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The machine feature:
1-This oven is online model for pcb glue cure(under fill epoxy),or conformal Coating,etc.
2-The cure temperature range:90-200 degrees.
4-The length of heating zone is determined according to the output.
For example,customer requirements:
a>product cure time :20min
b>pcb lenght:200mm
c>minimum conveyor speed of the machine:300mm/min
then
a>heating zone =20min*300mm=6m
b>output=8hour*60min*300mm/200mm=720pcs/8hour
5-The machine conveyor mode:mesh /chain or both.The selection of mesh belt and chain depends on the weight of the product.
6-The clearance height in the furnace depends on the size of the product.
7-Conveyor height standard:900+/-50mm
8-Cure heating mode:IR+Hot air convection
Advantages of IR heater: It has high thermal efficiency, infrared ray has penetration function, the internal temperature of fluid heating object is higher than the external temperature(Heat up from inside to outside), and the surface is perfect without foaming.
But its disadvantages are also obvious:it is difficult to control the temperature.
Therefore, the heat transfer mode of the machine introduces hot air convection.
Hot air convection:make the temperature uniform and accurately control the temperature.
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