1.It make the hole and copper surface clean 2.It make the hole coarsen thoroughly 3.It ensure the solder uniform on the PCB

Pre-treatment of Hot air leveling

Main parameter:

Working height:	900mm
Working width:	640mm
Wheelbase:	48mm 70mm
Working speed:	0-5m/min
Supply voltage:	Three phase four wire,380V/50Hz
Max work piece:	610mm×460mm
Min work piece:	150mm×150mm
Working thickness:	0.4~2.5mm
Water consumption:	24~36 L/min

Working process:

Feeding → Micro etching → Recycle water washing →High pressure water washing → Urban water washing → Drying → Inspect → Coating solder

Application:

This machine is used in pre-processing of hot air leveling. It make the hole and copper surface clean and coarsen thoroughly that is ensure the solder uniform on the PCB.