What are the two parts of a hand saw

The hand saw consists of three parts: the bow, the blade and the grip.

Expanded Knowledge

1, the introduction of the hand saw

The hand saw is a simple and brutal woodworking tool, powered by human power, which cuts wood by moving the blade up and down. It is a traditional tool that is widely used in the fields of carpentry, construction and handicrafts. The use of handmade saws does not require external energy sources such as electricity and fuel, and the operation is flexible and easy to meet some special needs.

2, the basic composition of the handmade saw

The handmade saw consists of several parts such as the saw blade, the saw frame and the saw handle. Saw blade is the core part of the handmade saw, it consists of a number of teeth, according to different requirements to choose a different tooth shape and size. The saw frame is the supporting and fixing part of the saw blade, which is composed of several steel bars. Saw handle is the handle part of the manual saw operation, generally made of fine wood lumber, usually has a straight handle and curved handle two shapes.

3, the correct use of manual saw

First of all, we must choose the appropriate saw blade, according to different requirements to choose different shapes and sizes of teeth. Secondly, the saw frame should be fixed on the wood to be cut, usually using screws to fix the steel bar on the wood. Then pinch the saw handle, force up and down sawing, pay attention to the sawing process to control the strength and speed, keep the saw teeth always perpendicular to the wood, to ensure that a straight line appears.

4, hand saw maintenance

Hand saw cutting ability and service life are related to the quality and sharpness of the saw blade, so keep the blade sharp. After use, you should clean the wood chips and dust adhering to the saw blade in time to prevent the saw mouth from being blocked. When the saw blade is not used for a long time, it should be rustproof and oiled to avoid rust and damage.

5, the precautions of the manual saw

When using the manual saw should pay attention to the safety, wear appropriate protective equipment to prevent the sawdust, dust, wood chips and other objects stabbed. Handmade saws are not suitable for cutting materials such as too large, too hard wood and metal, so as not to damage the teeth or cause accidents.

6, the advantages and disadvantages of manual saw

The advantages of manual saw are high reliability, no need to rely on external energy, flexible and convenient to use, suitable for some special needs. Disadvantages are more labor-intensive, slower cutting speed, can not cut too large and too hard objects.

7, the application of manual saw

Manual saws are widely used in the field of carpentry, construction and handicrafts. In the field of carpentry, handmade saws can cut long materials, thick and solid wood, curved wood and so on, and are often used to make furniture, doors, windows and so on. In the field of construction, hand saws are often used to cut wooden materials, pipes, etc. In the field of handicraft, handmade saws can be used to make wooden toys, birdhouses, models and so on.