ToolingU_Chapter 3 Vocab Flashcards
A material made up of hard, sharp particles for cutting tiny chips from a workpiece. It is formed in wheels for use in grinding operations.
Abrasive
A private, nonprofit organization that coordinates voluntary standards and systems.
American National Standards Institute
What does ANSI stand for?
American National Standards Institute
What is ANSI B7.1?
The basis for OSHA standards regarding grinding safety
What does clearance mean?
An intentional amount of space left between two components.
A gas, typically carbon dioxide, which displaces oxygen to smother fires. This gas is used to extinguish fires caused by friction between a grinding wheel and a workpiece.
Fire-Suppressant Gas
The use of an abrasive to cut the surface of a workpiece and change its shape.
Grinding
A set of doors that engage with one another by overlapping or fitting together to form a tight lock. This is used to protect against flying debris and fluid splashes
Interlocking Doors
A method of protecting employees by preventing accidental machine startup through proper locking and labeling of machines during maintenance.
Lockout/Tagout
The outer edge of a grinding wheel. Typical grinding operations take place on this.
Periphery
A speed measurement that tracks the number of times a tool, workpiece, or machine component rotates in one minute. This is the measurement of the speed of the machine’s spindle.
Revolutions Per Minute
What does RPM stand for?
Revolutions per minute
A manual test to detect damage or cracks in a grinding wheel. This will produce a clear, metallic tone when performed on an undamaged wheel.
Ring Test
A measurement of speed that describes the distance in feet that in a point on a grinding wheel travels in one minute. This depends on the spindle rpm and wheel circumference.
Sfm
What does Sfm stand for?
Surface Feet per Minute
A liquid that dissolves certain materials. This is often used to clean grease and other difficult-to-remove impurities from machines and tools.
Solvents
