Carbide Woodworking Cutting Tools

In the production of the wood industry, a good tool is indispensable to complete the cutting process with high quality and high efficiency.

With the advancement of wood industry technology, various wood composite materials, veneers, wood, bamboo glulam and other materials are more and more used in furniture, floors, roof panels and engineering wooden parts, so the requirements for processing tools also further improved.

Currently, commonly used tool materials are carbon tool steel, alloy tool steel, high-speed steel, cemented carbide, ceramics, diamond, cubic boron nitride, etc. Carbon tool steel and alloy tool steel are only used for some hand tools and knives with low cutting speed due to their poor heat resistance; ceramics, diamond and cubic boron nitride are only used for special occasions. The most used materials are high-speed steel and cemented carbide.

With the development of automation in the wood-based panel industry and wood processing industry, cemented carbide, a material with high wear resistance, has become the main tool material for wood.


Carbide Woodworking Cutting Tools


1. Advantages of cemented carbide tools


(1) Compared with high-speed steel, cemented carbide has a higher hardness. The hardness of commonly used cemented carbide is 89~93 HRA, and it can still maintain high hardness at 800~1000°C.

(2) The cutting speed of cemented carbide tools can be increased by 4~10 times.

(3) The tool’s durability can be several times to dozens of times higher than that of high-speed steel.


2. How to choose cemented carbide tools?


(1) Wooden tools should use YG hard alloy with high toughness.

(2) There are coarse particles, fine particles and general particles in the YG type. When the composition is the same, the strength of the coarse particle alloy is high, but the hardness and wear resistance is slightly reduced. Fine-grained alloys can increase hardness and increase wear resistance without significantly reducing strength.

(3) Cemented carbide is brittle, so it can be used for wood processing only after the wedge angle is reasonably selected according to its grade, material to be processed, feed speed and other cutting conditions.

(4) After correctly selecting the grade of cemented carbide, the model of cemented carbide products must be reasonably selected.


3. How to prolong the cutting tool’s life?


1). Select the appropriate cutting amount


(1) The cutting speed of different materials is very important to the service life of the tool and the quality of material processing.

(2) High-speed cutting can be used for general materials, and low-speed cutting and feed speed should be slowed down for hard materials and tools with larger diameters. The feed speed should be average and should not be fast or slow, and the feed should be gentle. If there is a stop during the cutting process, it will burn the tool and greatly reduce the service life of the tool.

(3) The cutting speed depends on the following three aspects: a. The material to be processed; b. The type and specification of the tool; c. Equipment.

(4) If a tool with a larger diameter is used, the processing can be completed by several feeds, which can improve the service life of the tool and make the operation safer.
Tools are usually high-quality tabletop equipment.


2). Maintenance of cutting tools


(1) Keep the cutting tools clean. After use, remove wood resin, wood dust and other dirt, and use standard industrial solvents to clean the cutting tools.

(2) Apply a small amount of engine oil to prevent the surface of the tool from rusting, and clean up all stains on the handle of the tool to prevent slippage during use.

(3) Do not re-sharpen the cutting tool or change the shape of the cutting tool without authorization, because each grinding process requires professional grinding equipment and professional grinding skills, otherwise, it is easy to cause the cutting edge to break and cause accidents.

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