Speeds and Feeds
What is the Formula for RPM when milling
RPM=SFM×3.82/Diameter
What tool is commonly used on a lathe to create internal threads?
What is a tap?
This must be done before mounting a vise to the bridgeport
wipe vise base and worktable, and expect for nicks and burr.
What is the decimal equivalent of 1/4 inch
0.250"
What is machining?
What can improve Chip evacuation during milling
Proper tool geometry and coolant application
What safety device is used to protect the operator from flying debris on a lathe?
What is a lathe guard?
Which milling process is commonly used to create a keyway in a workpiece?
Contour Milling (Keyway Milling)
If the initial diameter of a workpiece is 5 inches and the final diameter is 4 inches, what is the depth of cut?
What is 1/2 an inch
Give 3 examples of materials that can be machined
Metals (steel, aluminum, brass), plastics, wood, composites, and ceramics can all be machined.
What term describes the speed at which the cutting edge of a tool moves relative to the workpiece surface?
What is cutting speed?
What is the term for the amount of material removed in one pass of the cutting tool?
What is depth of cut?
What technique involves moving the workpiece against the rotation of the cutter?
What is climb milling?
What is the decimal equivalent of 1/16?
What is 0.0625?
What safety measures should be taken during machining?
Safety measures include wearing protective gear, ensuring proper machine guarding, and following standard operating procedures.
What ancient civilization is credited with the invention of the lathe?
What is ancient Egypt?
What term describes the speed at which the cutter rotates in a milling machine?
What is spindle speed?
What is the fractional equivalent of 0.375?
What is 3/8ths
What is Dans favorite number?
700
What part of a lathe holds the cutting tools?
Tool Post
When measuring a feature on a milled part, which tool is most suitable for precision measurements?
What is the decimal equivalent of 13/16
What is 0.8125
What are common machining defects and how can they be prevented?
Common defects include burrs, chatter, and tool wear. Prevention involves proper tool selection, machine maintenance, and optimizing machining parameters.