If you can't read please download the document
3 齿轮的热处理 3.1 齿轮热处理工艺选择 表 35 各种齿轮热处理工艺的硬化效果、强度水平、变形倾向及设备投资比较
-
Upload
haracha
-
View
237
-
Download
19
Embed Size (px)
DESCRIPTION
工艺方法. 硬化层状态. 强度性能. 变形倾向. 设备投资. 层深 mm. 组织. 分布. 残余 应力. 表面硬度. 耐磨性. σ H MPa. σ F MPa. 渗碳 C-N 共渗. 0.4 ～ 2 ＞ 2 ～ 4 ＞ 4 ～ 8 0.2 ～ 1.2. 马氏体 + 碳化物 + 残余奥氏体. 沿齿廓. 压应力 压应力. 650 ～ 850HV 57 ～ 63HRC 700 ～ 850HV 58 ～ 63HRC. 高 很高. 1500. 450. 较大 较小. 较高. 渗氮 N-C 共渗. 0.2 ～ 0.6 - PowerPoint PPT Presentation
Citation preview
-
3 3.1 35
148 2 3F150MPa
-
3.2 3.2.1
17
-
3.2.2 1 1819
18 19
-
2 500560 8mm10mm26mm0.60.8mm610mm0.81.1mm
-
3 3636
-
-
3.2.3 137
U
-
38
1. ISO9950199523
-
39
-
40
-
3.3 3.3.1 4142 4341
42
-
43
HBS1HBS2
-
3.3.2 20
20
-
21
21
-
3.3.3 44
-
a. 44
-
c. 45745
-
3.3.4
23 24
-
3.3.6 4664746
-
AB 37SiMn2MoV
-
47 AF
-
3.4 3.4.1 1 48 2 495049
-
50
-
48
-
3.4.2 7051197451 70%1 2
-
1 25
25 10.6%260.45%
26
-
2
27 A- B-50Hz250Hz C-
28 Ac3Ac1tT
-
3 29 [yz/Hv]maxC (C=0.0550.065) 452
-
2 30 X26mm35CrMo4mm-400Mpa+70Mpa
-
30
-
31 5353
31TOCCO
-
32ab
32 200KHz10KHz25mm 33
33
(a) (b)
-
54555654
-
55 (m)
56 MPa
-
2 600mm15mm800mm17mm70Mn0.550.70%60CrMoV10mm1235CrMo
57CrMn1.64CrMn57
-
0.076m0.448mm-mm720Mpa550Mpa24%103CNC3435David&Brown1.52mm0.89mm34
-
5858
Contour Hardening Inc.310 kHz150kW
-
3.5 C-N3.5.1 C-N1 5959
-
/mm 1;1.25;1.5 0.250.40 1.75;2;2.25 0.450.60 0.250.40 2.5;3
0.600.80 0.350.50 3.5;4 0.801.00 0.600.75
/mm4.56.0 1.01612.703.04.5 .12701.6512.53.0 1.652.0321 2.5
2.0322.504 0.1375 2.5043.048 1/6 2 3.0483.556
-
2
60 J961
-
62 63
-
20mm0.27mmm=230.050.1mm6464 20CrNi2Mo
-
316565
-
2) 0.70.9%0.81.0%1.01.2%Allischamers0.9%0.9%1.2% 0.80.9%36
36
-
3)
37 10.93%+20.83%31.07%41.07%
-
38 20CrMnTi11.31.5mm121.71.9mm466
2
-
aAr bArArAr cArAr1025% dArArAr1025%67Ar1025% 67
-
C-N6868
-
(4)69
393542HRC 2/33051 39
-
3.5.2 12 (1) 7070
105kw 1000kg1-1-1
-
(2) 40
40
-
3.5.3 (1) a b c d
-
41 330325F 42
43 ab
-
44 abMS5071Ms71 Ms
-
2
46
-
72
7373
-
3.5.4
47 ITaCCTb
-
2
3
48 49
-
50
51
-
74527574
-
52
75
-
3.5.5 123
-
76 180 36min13.2
77 180 28min10.26
-
78
79
-
80
81
-
82
8383
50%
-
4+ 60708090 55 56+
-
56 +
-
5+
57 +
-
3.6 3.6.1 84
-
(2) 1) 850.6mm 2) 8685
0.81.2mm
-
3) 8787
38888
-
3.6.2 1 2
59 8620414038CrMoAl
-
89 R=99%
-
3 90
4 91R=99%
* M.Wock
-
91ISOISOAGMA14001500Mpa 70NAVGRA61/ HV0.5/61
-
3.6.3 107 123 6212A122H1H2
62
-
92
1- 2-3-64 1- 2- 63 25Cr2MoVA
-
2 240260HB310330HB30% 41404340300HB4340300HB50HRC 68 Mo
-
3
1940FloeAMS647052028%60h0.033mm52028%9.5h55080%50.5h0.020mm4140434060h0.6mm0.018mm
Clckner-NITREXIVA69
-
69
-
3.6.4 93 C-N
94
-
95
-
3.6.5
1Cr-MoSAE4140SAE4340Nitralloy135MDIN42CrMo4DIN31CrMoV938CrMoAl30CrMnAl42CrMo25Cr2MoV2300HB340.20.4mm0.5mmm=260.640.76mmm690.891.02mm96
-
4 4.1 4.1.1 97
-
4.1.2 4.2 98
-
99
-
100
-
101
