I was making some EAGLE parts and was curious about the highlighted acronym shown in the image below:
What does it refer to?
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asked Jul 28, 2015 at 16:06
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4\$\begingroup\$ It's a very unconventional shorthand for 'repeat this for 4 identical features'. Usually denoted by just a '4x'. Maybe it's short for 'places' \$\endgroup\$– user36129Commented Jul 28, 2015 at 16:11
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\$\begingroup\$ @user36129 +1 for the answer. Write it up. \$\endgroup\$– WhatRoughBeastCommented Jul 28, 2015 at 16:15
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\$\begingroup\$ Ah - that was my guess. Was curious about it, since I haven't seen it on other drawings. Thanks! \$\endgroup\$– KnightsValourCommented Jul 28, 2015 at 16:59
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\$\begingroup\$ you should share the drawings \$\endgroup\$– HansCommented Oct 16, 2016 at 21:42
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2 Answers
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I believe the "PLS" literally stands for "Places". It is not a standard way of describing it, it is not an ANSI convention, but some people still use it. It just means the part (or hole) in question is the same in X number of places.
answered Jul 28, 2015 at 16:44
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From my experience designing in the Automotive design industry, specifically manufacturing machinery and tool & die design, it is still common to see "4 PLCS" or "4 PLS" used for "4 Places" while ASME Y14.5M -1994 standard uses "4X " which is the convention (although I can't see where this is explicitly stated in this GD&T standard.)
