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異形長齒刀的加工過程原理和優(yōu)勢如下優(yōu)點(diǎn)：
Compared with the axial gear shaving cutter, the radial shaving cutter has the following advantages:
1、加工效率高徑向剃齒由于沒有軸向走刀運(yùn)動(dòng)，只有徑向進(jìn)退運(yùn)動(dòng)所以加工效率比軸向剃齒高1-3倍。
1, processing efficiency high radial shaving because there is no axial knife moving, only the radial forward and backward movement so processing efficiency than the axial gear shaving high 1-3 times.
2、加工質(zhì)量高，可以有效減輕甚至消除齒形中凹現(xiàn)象而且軸向剃齒齒面嚙合屬點(diǎn)嚙合，而且節(jié)圓附近處單對(duì)齒嚙合機(jī)會(huì)大，這樣單對(duì)齒嚙合時(shí)齒面壓強(qiáng)增大，該處切除的余量也比其他部位切除的多，從而造成節(jié)圓附近齒形中凹。而徑向剃齒齒面嚙合為線接觸，所以與普通剃齒相比增大了齒面嚙合進(jìn)給壓力的承載面積，因而可以使剃齒剃除余量大小對(duì)嚙合時(shí)嚙合齒接觸點(diǎn)數(shù)目的變化的敏感度下降，這樣就可以減緩齒形中凹的形成。
2 and high quality of processing, can effectively reduce or even eliminate tooth profile concave phenomenon and axial gear shaving gear meshing is a mesh point and pitch circle near single of tooth meshing opportunity of big, so single pair gear meshing tooth surface pressure increases, the resection margin than other parts of the resection of multiple, resulting in the pitch circle near the tooth profile concave. And radial gear shaving surface meshing line contact, therefore, compared with the conventional shaving increases the tooth surface meshing of feed pressure bearing area, which can make shaving shaving allowance magnitude of meshing tooth meshing contact sensitivity to the change of the number of dropped, so that you can slow down the formation of tooth profile concave.
3、有利于降噪修形齒輪加工
3, is conducive to the processing of noise reduction and repair gear
根據(jù)汽車齒輪的不同用途及要求，為了降低嚙合噪聲，提高承載能力，多數(shù)汽車齒輪采用了特殊的齒形齒向修形——鼓形。對(duì)于軸向剃齒，除需要刀具齒形修形以外，還需剃齒機(jī)軸向運(yùn)動(dòng)機(jī)構(gòu)具有鼓形運(yùn)動(dòng)功能，這樣才能實(shí)現(xiàn)齒向鼓形修形。但由于軸向運(yùn)動(dòng)機(jī)構(gòu)的復(fù)雜性和不穩(wěn)定性，導(dǎo)致軸向剃齒的齒向修形很困難，主要表現(xiàn)為修形鼓形量調(diào)整困難、不穩(wěn)定。而徑向剃齒齒形齒向修形均是通過在剃齒刀齒部修磨時(shí)實(shí)現(xiàn)的，比較容易控制修形量，剃齒過程又比較穩(wěn)定，所以剃后零件修形的穩(wěn)定性比較好。
According to the different uses and requirements of the automobile gear, in order to reduce the meshing noise and improve the carrying capacity, the majority of automobile gear adopts the special gear tooth profile modification. For axial gear shaving, besides the need of tool profile modification, still need to shaving shaft drum motor function to the movement mechanism, so as to achieve tooth crown modification. However, due to the complexity and instability of the axial motion mechanism, it is difficult to form the axial profile of the gear shaving, which is difficult to adjust the shape and adjust the shape of the drum. And the radial shaving gear tooth profile modification is achieved through the shaving cutter teeth grinding, relatively easy to control the amount of repair, shaving process is relatively stable, so the stability of the shape of the part after shaving is relatively good.
4、齒刀耐用度相對(duì)較高
4, shaving knife is relatively high degree of durability
徑向剃齒由于多刃同時(shí)切削，刀具刀刃的磨損比較均勻，與軸向剃齒刀比較，其平均單刃剃除的金屬余量較小，因此磨損較小，耐用度也就相對(duì)較高。
Because of the multi blade cutting, the wear of the cutter blade is relatively uniform, compared with the axial gear shaving cutter, the average single blade shaving of the metal is smaller, so the wear is smaller, and the durability is relatively high.