roughing

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roughing

[′rəf·iŋ]

(engineering)

The start of evacuation of a vacuum system under test for leaks.

References in periodicals archive ?

Plunge roughing offers many advantages for heavy material removal jobs; choosing and using the correct software can make the operation all the more efficient and profitable.

Software essential to successful plunge roughing. (Cad/Cam/Shop Control Software)

Roughing down the chamber to the operating inlet of the turbo or drag pump can be done in two ways.

Careful Consideration Means Getting the Right Pump

Literature is available on the PowerMill 2440, a new version of the company's PowerMill computer-aided manufacturing (CAM) software which now includes rest roughing capabilities, as well as many other improved functions.