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Large Nitrogen Lead-free Reflow Oven Series

Large Nitrogen Lead-free Reflow Oven Series Large Nitrogen Lead-free Reflow Oven Series Large Nitrogen Lead-free Reflow Oven Series Large Nitrogen Lead-free Reflow Oven Series
Product name:Large Nitrogen Lead-free Reflow Oven Series
Item:
Details:
Large Nitrogen Lead-free Reflow Oven Series

Product feature

● Import heating elements are used in reflow oven, those make more uniformity temperature and higher thermal compensation; it is suitable for CSP and BGA soldering.

● Special wind wheel design, large ventilation exchange, stable speed.

● Force independent circulation systems are applied in every temperature zone, PID separate control, independently heating in upper and lower zones, more accuracy and uniformity temperature; fast warm up, it only take <30min from room temperature to need temperature.

● High speed motors are imported and anti-high temperature, running stably, little vibration and no noise.

● Double cylinders (electric push) lifting devices are used in the reflow oven, it is more safe and reliable.

● Chain and mesh are synchronously and same speed running, they are adjusted by inverters precisely.

● Aluminum alloy slideway design, no deformation, automatic filling fuel device is designed on chains.

● UPS power protection, that makes PCB normally output after no power and avoid damage.

● Powerful software will monitor and measure PCB temperature online and analyze these data, save and print.

● Industrial computer and PLC communication are using MODBUS, that can ensure stable working and eliminate computer crash.

● Automatic monitoring system will show machine status, operators can change and correct parameters at any time.

● Slideway is no deformation in high temperature which has patent; three screws synchronous adjustment structure can ensure slideway parallel and prevent board off or stuck; no clean and easy adjustment; Width adjustment can be operated by automatically or manual. 

● Chain and mesh are same speed and parallel transmission in reflow ovens, single and double sides PCB boards can be fit; double slideway transport system is optional.

● Automatic width adjustment system is controlled by closed loop PID; reflow ovens will adjust width automatically by inputting parameters; accuracy is 0.2mm.

● Modular design is applied in every temperature zone, hot air motors and heating wires are easy maintenance.

● Force air cooling and fast air exchange, slope is controlled by frequency, that can make solder tin smooth and bright. (N2 filling machine is optional)

● Operators can monitor N2 by N2 flow meter. (N2 filling machine is optional)

● Fast oxygen-nitrogen exchange, it can get high purity nitrogen. (N2 filling machine is optional)

● Vertical leak-proof design, that will prevent nitrogen leakage.

Specification:

Model

LR700N

LR800N

LR1000N

Heating parameters

Heating zones

Upper 7/Lower 7

Upper 8/Lower 8

Upper 10/Lower 10

Length of heating zone

2625mm

3000mm

3750mm

Cooling zone

Upper 2/Lower 2

Conveyor parameters

PCB width

Chain 400mm, mesh 450mm

Conveyor chain width range

50-400mm

PCB direction

L→RR→L

Chain fixing

Front fix(back fix is optional)

Conveyor height

Mesh 880±20mmChain 900±20mm

Transmission method

mesh and chain/mesh

Conveyor speed

300-2000mm/Min

Controlling parts

Power supply

5wires 3phase 380V 50/60Hz

Start power

38Kw

45Kw

58Kw

Work power

Approx.10Kw

Approx.12Kw

Approx.15Kw

Warm up time

About 20 min

Temperature range

Room Temper ature-400

Temperature control

PID closed-loop controlling, SSR drive

Machine control

Computer and PLC

Temperature accuracy

±1℃

Temperature deviation

±1-2℃

Cooling

Air cool

Alarm

Abnormal temperature (over high/low)

Three color light

Three colors light:

yellow—warm up; Green-constant temperature; Red—abnormal

Machine size

Weight

1900Kg

2100Kg

2400Kg

Machine size (mm)

L4850*W1400*H1600

L5150*W1400*H1600

L5900*W1400*H1600

Exhaust air

10M3/min  2 exhaust channels Φ180MM

N2 device

N2 protection device

N2 flow 20-30M3/H, O2 concentration 500-800PPM

Outside water cooling

Power 3kw, cool speed≧6℃/sec

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