficiency Transmission efficiency refers to the ratio of the power transmitted by the screw to the input power，Usually expressed as a percentage。Lead screw
If we just talk about the production process，From materials to heat treatment processes，From processing and manufacturing to assembly and packaging，The entire bearing production process，All over the country，The degree of automation is also quite high。But the key to making bearings is not to make an image，Its about having good precision、Carrying capacity and life。Engineers who have actually assembled bearings know that，If you want the bearing to run well，The most important thing is to control the bearing clearance。 Bearing clearance is the clearance between the bearing rolling element and the bearing inner and outer ring housing。The so-called bearing clearance，That is, when the bearing is not installed in the shaft or bearing box，Fasten one of its inner or outer rings，Then make the bearing swim
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