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Gear modulus
Time:2015/11/19 16:34:12    Read: Time

齿轮模数

Modulus is to determine the tooth size factor. Gear modulus is defined as a basic parameter modular system teeth, it is used to measure the number of abstract artificial tooth size. The purpose is to standardize gear cutters, reducing costs. Spur, helical and conical mold tooth gear number Jieke reference standard modulus series table. 
 
 With the continuous improvement of the level of industrial development, mass production of customized gear many of them use non-standard modulus, meaning that it has been weakened. 
 
 If a certain number of teeth of the gear, a radial dimension greater the modulus the greater wheel. Modulo series of standards is based on the design, manufacture and inspection requirements established. For gear has a non-straight teeth, modulus have normal module mn, and the axial end surface modulus modulus mx ms difference, they are in their respective pitch (normal pitch, face pitch and shaft Distance to the tooth) ratio of pi, also in millimeters. For bevel gears, there are big-endian modulus modulus me, the average modulus mm and the small end of the modulus m1 points. For the tool, with a corresponding tool modulus mo like. Application of the standard module is very wide. In metric gears, worm drive, synchronous transmission and ratchet gear couplings, spline and other parts, the standard modulus is a basic parameter toothed belt. It said parts of the design, manufacture, maintenance and so acts as a basic parameter. 
 
 Modulus m = pitch diameter d / number of teeth z = Pitch p / pi & pi; 
 
 Seen from the above formula, the basic parameters of the gear is a parameter sub-circle diameter and number of teeth, modulus is set artificially, is a ratio, it is concerned with points scalloped thick, which can measure the size of the tooth, it is a historical product of industrial processes .

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