1ã€?strong>ä¸é¢‘焊机工艺基础
åQ?åQ?nbsp;钢焊件焊å‰é¡»æ¸…除一切è„物ã€æÑa污ã€æ°§åŒ–çš®åŠé“锈,对çƒè½§é’¢åQŒæœ€å¥½æŠŠç„ŠæŽ¥å¤„å…ˆ¾l过酸洗ã€å–·ç ‚æˆ–ç”¨ç ‚è½®æ¸…é™¤æ°§åŒ–çš®ã€‚æœª¾l清ç†çš„ç„Šäšg虽能˜q›è¡Œç‚¹ç„ŠåQŒä½†æ˜¯ä¸¥é‡åœ°é™ä½Žç”‰|žçš„ä‹É用寿命,åŒæ—¶é™ä½Žç‚¹ç„Šçš„生产效率和质é‡ã€‚对于有薄镀层的ä¸ä½Ž¼„³é’¢å¯ä»¥ç›´æŽ¥æ–½ç„Šã€?/span>
åQ?åQ?nbsp;å¯å‚è€?span style="font-family: 宋体;">工艺数æ®åQ?/span>
a) 焊接旉™—´åQ?/span>在焊接ä¸ä½Žç¢³é’¢æ—¶åQŒæœ¬ç„Šæœºå¯åˆ©ç”?/span>¼‹?/span>规范焊接法(大电(sh¨´)‹¹?/span>瞬时通电(sh¨´)åQ‰æˆ–è½?/span>规范焊接法(长时通电(sh¨´)åQ‰ã€‚在大é‡ç”Ÿäñ”时应采用¼‹?/span>规范焊接法,它能æ高生äñ”效率åQŒå‡ž®‘电(sh¨´)能消耗åŠå‡è½»å·¥äšgå˜åÅžã€?/span>
b) 焊接甉|µåQšç„ŠæŽ¥ç”µ(sh¨´)‹¹å†³å®šäºŽç„Šäšg大å°ã€åŽšåº¦åŠæŽ¥è§¦è¡¨é¢çš„情å†üc€‚通常金属导电(sh¨´)率越高,甉|žåŽ‹åŠ›‘Šå¤§åQŒç„ŠæŽ¥æ—¶é—´åº”‘ŠçŸã€‚æ¤æ—¶æ‰€éœ€çš„电(sh¨´)‹¹å¯†åº¦ä¹Ÿéšä¹‹å¢žå¤§ã€?/span>
c) 甉|žåŽ‹åŠ›åQšç”µ(sh¨´)æžå¯¹ç„Šäšgæ–½åŠ åŽ‹åŠ›çš„ç›®çš„æ˜¯ä¸ÞZº†å‡å°ç„Šç‚¹å¤„的接触ç”?sh¨´)阻åQŒåƈä¿è¯ç„Šç‚¹å½¢æˆæ—¶æ‰€éœ€è¦çš„压力ã€?/span>
d) 甉|žçš„åŞ状办®ºå¯¸åQšç”µ(sh¨´)æžç”±é“¬é”†é“œåŠ 工而æˆã€‚电(sh¨´)æžæŽ¥è§¦é¢çš„直径大致äØ“åQ?/span> δ≤ 1.5mm æ—Óž¼Œç”‰|žæŽ¥è§¦é¢ç›´å¾?/span>ä¸?/span>2δåQ?3 (mm) åQ?/span>δ≥ 2mm æ—Óž¼Œ 甉|žæŽ¥è§¦é¢ç›´å¾„,ä¸?/span>1.5δåQ?5 (mm)ã€?/span> δ—两焊件ä¸è¾ƒè–„的一件之厚度(mm) 甉|žä¹‹ç›´å¾„ä¸å®œè¿‡ž®ï¼Œä»¥å…引è“v˜q‡åº¦çš„å‘çƒåŠ˜q…速的¼‚¨æŸã€?/p>
e) 焊点的布¾|?/span>åQ?/span>焊点的跼›»è¶Šž®ï¼Œç”‰|µçš„分‹¹çŽ°è±¡å¢žå¤§ï¼Œä¸”ä‹É点焊处的压力å‡å°‘åQŒä»Žè€Œå‰Šå¼Þq„Šç‚¹ä¹‹å¼ºåº¦ã€‚对于低¼„³é’¢æˆ–ä¸é”ˆé’¢åQšç„Šç‚¹ä¸å¿ƒè· A ≈ 16.1δåQˆæ¯«¾c»I¼‰
2ã€ç„ŠæŽ¥å‚数表
åQ?åQ?nbsp;低碳钢æ¿ç‚¹ç„Šå‚æ•°è¡?/span>
焊接æ¡äšg
|
ä¸ç‰æ¡äšgåQˆB¾U§ï¼‰
|
æ¿åŽš mm
|
0.4
|
0.5
|
0.6
|
0.8
|
1.0
|
1.2
|
1.6
|
2.0
|
2.8
|
3.2
|
甉|žåŠ 压力kgf
|
75
|
90
|
100
|
125
|
150
|
175
|
240
|
300
|
370
|
500
|
通电(sh¨´)æ—‰™—´å‘¨æ‡L
|
8
|
9
|
11
|
13
|
17
|
19
|
25
|
30
|
37
|
50
|
焊接甉|µA
|
4500
|
5000
|
5500
|
6500
|
7200
|
7700
|
9100
|
10300
|
11300
|
12900
|
甉|žç«¯é¢ç›´å¾„mm
|
3.2
|
3.5
|
4.0
|
4.5
|
5.0
|
5.5
|
6.3
|
7.0
|
7.8
|
9.0
|
åQ?åQ?nbsp;低碳钢æ¿å‡¸ç„Šå‚æ•°è¡?/span>
æ¿åŽšmm
|
0.6
|
0.8
|
1.0
|
1.2
|
1.6
|
2.0
|
焊例A
|
ç„ŠæŽ¥åŠ åŽ‹åŠ›kgf
|
70
|
90
|
130
|
1750
|
265
|
365
|
通电(sh¨´)æ—‰™—´å‘¨æ‡L
|
2
|
3
|
4
|
6
|
8
|
12
|
焊接甉|µA
|
4500
|
6200
|
7700
|
8800
|
10600
|
12200
|
焊例B
|
ç„ŠæŽ¥åŠ åŽ‹åŠ›kgf
|
40
|
55
|
70
|
90
|
150
|
220
|
通电(sh¨´)æ—‰™—´å‘¨æ‡L
|
5
|
7
|
12
|
15
|
22
|
30
|
焊接甉|µA
|
3000
|
3500
|
3900
|
4400
|
5500
|
6500
|
H 凸è“v高度mm
|
0.61
|
0.96
|
0.89
|
1.02
|
1.14
|
1.27
|
D 凸è“vå¾? mm
|
2.29
|
2.67
|
3.05
|
3.56
|
4.06
|
4.57
|
åQ?åQ?nbsp;ä¸é”ˆé’¢æ¿ç‚¹ç„Šå‚æ•°è¡?/span>
æ¿åŽšmm
|
0.4
|
0.5
|
0.6
|
0.8
|
1.0
|
1.2
|
1.6
|
2.0
|
2.8
|
3.2
|
甉|žåŠ 压力kgf
|
150
|
190
|
220
|
300
|
400
|
500
|
700
|
900
|
1100
|
1500
|
通电(sh¨´)æ—‰™—´å‘¨æ‡L
|
3
|
3
|
4
|
5
|
6
|
7
|
9
|
12
|
13
|
16
|
焊接甉|µA
|
3000
|
3800
|
4700
|
6200
|
7600
|
9000
|
11500
|
13500
|
15500
|
18000
|
甉|žç«¯é¢ç›´å¾„ mm
|
3.2
|
3.5
|
4.0
|
4.5
|
5.0
|
5.5
|
6.3
|
7.0
|
7.8
|
9.0
|
æ¯æ强度大于105kgf/mm2æ—?/span>,请将焊接甉|µå€¼å‡ž®?0åQ?0%ã€?/p>
åQ?åQ?span style="font-family: 宋体;">螺æ¯ç„ŠæŽ¥å‚æ•°è¡?/span>
|
角螺æ¯ï¼ˆ4点çªèµøP¼‰
|
焊接螺æ¯åQ?点çªèµøP¼‰
|
焊接æ¡äšg 周æ‡L
|
ä¸ç‰æ¡äšg
|
ä¸ç‰æ¡äšg
|
螺毞®ºå¯¸ mm
|
12
|
12
|
12
|
8
|
8
|
10
|
10
|
10
|
6
|
6
|
æ¿åŽš mm
|
1.2
|
2.3
|
4.0
|
1.2
|
2.3
|
1.2
|
2.3
|
4.0
|
1.2
|
2.3
|
ç„ŠæŽ¥åŠ åŽ‹åŠ?nbsp;kgf
|
370
|
400
|
420
|
270
|
290
|
350
|
370
|
410
|
270
|
290
|
通电(sh¨´)æ—‰™—´ 周æ‡L
|
5
|
5
|
5
|
5
|
5
|
5
|
5
|
5
|
5
|
5
|
焊接甉|µ A
|
14000
|
15000
|
16500
|
9500
|
10500
|
18000
|
14000
|
15500
|
9500
|
10500
|
æ³?/span>:本表为å‚考数è¡?è¯ïL”¨å®žé™…被焊物试ç„?¼‹®è®¤å¤–观强度½{‰åŽ,å†è®¾å®šç„ŠæŽ¥å‚æ•?/p>
--沈阳å¨å…‹åˆ›æ–°ç„ŠæŽ¥è®‘Ö¤‡æœ‰é™å…¬å¸
|