Babban maƙasudin bayanin martaba shi ne don tabbatar da cewa siffar kwane-kwane na waje na zoben piston ya yi daidai da ƙirar matsa lamba.

1. M nika karshen surface: blank tsawo girma = gaban zobe tsawo na yankan diski + m nika izni (0.7-0.8 biyu fayafai)
Yanke diski: tsayin gaban zobe na yankan diski = nisa na mai yankan + 2 × (tsayin zobe bayan tsakiyar niƙa + izinin niƙa na tsakiya);   Nisa na yankan wuka shine 1.8 ~ 2.2, kuma izinin niƙa na tsakiya shine gabaɗaya 0.18 (mai gefe biyu)
2. Fuskar ƙarshen niƙa ta tsakiya: tsayin ƙarewa + izinin ƙarewa; Izinin ƙarewa gabaɗaya shine 0.16 ~ 0.20 (mai gefe biyu)
Ƙarshen fuskar niƙa Semi-ƙarshen: kyakkyawan tsayin niƙa + izinin niƙa mai kyau; Alloy zobe lafiya nika izni kullum daukan 0.03 ~ 0.035 (biyu-gefe); zoben ƙarfe na ductile gabaɗaya yana ɗaukar 0.05 (mai gefe biyu)
3. Ƙare fuskar ƙarshen niƙa: yanke shawarar ko za a sawa da sake niƙa bisa ga fasahar sarrafawa
4. Kwafin mota: tsayin diamita mai tsayi
5. Milling yanke: tsawon yanke
6. M m ciki da'irar: ƙaddarar radial kauri; kyau m ciki da'irar radial kauri + lafiya m da'irar izni + lafiya juya waje da'irar izni. Izinin injina na da'irar ciki mai ban sha'awa da kuma jujjuyawar waje gabaɗaya shine 0.2mm
7. M gyara na budewa: rufaffiyar rata shine gabaɗaya 0.15-0.35, kuma diamita na ciki na ma'aunin zobe shine gabaɗaya φd1 (madaidaicin girman zoben piston) + 0.65
8. Gama juya waje da'ira: da radial kauri na ƙãre substrate + m ciki da'irar izni + m honing izni; lafiya da'irar ciki alawus ne kullum
0.2mm, izinin honing shine gabaɗaya 0.03 ~ 0.05mm. Ƙaddamar da rata mai rufaffiyar: bisa ga girman girman datsa, sanya 0.05 a kan babba da ƙananan tarnaƙi.
9. Fine m ciki da'irar: da radial kauri na ƙãre samfurin-da kauri daga cikin chromium Layer + da honing izni kafin plating; kauri daga cikin chromium Layer an ƙaddara ta hanyar tsari, kuma ba zai iya komawa ga zanen samfurin kawai ba. Ana ba da izinin honing kafin plating gabaɗaya azaman 0.05
10. Chamfering m kwana: kullum 0.2X45 °, manufar shi ne don hana chrome plating daga fadowa kashe chrome.
11. Ƙarshen baki kafin a saka: Tabbatar bisa ga rufaffiyar rata bayan niƙa ta tsakiya, gefen gefe ɗaya na buɗewa shine 0.10
12. Dubawa kafin plating
13. Honing kafin plating: izinin daya gefe shine 0.05
14. Bincika bayyanar kafin plating
15. Chrome plating: ƙãre Chrome plating kauri + honing allowance bayan plating
16. Demagnetization
17. Tsakiyar niƙa buɗewa: An ƙaddara bisa ga girman girman samfurin da aka gama, kuma abin da ake bukata shine tabbatar da cewa akwai iyaka don buɗewa mai kyau, amma ba ma girma ba. Gabaɗaya, gefe ɗaya shine 0.05 ~ 0.10m
18. Honing bayan plating: Unilateral gefe 0.05
19.Duba bayyanar bayan plating
20. Buɗewar niƙa mai kyau: ƙayyade tsayin zobe bisa ga buƙatun zane na samfur
21. Sake niƙa: Ƙayyade tsayin zobe bisa ga buƙatun zanen samfurin
22. Wedge surface na mota: 1.5 daga m da'irar, tushe da'irar tsawo 1.061± 0.01, wedge kwana 7°15′±15′′
23. Niƙa saka tsagi: bisa ga samfurin zane bukatun
24. Oil honing waje da'irar: Oil honing na 10 seconds don tabbatar da rufaffiyar gibi da gefe daya.
25. Fitar da ruwa
26. Laser marking