Triangular files have three tapering sides. They are used to file the surfaces of acute internal angles. Small triangular files are also used to sharpen hand saws. A
knife file
is a type of triangular file that looks a lot like a flat file.
What are the 3 grades of files?
Most files also have three grades of cut:
bastard-cut, second-cut and smooth-cut
. The coarser the cut of the file, the rougher the finish of the work.
What is the purpose of using a triangular file?
A triangular file is a specialized tool
for trimming and sharpening edges
. Its unique, three-sided design makes it a great tool for sharpening hard-to-reach places such as saw teeth.
What are the different grades of files?
There are six main classes:
rough, coarse, bastard, second-cut, smooth, and dead smooth
. The number of teeth per inch varies considerably for different shapes and sizes.
What is a triangle file called?
Triangle. Features two cut sides and one uncut side. Also called “
taper” or “threesquare”
What are the methods of filing?
- Alphabetical classification. …
- Numerical classification. …
- Subjective classification. …
- Geographic classification. …
- Chronological classification.
What is a 3 square file?
Three square files are
triangular in cross section
, and are doule cut and have fairly sharp corners that are slightly set and cut. These files are for general use by machinsits for filing internal angles more than the right angle, for clearing out square comers and filing taps and cutters.
How do you properly use files?
Hold the file by its handle with your dominant hand
. With your opposing hand place your palm onto the tip of the file. Your palm is used to help press down while your dominant hand is used to guide and control the direction of the file.
What is meant by grade of a file?
grade files are
data files rather than documents or media
, which means they’re not meant to be viewed at all.
How do you maintain hand files?
Clean file
teeth regularly with a File Card / Brush
, and use chalk to keep the teeth from clogging if needed. Do not file sandblasted steel. Your files can also be dulled or chipped by MIG weld-hardened steel, or by steel that has been heated and quenched with water.
When would you use a square file?
Square files are machinist’s files that
can be used in slots and key ways
. They are also used for roughing (removing material quickly) when turning round drill holes into square slots.
What does a flat file look like?
A flat file features
a table with a single record per line
. The different columns in a record use a tab or comma to delimit the fields. The flat file database does not have multiple tables, unlike in a relational database. The information contained in flat files does not have associated paths or folders.
What is a knife file?
:
a tapered file with a triangular cross section suggesting that of a knife blade
.
What are the two most common filing techniques?
There are 2 main methods of filing, which are
Loose Leaf method and secondly, the Collective method
. Documents are filed individually in a normal file, holes are punched in the documents and then they are filed.
What are the five parts of a hand file?
The basic parts of a file include
the point, the face, the edge, the heel and the tang
.
What are warding files?
Warding files are
machinist’s files
and are frequently used by locksmiths. They are named after the shaped openings in keyholes that act as a barrier to lock picking, as they are used to both deburr and repair them. They can also be used to file the notches in a key that allow it to fit into the warding.
