Are you still using CMT woodworking router bits in 2024?
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Are you still using CMT woodworking router bits in 2024?
Before we study the brand name, I would like to introduce why use solid carbide router bits?
Because of the unique properties of solid carbide router bits. The cutting edge quality of solid carbide spiral cutters is the best among all available design tools. In addition, solid carbide router bits can produce excellent edge cutting effects at the highest feed rates of various CNC routers.
Therefore, do you know the most famous brand of CNC woodworking router bits in 2022? Our Carbide should be the new star in this line, even more famous than CMT tools. How could Our Carbide compete with this old brand?
First, you should know the main types they offer and what advantage they have.
Straight Router Bits:
It is designed with a straight blade and no spiral blade. Due to the large contact surface between the blade and the workpieces during cutting, there will be greater frictional resistance and the blade is easy to wear. Its service life is shorter than that of spiral cutters, and it is suitable for cutting softer materials.
Spiral Router Bits:
The design of the spiral blade can reduce the resistance caused by contact with the workpiece during cutting. In addition to high-speed cutting, it can also improve processing efficiency. Compared with straight cutters, its service life is longer than straight cutters, and it is suitable for cutting harder materials.
Single Flutes Spiral Router Bits (Right Rotation):
The so-called “Single Flutes Spiral Router Bits (Right Rotation):” refers to the “left” turning cutting combined with the “right” spiral groove. The single flutes router bits will discharge the wood chips spirally upwards during cutting, which is particularly useful in the situation of milling grooves. Under certain conditions, the single flutes router bits may pull the workpiece up during cutting. Additional fixtures may be required or the depth of cut must be completed in stages.
When the single flutes router bits are used for penetrating cutting, the cutting effect at the bottom of the workpiece will be fine and smooth. When cutting certain materials, rough burrs are likely to appear on the top of the processed objects.
The single flutes router bits can be used for direct vertical downward feed or drilling, but the vertical feed is prone to chipping, so it is not recommended to use it. We suggest taking the slanted trajectory to feed. The slanted trajectory feed method is to gradually increase the axial depth of cut to the set axial depth of cut. The milling force is gradually increased, so the impact on the tool, and the spindle is more than The vertical lower knife is small, which can obviously reduce the phenomenon of lower knife chipping.
Compound spiral knife:
The compound spiral knife is a combination of the upper rotary blade and the lower rotary blade on the same tool. The upper and lower blades cut the compressible workpiece at the same time, to avoid the generation of chips or burrs on the top or bottom of the workpiece.
Compound spiral cutters are widely used for cutting double-sided laminated laminates (laminate), but they can also be used on natural wood with burrs.
How about the Comparison of different processing methods?
| Type | Fineness | Chip Breaking Effect | Cutting Edge | Description |
| End milling | 1ST | 3RD | The cutting edge is a smooth design, and the cutting result is fine and smooth | Suitable for all kinds of processing requiring surface fineness |
| Coarse and fine milling | 2ND | 1ST | The cutting edge is wave-shaped design, and there will be fine lines during machining, and the cutting result is rougher than that of end mills | mostly used for machining operations that do not emphasize fineness |
| Rough milling | 3RD | 2ND | The blade is designed with a serrated shape, which is intended to cut the sawdust generated during cutting into smaller pieces. This can reduce energy consumption and tool swing during cutting, and is more conducive to the discharge of sawdust | It is generally recommended to use this tool when cutting hardwood or high-density materials at high feed rates. It is a good compromise tool between end mills and rough mills |
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