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Details about  Preheating Oven T8120 + BGA IRDA WELDER T835 kit CE Bz

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Preheating Oven T8120 + BGA IRDA WELDER T835 kit CE Bz
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Item condition:
18 Apr, 2015 16:43:04 BST
£65.00 Economy Delivery | See details
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Item location:
ZhengZhou, China

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Last updated on  17 Mar, 2015 08:49:50 GMT  View all revisions
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Item specifics

New: A brand-new, unused, unopened and undamaged item in original retail packaging (where packaging is ... Read moreabout the condition

By placing your bid, you are agree to follow our store policy below: ●All purchased are final, will replace defective product only. ●Return package must be in the original packaging, everything must be in new condition.Missing part’s or anything in original contact will not qualify for any refund. ●Unless marked in the auction, all product follow our 2 months warranty policy. ●Defective item can be exchanged within 7 days of receipt.Please send us some photoes as evidence. ●Within warranty period, all exchanges due to defects are free (Buyer is responsible for shipping charges). ●Shipping and handling fees are NOT refundable in any case. ●Custom duty is responsible by buyer. ●Replacement and refunds will not be processed until the return item received. ●Customer is responsible for correct address and received of package. Customer is responsible to all shipping if return package due to customer unable to received the package. ●Please do not ask us to reduce the price and shipping and handling fee of the item after you have won the auction. ●We are not responsible for wrong or undeliverable address, customer responsible undeliverable Express package return fee and re shipping fee.A valid phone number can make the delivery process more quickly and more safely.

40W Laster Engraver Power Supply




1. The machine selects the infrared highly effective component to give off heat which independent exploration, adopt advanced PID intelligent controlling warm heating technology, controls warm precisely.

2. Can achieve to heat PCB board and component which contains lead or not,especially suit to BGASMD.

3. Use infrared heat, easy to cut through, heat proportion, don’t have sirocco flow. Don’t shift the small component on the PCB board,ensure the welding quality.

4. This machine has 600W heating system, widely to 120x120mm.Can use with the handhold infrared welder T-835.

5. Easily operate, can operate it through easy training.



Work floor size


Rated voltage and frequency

AC220-230v/AC110V   60/50Hz

Complete machine power


Preheating chassis power


Preheating chassis size


Preheating chassis temperature adjustable


Main Component:

Preheating oven main body


Temperature sensor


Board support of the circuit


Power line


User manual (compact disc)


2. Technical parameter

Rated voltage and frequency


Complete machine power


Infra-red lamp power


Infra-red lamp heating size


Adjustable temperature of Infra-red lamp


3. Main Parts




Welding table



Infra-red lamp



Temperature sensor



Infra-red lamp holder



Power cable



user manual(Compact disc))





6. Operation method 

6.1.Starting and inspections before starting:

. Check if the cables of infra-red lamp, temperature sensor and power supply were connected well or not before starting.

. Turn on the power supply switch. Then let the machine work till Self-checking is finished. (Temperature displayed after self-checking is your room temperature.)

. Switches on the front panel are used to control the work process of infrared lamp. Press the front panel “” up button, “” down button to adjust the temperature of infrared lamp between 0-350. Press the switch “ON” to let infrared lamp work; press the switch “OFF” to stop working.

6.2. Sealing off/repair operation:

6.2.1 PCB board laying aside:

Will elect well the PCB board select the appropriate working position.

6.2.2 Before sealing off/repair adjustment and preparatory work:

.According to the chip size and the welding technological requirement, selects the suitable infrared lamp the heating temperature(0-350 adjustable). When the sealing off is smaller than the 15x15mm chip, may adjust the infra-red lamp temperature to 160-240 about; When the sealing off/repair is smaller than the 20x20mm chip, may adjust the infra-red lamp temperature to 220-240 about; Opens in a big way, when 30x30mm chip, according to the craft and the user experience, may adjust the infra-red lamp 240-260; about.

Adopt infrared heat lamps no steps, you can adjust the size according to chip temperature freely. When the infrared heat lamps adjustment knob to adjust the largest, most powerful infrared light line, warming up faster chip, in the process of welding special attention to temperature control, to prevent displacement temperature senor chips not lead to heat a long time, heating up too high, burned chips.

.Regulation infrared temperature senor lights, place it in the chips or aside suitable location nearby. Chip in and around the senor head painted Flux(welding or welding-oil),this would enable senor measured the temperature more accurately, while helping the solder flux role, BGA pad will be more intact, can effectively prevent the pads from the stick and tin from the hair, and other issues.

6.3. Soldering / unsoldering operation:

6.3.1. Fix the PCB board: Put the PCB board to suitable place.

6.3.2. Preparation and adjustment before soldering/unsoldering:

Adjust infra-red lamp input temperature between 0-350 according to Chip’s size and requirements of welding technology. Set temperature between 160-240 to unsolder chips which size is under 15x15mm size; between 220-240 to unsolder chips under 20x20mm; adjust the temperature between 240-260 to unsolder chips over 30x30mm.

This machine adopts stepless methods to regulate temperature. When you regulate infra-red lamp to max power, infra-red lamp releases the strongest rays to make chip’s temperature rise fastest. In the process of welding, please pay attentions to temperature control sensor to avoid burning chips because of high temperature.   

Put the temperature sensor at the suitable place near the Chip. Spread flux on the head of sensor for accurate temperature; spread flux around the chip to guarantee better welding.

6.3.3 Unsoldering/ soldering process: Unsoldering process:

. Fix PCB board.

. Place the temperature sensor, spread flux, set infra red lamp work temperature, then start infra red lamp.

. Adjust the place of infra red lamp to make the facula on the chip.

. Adjust the height of lamp to keep the height between 20-30mm. When the temperature is risen to your preset temperature or tin pan melt, please use vacuum suction or tweezers to remove chip, then power off the infra red lamp.

. Switch off the power after the machine completely cooled down. Unsolder all kinds of needle-socket, such as CPU, GAP, users need buy an infra preheat box.

General operation: First cover the PCB board that needn’t repair or that should be avoid high temperature with aluminum foil, fix PCB board well. Then set the preheat temperature between 160-180, put temperature sensor near the component you will unsolder or welding. Thirdly, start preheat chassis for 3-5 minutes or even longer time to make the component heated evenly. In some special conditions, please use infra red lamp as auxiliaries to heat quickly. 

For the lead-free device, the temperature can be increased 20-30.

For two-faced board, please adopt lower preheat-temperature to preheat PCB board, supplemented by infrared heat at the top. Welding process:

   Welding process is nearly same as unsoldering process, but users should pay attention to clean the tin pan or pads and ball-planting, put Chip on the right place before heating.

6.4. Attentions in the process of unsoldering/welding

. For some simply encapsulated chips, we suppose you put a small piece of aluminum foil on silicon position to prevent chips crack from overheating. The size of aluminum foil should be slightly bigger than silicon, otherwise, it will influence the welding effect.

. In the process of unsoldering/welding, all the plastic plug-in units within the scope of infra red lamp rays should be covered with aluminum foil to prevent deforming or damaging from high temperature. 

.Clean and test the PCB board after cooled down.

. Please don’t let infra red lamp work for long time without PCB board. To let infra red lamp irradiate the articles with strong reflection is strictly forbidden, otherwise, the service life of lamp will be shorten.

6.5. Infra-red lamp maintenance:

. The preheating chassis and the infra-red lamp body, specially the infra-red lamp high insightful protection slide, should be regularly wiped off dust or condensate of flux by with dehydrated alcohol to keep infrared heat radiation unobstructed.

. Put hand-help lamp back to the support after use to make infra red lamp completely cool down.


7. Attentions:

. Don’t switch off the power after use till the fan fully cool down, which will prolong the service life of the machine.

. Keep the intake of ventilated and lamp clean. Clean the infra-red lamp high insightful protection slide regularly with dehydrated alcohol.

. Be careful of security under high temperature.

. Take out the power supply plug-in if don’t use for long time.


8. Maintenance Warranty

We guarantee the machine quality for a year. The service of infrared lamp is designed for 1000 hours. We guarantee the infrared lamp is used for three months. We provide infrared lamp, but not free of charge. If you have any problems or questions about the machine, please enquiry online, we provide technical advisory.



Above products information is only for reference, take the finial products as the goods criterion. Our factory holds the information revision and update right.


The package will be marked as a personal gift with a lower value to help you save customs tax.But if you still be charged with the low invoice,you have to pay it by yourself. The price does not include the customs tax. Appreciate your kind understanding.

We accept 1.UK Bank transfer 2.PayPal 3. Moneybookers 3.the customers want use a Credit Card or Debit Card, who can also make a payment via above two methods.
1. One fee for all We use the handling charge to cover all our shipping department cost, i.e. carriers fee, packaging materials, fuel charges, boxes, and labels.For many countries the shipping fee are vary, you need contact us to confirm the shipping cost. Please do not bid if you don't agree with our shipping and handling prices. No Local pickup for auction customers. No third party shipping carrier will be used. 2. When you receive your order Your items will be shipped in 1-2 working days after your payment is cleared. The shipping time is 4-5 working days. sometimes take a little longer, Due to Local dispatch Or other reasons.
We alway care about you our valued customer, please feel free to contact us via email. Your satisfaction is our goal.
1.Multiple purchases saving plan: Please make sure single payment for each item you won. We will combine the shipping when you make multiple purchases. 2. Correct and sufficient corresponding information: Please attached your telephone number when you payment so that we can post your package safety and smoothly. Always make sure provide sufficient information to help us make a smoothly delivery.
1.Return package must be in the original packaging, everything must be in new condition.Missing part’s or anything in original condition, otherwise it will not qualify for any refund. 2.Within warranty period, all exchanges or repairment due to defects are free (Buyer is responsible for shipping charges).3.Replacement and refunds will not be processed until the return item received.
If you want to make an enquiries or require advice about any of the products or services we have listed on our site or are looking for something which you cannot find on our site then please feel free to visit us and drop your questions at (MSN). We will be happy to help you!

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