Machine Tools--file information introduction

A file is a tool made of steel to sharpen the cutting edge of copper, iron, and other surfaces covered with small protrusions.

Here is the content list:

l The composition of the file

l Types of files

l The choice of file

l File use

The composition of the file

The file is the main tool of filing, commonly used carbon tool steel T12, T13 made and hardened by heat treatment to HRC62 ~ 67. It consists of file surface, file edge, file tongue, file ney, wooden handle, and other parts.

Types of files

File tools can be roughly divided into ordinary file tools, special file tools, and shaping file tools(assorted files) three types. Ordinary file according to the shape of the file section is divided into a flat file, square wrong, triangle file, semi-circular file, and round file five, the flat-file used to file the plane, external round surface, and convex arc surface; square file used to file the square hole, rectangular hole, and narrow plane; triangle file used to file the inner corner, triangle hole, and plane; semi-circular file used to file the concave arc surface and plane; round file used to file the round hole, smaller radius concave arc surface and oval surface. Special files are used to file the special surface of the parts, there are two kinds of straight and curved. Shapefile (shaped file) is suitable for trimming the small parts of the workpiece, there are many kinds of the cross-sectional shape of a set of files, according to its length can be divided into 10 0mm, 15 0mm, 200 mm, 250mm, 300 mm, 350mm and 400 mm and so on seven kinds. According to its tooth pattern can be divided into single tooth patterns, double tooth patterns. According to its tooth pattern can be divided into coarse teeth, medium teeth, fine teeth, coarse oil light (double fine teeth), fine oil light five kinds.

The choice of file

Reasonable choice of the file tool, to ensure the quality of processing, improve efficiency and extend the life of the file tool has a great impact. The general selection principles are: according to the shape of the workpiece and the size of the processing surface to choose the shape and specifications of the file: according to the material soft and hard, processing allowance, precision, and roughness requirements to choose the file according to the material soft and hard, processing allowance, precision and roughness requirements to choose the thickness of the file tooth pattern.

File use

The grip of a large file: the right-hand heart against the end of the wooden handle of the file tool. The thumb is placed on the top of the wooden handle of the file tool, and the remaining four fingers are bent underneath, with the thumb pinching the wooden handle of the file. The left hand is according to the size of the file force and the weight of the force, there are a variety of postures, in the file grip. The right-hand grip is the same as the large file grip, the left hand with the thumb and index finger pinch the front of the knife. Small file grip: right-hand index finger straight, thumb on the top of the wooden handle of the file, index finger against the knife edge of the flame knife, left-hand children's fingers pressed in the middle of the thwart. Smaller file (assorted file) grip: generally only use the right hand to hold the file, index finger on top of the file, thumb on the left side of the thumb knife.

The company's website is https://www.kinboxtools.com/. If you want to know more, you can contact us on the official website.