In the last article ‘How to Select Proper Router Bits for Your Job (Ⅰ), we talked about some of the tips for choosing router bits, and here we're going to talk about the rest.

To work on multilayer board, plywood, MDF wood, proper router bits is one flute spiral router bits for solid wood. This router cutter adopts small spiral angle design, which is better on performance of chip removal. Back with fine thread, better rigidity, wear resistance. It has good cutting force and leaves very clean surface near the slots it cut when working on solid wood and high density board. And it is not burning knife. A and AA series milling bits are better on performance of service time and machining efficiency. Another alternative to work on same materials is double straight flute router bits. 

To process Polyurethane skin sheet, suitable cnc cutter is double flute (one flute, three flute) spiral compression router bits. It leaves clean finishing after cut and not burst.

Cutting high density board and solid wood is recommended to use three flute spiral router bits.

For printed circuit board, recommended cnc bits are teeth end mill router bits. Another choice is double large flutes spiral milling bits.

For thick hardwood and chipboard, proper router cutters are spiral router bits with chip-breaker and down cut spiral router bits with chip-breaker.

3D engraving bits are ideal for precise 3D engraving jobs. This engraving bits has a high degree of concentricity and a sharp edge. Large diameter (more than 12.7) cnc bits are better on rigidity performance; have character of strong grip strength, good anti beat and more durable. 

For woodworking jobs, other thick material oblique section processing or deep relief, proper router bits are long cel double straight flat bottom engraving bits, double straight slot radiused bottom engraving bits and two flutes spiral spole flat ball nose bits. All them are grinded by high precision cnc machines; finished product by them with high precision, smooth finish, which is far better than the general ball nose router cutters and flat bottom milling bits. They are the right tools for multi spindle cnc router machines to make deep relief jobs.

TCT router cutters are ideal for large quantity wood cutting jobs. One flute (two flutes, three flutes) spiral (downcut) design improves the efficiency of roughing process; unique designed chip breaker can reduce resistance and increase tool durability in high speed machining.

Flat bottom engraving bits for steel, one flute (two flutes) straight cnc bits and one flute spiral cnc bits are used to engrave on metals. To cut iron sheet, galvanized plate and thin stainless steel plates, proper router bits is one flute spiral router bits for stainless steel. It can cut without water and leaves very good finishing on the surface it cuts.

For metal mold processing, it is suggested to use tungsten router bits.

                                                             Origin Article from Jinan EagleTec CNC Machinery Co., Ltd.

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