焊材消耗定额制定方法docWord文档下载推荐.docx
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5.1焊条规格的选择应根据焊件壁厚、结构、接头形式、焊缝尺寸以及性能要求加以选择
5.2对于焊件壁厚≤5MM和小管径钢管焊接时应尽量选择小于焊件厚度以及与焊缝尺寸相适应的规格焊条,对于壁厚》5MM且焊缝尺寸大(角焊缝尺寸大于5)的焊件,在满足性能和操作的前提下应尽量选用规格大的焊条。
5.3对于有焊缝根部质量要求的多层焊,打底层应选择小直径焊条焊接(Φ2.5-Φ3.2)中间层和盖面层根据破口宽度选择稍大规格的焊条(Φ3.2-Φ5)
5.4对于无焊缝根部质量要求的受压件和非受压件,焊条的选择根据焊缝尺寸,并考虑生产效率可选择焊缝尺寸相适应规格的焊条
6常用接头单位长度的焊材定额实例(以下实例中的接头形式应符合GB985和GB986标准.
焊材消耗定额制定方法
1.各种焊接方法的焊材消耗定额计算方法如下:
手工电弧焊:
G条耗=2G填充
电渣焊:
G丝耗=1.05G填充G剂耗=0.5Kg/m
钨极氩弧焊:
氧乙炔焊:
G丝耗=1.1G填充
G丝耗=1.05G填充
其中:
G条耗=1.7G丝耗
2.常用接头单位长度的焊材定额实例:
2.1筒体、集箱、管子对接焊缝
焊缝形式
焊缝截面
计算公式
坡口及焊缝尺寸
焊缝截面积(mm2)
焊材消耗定额
(Kg/mm)
δ
B
p
a
c
h
焊条
焊丝
焊剂
F=4/3ch+
(δ-P)2
tgа/2+
δb+
+(p+1)2
6
1
60°
10
2
51.2
0.804
8
12
77.9
1.223
14
103.4
1.623
3
18
151
2.371
20
214.8
3.372
16
24
264.7
4.156
F=2/3Ch+
δb+(δ-P)2tgа/2
55°
52.7
0.827
5
50°
91.1
1.430
121.1
1.901
166.3
2.611
23
221.4
3.476
27
270.3
4.244
F=4/3Ch+
+(δ/2)2
1±
/
77
1.209
0.712
1.000
2±
112
1.758
1.034
1.293
127
1.994
1.173
1.466
3±
164
2.575
1.518
1.893
22
193
3.030
1.782
2.228
224
3.517
2.069
2.586
F=2/3(C1+
C2)h+
2.5±
9±
70°
16±
418±
4
179.5
2.818
1.658
2.072
420±
211.4
3.319
1.964
2.455
18±
277.6
4.358
2.579
3.224
20±
330.9
5.195
3.074
3.843
22±
391.5
6.147
3.637
4.546
24±
459.3
7.211
4..267
5.334
b
P
a
面焊双面成型
F=2/3hc+
(δ-P)2
δb+(b+1)
.5
0.5±
23.4
0.367
.202
3.5
28
0.439
.274
30.9
0.485
.303
4.5
57.2
0.898
.561
61.2
0.964
.603
74.8
1.174
7
85.3
1.339
100.9
1.584
131.7
2.068
167.1
2.623
15
232.9
3.657
25
257.8
4.048
32
366.9
5.760
40
527.8
8.286
C2)h+
(δ-H-P)2tgа/2
+(H+P)2
tgа/2
P=4±
H=10±
а=
а1=
80°
30±
432±
515.6
8.095
4.790
5.987
30
35±
433±
569.3
8.938
5.289
6.611
37±
434±
621.5
9.758
5.774
7.217
34
39±
676.4
10.620
6.284
7.855
36
41±
435±
737.9
11.585
6.855
8.569
38
42±
800
12.560
7.432
9.290
44±
868.8
13.640
8.071
10.09
42
46±
942.1
14.791
8.752
10.94
46
50±
436±
1084.7
17.094
10.06
12.84
48
52±
1191.9
18.713
11.07
13.84
50
54±
437±
1269.7
19.934
11.73
14.93
R2/2+
H2tgа/2
F(H-P-R)
2R+1/4(δ
-b)2tg250
H=12±
R=10±
26±
623.6
9.791
5.793
7.242
635.6
9.979
5.905
7.381
438±
692.1
10.866
6.430
8.037
439±
753.1
11.824
6.996
8.745
440±
815.5
12.803
7.576
9.470
441±
879.3
13.805
8.169
10.21
28±
442±
948.6
14.893
8.812
11.02
443±
1015.2
15.939
9.431
11.79
44
444±
1055.3
16.568
9.804
445±
1156.7
18.161
446±
1227.6
19.273
447±
1299.8
20.107
2管接头、吊耳、钢架等结构角焊缝
k、k1
8时
F=1/2
(k+1)2
当k8时
F=1/2k2
0.5-1
0.126
12.5
0.196
0.283
24.5
0.385
0.502
40.5
0.636
0.785
9
60.5
0.950
11
72
1.130
84.5
1.327
13
98
1.539
112.5
1.766
F=1/2kk1
+δb+
1/2δ2
tg50
1-2
0-2
76
45.9
0.721
87
61.5
0.966
98
73.2
1.149
109
99.1
1.556
1210
139.6
2.192
1410
178
2.795
1610
224.8
3.529
1710
249.1
3.911
1810
274.5
4.310
2010
329.1
5.167
2210
388.4
6.980
2410
452.4
7.103
2610
521.2
8.183
26
2810
594.8
9.338
3010
673.2
10.569
3210
726.3
11.403
3412
846.2
13.285
3612
938.8
14.739
3812
1035.3
16.270
4014
1138.4
17.873
4214
1287.4
20.212
4414
1401.1
21.997
4614
1519.6
23.85
4814
1632.8
25.792
5014
1770.9
27.803
5214
1903
29.888
F=kk1+δb
+1/4(δ-p)2
66
75.11
1.179
77
102.8
1.614
88
134.9
2.118
99
171.4
2.691
256.5
4.027
427.4
6.710
532.1
8.354
2.3热交换器、空气预热器管子与管板对接焊缝
d
b1
Φ14
0-1
5.5
1.3
5.8
0.006
Φ16
Φ19
Φ22
1.4
6.6
0.007
Φ25
0.008
Φ32
0.010
Φ38
0.012
Φ42
0.014
Φ51
1.5
0.018
Φ57
0.020
Φ60
0.021
Φ70
0.024
Φ76
0.026
2.4常用焊缝填充金属比重
单位:
g/cm3
比重值
角焊缝焊材计算系数Kg/m
=0.03147
=0.384714
=1.5386
=0.07078
=0.502415
=1.7663
=0.12569
=0.635916
=2.0096
=0.196310
=0.75818
=2.5434
=0.282612
=1.130420
=3.14
=0.1503
各种焊接材料互换系数
G焊条=2G填充=1.25G焊丝=1.7Gco2=1.75G焊剂
焊材转换系数
焊条:
埋弧焊丝:
焊剂=1:
0.6:
0.9
氩弧焊打底的角焊缝焊材定额(Kg/m)焊角坡口为50°
δ2=0.0186*1.2=0.02256δ3=0.0421*1.2=0.05052
δ4=0.0749*1.2=0.0899
δ5=0.11694*1.2=0.14073δ6=0.16839*1.2=0.2021
δ7=0.2292*1.2=0.2751δ8=0.29936*1.2=0.3593
氩弧焊打底的对接焊缝焊材定额(Kg/m)焊角坡口为60°
δ2=0.01813*1.2=0.02176δ3=0.04079*1.2=0.04895
δ4=0.07252*1.2=0.08742δ5=0.1133*1.2=0.13597
δ6=0.16316*1.2=0.1958δ7=0.2220*1.2=0.2665
全焊透骑座式管头焊材定额(焊条)(kg/个)
Φ89
Φ108
Φ133
Φ159
Φ219
Φ245
Φ273
Φ325
0.033
0.0392
0.0434
0.0526
0.0588
0.0619
0.0784
0.0519
0.0608
0.0672
0.0816
0.0912
0.096
0.1216
0.1424
0.1728
0.2128
0.2544
0.0735
0.0813
0.0947
0.1172
0.131
0.1379
0.1746
0.2045
0.2481
0.3945
0.4716
0.1312
0.1593
0.1781
0.1874
0.2374
0.278
0.3373
0.4154
0.4966
0.684
0.7652
0.8526
0.1713
0.208
0.2325
0.2447
0.3099
0.3993
0.4761
0.5863
0.6485
0.8931
0.9992
1.1133
0.3098
0.3924
0.4595
0.5575
0.6866
0.8208
1.1305
1.2647
1.4092
0.452
0.5724
0.6705
0.8136
1.0019
1.1978
1.6498
1.8456
2.0565
2.4482
1.1649
1.4345
1.7149
2.362
2.6425
2.9445
3.5053
1.6643
2.2849
3.1471
3.3521
3.9231
4.0704
2.6006
3.582
4.0072
4.4652
5.3157
2.9753
4.098
4.5845
5.1084
6.0814
3.0707
5.0558
5.6561
6.3025
7.5029
6.1795
6.9131
7.7032
9.1704
7.416
8.2964
9.245
11.0054
8.7646
9.8052
10.9257
13.0068
10.2275
11.441
12.7494
15.1778
11.8026
13.2038
14.7128
17.5153
13.4905
15.0922
16.817
20.0202
15.2928
17.1084
19.0636
22.6948
19.2497
21.497
25.5353
21.516
23.9749
28.5415
23.9096
26.6421
31.7168
26.4282
29.4486
35.0578
29.0740
32.397
38.5678
31.8476
35.4873
42.4675
34.7459
38.7169
46.091