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close this bookScraping of plane surfaces - Course: Technique for Manual Working of Materials. Methodical Guide for Instructors
View the document(introduction...)
View the document1. Objectives and contents of practical vocational training in the working technique of “Scraping of Plane Surfaces”
View the document2. Organizational preparations
View the document3. Recommendations for practical training in the working technique of “Scraping of Plane Surfaces”
View the document4. Application of the working technique of “Scraping of Plane Surfaces”
View the document5. Captions and legends of the “Scraping of Plane Surfaces” transparencies series

5. Captions and legends of the “Scraping of Plane Surfaces” transparencies series

Transparency no. 6.1.

Kinds of scrapers


(1) Flat scraper



1 - handle



2 - shank



3 - blade


(2) Pull-type scraper


(3) Half-round scraper (solid)


(4) Half-round scraper (hollow)


(5) Three-square scraper (hollow)



Transparency no. 6.2.

Kinds of finish-scraping


(1) Scraping with pushing actions


(2) Scraping with pulling actions



Transparency no. 6.3.

Checking against master plates


(1) Spreading the checking ink over the surface plate using an inking block


(2) Rubbing of the workpiece on the surface plate