1. Fuafuaga fa'atatau mo le lautele o le pu i totonu o le fa'apipi'iina o filo:
Fua fa'atatau: nifo pito i fafo - 1/2 × nifo nifo
Faataitaiga 1: Fuafuaga: M3×0.5＝3-(1/2×0.5)＝2.75mm
M6×1.0＝6－(1/2×1.0)＝5.5mm
Faataitaiga 2: Fuafuaga: M3×0.5＝3-(0.5÷2)＝2.75mm
M6×1.0＝6－(1.0÷2)＝5.5mm
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2. Fa'asologa o le liua mo le ta'iina lautele o uaea a Peretania:
1 inisi = 25.4mm (code)
Faataitaiga 1: (1/4-30)
1/4×25.4＝6.35(lava nifo)
25.4÷30＝0.846 (mamao nifo)
Ona liliu lea o le 1/4-30 i nifo metric e tatau ona: M6.35×0.846
Faaaʻoaʻoga 2: (3/16-32)
3/16×25.4＝4.76 (lava nifo)
25.4÷32＝0.79 (mamao nifo)
Ona liua lea o le 3/16-32 i nifo metric e tatau ona: M4.76×0.79
3. Le fua fa'atatau mo le fa'aliliuina o nifo Peretania i nifo metric:
Numerator ÷ denominator × 25.4 = nifo i fafo lautele (tutusa ma luga)
Faataitaiga 1: (3/8-24)
3 ÷ 8×25.4＝9.525(nofoa i fafo nifo)
25.4÷24＝1.058 (metika leo)
Ona liliu lea o le 3/8-24 i nifo metric e tatau ona: M9.525×1.058
4. Le fua fa'atatau mo le fa'aliliuina o nifo Amerika i nifo metric:
Faaaʻoaʻoga: 6-32
6-32 (0.06+0.013)/code×6＝0.138
0.138×25.4＝3.505 (le lautele pito i fafo ole nifo)
25.4÷32＝0.635 (mamao nifo)
Ona liliu lea o le 6-32 i nifo metric e tatau ona: M3.505×0.635
1. Fuafuaga fa'atatau o pu i totonu lautele:
Ole pito i fafo ole nifo - 1/2 × le maualuga ole nifo e tatau ona:
M3.505－1/2×0.635＝3.19
Ona tatau lea ona 3.19 le lautele totonu ole 6-32
2. Extrusion uaea tapping pu i totonu algorithm:
Fuafuaga fa'atatau faigofie o le lautele o le pu pito i lalo 1:
Nifo pito i fafo - (fofo nifo × 0.4250.475)/code = pito i lalo o le pu
Faataitaiga 1: M6×1.0
M6-(1.0×0.425)=5.575 (maualuga pito pito i lalo ole avanoa)
M6-(1.0×0.475)=5.525(la'ititi)
Fa'ata'ita'iga 2: Fuafuaga fa'atatau faigofie mo le lautele totonu o le pu e tata'i e le uaea tipi:
M6－(1.0×0.85)=5.15 (maualuga)
M6－(1.0×0.95)＝5.05(la'ititi)
M6－(Toeo nifo×0.860.96)/code=matau maualalo
Faataitaiga 3: M6×1.0＝6-1.0＝5.0+0.05＝5.05
5. Fuafuaga faigofie mo le fuafuaina o le lautele pito i fafo o nifo lolomi:
1. Diameter - 0.01 × 0.645 × pitch (manaʻomia le pasi ma taofi)
Fa'ata'ita'iga 1: M3×0.5＝3-0.01×0.645×0.5＝2.58 (umi i fafo)
Fa'ata'ita'iga 2: M6×1.0＝6-0.1×0.645×1.0＝5.25 (diamita i fafo)
6. Fuafuaga fa'atatau mo metric ta'avale nifo: (Fa'atatau nifo atoa)
Fa'ata'ita'iga 1: M3×0.5＝3-0.6495×0.5＝2.68 (umi i fafo a’o le’i liliu)
Fa'ata'ita'iga 2: M6×1.0＝6-0.6495×1.0＝5.35 (umi i fafo a’o le’i liliu)
7. Le loloto o le lautele pito i fafo (diamita i fafo)
O le lautele i fafo ÷ 25.4×Fo'o nifo=O le lautele i fafo a'o le'i fa'apipi'i
Fa'ata'ita'iga: 4.1÷25.4×0.8 (fugalaau pitch)=0.13 E tatau ona 0.13 le loloto o le fa'apipi'i.
8. Fua fa'aliliuga fa'ata mo mea fa'apitoa:
1. Fa'atafafa: diagonal diameter × 1.414 = diagonal diameter
2. Pentagon: Diagonal diameter × 1.2361 = Diagonal diameter
3. Hexagon: Diamita o itu faafeagai × 1.1547 = Diamita o tulimanu faafeagai
Fuafua 2: 1. Fa tulimanu: fa'ata'oto fa'ata'amilo ÷ 0.71 = fa'ata'oto fa'ata'oto
2. Hexagon: diagonal diameter ÷ 0.866 = diagonal diameter
9. Mafiafia o meafaigaluega (naifi tipi):
Mea fa'atagata pito i fafo ÷ 10+0.7 tau fa'atatau
10. Fua fa'atatau ole taper:
Fuafua 1: (Lapo'a le lautele o le ulu - La'ititi la'ititi o le ulu) ÷ (2 × le umi atoa o taper) = Fa'ailoga
E tutusa ma le su'eina o le tau o galuega tau trigonometric
Fuafua 2: Faigofie
(Toe lapoa ulu - Laiti ulu ulu) ÷ 28.7 ÷ Aofa'i umi = Tikeri
Taimi meli: Feb-22-2024
