inches per minute , ipm (abbreviation) , i.p.m. (abbreviation)

Machines capable of routing heavy material at over a thousand inches per minute are common.

He traveled inches per minute and yards per hour.

You move your desk back and to the right imperceptibly slowly, about six inches per minute, toward the back door and out into the hall.

Maximum 120 inches per minute.

Typical casting speed was 34-46 inches per minute for a 12" slab, and 48-55 IPM for a 9.5" slab.

Speed of drilling depends on the material being drilled, rotational speed, and the drill diameter; a high speed drill can cut a hole in P20 steel at 30 inches per minute.

FAST BURNING FUSE (40 inches per minute) Materials needed: -Soft cotton string -fine black powder (empty a few shotgun shells!)

Data on target missiles or satellites are recorded in each radar channel by photographing a five-inch (127 mm) intensity-modulated oscilloscope with the camera shutter open on a 35 mm film moving approximately five inches per minute.

It can be expressed thus for milling also, but it is often expressed in units of distance per time for milling (typically inches per minute [ipm] or millimeters per minute), with considerations of how many teeth (or flutes) the cutter has then determining what that means for each tooth.