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 Reduction gear dynamic load factor is generally regarded as the gear mesh stiffness piecewise constant, which will be converted to variable coefficient differential equations with constant coefficients differential equations, and then solve numerical iterative Another method is to simplify the gear mesh stiffness sine or cosine in the form of the function, which will be seen as the system vibration equation or eu-type equations, and then solved numerically, this simplification can not reflect the variation of the stiffness of meshing gears. This article takes piecewise cubic polynomial function to represent the double arc gear meshing stiffness, and thus in solving differential equations of motion of gears, will use a new method for solving that power series method. In the form of power series solutions of differential equations of motion are given gear sweeper gear sales, with its limited item as the approximate solution. Thus, as long as a given computing gear pair geometry conditions, we can obtain the corresponding vibration solution. When the same degree of coincidence, so that the tooth width is narrowed to increase the knife, the quality of the induction gears is reduced, so that the natural frequency of the gear increases. Further, when the diameter of the gear change, to increase the helix angle so that the number of teeth is reduced. Thus at a certain speed gear, a gear mesh frequency is decreased. So that the same critical speed ratio, the different helix angles corresponding to different speeds. Under certain speed dynamic load factor varies with the helix angle is more complex, this time to increase the helix angle of the resonant speed gear greatly increased, and thus lower the helix angle increases in speed can be greatly reduced dynamic load coefficient of gear. From the perspective of reducing the dynamic load factor to consider, should be selected according to the operating speed gear appropriate gear helix angle to avoid the resonance region gears to achieve the best effect of reducing the dynamic load gear. Development of laser surface hardening gear mold mold gear technology laser surface hardening technology is under the NC environment, the use of high energy density of the laser beam and the coating or cladding material for gears or the mold surface treatment to change their organization or component surface, achieve surface transformation strengthening or enhancing restorative techniques. Laser Transformation Hardening of metal materials science called laser transformation hardening, is to use a laser beam scans the workpiece, the workpiece surface quickly warmed to Ac3 above the critical point, the heated layer toy gear professional production at the spot away, due to thermal conduction workpiece matrix the temperature of the sun room into the martensite or bainite zone area, the occurrence of martensitic transformation or bainite transformation complete transformation strengthening process. Phase transformation strengthening process has the advantages of good surface quality can be different according to the different materials, the heat capacity of the workpiece size, and laser process parameters to achieve hardness, strength layer depth control. Technical factors affecting strengthening effect in the conventional heat treatment process, the great changes in the laser phase transformation strengthening the role happened. Gear, game gear wholesale, gaming gear provided by Alamo plastic gears. This information consists of: providing a plastic gear Ltd., Dongguan City, Poplar (www.baiyang88.com), we are business alliance members, the integrity of the whole network of certified suppliers. Feel free to contact us, Contact: Ms Ng