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Perforated Sheet

06/08/2011 9:08 PM

16 SWG Perforated Sheet ø7 AT 9 CRS

How is this interpreted? It is a technical note found on a drawing. I will get more info if needed.

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#1

Re: Perforated Sheet

06/08/2011 9:22 PM

16 SWG PREFORATED SHEET ø7 AT 9 CRS

16 (standard wire) gauge cold rolled steel with 7 unit diameter holes spaced 9 units apart.

This is a WAG. (Wild as* guess)

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#2
In reply to #1

Re: Perforated Sheet

06/08/2011 11:16 PM

Next WAG: 7 and 9 are probably millimeters.

(Whether square or triangular array seems not to be specified.)

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#3
In reply to #2

Re: Perforated Sheet

06/08/2011 11:34 PM

What's 16 Ga. in mm? 1.5?

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#4
In reply to #3

Re: Perforated Sheet

06/09/2011 12:54 AM

Pretty close. Is this what we call hybrid technology?

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#5
In reply to #3

Re: Perforated Sheet

06/09/2011 2:00 AM

1.6 mm is the usual approximation

For future reference

Sec. 206. Standard gauge for sheet and plate iron and steel

For the purpose of securing uniformity the following is established as the only standard gauge for sheet and plate iron and steel in the United States of America, namely:

Thickness Weight
GaugeFrac. InchDec. Inchmmoz/ft^2lb/ft^2kg/ft^2kg/m^2lb/m^2
0000000 1/2 .5 12.7 320 20.00 9.072 97.65 215.28
000000 15/32 .46875 11.90625 300 18.75 8.505 91.55 201.82
00000 7/16 .4375 11.1125 280 17.50 7.983 85.44 188.37
0000 13/32 .40625 10.31875 260 16.25 7.371 79.33 174.91
000 3/8 .375 9.525 240 15 6.804 73.24 161.46
00 11/32 .34375 8.73125 220 13.75 6.237 67.13 148.00
0 5/16 .3125 7.9375 200 12.50 5.67 61.03 134.55
1 9/32 .28125 7.14375 180 11.25 5.103 54.93 121.09
2 17/64 .265625 6.746875 170 10.625 4.819 51.88 114.37
3 1/4 .25 6.35 160 10 4.536 48.82 107.64
4 15/64 .234375 5.953125 150 9.375 4.252 45.77 100.91
5 7/32 .21875 5.55625 140 8.75 3.969 42.72 94.18
6 13/64 .203125 5.159375 130 8.125 3.685 39.67 87.45
7 3/16 .1875 4.7625 120 7.5 3.402 36.62 80.72
8 11/64 .171875 4.365625 110 6.875 3.118 33.57 74.00
9 5/32 .15625 3.96875 100 6.25 2.835 30.52 67.27
10 9/64 .140625 3.571875 90 5.625 2.552 27.46 60.55
11 1/8 .125 3.175 80 5 2.268 24.41 53.82
12 7/64 .109375 2.778125 70 4.375 1.984 21.36 47.09
13 3/32 .09375 2.38125 60 3.75 1.701 18.31 40.36
14 5/64 .078125 1.984375 50 3.125 1.417 15.26 33.64
15 9/128 .0703125 1.7859375 45 2.8125 1.276 13.73 30.27
16 1/16 .0625 1.5875 40 2.5 1.134 12.21 26.91
17 9/160 .05625 1.42875 36 2.25 1.021 10.99 24.22
18 1/20 .05 1.27 32 2 .9072 9.765 21.53
19 7/160 .04375 1.11125 28 1.75 .7938 8.544 18.84
20 3/80 .0375 .9525 24 1.50 .6804 7.324 16.15
21 11/320 .034375 .873125 22 1.375 .6237 6.713 14.80
22 1/32 .03125 .793750 20 1.25 .567 6.103 13.46
23 9/320 .028125 .714375 18 1.125 .5103 5.493 12.11
24 1/40 .025 .635 16 1 .4536 4.882 10.76
25 7/320 .021875 .555625 14 .875 .3969 4.272 9.42
26 3/160 .01875 .47625 12 .75 .3402 3.662 8.07
27 11/640 .0171875 .4365625 11 .6875 .3119 3.357 7.40
28 1/64 .015625 .396875 10 .625 .2835 3.052 6.73
29 9/640 .0140625 .3571875 9 .5625 .2551 2.746 6.05
30 1/80 .0125 .3175 8 .5 .2268 2.441 5.38
31 7/640 .0109375 .2778125 7 .4375 .1984 2.136 4.71
32 13/1280 .01015625 .25796875 6 1/2 .40625 .1843 1.983 4.37
33 3/320 .009375 .238125 6 .375 .1701 1.831 4.04
34 11/1280 .00859375 .21828125 5 1/2 .34375 .1559 1.678 3.70
35 5/640 .0078125 .1984375 5 .3125 .1417 1.526 3.36
36 9/1280 .00703125 .17859375 4 1/2 .28125 .1276 1.373 3.03
37 17/2560 .006640625 .168671875 4 1/4 .265625 .1205 1.297 2.87
38 1/160 .00625 .15875 4 .25 .1134 1.221 2.69

Reformatted from: http://www4.law.cornell.edu/uscode/15/206.html

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#7
In reply to #5

Re: Perforated Sheet

06/09/2011 1:25 PM

Thanks.

Butout, wingman1985 is in China. And who knows where the drawing note came from. And who knows where the product is headed.

So, we could have something designed in India, for an American client, that is to be manufactured in China for shipment to Brazil that will be serviced by Mexican labor.

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#8
In reply to #7

Re: Perforated Sheet

06/09/2011 8:20 PM

Lyn:

The original post is here:

http://www.jxcad.com.cn/topic_1258494.html

各位楼主:
求助翻译:(一份来图加工图纸)

16 SWG PREFORATED SHEET ø7 AT 9 CRS是什么意思啊?

START-------------------------------------

The translation is :

Hey guys:

Translation needed here(manufacture to drawing received)

what does 16 SWG PREFORATED SHEET ø7 AT 9 CRS mean here?

--------------------------------------END

BTW: DO you have a professional saying for "manufacture to drawing received"?

Thanks

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#9
In reply to #7

Re: Perforated Sheet

06/09/2011 8:24 PM

ButLyn, I was just trying to post a "non-WAG"

It's actually interesting if it is Ø7mm x 9mm pitch, because there seems nothing 'stock' between 7.94 (5/16") x 9.55 (3/8") and 6.35 (1/4") x 8.5 (43/128" ??)

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#10
In reply to #9

Re: Perforated Sheet

06/09/2011 9:03 PM

I don't Know.

I responded to WM1985's question in the next post, "build to print".

What would you say?

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#11
In reply to #10

Re: Perforated Sheet

06/09/2011 9:34 PM

"make to drawing" - same deal/meaning - don't argue, just do it!

Question on my mind would be - if the recipient of said drawing is not a perforator by trade, (viz. not being conversant with the lingo), is the client wanting to pay the tooling and set up for a special/proprietary pattern the recipients OEM will charge? (and margin)

Or has the client just done a 'soft conversion*' of one of the standard patterns?

*or doesn't know how to measure

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#12
In reply to #11

Re: Perforated Sheet

06/09/2011 9:46 PM

And does the size/ distribution really matter? Assuming we have made correct interpretations.

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#14
In reply to #12

Re: Perforated Sheet

06/10/2011 12:30 AM

It can if it's a % open area air/heat thing - or a sorting/grading/sizing thing - or a bolt to matrix/structure thing.

Same old story; not enough information to but WAG. (luckily, I has tail)

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#15
In reply to #14

Re: Perforated Sheet

06/10/2011 12:51 AM

And a GA to you, sir. Might also mention that the weight in the chart provided above will be reduced by the % of open area. I've bought a lot of perf, but never run into metric sized. Makes me wonder if some perforators "over there" might have different patterns than we find in our charts "over here".

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#17
In reply to #15

Re: Perforated Sheet

06/10/2011 1:19 AM

Ah the Mystery that is China/Taiwan = "over there"? No idea having not sourced perf there. So far as I know the industry remains Imperial. 'Metric' is just a hard conversion in metric countries.

I think if you want 'specials' they do it on a CAD/CAM Peirce All. One hole at at time, as opposed to the gang presses. Fairly exorbitant.

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#22
In reply to #10

Re: Perforated Sheet

06/10/2011 9:20 AM

"Build to Print" is fun. Especially that 18" column inside the 12" stand-pipe.

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#23
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Re: Perforated Sheet

06/10/2011 9:39 PM
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#18
In reply to #9

Re: Perforated Sheet

06/10/2011 6:31 AM

Stock sheet Ø7mm @9mm pitch. They do various sheet thicknesses & finishes and straight or staggered patterns.

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#20
In reply to #18

Re: Perforated Sheet

06/10/2011 8:20 AM

Fancy that - live and learn.

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#19
In reply to #5

Re: Perforated Sheet

06/10/2011 8:19 AM

Good table, applies to carbon steel and aluminum. Stainless steel gauges are slightly thinner.

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#24
In reply to #5

Re: Perforated Sheet

06/19/2011 9:09 AM

Good table. Is there any standard based entirely on metric?

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#25
In reply to #24

Re: Perforated Sheet

06/19/2011 7:56 PM

I think the Metric Standards are.

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#16
In reply to #1

Re: Perforated Sheet

06/10/2011 12:54 AM

I have to wonder if the CRS could be "centers", instead of Cold rolled steel? Pattern would generally be described as staggered or straight pitch.

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#6

Re: Perforated Sheet

06/09/2011 8:58 AM

I agree with the others. In addition, CRS = Cold Rolled Steel (another WAG).

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#13

Re: Perforated Sheet

06/10/2011 12:28 AM

My first thought was "cross section" Don't know why

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#21

Re: Perforated Sheet

06/10/2011 8:21 AM

Check with this manufacturer:

http://www.diamondman.com/perforated-sheet

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