Cold chisel - an indispensable tool grandfather

The effectiveness

tool cold chisel - a cutting-impact tool for rough machining of the material.It is a metal bar with a certain angle sharpened cutting portion.Most of the young mechanics begin to get acquainted with the tools it with a chisel.No serious skills to work with this tool is not necessary, since it is a rough, primitive but effective device.

Note!Use the tool can be for cutting virtually any material, and limited its ability to only the skills of the master himself.

chisel should be in every home workshops where the owner is engaged in the repair or manufacture of any tools.Use it to cut the nail or thick wire, cut down some detail of the metal sheet, roll out the nut, which is jammed, knock down the influx of welding and so on.Since it is not always at hand is Bulgarian, which can be used for cutting metal, and work to be performed, the "ax" is used in such cases.Sometimes it is even more effective than the Bulgarian, for example, if there is a need to make a template for homemade baits.

Specifications

Chisel is available in several versions, which differ in shape holder:

• Oval;
• the H;
• Flat oval.

produced from high-quality carbon tool or alloy steel.Sizes vary in length: 100, 125, 160, 200 millimeters.they also have different widths: 5, 10, 16, 20 millimeters.Its degree of hardening can be determined by using the old file, which should be performed on the hardened section.If the file has left at least traces of the metal - hardened sufficiently.Also, the tool must be solid, so that when strikes broke.

Important!According to the guests there are metal stamps, which can be used for the manufacture of chisels.So test certificates, and if there is a discrepancy, then please refrain from purchasing. chisel sharpening angles are different.Soft metals used for sharper angles of 30 degrees of solid angle is 45, 60 and even 70 degrees.

How to use cold chisel?

For proper metal cutting his mark a first step.This is done by any sharp object that will leave a clear trail.A thin sheet of material can be hack the anvil, guiding the chisel in the incised markings.If a small piece, and the thickness is such that a single shot be cut, it is best to hold it in the bench screw.Sponges clutches while mounted flush with the marking done.If the sheet is thick, the marking is located a few millimeters above the jaws.

Chisel need to lean on the vise jaw with a slope of 30-35 degrees.The tip is directed to one of the edges of the material being processed with a slope of 45 degrees.Use a hammer to do short and strong blows to the fore-end tool.At the same time the tool itself does not need much hand clamp, you need only a little to hold it.If one does not blow the material is cut, it is another approach.Sometimes it makes sense to re-cutting on the opposite side of the layout, to accelerate the work.

Important!At work you do not need to monitor for the butt pad, which accounts for strikes, and for the tool tip.