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The main reasons for solder joints not full are as follows:

1. The activity of the flux in the solder paste is not enough, and the oxidized

substances on the PCB pads or SMD solder joints are not completely removed.

2. The moisture retention of the flux in the solder paste is not good.

3. PCB pads or SMD soldering positions have serious oxidation.

4. During reflow soldering, the preheating time is too long or the preheating

temperature is too high, cause the failure of flux activity in the solder paste.

5. If the solder paste has not been fully stirred or the flux and tin powder have not

been fully fused. If, there will be insufficient tin on some solder joints.

6. The soldering zone temperature is too low.

7. Insufficient amount of solder paste at the solder joint.

8.2 Precautions

*Keep a certain distance of more than 100mm when PCB size exceeds 100mm.

*If the PCB length is longer than the ESD tray, the ESD tray needs to be replaced by

other suitable carriers to place the soldered PCB.

*For your personal safety, after opening the incubator, the incubator must be supported

by the support rod before proceeding to the next step.

*The upper cover and incubator can only be opened after the bottom caster is lay down.

*The power board and control board should not be touched when the power is on.

Support Rod

keep distance of

more than 100mm

Содержание IN12C

Страница 1: ...Zhejiang NeoDen Technology Co Ltd User Manual V1 1 Reflow Oven NeoDen IN12C Power saving with built in smoke filtering system With smart temperature curve testing system Easy operation ...

Страница 2: ...tentions 7 7 4 3 Status of Indicators 8 8 4 4 Operation instructions 8 12 5 Temperature wave setting principle 12 18 5 1 The reflow soldering theory and the temperature wave 12 13 5 2 The set of the temperature wave 13 18 6 Temperature profile setting method 19 19 7 Temperature testing way 19 19 8 Both side soldering instruction 19 19 8 Trouble shooting 20 22 8 1 Soldering analysis 20 21 8 2 Preca...

Страница 3: ...ht of the whole rail is less than 5KG which effectively reduces the burden of long time use of the motor improves the stability of the whole electric control improves the service life of the motor the rail runs smoothly the product runs on it with little vibration 4 Permanent service life traditional carbon steel chain has 4 riveted joints for each section which is easy to loosen after long time u...

Страница 4: ... saving low power consumption low power supply requirements the ordinary civil electricity can meet the use Compared with similar products in the market the electricity costs that this machine can save for you within one year enables you to purchase your second IN12C 20 The custom developed stainless steel B mesh belt is durable and wear resistant Not easy to deform after long time using 21 Beauti...

Страница 5: ...eaches 0 5 30 Adjustable wind speed in all heating zones and cooling zones easily coping with various soldering requests 31 The upper temperature cover is automatically limited once opened effectively ensuring the personal safety for the operators 2 Specification Model NeoDen IN12C Heating Zone Quantity Upper6 Down6 Cooling Fan Upper4 Transmission Rail Heating Type Nichrome Wire Aluminum Alloy Hea...

Страница 6: ...5 3 Main Parts 3 1 Reflow Oven Main Body 3 2 Operating Panel ...

Страница 7: ...6 3 3 Cover and Heating Zone 3 31 Heating Zone ...

Страница 8: ... connected to one zero wire the E should be connected to one ground wire properly 4 2 Installation Attentions Voltage requirement 220V The electricity wire need no less than 2 5mm2 it s better to directly use 4mm2 If 2 5mm2 then it can only connect with one set of IN12C Reflow oven other equipment will not be allowed to connect together The machine should be set in standard SMT workshop stay away ...

Страница 9: ...the machine Rail width adjustment method The green button above the red temperature measurement interface on the left in above picture is narrow adjustment the green button above the blue temperature measurement interface on the right is widening adjustment press and hold the green button for 3 seconds and then it automatically enters the fast width adjustment mode within 3 seconds for precise adj...

Страница 10: ...erature reached Save and use of soldering formula Save method Click SAVE AS on the main control page or click the file list page on the left to enter the file management page Select the location you want to save the file list box will turn green when selected Click the SAVE button to save the current used formula and file name at the same time there will be a beep after success How to modify the f...

Страница 11: ...mplexity of each product the temperature parameters generated are only used as reference In order to achieve the best solder effect it is necessary to measure the temperature curve and improve the parameters after comparing with the temperature curve provided by the solder paste manufacturer Step 1 select the type of solder paste to solder the product If the model is not found in the list please g...

Страница 12: ...ECTOR attach the sensor to PCB and then click start button in the curve setting interface after PCB is put into the oven to get the temperature curve click stop to pause the generation of temperature curve and click clear to clear the temperature curve record The red green yellow and blue sub table represents the real time temperature of sensor on four interfaces corresponding to the same color Te...

Страница 13: ...efers to the PCB surface temperature When working the temperature displayed in the temperature zone on the panel is the actual temperature of the heating unit which does not represent the temperature in the oven and the actual temperature of the plate surface Therefore the temperature displayed will be about 20 40 degrees higher than the temperature in the oven The actual use is related to the cha...

Страница 14: ...e with different metal content should have different temperature wave and the reflow temperature wave should be set according to the temperature wave provided by the solder paste manufacturer In addition the temperature wave is also related to the density and size of the heated PCB and components An optimized reflow temperature wave is one of the most important factors to obtain high quality solde...

Страница 15: ...n the PCB pad and the corresponding component pin or metal end Figure 1 Attach thermocouple tip between PCB pad and corresponding component pin or metal end The table of solder paste characteristic parameters is also necessary and the information contained in it is very important to the temperature wave such as the desired duration of temperature wave the active temperature of solder paste the mel...

Страница 16: ...al heating zone The function of this area is to increase the PCB assembly temperature from the active temperature to the recommended peak temperature The activation temperature is always lower than the melting point of the alloy and the peak temperature is always at the melting point The typical peak temperature range is 205 230 if the temperature is set too high in this area the temperature rise ...

Страница 17: ...ture which is typically slightly higher than the human body temperature of 37 C 98 6 F For example the automatic trigger of 38 C 100 F allows the thermometer to start working as soon as the PCB is put on the conveyor chain and into the furnace so that the thermocouple will not be triggered by mistake when it is handled by the human Once the initial temperature profile is generated it can be compar...

Страница 18: ...17 Figure 3 Preheat too much little soldering profile Figure 4 Set too high low temperature of active zone ...

Страница 19: ...inal temperature profile is as close as possible to the desired profile tke record or store of the parameters for later use Although this process is slow and laborious at first it can eventually gain proficiency experience resulting in high efficiency production of high quality PCBs ...

Страница 20: ... set temperature Different PCB boards have different heat transfer rates and heat absorption then the heating time and temperature required by soldering are also different For double layer boards and multilayer boards and PCBs with more areas and pads the setting temperature is relatively higher And for single sided boards or paper plastic boards or different areas the setting temperature of PCBs ...

Страница 21: ... migration Moist overtime Increase the belt speed Lower pre setting temperature Solder skips The solder paste is not enough on pad the unevenness of the micro component the PCB coplanarity problem Thickened tin paste coating Try to make the solder on the pad even Check component pin stability PCB over heat Heating speed too fast Decrease transfer chain speed and temperature Analysis on the cause o...

Страница 22: ...nd tin powder have not been fully fused If there will be insufficient tin on some solder joints 6 The soldering zone temperature is too low 7 Insufficient amount of solder paste at the solder joint 8 2 Precautions Keep a certain distance of more than 100mm when PCB size exceeds 100mm If the PCB length is longer than the ESD tray the ESD tray needs to be replaced by other suitable carriers to place...

Страница 23: ...er cover and push out the left filter cover to the right push out the filter installation chamber and the filter assembly to the right together replace the prepared filter assembly and install it in the reverse order of disassembly Replace the right filter assembly remove the fixing screw of the right filter cover push the right filter cover out to the right push the filter installation chamber an...

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