Open Access

Table 1

Dimensions of variable-pitch screw vacuum pump.

Design parameter Dimension
Addendum circle diameter 148 mm
Root circle diameter 62 mm
Pitch circle diameter 52.5 mm
Rotor length 398 mm
Distance between two axis 105 mm
Exhaust end pitch 56 mm
Suction end pitch 101 mm
The number of turns 5.5

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.