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introduction：The planetary reducer is known for its small size，High transmission efficiency，Wide deceleration range，The accuracy is much higher，It is widely used in servo、step-by-step、Dc and other transmission systems。Its role is to ensure the premise of precision transmission，It is mainly used to reduce speed, increase torque and reduce load/The moment of inertia ratio of the motor。 Reducer bearing multi-purpose deep groove ball 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，Used to reduce friction during power transmission
2015-03-07 Reading quantity 2898
introduction：Clearance issunthaibearing[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。]An important factor in whether it works properly。Select the rightsunthaiBearing clearance，The load can be distributed reasonably among the rolling elements；Energy limiting axis（Or shell）The axial and radial displacement of the axis to ensure the rotation accuracy of the shaft；makesunthaishaft
2015-03-07 Reading quantity 1459
introduction：（one）Implement the plant safety technical code and the equipment operation procedures。 （1）Check the stamping area for irrelevant workpieces before going to work，Misc.。Check the upper and lower molds after cleaning、Whether the screws are loose，The mold is loose and must be reassembled。 （2）When an abnormal problem is found,Such as abnormal noise and so on。The main power supply must be turned off before troubleshooting or repair。 （3）When closing the mold, it should be stopped when the flywheel stops running，Manually check the first to second stamping stroke when the mold is closed，No error can be turned on。 （4）Items must be placed in strict accordance with the requirements，Do not place randomly。If the upper and lower molds are out of position or
2015-03-07 Reading quantity 1546
introduction： A process performance test that determines how easily a material is machined to a certain dimensional accuracy and to a certain surface quality。It is usually measured by the highest cutting speed under a certain tool life。For finishing﹐It is also necessary to increase the machining accuracy and surface quality indicators。Sometimes also to cutting power﹑The cutting force or chip breaking is measured。 The relationship between tool life and cutting speed is mainly according to the figure Tool wear curve Wear curve test method in the evaluation。 At the specified cutting depth
2015-03-07 Reading quantity 2801
introduction： The technique of lost mold casting is to bond the foamed plastic models which are similar in size and shape to the casting into clusters，Brush with refractory coating and dry，Vibration molding buried in dry quartz sand，Pouring liquid metal under certain conditions，Vaporize the model and occupy the model position，Method of forming the desired casting after solidification and cooling。 For vanishing mold casting，Its called a lot of different things。The main names in China are“Dry sand solid casting”、“ Negative compaction casting”，For shortEPCcast。There are mainly foreign names：Lost Foam Process (U.S.A)、 P0licast P
2015-03-07 Reading quantity 2795
introduction：Whether its turning or milling，In the processing of contour，Programming can be simplified with the tool radius compensation function。When turning，If the false knife tip is used as the knife point，When machining taper or arc，Undercut or overcut will occur。As shown in the figure6-1As indicated。Only the center of the arc that controls the knife tip is used as the knife point，In order to avoid the phenomenon of undercutting and overcutting。 figure1The phenomenon of undercutting and overcutting when controlling the false tip When contour milling is done with an end mill，Because the cutter point is at the intersection of the bottom surface of the milling cutter and the center of rotation，Only when the tool point deviates from the profile by one tool radius，ability
2015-03-07 Reading quantity 2903
introduction：When testing chromium steel and stainless steel asTIMKENbearing[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。]Material when the advantages，And it turns out theyre not just anti-rust。Chromium steel is the most common micro bearing material。Its harder than stainless steel，So the service life is longer。But at higher temperatures，Its performance is not so good。
2015-03-07 Reading quantity 1478
introduction：Applicable model： B6050（735），B665（736），B650，B635，350Mm shaper。 one、 Conscientiously implement《General operating rules for metal cutting machine tools》Relevant provisions。 two、 Carefully implement the following supplementary provisions （one） Do it before work： 1、 Check that the feed ratchet cover is installed correctly、fastness，Strictly prevent loosening during feeding。 2、 Before the empty run test，You should first turn the wheel by hand to move the ram back and forth，After we confirm were in good shape，Remaneuvering operation。 （two） Conscientious at work： 1、 cross
2015-03-07 Reading quantity 2890
introduction： A system that uses a chimney or a mechanical device to exhaust the flue gas from the furnace of an industrial furnace。It is an important condition for the normal use of industrial furnaces to ensure the smooth exhaust of smoke﹐When smoke exhaust is not smooth﹐Furnace pressure rises﹐A large amount of flue gas will escape from the crevices around the furnace and increase the heat loss of the furnace﹐It affects the uniform distribution of air flow in the furnace﹐Reduce furnace temperature uniformity﹐Degraded operating environment。 The smoke exhaust system is composed of a smoke exhaust device that generates a pumping force and a flue that exhausts the smoke。The commonly used smoke exhaust device has a chimney(figure1 Chimney exhaust device )﹑Induced draft fan or jet pipe(figure2 Mechanical smoke exhaust device )Etc.。 A chimney exhausts smoke by flow
2015-03-07 Reading quantity 2803
introduction：one、use This equipment is used for brown rice whitening and white rice polishing，It is used in the process of rice mill。 two、Working principle Brown rice is treated in a white mill“Air blast”、Sand roller and rice knife、Joint rice milling action of convex point rotary screen，Brown rice skin is repeatedly repeated“Edge cutting”and“Scrape away”，It is then ground into white rice that meets the accuracy requirements。 “whitening”Be at“Fluidized bed”ongoing，Full play between the grains“Self-grinding mill”、“Mutual grinding”The friction grinding action，“Rice polishing”and“Scrubbing bran”Work well，The finished product is bright and white，Low bran content。And by absorbing rice bran，It can get even cooler
2015-03-07 Reading quantity 2831
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