Perbandingan Material yang Digunakan pada Roda Gigi

Material

(1)

Kondisi/sifat

(2)

Tingkat Kekerasan Brinell

(3)

Tegangan tarik minimum N/mm²

(4)

Malleable cast iron(a)       white heart castings, grade B

(b)       black heart castings, grade B

Cast iron

(a) Grade 20

(b) Grade 25

(c) Grade 35

(d) Grade 35

Cast steel

Carbon steel

(a)  0,3% carbon

(b)  0,3% carbon

(c)  0,4% carbon

(d)  0,4% carbon

(e)  0,35% carbon

(f)  0,55% carbon

Carbon chromium steel

(a)     0,4% carbon

(b)     0,55% carbon

Carbon manganese steel

(a)     0,27% carbon

(b)     0,37% carbon

Manganese molybdenum steel

(a)     35 Mn 2 Mo 28

(b)     35 Mn 2 Mo 45

Chromium molybdenum steel

(a)     40 Cr 1 Mo 28

(b)     40 Cr 1 Mo 60

Nickel steel

40 Ni 4 Cr 1

Nickel chromium steel

30 Ni 4 Cr 1 Mo 28

Nickel chromium molybdenum steel

40 Ni 2 Cr 1 Mo 28

Surface hardened steel

(a)   0,4% carbon

steel

(b)  0,55% carbon

steel

(c)     0,55% carbon

chromium steel

(d)     1% chromium

steel

(e)     3% nickel

steel

Case hardened steel

(a)     0,12 to 0,22%

carbon

(b)     3% nickel

(c)     5% nickel steel

 

Phosphor bronze casting

As cast

As cast

As cast

Heat treated

Normalised

Hardened and –tempered

Normalised

Hardened and –tempered

Normalised

Hardened and –tempered

Hardened and –tempered

Hardened and –tempered

Hardened and –tempered

Hardened and –tempered

Hardened and –tempered

Hardened and –tempered

Hardened and –tempered

Hardened and –tempered

Hardened and –tempered

Hardened and –tempered

Sand cast

chill cast

centrifugal cast

217 max

149 max

179 min.

197 min.

207 min.

300 min.

145

143

152

152

179

201

223

229

225

170

201

201

229

201

248

229

444

255

145 (core)

460 (case)

200 (core)

520 (case)

250 (core)

500 (case)

500 (case)

200 (core)

300 (case)

650 (case)

200 (core)

600 (case)

250 (core)

600 (case)

60 min.

70 min.

90 min.

280

320

200

250

250

350

550

500

600

580

600

720

700

800

900

600

700

700

800

700

900

800

1540

900

551

708

866

708

708

504

708

866

160

240

260

Tentang arassh

i'm a moslem
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