Si'u mafolafola vili si'usi'u fa'avili vili fa'avili 410 u'amea u'amea countersunk fa'apipi'i oe lava fa'avili vili fa'avili uamea faufau fa'asolo

Afai e mafai ona e malamalama muamua i mea faʻainisinia o sikulima pe a faʻaaogaina, ona sili atu lea ona e faʻaaogaina. O ituaiga fa'a sikulima 'ese'ese e 'ese'ese mea fa'ainisinia, ma o mea fa'ainisinia 'ese'ese e tula'i mai i taimi 'ese'ese e fa'aogaina ai fa'avili.
1, fa'ailoga fa'apipi'i: mana'oga fa'ainisinia
1. Malo maaa: tulaga taua HRC28-38. A'o su'esu'e, ave se vaega 1-2 taimi le lautele fa'atatau mai le si'usi'u. Afai e puupuu tele le umi, e mafai ona faʻapipiʻi muamua ona mafai lea ona fuaina le maaa.
2. Lau'ele'ele ma'a'a: Standard MIN HV450.
3. Carbonized layer: tulaga 4 # -6 #: 0.05-0.18mm, 8 # -12 #: 0.10-0.23mm, 14 #: 0.13-0.28mm. O le autu autu o le carburization o le faʻaleleia o le maaa o luga ma faʻamautinoa le malosi o nifo. Afai e loloto tele le decarburization ma e le lava le carburization, o le malosi o nifo o le a le ausia manaoga, o lona uiga o le a faaleagaina nifo i le taimi o le sikulima i le suega.
4. Torque: Fa'amatalaga masani 4 # 5 # 6 # 7 # 8 # 10 # 12 # 14 # A nifo 14212835455696145AB nifo 142128354565102165.
5. Siu i le su'ega: Fa'avili le fa'avili fa'apipi'i i totonu o se ipu u'amea o lo'o fa'apolopolo pu e su'e ai. E tatau ona fausia e le fa'avili fa'ailoga se filo fa'atusa i totonu o le ipu fa'ata'ita'i, ma e le tatau ona fa'aleagaina pe fa'aleagaina le filo o le fa'ailoga se'ia o'o atoa le filo taper i le ipu su'ega. O le sikulima i le suʻega e naʻo le faʻaogaina o faʻailoga a le tagata lava ia o ituaiga AB, B, BP, ma isi. E tusa ai ma tulafono a le IFI, e tatau ona saunia le ipu faʻataʻitaʻi mai le semi-maaa-maualalo-carbon cold-rolled steel ma le Rockwell hardness o 70-85HRB. O faʻamatalaga masani mo paʻu uʻamea, e aofia ai le mafiafia, o loʻo faʻaalia i le laulau i lalo. O pu o su'ega e tatau ona tu'i pe viliina, ma le fa'apalepale o le ± 0.025mm mo le fa'aigoa fa'atatau (silasila i le laulau i lalo). Fa'amatalaga 6 # 7 # 8 # 10 # 12 # 1/4 mafiafia ipu su'ega (mm) 1.85-1.953.12-3.234.68-4.84 avanoa (mm) ± 0.0252.953.263.454.044.765.50

2, fao puipui laupapa
1. Malo maaa: tulaga masani: HRC24-45.
2. Fa'amata'aga: Tulaga: HV600-800.
3. Laega Carbonized: 4 # -6 # 0.05-0.18mm, 8 # -12 # 0.10-0.23, 14 # 0.13-0.28.
4. Puno'o tikeri: mana'omia e 150-450
5. Su'ega masima: masani MIN 48 itula.
6. Tosi: Fa'amatalaga 6 # 7 # 8 # 10 # Tosi 21283558.
3. vili fa'ai'u sikulima
1. Malo maaa: Tulaga: HRC32-40. O oloa a le matou kamupani ua fa'ata'ita'iina e iai le HRC31.7-39.0.
2. Fa'asagaga ma'a: Tulaga: HV600-700. O oloa a le matou kamupani na fa'ata'ita'iina e tusa ma le HV620.
3. Fa'aulufale: 4 # -6 #: 0.05-0.18mm 8 # -12 #: 0.10-0.23mm