SD-800L Hot Air Circulation Lead-free Reflow Oven

Manufacturer	SD
Model	800L

It adopts LCD computer + Intelligent Siemens control system and adopts modular temperature control system with high precision of ± 1 °C (if the computer crashes accidentally, it can work offline without affecting production) , which guarantees the stability and reliability of the Control System;
Windows 7 operating interface, powerful, easy to operate, and with a key reduction system;
The upper furnace body is opened with a double cylinder jacking machine to ensure safety and reliability
Equipped with net belt tension device, smooth transportation, no jitter, no distortion, to ensure smooth PCB transportation;
The transmission mechanism of synchronous guide rail (can connect with automatic mounter on-line) to ensure accurate width adjustment of guide rail, high service life and anti-button curve;
Manual control lubrication system, refueling time manually controlled by the amount of oil, lubrication transmission chain;
All heating areas are PID controlled by computer (can be divided into separate temperature areas opened separately. can be divided to reduce the starting power, heating time 10-15 minutes) ;
The network/chain transmission is controlled by computer in full closed loop, which can meet the needs of different kinds of PCB production
Has the breakdown sound and light alarm function (uses the LED lamp) ;
Built-in UPS and automatic delay shutdown system to ensure that the PCB and reflow soldering machine in power failure or overheating from damage;
It adopts the world-leading hot air circulation heating mode of Heller, high-efficiency pressurization type accelerating air duct, greatly improves the circulation hot air flow rate, raises the temperature quickly, has high thermal compensation efficiency, can carry on the high temperature welding and curing;
Temperature zone is equipped with independent temperature sensor, real-time monitoring and compensation of the temperature balance of the temperature zone;
Have password management of the operating system, to prevent unrelated personnel change process parameters, Operation Records management traceable process parameters change, easy to improve management. The utility model can store the user’s existing temperature speed setting and the temperature curve under the setting, and can print all the data and the curve;
Integrated Control Window, computer switch, test curve, print curve and transfer data are easy to operate, design humanization. Equipped with three-channel temperature curve on-line testing system, it can test the actual temperature curve of the welding object at any time (without additional temperature curve tester) ;
The rapid cooling system, which comes from international technology, adopts Magnifier type concentrated and high efficient rapid cooling, the cooling rate can reach 4 ~ 8 °C/SEC, so it is very convenient to manage and ensure the crystallization effect of solder joint
Rosin recovery system: set up the rosin recovery system in the constant temperature zone of the inlet and preheating zone of the furnace body, and set waste gas recovery system in the reflux zone and cooling zone, the maintenance operation is convenient, quick and flexible. The special pipe is used to transport the waste gas
Specially designed pressurized air transport structure and shaped heating wire design, no noise, no vibration, with high heat exchange rate, the temperature difference between BGA bottom and PCB board is extremely small, most in line with the strict requirements of lead-free process, especially for high-difficulty welding requirements of lead-free products.

Zones Reflow Oven

Model number	800L
Body size	505013501550mm
Weight	1800KG
Temperature Zone	There are 16 full-hot-air double worm gear pressurization temperature zones in the upper 8-temperature zone and the lower 8-temperature zone
Length of heating zone	3260mm
Total power	48KW
Starting power	38KW
No-load after constant temperature power	About 6-8 kw
Indoor warming time	About 15 min
Constant temperature stabilization time	2 min
Heating filament	Spiral 2-bit integrated straight-inserted drawer type, imported high-quality heating wire group, fast heat exchange, long life, high heat utilization.
Frequency converter	The hot air frequency is controlled by 2 Japanese Matsushita inverters, and the frequency of the inverters is adjusted according to the production products to change the wind speed, so that the product quality is more reliable,
Hot Air Motor	Taiwan Sanyue High Temperature Motor, three-phase AC220/380V 125W speed 2800 rpm
Total power	48KW

Reflow welding technology has many advantages over the traditional manual welding method. First, reflow technology enables efficient production lines. Through the use of automated equipment, reflow technology can greatly improve production efficiency, shorten production cycles, and reduce the occurrence of human factors and failures caused by human operations.

Second, reflow technology is very suitable for surface mount electronic components. Compared with traditional manual welding methods, reflow welding technology can more accurately weld electronic components, improve welding quality and product reliability. In addition, reflow technology can also enable the production of smaller and lighter electronic components, which is very important for the manufacture of micro electronic components.

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SD-800M SMT Reflow Soldering Machine

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