The use of common hand tools and how to use them(2)

8, hacksaw: including hand saw (home use, woodworking), cut-off saw (tree pruning), folding saw (tree pruning), hand bow saw, edging saw (woodworking), longitudinal saw (woodworking), cross-cutting saw (woodworking).

9, level ruler: level ruler with level bubble, can be used for inspection, measurement, debugging equipment is installed level.

10, file: the surface has many fine knife teeth, strips, for filing the workpiece hand tools. Used for metal, wood, leather and other surfaces to do trace processing.

11, pliers: is a hand tool for clamping, fixed processing workpiece or twisting, bending, cutting metal wire. The shape of the pliers is V-shaped, usually including the handle, gills and jaws three parts.

12, wire pliers: wire pliers is a clamping and shearing tool, consisting of pliers and pliers handle, pliers including jaws, teeth, knife mouth, and guillotine mouth. The role of the various parts of the pliers are: ① teeth can be used to tighten or loosen the nut; ② knife mouth can be used to cut soft wire rubber or plastic insulation, can also be used to cut wire, wire; ③ guillotine mouth can be used to cut wire, steel wire and other harder metal wire; ④ pliers insulated plastic tube voltage resistance of 500V or more, with it can be charged to cut wire.

13, pointed pliers: also known as the repair mouth pliers, mainly used to cut the wire diameter of the thin single-stranded and multi-stranded wire, as well as to single-stranded pointed pliers wire joints bending ring, stripping plastic insulation, etc. It is also one of the common tools used by electricians (especially inside the wire electrician). It is composed of a pointed tip, jaws and pliers handle. Electrician with pointed pliers handle with a rated voltage of 500V insulating sleeve. Pointed pliers due to the head is more pointed, the use of small spaces with the operation of the use of pointed pliers bending wire joints is the operation method: first the wire head to the left fold, and then close to the screw in a clockwise direction to the right bend that is.

14, stripping pliers: stripping pliers for inside the wire electrician, motor repair, instrumentation electrician commonly used one of the tools. It is composed of knife, pressure line mouth and pliers handle. Stripping pliers pliers handle with a rated working voltage of 500V insulation sleeve. Wire stripping pliers are suitable for plastic, rubber insulated wire, cable core stripping. The use of the method is: the line to be peeled placed in the edge of the pliers, with the hands of the two pliers handle a pinch, and then a loose, insulating skin and core wire off.

15, multimeter: by the head, measurement circuit and switch and other three major components, used to measure current and voltage.