Piranti heliks iki ditrapake ing peralatan pertanian.
Mangkene kabeh proses produksi:
1) Bahan baku 8620H utawa 16MnCr5
1) Penempaan
2) Normalisasi pra-panas
3) Nguripake kasar
4) Rampung ngowahi
5) Gear hobbing
6) Heat treat carburizing 58-62HRC
7) Shot blasting
8) OD lan Bore grinding
9) Helical gear grinding
10) Reresik
11) Tandha
12) Paket lan gudang