milled surface

milled surface

The surface obtained when metal is removed by a milling machine.
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The contractor placed the asphalt on the milled surface in one lift; the thickness corresponded to milled depth to tie into the existing surface and was generally 2.8in (7cm) thick when compacted.
When the milling depth is insufficient, it is difficult to create a uniform texture in the milled surface, causing uneven distribution of the adhesive layer (sprayed emulsified asphalt) and poor bonding between the overlay and milled surface.
When the cutting speed increases from 11.3 m/s to 13.2 m/s the roughness of the milled surface reduces in 1.1 times.
However, he notes, the longer that the newly milled surface is exposed to the air the more that the wood cells will move and change shape to the extent that surface pores swelling up will result in warpage and will affect the bond between surfaces.
For many years, indexable milling inserts have incorporated flats, sometimes called parallel lands or wipers, that greatly improve the milled surface finish produced in cut.
in areas where the milled surface required a deeper depth to maintain an even grade.
Before the polishing process, samples cut from the milled specimens were placed in a rubber mold, milled surface down, and an epoxy resin was poured into the mold and cured (at room temperature) to provide support for the samples.
Selection of milling strategy can affect final roughness of milled surface. From the viewpoint of additional technological operations there is also chance to affect level of undersurface residual stresses.
"We clamp the part in the Studer with a custom, two-jaw chuck, hold it on the milled surface and hit the back face of the large diameter," Skaja explains.
Important effects of tool runout in milling are the decrease of the milled surface quality and the increase of the radial and axial force variation [Wang and Zheng, 2003], which may lead to shorter tool life under uneven wear conditions for each cutting edge.