Mechanics of Cutting and Boring. Part 5. Dynamics and Energetics of Identation Tools

• Main Author: Mellor,Malcolm
• Other Authors: COLD REGIONS RESEARCH AND ENGINEERING LAB HANOVER NH
• Format: Text
• Language: English
• Published: 1980
• Subjects: Mfg & Industrial Eng & Control of Product Sys; Machinery and Tools; *MECHANICAL PROPERTIES; *MACHINE TOOLS; *ROLLERS; *CUTTERS; *DRILLING MACHINES; STRESSES; DYNAMICS; MATERIALS; THEORY; ELASTIC PROPERTIES; BRITTLENESS; PLASTIC PROPERTIES; ENERGETIC PROPERTIES; EXCAVATION; ROCK DRILLING; Boring; Indentation tools; Machine design; Excavating machines; Ice cutting; Permafrost excavation; Rock cutting; PE62730A; AST42; WU002; Ice; permafrost
• Online Access: http://www.dtic.mil/docs/citations/ADA092365; http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA092365

This report deals with the cutting of rock and other brittle materials by means of indentation tools. The principles of identation cutters are dealt with at length, the coverage including elastic contact stresses for initial loading by various types of indenters, application of formal plasticity theory to penetration analysis, and a variety of theories and penetration analyses that are not based on plasticity theory. Practical indentation mechanisms are described, and theoretical analyses are given for the dynamics and energetics of various types of roller cutters. The final section reviews experimental investigations and results for rock-cutting discs, giving a systematic summary of available data. (Author) See also Part 6, AD-A045 127.