Hammer is mainly used as a knocking tool to correct or knock open objects. Hammer can be used to knock, hammer, pull nails, rivet, knock hard objects, and correct deformed objects into squares. There are many forms of hammer. The common form is a handle and a top.
One side of the top is flat for knocking, and the other side is a hammer. The hammer can be angular or wedge-shaped, and its function is to pull nails. In addition, it has a round-headed hammer.
Users of tools must be familiar with the performance, characteristics, use, storage, maintenance and maintenance methods of tools. All kinds of construction tools must be qualified products produced by regular manufacturers. Tools must be inspected before work, and unqualified tools such as corrosion, deformation, looseness, failure and damage are strictly prohibited.
Pay attention to the following points when using a sledgehammer:
1. The connection between the hammer and the handle must be firm. Anything with loose hammer head and handle and cracked hammer handle shall not be used. Wedge the hammer head and hammer handle into the installation hole with a metal wedge, and the wedging length should not exceed 2/3 of the depth of the installation hole.
2. In order to have some elasticity when hitting the ball, the middle of the handle near the top is slightly narrower than the end.
3, when using a sledgehammer, we must pay attention to the front and back, left and right, up and down, it is forbidden to stand within the scope of sledgehammer movement, it is forbidden to use a sledgehammer and a small hammer to knock each other.
4, the hammer is not allowed to be quenched, no cracks and burrs, found burr should be trimmed in time. Claw hammer can be used to knock, hammer and pull nails, but it is not suitable for hammering larger workpieces.
When nailing a nail, the hammer should knock the nail cap flat so that the nail can enter the wood vertically. When pulling nails, it is advisable to pad a piece on the claw to enhance the tension. Claw hammer should not be used as a crowbar, and the hammering surface should be smooth and intact to prevent nails from flying out or hammers from slipping and hurting people.