Question
Download Solution PDFIdentify the type of file shown in the given figure.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFThe teeth of a file are formed by cuts made on its face. Files have cuts of different types.
Types of cut:
Basically there are four types: Single cut, Double cut, Rasp cut, and Curved cut.
Single cut File:
- A single cut file has rows of teeth cut in one direction across its face.
- The teeth are at an angle of 60° to the centerline.
- It can cut chips as wide as the cut of the file.
- Files with this cut are useful for filing soft metals like brass, aluminum, bronze, and copper.
Double cut file:
- A double cut file has two rows of teeth cut diagonal to each other.
- The first row of teeth is known as OVERCUT and they are cut at an angle of 70°. The other cut, made diagonal to this, is known as UPCUT. and is at an angle of 51°.
- This removes stock faster than the single-cut file.
Rasp Cut File:
- The rasp cut has individual, sharp, pointed teeth in a line, and is useful for filing wood, leather and other soft materials.
- These files are available only in half-round shape.
Curved cut file:
- These files have deeper cutting action and are useful for filing soft materials like- aluminum, tin, copper, and plastic.
- The curved cut files are available only in a flat shape.
Last updated on Jun 2, 2025
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