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reflow oven
Model: reflow oven E8
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Heating System
> Eight groups of top and bottom forced hot air convection heating zones.
> Patented heating plates in each zone uniformly transfer heat to the PCBs using forced hot air convection.
> Independent temperature control in each zone to ensure temperature uniformity within the process tunnel.
> Power consumption savings of 1/3 as compared to other systems.
> Patented motorized blower in each zone is designed to ensure stable air pressure, withstand high process temperature and is disturbance-free.
> Audible and light tower alarm for temperature limits, PCB drop, PCB jam and blower malfunction.
> Fast start-up (within 20 minutes) from room temperature to work temperature due to the high efficiency of the motorized heating plates.
Cooling System
> Two (2) groups of forced air convection cooling zones.
Distortion-free Conveyor System with Automated Chain Lubrication
> Combined pin chain rail and mesh belt conveyor system (Note: Mesh belt is not available on machines with center board support.)
> Closed-loop computer control of the conveyor provides a precise and repeatable reflow process.
> Automated chain lubrication system with a computer controlled central reservoir. Lubricant is added directly to the conveyor brush eliminating operator interface for this maintenance.
Fresh Air Recharge System
> Fresh air is supplied to each zone uniformly to provide a rapid process transfer.
Flux Management System
> Air amplifier forces supercharged flux collection and recirculation.
> Flux exhaust chimney with drawer shaped filter net is easy to access for maintenance.
Control System
> PC control system with windows based control software.
Additional Features
> Integrated UPS will be automatically activated in case of main power failure and will keep control PC and conveyor running for minimum 8 minutes to send out PCBs inside the oven tunnel.
> Motorized hood lift allows easy access to the inside of the oven for service and maintenance.
> Five (5) profiling ports and integrated profiling software are designed for convenient temperature profiling.
> Swing arm control PC station
> Four (4) emergency stop switches
> Two (2) exhaust ports
> SMEMA interface
> System documentation
Specifications E8(8-Zone)
General
Outside Dimension(L*W*H) 4800x1250x1490mm
Standard Color Computer Grey
Weight Approx.2250KG
Number Of Heating Zones Up8/Bottom8
Length Of Heating Zones 2900mm
Exhaust Volume 10M3/minx2(通道) Exhausts
Standard Feature Of Control System
Electric Supply Required 3phase,380V 50/60Hz
Power For Warm Up 30KW
Power Consumption 8KW
Warming Time Approx.20 minute
Temp. Setting Range Room Temp. --- 300℃
Temperature Control Method PID Close Loop Control + SSR Driving
Temperature Control Precision •1.0℃
Temperature Deviation on PCB •1.5℃ (by MR Board Test Standard)
Heating ElementEspecial Heating elements For Long Life ;
Commutated Element Aluminium Alloy Plate
Max. Temp. Gap Between Preheat & Reflow Setting 80℃
Max. Temp. Gap Between Preheat Zones Setting 40℃
Max. Temp. Gap Between Reflow Zones Setting 50℃
Data Storage Process Data and Status Storage
Abnormal Alarm Abnormal Temperature (Extra-high / Extra-low Temp.)
Board Dropped Alarm Tower Light: Yellow?arming; Green-Normal; Red-Abnormal
Features Of Conveyor System
Rail Number 1 Lane
Max.Width Of PCB 320mm (Option:610mm )
Components Clearance Top/ Bottom Clearance of PCB is 25mm
Converyor Direction L→R (Option: R→L)
Fixed Rail Side Front Rail Fixed(Option:Rear Rail Fixed)
Transmission Agent Air-Reflow = Chain + Mesh ,N2-Reflow=Chain(Mesh is option)
Center Support (Option) Preventing PCB warp such too wide and heavy component load
Converyor Height 900+/-20mm
Converyor Speed Range 300～2000mm/min
Lubrication Auto-Afflux Standard
Temp. Thermocouple Slot Standard
Driven Top Hood Opening Standard
On Line Editing Standard
Cooling MethodForced-Air (Standard), Water-Chiller (Option)
Model for Nitrogen Process
Power For Warm Up 32KW
Power Consumption 12KW
Flux Management System Flux Reclaimed and Filtration standard for N2 Oven, easy clean-up.
N2 containment at Entry and Exit End Standard
Flux Reclaim System Standard
Nitrogen Flow MeterStandard
Oxygen Analyser Option
Nitrogen Consumption [Standard] 400~1000PPM 20M•H
Water Chiller 3 HP ; External Stand-alone Type ; Powerful Cooling suit to Lead-Free Process Required
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