Question
Download Solution PDFScrapping is done by ___
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFExplanation:
Scrapers
- Scrapers are used to correct slight errors on all flat or curved surfaces. Scrapers are made up of high-grade tool steel or special alloy steel and tungsten carbide-tipped tools.
- Scraper material: High-grade tool steel or special alloy steel and tungsten carbide tipped tool.
- Specification: The overall length of the blade and handle may range from 150 to about 500 mm.
Additional Information
Types and uses of the scraper:
|
Flat scrapers with rectangular blades |
Used for scraping large flat surfaces |
|
Hook scrapers with rectangular blades |
Used for scraping the center portion of large flat surface where it is not convenient to use a flat scraper. |
|
Half round scraper |
Used for scraping curved surfaces. |
|
Three square or triangular scraper |
Used for scraping small diameter holes and deburring edges of accurate holes. It has a point cutting edge. |
|
Bull nose scraper |
Used for scraping large bearings. It can be used in two ways either with circumferential movement or longitudinal movement. |
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