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Reaming ratio of taper hole and magnetic field strength of elastic pin gear coupling

Author: Ever-Power Coupling Release Date: 2015-10-22 14:32 Click:
When reaming four taper holes with a taper of 1:10 and a large end of f32mm, the reaming allowance must be correctly selected.If the selection margin is too small, the machining tool marks of the drill hole cannot be removed after reaming, and the surface roughness value of the reaming hole is large.

  When reaming four taper holes with a taper of 1:10 and a large end of f32mm, the reaming allowance must be correctly selected.If the selection margin is too small, the machining tool marks of the drill hole cannot be removed after reaming, and the surface roughness value of the reaming hole is large.
  When the selected reaming allowance is too large, the working load of the reamer will increase, and the reamer will quickly heat up and expand the diameter of the knife, which will also increase the diameter of the reamed hole. Moreover, the reamer is easy to blunt, which will also affect The quality of the reaming hole is the dimensional accuracy and shape accuracy of the hole.
  Under normal circumstances, the relative displacement of the two shafts is unavoidable, but the direction of the equilibrium displacement generated by the shafting transmission under different working conditions, that is, the axial, radial angular direction and the magnitude of the displacement are different.Only the flexible coupling has the performance of compensating the relative displacement of the two shafts. Therefore, a large number of flexible couplings are selected in practical applications.
  The density magnetic field intensity of the drum gear coupling is basically unchanged in the ΔB value.Obviously, where the local hysteresis loop is fixed depends only on the value of ?B for a certain material.If ?B is large enough, the low point of the local hysteresis loop is located at the point Br of the residual magnetic flux density of the most local hysteresis loop.At this time, Br corresponds to the starting point of each input DC pulse, and Bm corresponds to the end of each DC pulse.
  It is understandable that the magnetic flux density will not continue to increase after reaching a large value Bm, because the magnetic flux density and magnetic field strength can be either potential energy or potential energy, and the two can be converted into each other. The process of charging and discharging with the capacitor is very similar.The excitation current of the drum-shaped gear coupling in the primary coil of the transformer drops to zero, and the back electromotive force generated by the primary and secondary coils of the transformer will cause the magnetic flux density to return to a new demagnetization curve 3-4. The residual magnetic flux density Br2; Of course, Br2 is also just another temporary residual value during the change of the magnetic flux density when the transformer core is demagnetized.
  The rest can be deduced by analogy. The third and fourth DC pulse voltages will also increase the magnetic flux density by an increment ΔB, namely:
  ΔB=Bm3-Br2=Bm4-Br3=Bm1-0ΔB为磁通密度增量;只要作用于开关变压器线圈上的脉冲电压的幅度U和脉冲宽度τ不变,则变压器铁芯片的磁化过程就会在磁通密度增量为常数(?B=常数)的条件下进行。
  However, when the amplitude and width of the DC pulse remain unchanged, the increase in magnetic flux density ΔB does not change, which does not mean that the increase in magnetic field strength can be guaranteed to remain unchanged. This is a difference between the magnetic intensity and the magnetic field strength. Important difference.
 

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