Call number:
ZSP-201-76/16
In:
CRREL Report, 76-16
In:
Mechanics of cutting and boring, (DE-B103)20210225152525
Description / Table of Contents:
This report, which is one of a series on the mechanics of cutting and boring in rock, deals with the kinematics of machines such as rotary drills, augers, tunnel boring machines, corers, and raise borers, in which the rotary cutting unit revolves about an axis that is parallel to the machine's direction of advance. The discussion and analysis cover the geometry and motion of various components of the cutting systems, including such topics as tool trajectories, tool speeds, motions of the more complicated mechanisms, chipping depth, penetration rates, production and clearance of cuttings, tool angles, and spatial distribution of cutters. Worked examples are given to illustrate the application of various equations to practical problems.
Type of Medium:
Series available for loan
Pages:
ix, 45 Seiten
,
Illustrationen
Series Statement:
CRREL Report 76-16
URL:
https://cdm16021.contentdm.oclc.org/digital/collection/p266001coll1/id/5413
Language:
English
Note:
CONTENTS
Abstract
Preface
Summary
Foreword
Terminology
Trajectories of fixed tools
Trajectories of roller cutters and indenters
Speed of fixed cutting tools
Speed of rolling disc cutters
Speed and geometry of "wide" roller cutters
Skidding rollers
"Spiked" rollers
Epicyclic or planetary mechanisms
Chipping depth and penetration rate
Chip production and cutting removal rate
Balancing cutting and clearing rates in flight augers
Tool relief angles - kinematic considerations
Tool rake angles
Distribution and spacing of cutting tools
Radial tool spacing
Angular tool spacing
Spacing in the axial direction
Literature cited
Location:
AWI Archive
Branch Library:
AWI Library
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