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introduction：1、The main performance index of grease ①Dropping point：Refers to heating under specified conditions，The temperature at which a certain fluidity is reached。It generally determines the operating temperature of the lubricating finger（The drop point is higher than the use of warm discard15~30The degree of） ②penetration：Refers to the test cone at a specified temperature and load5sThe inner free vertical piercing depth into the grease（The unit is1/10mm）。It is a measure of the consistency and hardness of lubrication。 ③Colloidal stability（Oiliness precipitation）：Lubrication under external force refers to the ability to preserve oil in the skeleton of its thickener，Use the amount of oil to determine。When grease
2015-03-10 Reading quantity 1466
introduction： ①7007No.、7008General aviation grease The product is made from lithium stearate soap thickened with diester，It is also prepared with additives such as structure improvement agent and antioxidant。7008No. 2 General aviation grease is added with anti-rust additive。 7007No. 1 general aviation grease has good high and low temperature properties、Colloidal stability、Mechanical stability、Water resistance and low volatility。7008No. 1 General aviation grease in addition to the above properties，It also has excellent corrosion resistance and storage stability。 The product is suitable for aero motor and micro motor rolling
2015-03-10 Reading quantity 1612
introduction：Define the purpose of a custom property，The main purpose is to automatically insert information into the drawing，You can link comment text in the drawing format to custom properties。In the title bar of the drawing、It can be called in the specification table。 invoke（Or link）The method is： with：$PRP:"Custom attribute name"Format calls custom property values in the part file，Such as：$PRP:"designation"; with：$PRPSHEET:"Custom attribute name"Format calls custom property values in the drawing file，Such as：$PRPSHEET:"quantity
2015-03-10 Reading quantity 2942
introduction：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。]Life is subject to temperature in addition、gap、Installation method decision，alsoINABearing quality related，Then there is the proficiency of the operators，Finally, the environment of use。I believe you all know that the most important thing is proficiency，Because if youre skilled，The installation of bearings
2015-03-10 Reading quantity 1603
introduction： The riveted or welded quality of the cage，The main observation is whether the rivet head is offset、skew、slack、Short of meat or“Double eyelids’，Whether the welding position is correct，Solder joints too big or too small，Whether the rolling element is stuck due to poor welding or excessive welding，Pressure slope of some cages、Closing edge，Whether the quality of caulking and gouging is guaranteed，Whether the rolling element can turn freely without falling out of the cage，If these points are not satisfactory，Small causesTIMKENbearing[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）Is in machinery
2015-03-10 Reading quantity 1477
introduction： Static pressureNSKbearing[NSKbearing:Seiko Co., LTD（NSK LTD.）Be established in1916years，It is the first manufacturer to design and produce bearings in Japan。NSKThe function of the bearing fit is to makeNSKThe stationary ring and rotating ring of the bearing are respectively the stationary part of the installation part(Usually a bearing seat)And rotating part(Usually an axis)Solidify together，Thus, the basic tasks of transferring the load in the rotating state and defining the position of the moving system relative to the stationary system are realized。]With its high rotation accuracy、strong、High bearing capacity、No wear、
2015-03-09 Reading quantity 1601
introduction：usual，Consists of two double row tapered roller bearings[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。]Radial and axial support，And one side of the bearing is called a fixed-end bearing，It bears the radial and axial load types of the two fixed axes and the axial displacement relative to the bearing box。The other side will be known as the free end，Radial load only，Axial phase
2015-03-09 Reading quantity 1621
introduction： High temperature 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。]：First and foremost is the ability to withstand the heat。There are many kinds of high temperature bearing，According to different needs，Different environment，Different types of bearings can be installed。 category High temperature bearing from the structure of the process can be divided into：The common structure is resistant to high temperature
2015-03-09 Reading quantity 1565
introduction：Although Chinas explosion-proof electrical products have been developing for so many years，But its structure and quality have hardly changed much。The performance of our products lags behind，It is an indisputable fact。abroad，Many products advanced structure and process let us refresh，Our products havent improved much in decades，Go after the root cause，Because our technology is backward，Backward process equipment and product technology。Many businesses are unwilling to work in craft、Increased investment in tooling and new product development，Be content with the status quo，Others simply dont want to improve their products、Modification and improvement，Only pursue immediate interests。In addition，ours
2015-03-09 Reading quantity 2807
introduction：●What is microwave？ Microwave is a kind of electromagnetic wave。There is no clear limit to the range of wavelengths that microwaves include，It usually refers to decimeter waves、Centimetric wave、Millimeter wave three bands，Which is the wavelength from1mmto1mLeft-right electromagnetic wave。Because of the high frequency of microwaves，So its also called ultra-high frequency electromagnetic waves。 For comparison，The frequency and wavelength ranges of microwave and industrial electricity and radio medium wave broadcasting are listed in the table below。 At present only915MHzand2450MHzBe widely used。There is no suitable high-power industrial equipment in the higher two frequency segments。
2015-03-09 Reading quantity 2934
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