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中龙集团

Dragon Group China Limited

BIRD

www.dragongroupchina.com

www.chinaemall.biz

Contents

A. BGA Rework Station

B. Installation

C. Safety Cautions

D. Introduction of Structure

E. Operation Steps

F. PLC (Programmable logic Controller

）

G. Curve Program Controller

H. Related information

I. Tips for operation

Содержание Bird AC-5K

Страница 1: ...www chinaemall biz BGA Rework Station AC 5K Dragon Group China Limited Address Fuxin Building Office 12D No 318 Fuhua Road Shenzhen China 518000 Telephone 86 1 379 836 8284 86 755 83292149 Fax 86 755...

Страница 2: ...upchina com www chinaemall biz Contents A BGA Rework Station B Installation C Safety Cautions D Introduction of Structure E Operation Steps F PLC Programmable logic Controller G Curve Program Controll...

Страница 3: ...eatures of BGA a Types According to the encapsulation material BGA can be classified into the following types 1 PBGA Plastic BGA 2 CBGA Ceramic BGA 3 CCBGA Ceramic Column BGA 4 TBGA Tape BGA 5 CSP Chi...

Страница 4: ...e design the assembly of PCB If many pieces of BGA gather on a small area of PCB it will cause the imbalance of PCB in the reflow oven If many big pieces of BGA gather on a certain area of PCB longer...

Страница 5: ...d The ideal situation is no poor welding Poor welding may be caused by pollution or the uneven distribution of flux paste What s more warped PCB may also lead to poor welding Open circuit welding spot...

Страница 6: ...tep can be omitted b Remove BGA If the BGA will not be reused and the PCB can endure high temperature we can use high temperature shorter heating period to remove it c Clean the pad Pad cleaning is ma...

Страница 7: ...PBGA choose the higher reflux temperature For no clean solder paste its activity is lower than non no clean solder paste so the soldering temperature should not be too high and the soldering time shou...

Страница 8: ...fire or explosion The PCB and other parts should be put on the PCB bracket 3 No vibration Handle it gently 4 Don t touch the heaters with your hands when it is working or you will get hurt 5 Don t use...

Страница 9: ...u use the machine you must read the instructions attentively Note when the machine works it will produce some smell So ensure the comfortable healthy and safe operation environment please keep the air...

Страница 10: ...orted high precision thermocouple to detect the top bottom temperature precisely 4 Top bottom heating can be controlled independently by the temperature graphs A cross flow fan cools rapidly to protec...

Страница 11: ...y the BGA Flux Paste on the BGA pad evenly with a brush Choose corresponding steel net and plant the soldering ball on the BGA pad with a BGA Reball Kit 5 Soldering Put the BGA on the bottom heating a...

Страница 12: ...Dragon Group China Limited BIRD www dragongroupchina com www chinaemall biz F PLC Programmable Logic Controller 1 Top bottom PLC a Panel introduction Model PC410 sectional type temperature controller...

Страница 13: ...e meter the upper screen displays the basic model the lower shows the version of the software for the customized meter the customer should pay special attention to the software version to facilitate f...

Страница 14: ...e meter is set to constant temperature controller the two display windows PTN and STEP PROFILE RUN these four lights were off OUT1 is used to indicate the working state of output 1 It is on when there...

Страница 15: ...HAND switch is forbidden No parameter code Parameter name adjusting range If we set AUTO HAND switch parameter code for AH as Hand AUTO HAND can be switched without interference 3 Adjusting parameter...

Страница 16: ...etting please set the differential time to OFF so that it is not changed when the meter is in the process of PID self setting In the system that doesn t allow output signals change frequently we shoul...

Страница 17: ...e configuration code and meaning of function parameters Set the configuration password as 808 the parameter code Loc when the meter shows PV press button PAR and for 3 seconds to enter the menu of sof...

Страница 18: ...Dragon Group China Limited BIRD www dragongroupchina com www chinaemall biz...

Страница 19: ...Dragon Group China Limited BIRD www dragongroupchina com www chinaemall biz...

Страница 20: ...he process of PID self setting the system can only set ProP ln and dEr The cooling parameter rEL C should be set by hand If the adjust method is set at positioning adjustment ProP is the difference of...

Страница 21: ...g shift 6 SET process set Note DH48S showing time is the range of electrical continuing set by using the coding switch of panel b Explanation of the setting characters The following characters will sh...

Страница 22: ...continuity of power is necessary We should minimize interference otherwise restart PID There may be some differences between two parameters of PID starting in the process of warming and starting on co...

Страница 23: ...Controller 1 Parameter set of curve program a Pn0 saved curve program 0 4groups r1 the slope of Curve 1 End StEP 0 01 99 9 C min Set the slope at End When the curve program goes to this section it st...

Страница 24: ...hen the meter stops it is used as a thermostatic controller We can set is at SP which will display in the lower screen When the meter finishes the curve control procedure it will go into the stop stat...

Страница 25: ...f LC r1 L1 d1 r2 L2 d2 is valid only in this running and not saved Other parameters all can the modified and saved c When the meter stops LC r1 L1 d1 r2 L2 d2 and other parameters can be modified and...

Страница 26: ...Dragon Group China Limited BIRD www dragongroupchina com www chinaemall biz...

Страница 27: ...ad free tin paste The tin balls melt first and surround the tin paste so that the flux in the paste can t volatilize and form bubbles inside If there is via on the soldering pad there may be more bubb...

Страница 28: ...burn the components Semi auto reflow retrieval system can save many temperature curves It is important to know the use of temperature curves An precise temperature is the key point in the production w...

Страница 29: ...temperature curve Setting of temperature curve is the first and most important step of BGA rework Compared with reflow temperature curve the control of temperature in rework process is more strict be...

Страница 30: ...tin absorption line to remove the residual tin In the rework process the pad is likely to be destroyed by the wrong operation of the technician thus the total process of BGA rework becomes a failure...

Страница 31: ...Dragon Group China Limited BIRD www dragongroupchina com www chinaemall biz...

Страница 32: ...m the positioning bracket 5 Before soldering BGA check the PCB pad and BGA balls one by one After soldering check the appearance one by one again If there is some problem stop assembling and check the...

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