cross hole

cross hole

[′krȯs ‚hōl]
(mining engineering)
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References in periodicals archive ?
However, the cross hole drilled through the center of the rectangular tenon to accommodate the cross member considerably altered the mechanical characteristics of the section and weakened it.
Live tools provide drilling (including deep-hole, cross hole and bolt-hole pattern), flat and keyway milling, counterboring, slotting, rolling, knurling, sawing, deburring, broaching, and even thread cutting.
It can handle workpieces with interrupted cuts, cast skin, or cross holes.
The ability to perform more fine-hole micromachining, corporate bigwigs said, will allow the firm to better machine intersecting or cross holes in various configurations.
Inline and offset output shafts that can be custom machined with cross holes, splines, keyways, and flats, or end drilled and tapped.
Whether performing circular or straight-line measurements, the device detects interruptions such as grooves and cross holes automatically, regardless of their position, and the corresponding profile interruptions are not evaluated.
Operations include boring holes in the ears and milling flats on the ears, both inside and outside, ring grooving, boring, and reaming the cross holes where the pin goes through.
Northing) (m) (m) (m) (ft) g/tonne oz/ton (X) CROSS HOLES OA-RC-01 9,700 9 28 19 62 3.
Spacing cross holes 1-1/2 inches apart, however, leads to strength reductions of near one-half.
Thread milling eliminates secondary operations Burring is a major problem that companies experience when tapping intersecting cross holes in steel.