Zida za Helical izi zidagwiritsidwa ntchito mu gearbox ya pulaneti.
Nayi njira yonse yopangira:
1) Zopangira 8620H kapena 16MnCr5
1) Kupanga
2) Pre-kutentha normalizing
3) Kutembenuka moyipa
4) Malizani kutembenuka
5) Kuwotcha zida
6) Kutentha kuchitira carburizing 58-62HRC
7) Kuwombera mfuti
8) OD ndi Bore akupera
9) Helical gear akupera
10) Kuyeretsa
11) Kulemba
12) Phukusi ndi nyumba yosungiramo zinthu