Definition and Types of Chisel
Chisel:
Chisel may be a metal tool with a sharpened
edge at one end wont to chip, carve, or remove a solid material (such as wood,
stone, or metal). It is a very useful tool.
Types of
Chisel:
Following are some common types of Chisel:
1. Cold Chisel
2. Firmer Chisel
3. Bench Chisel
4. Butt Chisel
5. Pairing Chisel
6. Mortise Chisel
7. Dovetail Chisel
8. Corner Chisel
9. Framing Chisel
10. Slick Chisel
11. Chisels with a Crank Handel
A cold chisel is a tool made from reinforced
tempered steel, which may cut any cold metal softer than itself. The name of
the chisel comes from the fact that blacksmiths use it to cut metals when they
are cold as opposed to when they are forged or heated.
These cold chisels are used to cut off rivets
and rusted nuts and were used massively when machine tools were not invented.
Even today, they are used by metalworkers.
2. Firmer
Chisel:
The definition of a chisel has changed over
the years. It seems that “firmer” once mentioned the way during which the
chisels were made. Firmer (as the name suggests) meant any chisel blade that
was made up of a solid steel construction, as against a steel laminate (iron
with a steel coating). These chisels typically had square edges and hardwood
handles and were used for heavy-duty woodworking tasks. In later years, as
nearly all chisel blades became manufactured from a solid steel construction,
the definition “firmer” became synonymous with a flat blade with square edges
(without a bevel). This is generally considered the oldest sort of modern
chisel and it's particularly adept at creating joints where you would like to
take care of sharp, 90-degree corners.
Bench chisels are the primary port of call
with wood chisels. They are the all-rounders of the family; the general-purpose
chisel. They typically contains a medium length blade with either bevelled or
straight edges (ones with bevelled edges tend to be more common as they need a
wider range of applications) and an impact-resistant handle.
Bench chisels may have a tang- or socket-style
fitting and typically have a number one edge angled between 25 and 30 degrees.
Butt chisels are so named because of their
primary application: installing butts and hinges to doors. They are easily
recognised by the distinctive shortness of their blade. Traditionally, a butt
chisel may are a bench or chisel that has been resharpened such a lot that only
a couple of inches of its blade remains.
Carpenters found these shorter chisels so
useful with certain applications that they became manufactured in their title.
There are both bevel-edged and straight-edged varieties.
Paring chisels typically have an extended thin
blade connected to its handle via a tang. They are designed to be manipulated
by hand (never struck) and pushed across a piece surface to get rid of small
amounts of wood when finishing or neatening up joints. Their leading edge is
typically at an angle between 20 and 25 degrees and that they are available
with both bevelled and straight edges.
A mortise chisel features a thick blade that's
designed to face up to prying. They get their name because they're chiefly wont
to cut mortise joints. They are typically capped or have a steel hoop on their
handle to face up to repeated mallet blows. The leading edge of a mortise
chisel is typically ground to an angle between 30 and 40 degrees.
Dovetail chisels are designed specifically for
the finishing of dovetail joints. They typically have an extended thin blade
with bevelled edges and a honed leading edge of between 20 and 30 degrees.
These sorts of chisel are particularly useful
when cleaning out and sharpening up the sides of the interlocking parts of a
dovetail.
Corner chisels typically have a medium length
blade that features a cross-section shaped sort of a right-angled “V”. These
sorts of chisel are used for cutting grooves and tidying up square corners.
A framing chisel is actually a wider, longer
and thicker-bladed chisel . These chisels are available with bevelled and
straight edges and are more commonly found with sockets and sturdy capped
handles to confront to repeated strikes from a mallet. They typically have a
leading edge of between 25 and 30 degrees and are chiefly utilized in boat
building and timber framing applications.
10. Slick
Chisel:
Slick chisels are essentially oversized paring
chisels. They are recognisable by their size and distinctive baseball-bat
shaped handle. The slick chisel is employed to pare off thin slivers of wood
from a workpiece and typically features a long, wide, straight-edged blade and
a leading edge of 20-25 degrees.
11. Chisels
with a Crank Handel:
Some chisels have what's referred to as a
cranked handle. This means that the handle is offset from the road of the
blade. This offset angle allows you to carry the whole blade flat on a piece
surface without your fingers getting into the way.
Cranked handles are most frequently found on
paring and bench chisels. This design is useful to creating shaving motions
where the blade of the chisel must be flat against the workpiece, commonly seen
when finishing joints and creating flush surfaces (typically were the utilization
of a plane would be impractical).
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