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㽺װҵӦ-SMT㽺ʹúҪ

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Ԫͨײװ(THT)òװ(SMT)װ ĿӲƷнһװ ӡˢ·(PCB)һԪȾ㽺̻ Żв庸ʱʱϳ Ҿս϶ ԪĹ̻ԵΪҪ ڵ㽺յоҪ


SMTƬӹ.jpg

һ SMTƬӹˮҪ

SMTʹõĽˮҪƬʽԪSOTSOICòװIJ庸ýˮòװԪοPCBϵĿҪֹµIJ幥¿ԪλһƽнSMTƬҲΪƬӹżƬӹ콺 ͨǺɫ(Ҳлɫ߰ɫ)ȳƵӲϡܼȵճӼ

SMTƬˮҪ

1. ˮӦĴ;

2. ˿;

3. ʪǿȸ;

4. ;

5. ˮĹ̻¶ȵ ̻ʱ;

6. 㹻Ĺ̻ǿ;

7. ʪԵ;

8. ķ;

9. ޶;

10. ɫʶ ڼ齺;

11. װ װʽӦװʹ

ڵ㽺йտ൱Ҫ

׷¹ȱݣϸȱ˿ˮȾ̡̻ǿǷ׵ƬЩӦоչղ ӶҵIJ

1. ľϸ

ƾ֤ ֱľϸӦΪ̼һ Ƭ󽺵ֱӦΪֱ1.5Ϳ԰иĽˮճԪֹེˮȾ㽺õתʱǷ ʵӦƾ֤(¡ˮճԵ)ѡõתʱ

ŷabg㽺װ㽺DG-200ˮӡ24͸.jpg

2. 㽺ѹ(ѹ)

ùӦ㽺ͷܽһѹ㹻ˮӦѹѹ̫ɽ;ѹ̫С᷺㽺 © ӶȱӦƾ֤ͬƷʵĽˮ¶ѡѹ¶ȸʹˮճȱСԱ ʱͱѹͿɰܽˮĹӦ ֮Ȼ

ݸǵ㽺װһֽṹ-ŷabgԶ.png

3. ͷϸ

ʵ ͷھϸӦΪ㽺ֱ1/2 㽺 Ӧƾ֤PCBϺ̾ϸѡȡ㽺ͷ08051206ĺ̾ϸ ѡȡͳһͷ ǹĺ̾Ҫѡȡͷ ȿ԰ܽ ֿЧ


4. ͷPCBľ

ĵ㽺ɲͷ Щͷһֹ(CAM/A LOT 5000)ÿӦͷPCBУ׼ Z߶У׼

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5. ˮ¶

һƽ֬ˮӦ0--50Cı ʹʱӦǰ1/2Сʱó ʹˮ¶кˮʹ¶ӦΪ230C--250C;¶ȶԽˮճӰܴ ¶ȹὺС ˿¶50C 50%㽺ת¶ӦԿͬʱε¶ҲӦø ʪСױ Ӱճ

6. ˮճ

ճֱӰ㽺ճȴ 򽺵С ˿;ճС  Ⱦ㽺 ӦԲճȵĽˮ ѡȡıѹ͵㽺

7. ̻¶

ڽˮĹ̻ һƽѸ¶ʵӦܽɽϸ¶̻ ʹˮ̻㹻ǿ

ˮ̻¶.jpg

8.

ˮһһССͻຸûнˮ;ÿ;滻ʱӦſĿ ⷺմ

ˮе.jpg

ϸĵ Ӧɵ㼰ķ κһת䶼Ӱ쵽 ͬʱȱݵı Ƕɵ ӦԿܵ ɨ֮ Ӧƾ֤ Ҫ Ч


ŷabgԶµײ
ŷabgԶ-һŻ㽺ԶĿҵ

ҳƼ

ŷabg

չʾ

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Ƽ

ƵƼ

 

ܸʲôϳ

   

Զ㽺˹㽺˭δĽ

   

ŷabgԶ-гſ

       

>

 

СԶʵֲܷ Ŀ

   

СԶʲô

   

Լ˹ֻ | 3Сװ

   

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ԶŽƻ

Ż֪дϵijҪ ʵֶšԶװššԶȶֳżƻ ҵʵԶ

Ż>

 

ŷabgԶ㽺ƻ.gif

SMTԶ㽺ƻ

Ӧϸ ȹ̵Զƽ̨ ׼ ȡŰ˹ҵȫʵԶת ߼ֵ

㽺>

 

ŷabgԶԶƻ.gif

Զױƻ

Զȡ˹׶װ ʵԶϡ㽺ԡŵҪ Իеȡ˹ӶִԼְԱĿ ȷЧ

Զ>

 

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еԶͿƻ

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