[Types and use of carving knives] Types of traditional hand saws

1. Frame saw. Also known as a frame saw, it is composed of an I-shaped wooden frame, strands and blades, and saw blades. Both ends of the saw blade are fixed on the frame with knobs, and it can be used to adjust the angle of the saw blade. After the rope is tightened, the saw blade is tightened and ready for use. Frame saws can be divided into three types: coarse, medium and fine according to the length and pitch of the saw blade. Rough saw blade length is 650-750mm, tooth pitch is 4-5mm, rough saw is mainly used for sawing thick wood; medium saw blade length is 550-650mm, tooth pitch is 3-4mm, medium saw is mainly used for sawing thin wood or Tenoning; fine saw blade length 450-500mm, tooth pitch 2-3mm, fine saw is mainly used for sawing thin wood and tenon pull shoulder.

2. Knife and saw. Knife saws are mainly composed of saw blades and saw handles, which can be divided into single-sided, double-sided, clip-back knife saws, etc. The single-sided saw saw has a length of 350mm and a tooth edge on one side. According to the different functions of the tooth edge, it can be divided into two types of longitudinal and transverse cutting; the double-sided knife saw has a length of 300mm and has tooth edges on both sides. , The other side is a cross-cut saw. The length of the saw blade of the clip-back knife saw is 250-300mm. The back of the clip-back knife saw is straightened with steel bars, and the saw teeth are fine. There are longitudinal and cross-cut saws.

3. Grooving saw. The groove saw is composed of a handle and a saw blade. The saw treat is 200mm long. Grooving saws are mainly used for grooving wood.

4. Board saw. Also known as hand saw. It consists of a handle and a saw blade. The length of the saw blade is about 250-750mm, and the pitch is 3-4mm. The board saw is mainly used for sawing wider boards.

5. Narrow hand saw. The saw blade is narrow and long, the tip is pointed, and the length is about 300-400mm. The narrow hand saw is mainly used for sawing small holes and grooves.

6. Jig saw. Also known as the winding saw, its structure is the same as the frame saw, but the saw blade is narrow (about 10mm), mainly used for sawing arcs, curves and other parts.

7. Wire saw. Also known as a bow saw, it is made of a bamboo piece bent into a bow shape, with steel wires stretched at both ends. The steel wire is chopped with serrated flying edges, and the sharp edges of the flying edges are used to cut. The length of the steel wire is about 200-600mm, and the length of the saw bow is 800-900mm. Wire saws are mainly used for sawing complex curves and openings.

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