IPP> ASME Y14.M metric Elongated Size and Extra-Elongated Sizes and a different ASME F size

IPP> ASME Y14.M metric Elongated Size and Extra-Elongated Sizes and a different ASME F size

Hastings, Tom N hastings at cp10.es.xerox.com
Fri Apr 20 21:34:31 EDT 2001


I finally got my copy of the ASME Y14.M-1995 Metric Drawing Sheet Size and
Format Standard. Some of its sizes are in IPP, so we should probably add all
of them to the PWG Media Standardized Names standard.

In addition to having A0 to A4 (with the usual dimensions), they have
Elongated Sizes for A3 and A4 in which the standard size is placed N times
with the long edge next to long edge, and Extra-Elongated Sizes for A0 to
A4.  

Elongated Sizes in mm:

A3X3	420	891
A3X4	420	1189
A4X3	297	630
A4X4	297	841
A4X5	297	1051

Extra-Elongated Sizes in mm:

A0X2	1189	1682
A0X3	1189	2523
A1X3	841	1783
A1X4	841	2378
A2X3	594	1261
A2X4	594	1682
A2X5	594	2102
A3X5	420	1486
A3X6	420	1783
A3X7	420	2080
A4X6	297	1261
A4X7	297	1471
A4X8	297	1682
A4X9	297	1892

ISSUE:  Should we prefix these sizes with 'asme-' or not?

The Media Size Self Describing Names would be either:

a3x3.4200-8910 or asme-a3x3.4200-8910
a3x4.4200-11890 or asme-a3x4.4200-11890
...

Since all of the metric sizes have a prefix of iso, jis or jpn, I suggest we
have the asme- prefix, ok?


While we are at it I checked the ASME Y14.1-1995 Decimal Inch Drawing Sheet
Size and Format sizes as well.

ISSUE:  ASME F size is NOT the same as our PWG na-f.44000-68000 size!

The A through F sizes are the same as we have already in the document,
except for F, so all we need to do is add a reference number in the Ref
column.  However, our na-f.44000-68000 does NOT agree with the ASME F size.
In the ASME standard, F is 28 by 40 inches.  Yes, in the ASME standard, F is
smaller than E; E is 34 by 44 inches (same as in our standard).

There is no reference for na-f.44000-68000, so I wonder where it came from?

If na-f.44000-68000 is different from the ASME F size, we can add
na-asme-f.28000-40000 as distinct from our na-f.44000-68000, or is
f.44000-68000 a mistake in our standard?

The so-called Roll Sizes G through K are in inches, but seem to have a
variable number of segments, so I don't think we have any good way to name
these sizes.

Size	Vert	Min	Max
G	11	22.5	90
H	28	44	143
J	34	55	176
K	40	55	143

Tom







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