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introduction： A series of technical preparations made by an enterprise before a new or improved product is put into production。The task of this work is to ensure the production of advanced structures in a short time with less cost﹑Good performance﹑Products that meet the needs of society﹔Timely product and technology updates﹐Ensure that enterprises continue to increase the variety of products﹑Improve product quality﹑Improve production efficiency and reduce costs。Technical preparation work usually starts from the direction of the selected product﹑Determine product design principles and technical design
2015-02-08 Reading quantity 2901
introduction： KOYObearing[KOYObearing:kOYOBearings are generally required to bear large loads，Often without a cage，Instead, fill the inner and outer raceways with rolling elements。And most small and medium-sizedKOYORolling bearings are equipped with retainers。 inKOYOBearing in the processing process，The outer ring of the bearing、Inner ring、How do the roller and cage fit together。]Its a mass production of mechanical parts，And the manufacturing accuracy requirements are very strict，Therefore, for the vast majority of easy to buy bearing varieties，It should be more cost-effective to buy than to repair，Only in the following cases，Only consider the repair of bearings
2015-02-08 Reading quantity 1581
introduction：1 The working principle of the reducer The reducer is a relatively precise machine，The purpose of using it is to reduce the speed， Increase torque？。 Speed ratio=Motor output revolution÷Speed reducer output revolution ("Speed ratio"Also known as"Gear ratio") 1.Know motor power and speed ratio and service coefficient，Find the reducer torque as follows type：Reducer torque=9550×Motor power÷Motor power input revolution×Speed ratio×Service coefficient 2.Know the torque and speed of reducer output and service factor，The following formula is used to find the required motor power of the reducer：Motor power=torque÷9550×Motor power delivery
2015-02-08 Reading quantity 2962
introduction： 0 lead said Sheet metal parts are widely used in electromechanical applications、Light industry、Parts for automotive and other industries，Traditional production methods in the past，Due to long period、Low efficiency、Poor quality and other shortcomings have become increasingly unsuitable for modern design requirements，To overcome these drawbacks，People have developed some advancedＣＡＤSystem，Such asＰａｒａｍｅｔｒｉｃＴｅｃｈｎｏｌｏｇcorporateＰｒｏＳＨＥＥＴＭＥＴＡＬ、ＩｎｔｅｇｒａｐｈcorporationＦｌａｔＰａｔｔｅｒｎａｎｄＮｅｓｔｉｎｇEtc.，These specialized sheet metal parts are designed
2015-02-08 Reading quantity 2900
introduction： Product use precautions： Stainless steel is fundamentally different from carbon steel，Stainless steel has good ductility，Improper use will lead to screw and nut can not be unscrewed。colloquially“Dead locking”or“Bite to death”。 The improvement of locking can be mainly considered from the following aspects： 1．Choose the right product： （1）Before use, confirm whether the mechanical properties of the product can meet the requirements of use（Such as the tensile strength of the bolt and the safety load of the nut）； （2）Bolt length selection should be appropriate，Tighten to expose nuts1-2Per tooth pitch。
2015-02-08 Reading quantity 2894
introduction：［Scope of application］ Suitable for low material temperature，In particular, the drying of heat-respite materials。The product has good dispersion、Fluidity and solubility。Widely used in chemical industry、petrification、Light industry、food、medicine、Building materials、ceramic、Drying requirements of forestry and other departments。 ［Principle and characteristics］ The air is converted into hot air by the heater and enters the device，The hot air distributor at the top of the drying chamber evenly enters the drying chamber，And spin in a spiral。At the same time, the feed liquid is sent to the centrifugal atomizer at the top of the drying chamber，Spray into tiny mist droplets，Make the liquid and hot air flow contact，Quickly evaporates the water and dries it into a finished product
2015-02-08 Reading quantity 2893
introduction：Applicable model： 1、 Mechanical slotting machine：B516（7417），B516K，B5020（7420），B5032。 2、 Hydraulic slotting machine：B540，7430，B5050，（7450）。 one、 Conscientiously implement《General operating rules for metal cutting machine tools》Relevant provisions。 two、 Implement the following general requirements for slotting machines： 1、 The length of the tool bar is selected correctly according to the machining part of the workpiece，Adjust the plug travel，Collision prevention。 2、 Loading and unloading heavier fixtures，Must be handled with care，Prevent damage to the work surface。 3
2015-02-08 Reading quantity 2909
introduction：141：What is expansion joint？ a：The connection is sealed and fastened by the deformation of pipe and tube plate。 142：What is the purpose of calculating blanking force？ a：For reasonable choice of equipment capacity and mold design。 143：What method can be used to reduce blanking force？ a：Inclined edge punching die；Step die；Heating die。 144：What is the purpose of calculating bending forces？ a：To select the bending press and design the die。 145：What content is included in the degree of tensile deformation？ a：include：Stick degree；The process by which a material is stretched to allow deformation
2015-02-08 Reading quantity 2905
introduction：Cross roller 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。]，They have rollers between the inner wheel and the outer wheel，Interleaved at right angles to each other。They can withstand loads from all directions at once(axially、Thrust or momentum load, etc)。Because the roller is in current contact with the track surface，therefore，The possibility of bearing elastic deformation under load
2015-02-08 Reading quantity 1587
introduction：six．Moment of force、Load and life 1.Starting torquestartingtorque Make a 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。]The torque required for a ferrule or washer to begin rotating with respect to another fixed ferrule or washer。
2015-02-08 Reading quantity 1558
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