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弧线锥齿轮,是指锥齿轮在齿面节线展开后,其齿线是园弧曲线的齿轮,在汽车、拖拉机、机床等工业中广泛应用。它的结构特点: 1.模数由齿大端到小端逐渐减少; 2.螺旋角也由大端到小端逐渐减少; 3.端面压力角α由大端至小端随着螺旋角β_y的变化而相应变化; 这些特点给制造齿轮及其设备带来了复杂性,同时也给锥齿轮的运用者提出了保持调整为正常的啮合状态,如接触区(印痕)的大小和位置要求,不然,将导致早期报废,或磨损,点蚀,或局部折断等。从理论上讲,锥齿轮互相啮合的主、从动轮的凸、凹面,应当是“线共轭”,齿面全部接触,但从实际看,并无必要。由于齿轮制造误差和受载后变形等,将导致“线共
Arc bevel gear, is the bevel gear in the tooth nodular expansion, the tooth line arc curve is a gear in cars, tractors, machine tools and other industries widely used. Its structural features: 1. The modulus gradually decreases from the large end to the small end of the tooth; 2. The helix angle gradually decreases from the large end to the small end; 3. The pressure angle α of the end face increases from the large end to the small end with the helix angle β_y These features have created complications for the manufacture of gears and their equipment, as well as for those users of bevel gears that have been adjusted to normal engagement conditions such as the size and location of the contact area (footprint) Otherwise, it will lead to early scrap, or wear, pitting, or partial breakage. In theory, bevel gear intermeshing the main, driven wheel convex, concave, should be “line conjugate”, the tooth surface all contact, but in reality, it is not necessary. Due to gear manufacturing errors and deformation after loading, will lead to "a total of line