2007年1月23日 · Is the symbol that is used to note microinches in surface finish anywhere in SW? I would like to add the symbol in a plating note on the drawing.

2014年7月7日 · I would draw it with the 8.638±.005. I would draw the 45d angle such that it stops short of a sharp corner, with the 'vertical' wall drawn.

2002年1月14日 · looking for info on the heidelberg hatch system of surface finish, the symbols look like upside down triangles. i am trying to convert it to microinches,microme surface finish - …

2003年4月29日 · Surface roughness units are either in micrometers or microinches, and the units should be stated along with the required value. ISO and DIN are metric, ANSI is inch, not sure …

2011年3月22日 · Generally speaking, most production parts that I've seen don't specify a finish smoother than 32 microinches except in extremely specialized applications. Many drawings …

2003年9月1日 · Range is considered by most to be 500-750 microinches. The longer the pipe sets on the ROW then the higher the roughness. For example, roughness after atm exposure …

2002年1月30日 · We are currently having a philosophical discussion regarding how to connect the flow meter symbol to the FE and FIT circles. I think they should both be connected to the …

2001年6月6日 · The measurement is always in microinches. You are looking at 250 X 10 -6 inches, and so forth. The measurement is from the peak to valley of the bumps making up the …

2003年6月12日 · Here is one. Section 3.18 of MIL-B-6812E Bolts, Aircraft allows a maximum surface roughness of 0.63 microinches for close tolerance bolts and 125 microinches for all …

2023年11月10日 · So, if this symbol is applied to a surface that is actually machined, the process and the drawing don't match. Ideally the process should follow the drawing, but if the process …