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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
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