> 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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Mind, he declares, is an attribute everywhere accompanying matter, co-extensive and co-infinite with space. Our own animation is the sum or the resultant of an animation clinging to every particle that enters into the composition of our bodies. When our thoughts are affected by an external impulse, to suppose that this impulse proceeds from anything material is a delusion; it is produced by the mind belonging to the body which acts on our body; although in what sense this process is to be understood remains a mystery. Spinoza has clearly explained the doctrine of animal automatism, and shown it to be perfectly conceivable;569 but he has entirely omitted to explain how the parallel influence of one thought (or feeling) on another is to be understood; for although this too is spoken of as a causal relation, it seems to be quite different from the logical concatenation described as the infinite intellect of God; and to suppose that idea follows from idea like movement from movement would amount to a complete materialisation of mind; while our philosopher would certainly have repudiated Mr. Shadworth Hodgson’s theory, that states of consciousness are only connected through their extended substratum, as the segments of a mosaic picture are held together by the underlying surface of masonry. Nor can we admit that Spinoza entertained the theory, now so popular, according to which extension and consciousness are merely different aspects of a single reality. For this would imply that the substance which they manifest had an existence of its own apart from its attributes; whereas Spinoza makes it consist of the attributes, that is to say, identifies it with their totality. We are forced, then, to conclude that the proposition declaring thought and extension to be the same thing570 has no413 other meaning than that they are connected by the double analogy which we have endeavoured to explain. “Oh, he’s welcome to it,” Sandy cried. “I’ve turned over a new leaf!” “But—are they?” He pulled a wire out a trifle from the sheath. The sergeant spent more time upon the oaths with which he embellished the counter-question as to how he should know anything about it, than would have been consumed in a civil explanation. "Doctor, he can't die. He mustn't die," said Shorty in agony. "The regiment can't spare him. He's the best soldier in it, and he's my pardner." AND ENTERS UPON HIS PARENTAL RELATIONS TO LITTLE PETE SKIDMORE. 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