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introduction：Use different photoelectric switches in different occasions，For example, optical fiber photoelectric switches are often used on electromagnetic vibration feeders，In the supply of the packaging film of the intermittent packaging machine, the diffuse reflection photoelectric switch is often used，Trough type photoelectric switches are often used in continuous high speed packaging machines。
2015-03-26 Reading quantity 2955
introduction：one、 Working conditions and material and heat treatment requirements 1.Conditions: Low speed、Lightweight and shock-proof demand: HT200 HT250 HT300 Stress relief annealing 2.Conditions: Low speed(＜1m/s)、underload,Such as lathe slide gear, etc demand: 45 tempering,HB200-250 3.Conditions: Low speed、Medium load,Such as the standard series reducer gear demand: 45 40Cr 40MnB (5042MnVB) tempering,HB220-250 Y 4.Conditions: Low speed、Heavy load、shockless,Such as machine tool headstock gear demand: 40Cr(42MnVB) quench Moderate tempering HRC40-45 5.Conditions: Moderate speed、Medium load,No shock,Such as machine tool headstock gear
2015-05-15 Reading quantity 1862
introduction：A gear drive in which the axis of one or more gears rotates around the fixed axis of another gear(See picture Planetary gearing)。Planet gear bothcTurn on its own axis﹐And then rotate with the planetary frame around the fixed axis。Sun wheela﹑Planetary frame and inner gearbAll can be rotated around a common fixed axis﹐And can be connected with other components to withstand external torque﹐They are the three basic parts of this gear train。If none of the three are fixed﹐To determine the motion of the mechanism, it is necessary to give the angular velocity of the two members﹐This type of transmission is called differential gear train﹔If fixed inside gearbSolar wheela﹐It is called planetary gear train。Usually these two kinds of gear train are called planetary gear drive。
2015-05-27 Reading quantity 3274
introduction：Since the20century80Since the end of decade，There have been many documented examples of hard turning replacing grinding。Such as low cost per piece、Advantages such as process flexibility and environmental protection are often used to justify the use of hard turning。Hard turning continues to grow at an impressive double digit rate。In the majority“world-class”In manufacturing organization，Hard turning has been accepted and implemented in one form or another。 As an accepted processing technique，Progress in hard turning is expected to be consistent with all other processing processes。To stay competitive，Pressure is constantly being exerted on production to reduce the total cost per part。So high productivity processing is nowPCBNThe driving force of tool development。 This article looks at tool ideas such as plugging and polishing techniques and reveals opportunities for both ideas。pass
2015-06-19 Reading quantity 3244
introduction：A mechanical transmission in which the teeth of a gear mesh to transmit power and motion between shafts。Gear drive is widely used﹐It is characterized by its compact structure﹐High efficiency﹐Long life﹐Work reliably﹐The transmission ratio is accurate﹔However, the manufacturing accuracy and installation accuracy are required﹐Otherwise, it will be noisy.﹐Gear load capacity will be reduced。 sort Gear drives can be classified according to the relative position of their axes﹐See the diagram for details1 Gear drive Sum table Gear drives are classified by axis relative position 。
2015-06-30 Reading quantity 2964
introduction：Why does the clutch slip 1、Clutch compression spring is broken or aged soft,Reduce the pressure of the platen,Friction reduction,The ability to transmit torque is reduced,When the load is slightly increased,The clutch will slip。
2014-11-27 Reading quantity 3190
introduction：How does the clutch work，Clutch workflow 1、Can do the separation，Complete separation，Soft in joint，And has a good heat dissipation capacity。
2014-11-27 Reading quantity 3028
introduction：At present, the friction clutch with spring pressing is widely used in the automobile。The friction between the contact surface of the active part and the driven part of the clutch，Or use liquid as a transmission medium(Hydraulic coupler)，Or a magnetic drive(Electromagnetic clutch)To transmit torque，To allow a temporary separation between the two，It can be gradually joined，In the transmission process, two parts are allowed to rotate each other。
2014-11-27 Reading quantity 2985
introduction：Electromagnetic clutches can be divided into：Dry single disc electromagnetic clutch，Dry multi-disc electromagnetic clutch，Wet multi-disc electromagnetic clutch，Magnetic powder clutch，Slip type electromagnetic clutch, etc。Electromagnetic clutch working mode can be divided into：Power bond and power bond。
2014-11-28 Reading quantity 3106
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