IPC-A-610F通用焊接標準課件

1、IPC-A-610F“電子組件的可接受性電子組件的可接受性”第第4模塊模塊:焊接焊接IPC認證專員（認證專員（CIS）培訓認證課程培訓認證課程 2014, IPC, Bannockburn, IL All rights reserved. For use only in IPC Training Programs leading to Official IPC Certification M4-2模塊概述模塊概述 焊接可接受性要求 焊接異常暴露金屬基材針孔/吹孔焊膏再流不潤濕冷焊/松香焊接連接退潤濕焊料過量焊料球橋連錫網(wǎng)/潑錫 焊接異常(續(xù))焊料受擾焊料開裂拉尖無鉛填充起翹無鉛熱撕裂/孔收縮焊

2、點表面的探針印記和其它類似表面狀況 高電壓 2014, IPC, Bannockburn, IL All rights reserved. For use only in IPC Training Programs leading to Official IPC Certification M4-3模塊目標模塊目標 完成本章的學習后，學員能夠識別被焊接組件和高電壓的可接受要求。 2014, IPC, Bannockburn, IL All rights reserved. For use only in IPC Training Programs leading to Official IPC

3、 Certification M4-45 5 焊接焊接 焊接工藝的本質(zhì)決定了一個可接受的連接對于三個級別會表現(xiàn)出相同的特征 不可接受的連接很可能對所有三個等級都是拒收的 連接要求的描述中已在適當?shù)牡胤骄唧w注明了所使用的焊接工藝類型 無論使用下列哪種焊接方法，本章的連接要求都適用:焊接烙鐵阻抗焊接設備波峰焊或拖焊再流焊接通孔再流焊接1 of 3 2014, IPC, Bannockburn, IL All rights reserved. For use only in IPC Training Programs leading to Official IPC Certification M4-

4、55 5 焊接焊接 例外:有一些專用的焊接表面處理，需要建立不同的專用驗收條件，未顯示在IPC-A-610F中 浸鍍錫 鈀 金此類專用條件應該基于設計、工藝能力和性能要求而定2 of 3 2014, IPC, Bannockburn, IL All rights reserved. For use only in IPC Training Programs leading to Official IPC Certification M4-65 5 焊接焊接Figure 5-1圖 5-13 of 3 2014, IPC, Bannockburn, IL All rights reserved.

5、For use only in IPC Training Programs leading to Official IPC Certification M4-75.1 5.1 焊接可接受性要求焊接可接受性要求圖 5-21 of 3 2014, IPC, Bannockburn, IL All rights reserved. For use only in IPC Training Programs leading to Official IPC Certification M4-85.1 5.1 焊接可接受性要求焊接可接受性要求 使用錫鉛合金的工藝與使用無鉛合金的工藝所產(chǎn)生的焊接連接的主要區(qū)

6、別是 焊點的外觀本標準提供了錫鉛和無鉛連接的目視檢查要求特指無鉛連接的圖例將用圖5-3中的符號來標識 無鉛合金更可能表現(xiàn)為:表面粗糙（顆粒狀或灰暗)較大的潤濕角焊料填充其它要求相同圖 5-32 of 3 2014, IPC, Bannockburn, IL All rights reserved. For use only in IPC Training Programs leading to Official IPC Certification M4-95.1 5.1 焊接可接受性要求焊接可接受性要求 典型的錫鉛連接綢緞般潤澤的表面外觀平滑呈現(xiàn)潤濕 被焊物體間形成凹月面高溫焊料 可能呈干枯狀

7、修飾（返工） 要有判斷力，防止造成其它的問題3 of 3圖 7-79圖 7-80 2014, IPC, Bannockburn, IL All rights reserved. For use only in IPC Training Programs leading to Official IPC Certification M4-105.2.1 5.2.1 焊接異常焊接異常暴露金屬基材暴露金屬基材 元器件引線、焊盤和導體圖形的側(cè)面、及液體感光阻焊劑的使用根據(jù)原始設計，可能會暴露金屬基材 印制電路板和導體的表面涂層具有不同的潤濕性 金屬基材或表面涂層的暴露應該視作正常情況焊接處獲得的潤濕特征

8、是可接受的1 of 3 2014, IPC, Bannockburn, IL All rights reserved. For use only in IPC Training Programs leading to Official IPC Certification M4-115.2.1 5.2.1 焊接異常焊接異常暴露金屬基材暴露金屬基材圖5-4圖5-5圖5-62 of 3 2014, IPC, Bannockburn, IL All rights reserved. For use only in IPC Training Programs leading to Official IP

9、C Certification M4-125.2.1 5.2.1 焊接異常焊接異常暴露金屬基材暴露金屬基材圖 5-7圖 5-83 of 3 2014, IPC, Bannockburn, IL All rights reserved. For use only in IPC Training Programs leading to Official IPC Certification M4-135.2.2 5.2.2 焊接異常焊接異常針孔吹孔針孔吹孔圖 5-9圖 5-10圖 5-11圖 5-12圖 5-13 2014, IPC, Bannockburn, IL All rights reser

10、ved. For use only in IPC Training Programs leading to Official IPC Certification M4-145.2.3 5.2.3 焊接異常焊接異常焊膏再流焊膏再流Figure 5-34Defect 1, 2, 3圖 5-14圖 5-17 2014, IPC, Bannockburn, IL All rights reserved. For use only in IPC Training Programs leading to Official IPC Certification M4-155.2.4 5.2.4 焊接異常焊接異

11、常不潤濕不潤濕圖 5-18圖 5-191 of 2 2014, IPC, Bannockburn, IL All rights reserved. For use only in IPC Training Programs leading to Official IPC Certification M4-165.2.4 5.2.4 焊接異常焊接異常不潤濕不潤濕圖 5-20圖 5-212 of 2圖 5-22 2014, IPC, Bannockburn, IL All rights reserved. For use only in IPC Training Programs leading

12、to Official IPC Certification M4-175.2.5 5.2.5 焊接異常焊接異常冷焊松香焊接連接冷焊松香焊接連接圖 5-23 2014, IPC, Bannockburn, IL All rights reserved. For use only in IPC Training Programs leading to Official IPC Certification M4-185.2.6 5.2.6 焊接異常焊接異常退潤濕退潤濕圖 5-24圖 5-26圖 5-25 2014, IPC, Bannockburn, IL All rights reserved.

13、For use only in IPC Training Programs leading to Official IPC Certification M4-195.2.7 5.2.7 焊接異常焊接異常焊料過量焊料過量圖 5-28 2014, IPC, Bannockburn, IL All rights reserved. For use only in IPC Training Programs leading to Official IPC Certification M4-205.2.7.1 5.2.7.1 焊接異常焊接異常焊料過量焊料過量 焊料球焊料球圖 5-29圖 5-301 of

14、 3 2014, IPC, Bannockburn, IL All rights reserved. For use only in IPC Training Programs leading to Official IPC Certification M4-215.2.7.1 5.2.7.1 焊接異常焊接異常焊料過量焊料過量 焊料球焊料球圖 5-31圖 5-322 of 3 2014, IPC, Bannockburn, IL All rights reserved. For use only in IPC Training Programs leading to Official IPC

15、Certification M4-225.2.7.1 5.2.7.1 焊接異常焊接異常焊料過量焊料過量 焊料球焊料球圖 5-33圖 5-343 of 3 2014, IPC, Bannockburn, IL All rights reserved. For use only in IPC Training Programs leading to Official IPC Certification M4-235.2.7.2 5.2.7.2 焊接異常焊接異常焊料過量焊料過量橋連橋連圖 5-36圖 5-38 2014, IPC, Bannockburn, IL All rights reserve

16、d. For use only in IPC Training Programs leading to Official IPC Certification M4-245.2.7.3 5.2.7.3 焊接異常焊接異常焊料過量焊料過量錫網(wǎng)潑錫錫網(wǎng)潑錫 對潑錫進行目視檢查時，不應當不應當采用放大裝置圖 5-39圖 5-40 2014, IPC, Bannockburn, IL All rights reserved. For use only in IPC Training Programs leading to Official IPC Certification M4-255.2.8 5.2.

17、8 焊接異常焊接異常焊料受擾焊料受擾圖 5-41圖 5-421 of 2 2014, IPC, Bannockburn, IL All rights reserved. For use only in IPC Training Programs leading to Official IPC Certification M4-265.2.8 5.2.8 焊接異常焊接異常焊料受擾焊料受擾圖 5-43圖 5-442 of 2 2014, IPC, Bannockburn, IL All rights reserved. For use only in IPC Training Programs l

18、eading to Official IPC Certification M4-275.2.9 5.2.9 焊接異常焊接異常焊料開裂焊料開裂圖 5-45圖 5-47 2014, IPC, Bannockburn, IL All rights reserved. For use only in IPC Training Programs leading to Official IPC Certification M4-285.2.10 5.2.10 焊接異常焊接異常拉尖拉尖圖 5-48圖 5-49圖 5-50 2014, IPC, Bannockburn, IL All rights reser

19、ved. For use only in IPC Training Programs leading to Official IPC Certification M4-295.2.11 5.2.11 焊接異常焊接異常無鉛填充起翹無鉛填充起翹圖 5-51圖 5-52 2014, IPC, Bannockburn, IL All rights reserved. For use only in IPC Training Programs leading to Official IPC Certification M4-305.2.12 5.2.12 焊接異常焊接異常無鉛熱撕裂孔收縮無鉛熱撕裂孔收縮

20、圖 5-53圖 5-54 2014, IPC, Bannockburn, IL All rights reserved. For use only in IPC Training Programs leading to Official IPC Certification M4-315.2.13 5.2.13 焊點表面的探針印記和其它類似焊點表面的探針印記和其它類似表面狀況表面狀況圖 5-55圖 5-56 2014, IPC, Bannockburn, IL All rights reserved. For use only in IPC Training Programs leading t

21、o Official IPC Certification M4-32Figure 12-3Defect Class 1, 2, 312 12 高電壓高電壓 本章提供了承受高電壓的焊接連接的特殊要求，見1.6.5節(jié) 這些要求適用于連接至接線柱、裸接線柱和通孔連接的導線或引線 這些要求是要確保沒有尖銳邊緣或尖銳點造成電弧 2014, IPC, Bannockburn, IL All rights reserved. For use only in IPC Training Programs leading to Official IPC Certification M4-3312 12 高電壓高電

22、壓圖 12-1 2014, IPC, Bannockburn, IL All rights reserved. For use only in IPC Training Programs leading to Official IPC Certification M4-3412 12 高電壓高電壓圖 12-2圖 12-3 2014, IPC, Bannockburn, IL All rights reserved. For use only in IPC Training Programs leading to Official IPC Certification M4-3512 12 高電壓

23、高電壓圖 12-4 2014, IPC, Bannockburn, IL All rights reserved. For use only in IPC Training Programs leading to Official IPC Certification M4-36復習復習 焊接可接受性要求 焊接異常 高電壓復習題復習題 2014, IPC, Bannockburn, IL All rights reserved. For use only in IPC Training Programs leading to Official IPC Certification M4-381.

24、高電壓焊點無可見的尖銳邊緣、焊料凸點、錫尖、夾雜物或?qū)Ь€股線，是_.A. 目標 1，2，3級B. 可接受 1級, 制程警示 2, 3級C. 缺陷 1, 2, 3級D. 制程警示1級, 缺陷 2, 3級 2014, IPC, Bannockburn, IL All rights reserved. For use only in IPC Training Programs leading to Official IPC Certification M4-391. 高電壓焊點無可見的尖銳邊緣、焊料凸點、錫尖、夾雜物或?qū)Ь€股線，是_.A. A. 目標目標 1 1，2 2，3 3級級B. 可接受 1級

25、, 制程警示 2, 3級C. 缺陷 1, 2, 3級D. 制程警示1級, 缺陷 2, 3級參考參考: 12-1: 12-1頁頁, , 條款條款12 12 高電壓高電壓 2014, IPC, Bannockburn, IL All rights reserved. For use only in IPC Training Programs leading to Official IPC Certification M4-40圖中所示焊接連接的接觸角為 未建立要求 可接受 制程警示 缺陷 2014, IPC, Bannockburn, IL All rights reserved. For use

26、 only in IPC Training Programs leading to Official IPC Certification M4-41圖中所示焊接連接的接觸角為 未建立要求可接受可接受 制程警示 缺陷參考參考: 5-1: 5-1頁頁, 5 , 5 焊接焊接 2014, IPC, Bannockburn, IL All rights reserved. For use only in IPC Training Programs leading to Official IPC Certification M4-42圖中所示焊接連接的接觸角為 未建立要求 可接受 制程警示 缺陷 2014, IPC, Bannockburn, IL All rights reserved. For use only in IPC Training Programs leading to Official IPC Cert