Hand tools are a category of hardware, which is consumable. Their specific procurement and procurement frequency according to specific circumstances to treat. In the security industry, we have access to a lot of manual tools, in order to better safety in production, our safety is necessary to understand the manual tools under the use of norms.

Today, Xiaobian share metal and regulate the use of 14 kinds of hand tools and everyone, I hope all of you after work can help!

First, manual tools, safe use of common sense

1, hand tools to carry safety essentials

(1) hand tools should be placed in a special sleeve, or in a tool bag or a bucket of tools. Do not put them in the pockets of your underwear, not even on the belt.

(2) for temporary use of tools, storage location should be appropriate, the installation should be smooth, it is not easy to fall off, wounding, do not put on scaffolding, overhead pipes and mechanical moving parts.

(3) between the operators should pass hand transfer tool, don't throw; transfer with sharp cutting edge of the tool, to accept the people toward the toolholder department.

(4) the crowbar must use the shoulder like tools, should pay attention to in carrying around, to be with other objects and people collide, down to steady.

(5) when carrying portable power tools with cord, it is necessary to protect the cord so as to keep it away from sharp objects, heat sources, oil or solvents, so as to avoid damaging the cord.

2. Safety precautions of hand tool handle

(1) the hammer strikes the tool shank, long strike prone to local fragmentation, this should be such as chisel, punch, Iwa Ishi shank end of the installation of metal hoop (bronze ring).

(2) for hand tools to be packed with wooden handle, the wooden handle should adopt flexible hardwood (such as oak, elm, hickory, ash, maple and other production). Wooden handle should be smooth, no knots, cracks and other defects.

(3) connect the wooden handle with the hammer and axe must be firm and strong, to prevent the use of wooden handle broken hammer or fly out, in the use of such as the discovery of the handle has a loose, must immediately wedge; must not only rely on the wedge fastening, with wooden handle and good equipment hole is more important.

(4) in order to prevent the wooden handle from rotating and skidding in the hands, the wooden handle should be made into an ellipse.

Two manual tools safety specification

1 、 metal cutting tools

(1) a chisel

The chisel is chipping with tools, usually with carbon steel, high speed steel chisel is not available. After heat treatment, the hardness is HRC48-52; no no chisel top quenching cracks and burrs.

The general chipping burr blank surface, gating and riser and segmentation of material available (width chisel chisel); chisel groove and curve segmentation sheet available tip chisel (Xia Zan); chipping oil groove oil groove chisel.

The way to the correct operation and chisel grip. A chisel with his left middle finger, ring finger and little finger grip, the thumb and forefinger naturally closed, chisel head around 20mm; in order to reduce the vibration of the opponent hit the chisel chisel, don't hold it too tightly.

The chipping, should work side corner gently up a notch after the chisel chisel, around the edge, otherwise easy to bounce or chisel slipping; cutting from the workpiece end at 10mmn, should turn chiselling.