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SMT如何克服PCB板金手指上锡沾锡

发表于:2009-10-15 23:12:26   点击: 2523

SMT产品,回流焊,BGA返修台——威力泰网上商城

 

 

每天一批又一批的貴重價高PCBA板製造出來, 經檢定後總發覺有一定數量的成品在電鍍金(金手指)的位置染上錫或者被污染, 以往生產商苦惱又在沒有其他方法之下, 又得返工將焊接好的PCBA上元器件拆卸並只好將之線路板丟棄,造成直接經濟損失及環保問題。

怎麼辦呢?

我們引入了這套電鍍儀電鍍筆組合, 不需專業技術人員,便可輕易修補線路板的電鍍金位置。從此,再也不需為浪費成本及環保問題而煩惱。全新流線型設計的電鍍儀,輕巧的機身加入超穩定的電流,配合全新設計的多種電鍍筆,流動性無可匹敵,機身謹重三百克;突破電鍍工程的極限,信不信由你。 

電鍍儀說明

此款電鍍儀是一種體積小、外形美觀、重量輕的可擕式電鍍儀,特為電子產品製造工廠應用而開發、研製的實用性工具產品。採用微電腦控制,操作簡便,無須專業培訓可使用等優點,是電子產品維修、電鍍補救的革命產品。

採用微電腦控制,操作簡便。集去汙、電鍍為一體功能,高品質的電鍍效果。應用範圍廣,金屬、塑膠均可電鍍。電鍍筆配用品種齊全,鍍金、銀、銅、鎳、黑金等 

 

JM SAOHAR給你創制出一套全新又安全又快速成的電鍍組合。利用此組合,可完美地給各種高級硬、軟性線路版,小型電子零件進行修復,鍍出來的成品與傳統電鍍方法的效果無異。 

一.特徵:

1.簡單: JM SAOHAR電鍍儀最大的特點是可由任何人無需特別培訓與技巧都可輕易操作。

2.電鍍儀、電鍍筆使用顏色的標識來區分電鍍工序,簡單明瞭。

3.完美的效果:使用此組合所能做出來的成品與傳統電鍍方法的效果無異。

4.筆咀幼細:可用在細微的地方修補線路版電鍍成品。

5.可鍍面積:每支筆內含十毫升溶液,約可鍍0.5㎡的面積。 

二.電鍍儀控制面板如下圖所示:

①電源開關

②保險絲(安全裝置)

③電源介面(220V/50Hz) 

④黑色(-)輸出介面

⑤紅色(+)輸出介面

⑥電鍍調節旋扭

⑦顏色標識與相對應指示燈

⑧電鍍開關與指示燈

⑨電鍍筆放置位

三.電鍍儀操作方法:

1.連接上正確的電源③(220V/50Hz)。

2.打開將位於電鍍儀機身後面的電源開關① (電源燈亮)。

3.然後將紅色的電鍍連接線插進電鍍儀機身前面紅色(+)介面⑤、將黑色的電鍍連接線插進電鍍儀機身前面黑色(-)介面④。4.打開機身上電鍍開關⑧(電鍍工作指示燈亮)。

5.調節電鍍調節旋扭⑥,選設電鍍筆相對應顏色標識(對應指示燈亮)。例如電鍍筆上的標誌是藍色,只要把電鍍機的顏色調校至藍色便可。 

四.電鍍筆連接方法:

1.把紅色電鍍連接線末端的接駁器接入電鍍筆尾端的專用金屬頭。

2.把黑色電鍍連接線末端的針(夾子)接觸著要電鍍的地方。

3.電鍍筆獨有顏色標識來對應不同的電鍍金屬的應用。例如(24K-GOLD):電鍍筆上的標誌是藍色,只要把電鍍儀的顏色調校至藍色便可。

☆注意:所有電鍍筆的設計都是當把筆咀向下時溶液便會適當輕輕地滴出,使用者操作時可以控制筆身的角度以調校溶液滴漏的大小與速度,避免過度滴漏而浪費。 

五.電鍍程式

1.先用清潔的布把將要電鍍的位置擦拭乾淨,如有污漬應先用除汙膏清理(任何情況下,準備電鍍的位置都必須經除油的程式)。

2.將電鍍筆的筆咀尖放置在要電鍍的位置電鍍。

3.完成後將成品表面再清洗一次,然後用軟布擦拭乾淨即可。 

警告!

1.鋁及鈦金屬表面不能電鍍。 

2.鉻不能重複電鍍。 

3.不銹鋼表面必須使用不銹鋼除油去汙筆。

4.不使用時必須將筆蓋扭緊並且筆咀向上存放。 

5.電鍍筆的溶液含有劇毒,其操作應依據勞動安全衛生法及中毒預防規則進行。

6.避免吸入散發的氣體以及沾染皮膚。若有沾染皮膚, 應立即用肥皂與清水沖洗之。

7. 工作後以及用膳前要洗手與漱口。

                                                              

  

 鍍金示意图

 

 電鍍筆系列(電鍍液容量10ml)

●24K金液電鍍筆24K Gold Plating pen

●18K金液電鍍筆18K Gold Plating pen 

●14K金液電鍍筆14K Gold Plating pen

●18K黑金液電鍍筆18K Heavy Gold Plating pen 

●24黑金液電鍍筆24K Heavy Gold Plating pen

●粉紅金液電鍍筆Pink Gold Plating pen 

●銅液電鍍筆Copper Plating pen

●鎳液電鍍筆Nickel Plating pen 

●黑鎳液電鍍筆Block Nickel Plating pen

●鉻液電鍍筆Chrome Color Plating pen 

●銀液電鍍筆Heavy Silavy Gold Plating pen

●銠液電鍍筆Rhodium Plating pen 

●不銹鋼去汙筆Degreaser pen for stainless steel

此款24K鍍金筆所鍍電鍍層外觀為金黃色,光澤強,易於拋光,密度為:1.93克每立方釐米,相對原子品質為197.0,熔點為1062.7攝氏度,沸點為2600攝氏度。PROMEX鍍金筆內鍍金液分散能力和覆蓋能力良好,電流效率高(100%)。耐鹽霧腐蝕性能好,維護恰當,溶液穩定。鍍層光亮緻密;沉積速度快,無孔隙。鍍層與鎳,銅,銀等金屬結合力好。鍍層的孔隙影響其防護性能。

 2.此款鍍金筆所鍍電鍍層具有優良的化學穩定性(只溶于王水和氰化鉀或氰化鈉溶液中),導電性(僅次於銀和銅),可焊性以及耐高溫性能強。是改善各種元器件表面性能的優良鍍層,是現代電子工業中高穩定,高可靠接插件,印製板插頭,觸點等的理想鍍層。

 3.此款鍍金筆按其用途可分為兩類:耐磨金和裝飾金。

    耐磨金:主要用於接插件,印製板插頭,觸點等。它要求鍍層具有光亮的外觀和高的耐磨性能。

    裝飾金:要求鍍層美觀,耐磨,長期使用不變色,主要用於首飾,項鏈,工藝美術品等民用方面。

4.此款24K鍍金筆與一般鍍金筆相比,經《中國表面工程協會電鍍分會》檢測認證,最大的優勢在於:鍍金層表面緻密,耐磨性強,光亮度,結合力以及硬度好,鍍液化學性質穩定。革命性的PROMEX電鍍筆組合,徹底改善了一般鍍金筆所鍍表層耐磨性差,易變暗,發紅,發花等不良現象。   

         

                                                       

 

崧泽科技股份有限公司

东莞市崧茂机电设备有限公司

 

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