drill backup board Have a certain surface hardness (reach to 80+-2 shore)to ensure. that the machine drills bit removal chip to keep the drill holes wall clear and reduce the drilling burr. but not too hard and wear the drill bit to protect the pcb driller.
drilling printed base material made of wood fibre, which has no resin composition. and this drill bed does not produce the melting resin ball adhering to the holes wall. when high speed mechanical drilling.
this printed circuit exit material has certain heat conduction function. which takes away the heat generated during board drilling. reduces the high temperature of the drill bit during speed drilling. and prevents annealing of the drill bit.
Ideal exit material for high precision pcb manufacturing. Material uniformity, less impurities, no metal impurities. in line with ROHS standards.
Thickness tolerance of this product controlled within (+0.15mm) to . avoid frequent change of drilling machine bit height during pcb panels drilling.
pcb hole size can within 0.3mm.The performances of drilling holes are . higher than those of non-professional rotary perforated wood fiberboard. medium density PN wood fiberboard. high density PS wood fiberboard and resin wood fiberboard. which are close to phenolic pcb board. drill size. drill diameter can less than 0.3mm
pcb board custom service such as drills registration holes. cut to size also provide for back drill pcb.
wood backing board advantages
WOOD Backing board for high speed circuit board PCB drilling machine 2.0mm wood backing board designed for automatic PCB DRILING machine.
excellent underlay board no chipping. and free burr properties means lower risk of flute blocking and drill breakage
Reduced friction causes less wear on drill cutting edges, improving drill quality
Reduced drill burr due to a smooth, hard and very thin overlay
No phenolic or resin content to contaminate holes
Excellent flatness and tight thickness tolerances
Suitable for all drill hole size
Usable on both sides without loss of quality. because of symmetrical build-up unique to
