Basic Scraping - Modern Methods

The book is spiral bound so that it will lay flat on a work bench, with protective plastic covers so that it can take the typical workshop environment. The paper is of the highest quality and it has extra wide margins to make room for greasy thumbs and to provide space for shop notes. The book is completely indexed to make information easy to find and is printed on bright, easy reading paper.

Book is 170+ pages with 120+ photos and illustrations.

Subjects Covered

What is Scraping?
Disassemble Machine and Clean Parts
Machine Surfaces to be Scraped
Break Up Work Surface
Test Alignment of Part
Mark Up
Scrape
Deburr
Frost or Flake Work Surface
Clean and Lubricate


The History of Scraping
At one time this was new science


The Scraper
Blade Shape
Sharpening the High Speed Steel Blade
Sharpening the Carbide Blade Hand Scraping
Use of the Hand Scraper
Angle of Stroke
Radius of Blade
Downward Pressure of the Stroke
Sharpness of Blade
Motion of Stroke
The Length of the Stroke
Strokes and Rows and Lines
Chatter and Cross Cutting
Rough Scraping
Cutting "straight down"
Step cutting
Common Scraping.
Scraping Pace
Progression of bearing
Fine Finish Scraping Power Scraping


The Use of the Power Scraper
Length of Stroke
Radius of the Blade
Downward Pressure of the Stroke
Sharpness of the Blade
Lateral Motion of the Scraper


Stones and Files
Speeding Metal Removal
Deburring
Improving Bearing

Bearing and Mark Up
Marking Up or Spotting
Marking Mediums
Rags
Types of Mark Up or Spotting
Method
The Feeler Gauge
Interpreting Bearing Marks
Real and false bearing
Causes of False Bearing


Flaking and Frosting
Bump Flaking
Roll Flaking


Types of Masters
Straight Edges
Parallels
Master squares
Surface plate


Automatic Generation of Gauges
Two over one
One over two
Squares


Introduction to alignment
Choosing and using alignment references
Original machine finish
Horizon (both absolute and relative)
Adjacent machine surfaces
Least worn average Proper use of precision levels in alignment
Longitudinal Leveling
Cross Leveling
Accounting for the curve or the Earth


Source list for scraping and alignment tools and material.


Index

 

Sample Pages

  Scraping
 
Introduction to Alignment


© 2004 machinerepair.com / Michael Morgan

Questions?