An Indicator Instrument for Determination When to Change a Bit from the Wear of Its Protective Coating,
Abstract
The indicator comprises a bridge circuit which compares the feed and speed of the drill in order to estaglish bit wear. The paper features circuit diagram and mathematical expressions for balanced conditions.
Document Details
- Document Type
- Technical Report
- Publication Date
- Jul 01, 1971
- Accession Number
- AD0729086
Entities
People
- L. F. Kulikovskil
- V. A. Brajnikov
Organizations
- National Air and Space Intelligence Center