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What is a bearing?What is the accuracy of bearings？What is the bearing speed？Let me introduce the bearing accuracy and speed to you！ Bearing is an important part of contemporary machinery and equipment。Its main function is to support the mechanical rotating body，Reduce the friction coefficient during its movement，And ensure its rotation accuracy。 According to the friction properties of the moving components，Bearings can be divided into rolling bearings and plain bearings two categories。Among them, rolling bearings have been standardized、serialization，But compared to plain bearings its radial size、High vibration and noise，The price is also higher。 General rolling bearing
We are in the process of using the ball screw，The ball screw slide is usually encountered Not smooth situation。Such a situation can be said to be routine，So when we have a situation like this，How do you deal with it？ 1、The sliding nut moves across the whole lead screw，Check is in the whole trip there are not smooth situation，Or at a certain point there will be a situation of sticking。 2、If it is at a certain point there is a problem，In that way，Carefully check the ball screw in this part，Look at the ball screw groove or external burr or protruding，If neither，It is likely that the screw diameter tolerance of that section is relatively compared
Ball screw to ensure good accuracy and service life，In addition to normal use should pay attention to correct operation、Load and dust protection and other aspects of content，Also note that there must be adequate lubrication。 Because if you dont lubricate enough，Contact with metal can occur，Resulting in increased friction and wear，Cause failure or shorten the life of the situation。 The lubricant usually used by the ball screw，We generally divide into lubricating oil and lubricating paste two kinds。Generally on maintenance，The lubricating paste can increase the dynamic friction torque with the increase of the rotating speed，exceed3-5M/It is better to use oil slide method for time-sharing。
Common methods to identify the quality of imported guide rails： Whether the outer packing is clear：Under normal circumstances, the factory brand has its own special designers to design external packaging，And arrange the production of factories with satisfactory production conditions，Therefore, the packaging is very clear from lines to color blocks，In no uncertain terms。Some of the accessories of imported brands have unique designs specifically designed to protect their intellectual property rights，This will be introduced in detail in the future content）。 Whether the steel seal is clear：in Imported brand body will be printed with brand words、Label etc。Very small font，However, most of the products produced by the factory use steel printing technology
Couplings vary by type，The lubricating grease used is different。Some are lubricated with lubricating oil，Some use grease，It should be analyzed on a case-by-case basis。 Such as，Main coupling for steel mill rolling machine，It is an indispensable part of steel rolling equipment，And its working conditions are extremely harsh。The semi-circular coupling copper sliders work under severe impact loads and extreme pressures（That is, the Angle of deviation of the link is usually greater than120），therefore，The flat and circular surfaces of the sliders can cause severe wear。 In addition，The whole coupling is also subject to dust、Iron scale、The immersion of moisture and heat。evident，here
With the continuous improvement of peoples living standards，The machinery industry also developed rapidly，Do you know the characteristics of the gear motor？Vibration is everything a gear motor is made of、device、Operation maintenance and overhaul often encountered and necessary treatment。Excessive vibration will lead to the destruction of the motors operating volatility、Commutation conditions improved、Parts damage、Motor life extension，Even form a shutdown problem。 So why does it vibrate？What are the main reasons？The following Xiaobian and everyone together to discuss。 Speed motor performance characteristics： 1、Most gear motors are compact，volume
It is generally known that guideways are used in many instruments and different occasions，It is used in different situations，Loads also vary，Im sure you dont know much about the difference，So it is better to learn some professional knowledge，Here are some examples of guide rail series to teach us how to choose the right guide rail series know the difference between the guide rail series selection。 For example, there is a light load according to the size of the load、Ordinary load、Heavy load；Because of space reasons, some occasions are very sensitive to the total height size of the guide rail，Want to have a smaller height。 Therefore, in different occasions, the guide rail is required in a
When the ball screw is used as the active body，The nut will be transformed into a straight line movement according to the lead of the corresponding specification with the rotation Angle of the lead screw，The passive workpiece can be connected by a nut holder and nut，Thus the corresponding linear motion is realized。The ball screw converts the rotary motion into a straight line motion，Or the ideal product for converting linear motion into rotary motion。 Ball screw is the most commonly used transmission element in tool machinery and precision machinery，Its main function is to convert rotational motion into linear motion，Or convert torque into axial repeated force，High precision at the same time、Reversible and efficient features。Due to having a very small motorcycle
The track sound of the bearing and its control method The track sound is when the bearing is running，A smooth continuous sound made by its rolling body rolling on the raceway surface，It is the unique basic sound that occurs in all bearings。 The general bearing sound is the raceway sound plus other sounds。The greater the rigidity of the bearing seat，The lower the sound pressure level of the raceway sound。Such as radial clearance is too small，The sound pressure level and main frequency of raceway sound increase sharply with the decrease of radial clearance。 Bearing fatigue failure is a form of surface failure，The main manifestation is the initiation of fatigue cracks，Expansion and fracture processes，Load failure under alternation
Seat bearing is an indispensable product in the machinery industry，With the development and progress of society，Industrialization and mechanization have been widely used in production and life，The use of seat bearings is becoming more and more extensive，Because anything that turns，Seat bearings are used，Therefore, it is also difficult to achieve a variety of objects without bearings in life。 Bearing with seat mainly plays a supporting and fixing role in machinery，It reduces friction，Its convenience is that the Angle and height of the rotating shaft can be adjusted at will、Small footprint、No need for box support。Should be wide，So in general
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