Technical Drawing Standards: Lettering Heights May 2010 | Paul Munford Filed Munford Filed Under: Te Technical chnical Drawing Standards Standards Tagged Tagged With: nnotations
The BS Standards defines a range of eight Nominal heights for lettering. The si!es are: 1.8, 2.5, 3.5, 5.0,7.0,10,14 and 20mm
for"ula of 1:√2 (≈ 1:1.4) is 1:1.4) is used to calculate the si!es a#aila$le%the sa"e for"ula that calculates &a&er calculates &a&er si!es and line weights' weights' The reco""ended Mini"u" si!es are: Paper size
Notes & Dims
Titles
Headings
A0
3 .5
5
7
A1
2 .5
3 .5
5
A2
2 .5
3 .5
5
A3
2 .5
3 .5
5
A4
1 .8
2 .5
3 .5
(S )* +S, -0./0:1../ Technical Technical &roduct docu"entation' ettering' eneral re3uire"ents'
The (S Standards defines a range of eight *o"inal heights for f or lettering in Technical drawings
Technical Drawing Standards: Dimension Stles &ril 2010 | Paul Munford Filed Munford Filed Under: Te Technical chnical Drawing Standards Standards Tagged Tagged With: nnotations
The (S +S, Technical Technical drawing Standard descri$es Fi#e different di"ension styles for us to choose fro"' The first two% 45losed 6 Filled7 and 45losed 6 (lan87% would usually $e used in )ngineering' ,$li3ue is often fa#oured $y rchitects' +7#e ne#er seen anyone use ,&en .09 or ,&en -09% ece&t when s8etching $y hand' There are ;<=
Technical Drawing Standards: !eader !eade r !ines. Fe$ruary 2010 | Paul Munford Filed Munford Filed Under: Te Technical chnical Drawing Dr awing Standards Tagged Standards Tagged With: nnotations
leader line is a line that esta$lishes a connection $etween a gra&hical re&resentation of an ite" and so"e tet' leader &oints to a $it of our drawing and says: 4,i 6 oo8 >ere7 and 4?ead This@7' The leader line itself should $e a continuous Thin line Asee this &ost on inety&e DefinitionsB' ;<=
The BS "S# Technical drawing Standard descri$es %i&e different dimension stles for 's to choose from. The first two% 4losed %illed7 and 4losed Blan* 7% would usually $e used in )ngineering' #$li+'e is often fa#oured $y rchitects' +7#e ne#er seen anyone use #,en -/ or #,en 0/% ece&t when s8etching $y hand'
There are a cou&le of lternati#e ter"inators that ha#e s&ecial "eanings' circle is indicati#e of an origin ,oint' +n the ea"&le of running di"ensions $elow% all the di"ension #alues s&ring fro" the sa"e datu" &oint'
The oint ter"inator is used for when the di"ensions are too close together to allow roo" for an arrowhead' n #$li+'e stro8e can $e used instead'
Technical Drawing Standards: Leader Lines. Fe$ruary 2010 | Paul Munford Filed Under: Technical Drawing Standards Tagged With: nnotations
leader line is a line that esta$lishes a connection $etween a gra,hical re,resentation of an item and some te3t. leader ,oints to a $it of o'r drawing and sas: #i !oo* 5ere6 and 7ead This86. The leader line itself should $e a continuous Thin line Asee this &ost on inety&e DefinitionsB' leader line also has a ter"inator and so"e tet' leader line "ay ha#e a reference line under the tet' The (ritish technical drawing standards gi#e us four different ty&es of ter"inators to use with our leader lines'
n arrow ter"inator is used to &oint to an edge of an ite"' The dot is used to &oint to a face' The rchitectural tic8 can $e used for referring to "ulti&le &arallel edges' The final ty&e of line has no ter"inator% and is used for &ointing at di"ension lines or lines of Sy""etry'
eader lines can ha#e "ulti&le seg"ents and you can use one annotation to reference "ulti&le faces and edges'
Cou can reference "ulti&le &arallel edges or faces with one leader'
+t is reco""ended that you draw your leader lines at an angle to the rest of the drawing 6 i'e' *ot &arallel to the drawing itself' +ncre"ents of 19 are ad#ised'
Finally% your +nstruction tet can $e centred to the reference line% or it can sit a$o#e the reference line' The tet should $e a least twice the line thic8ness a$o#e the reference line' The tet should ne#er touch the reference line itself'
n !c"n t" re#resent the !S$ Standard Line t%#es ,cto$er 2010 | Paul Munford Filed Under: Technical Drawing Standards Tagged With: ine Ty&e Definitions
+ tend to Post a$out whate#er + a" &assionate a$out% Today + was +ns&ired to draw this +con re&resentation of the +S, ine ty&es<
<+ i8e it@
[EDIT] I just worked out where I got that idea from… 8-~
&t"'D Line T%#e Scales, The Secret Tr&th. May 2010 | Paul Munford Filed Under: uto5D Tutorials Tagged With: uto5D Producti#ity% ine Ty&e Definitions
The $est thing a$o't 'toD is that the ,rogrammers ne&er throw anthing awa. The worst thing a$o't 'toD is that the ,rogrammers ne&er throw anthing awa8 There are now four uto5D #aria$les that go#ern your line ty&e scale' +t can see" a little confusing% so hang on tight while we ta8e a run through the"< S&ggested (al&es:
TS5) E 1'0 5)TS5) E 1'0 PSTS5) E 1 MSTS5) E 1 To change a variabe!s vaue" sim#$ t$#e it in at the command ine and enter a new vaue when #rom#ted% These vaues are saved in the drawing" so it!s worth getting them right in $our tem#ate fie% )h% sh"&ld ! &se these (al&es*
Why ha#e + suggested these settings et "e run through each one in a little "ore detail' LTS'L+
This #aria$le sets the !ine Ty&e Scale factor glo$ally' Use !TS!9 to change the scale factor of all linety&es for all geo"etry in a drawing' 5hanging the linety&e scale factor causes a 4799N7 so you can see the result of your changes straight away' +f you only draw and &lot fro" Model s&ace% you can use !TS!9 to scale all your line ty&es to suit your &lot scale' +f you use Pa&er s&ace layouts% Gust lea#e this set at 1..
'+LTS'L+
Sets the urrent 9ntity !ine Ty&e Scale i%e% whatever $ou are about to draw ne&t @ The 9!TS!9 is relati#e to !TS!9' (y setting 9!TS!9 to 0' the net line you draw will ha#e a linety&e scale factor which is half that of the lines drawn &re#iously' Cou can use this feature to #ary the linety&e scale of your lines as you draw the"' Cou can also change the line ty&e scale of so"e geo"etry after you7#e drawn it $y selecting the geo"etry and loo8ing for 4!TS!97 in the &ro&erties &alette' Don7t forget to set the 49!TS!97 $ac8 to "atch 4!TS!97 when you7re finished'
SLTS'L+
This #aria$le controls the linety&e scaling of geo"etry dis&layed in &a&er s&ace #iew&orts 6 a&er S &ace !ine Ty&e Scale' This #aria$le only has two settings' Setting 4S!TS!97 to A,ffB will "ean that the linety&e scale factor of your "odels&ace geo"etry will not $e effected $y the scale of your #iew&ort' Setting 4S!TS!97 to 1 A,nB "eans that the line ty&e scale of your "odels&ace geo"etry will $e scaled to "atch the #iew&ort scale' If $ou use #a#er s#ace a$outs" turning #a#er s#ace ine t$#e scaing on ensures that a $our geometr$ wi have the correct ine t$#e scae" no mater what the view#ort scae is% 4!TS!97 and 49!TS!97 Still effect the ine ty&e scale of your geo"etry' Cou "ight need to use the 4799N7 or 4799N!!7 co""and to see the result of any changes in your #iew&orts'
-SLTS'L+
This is a reasona$ly new ASince 200HB% $ut etre"ely useful #aria$le' i8e Pa&er s&ace line ty&e scaling% ;odel S &ace !ine Ty&e Scaling only has two o&tions' Setting ;S!TS!9 to 0 A,ffB is the default setting and will $eha#e as utocad always has' Setting ;S!TS!9 To 1 A,nB will cause the ine ty&e scale of any geo"etry in "odel s&ace to $e scaled $y the nnotation scale' This allows you to ha#e a &re#iew of how the line ty&e scale "ight loo8 when seen through a scaled #iew&ort' ;S!TS!9 ,#errides !TS!9 and 9!TS!9 in Models&ace% $ut it doesn7t effect Pa&ers&ace% so it won7t change how your geo"etry loo8s inside your #iew&orts' Using ;S!TS!9 is a really good way of chec8ing that your linety&es are going to loo8 as you e&ect the" to% without ha#ing to 4Flic87 $ac8 and forth $etween Pa&ers&ace and Models&ace'
Do you know how to which Linetype definitions you should use to meet the ISO Technical drawing standard? Read these posts on defining ISO linetype definitions to find out more .
Technical Drawing Standards: Line c"l"&rs. Ianuary 2010 | Paul Munford Filed Under: Technical Drawing Standards Tagged With: ine Ty&e Definitions
Sho'ld o' 'se colo'r line wor* on o'r drawings< The (ritish standards for technical drawing suggest that you don!t use coloured lines on your drawings' This "a8es sense fro" a Setting out &oint of #iew% "ost of our drawings will $e &hotoco&ied at so"e &oint in their life and the coloured lines won7t show u&' The (ritish standards do "a8e a &ro#ision if you want to use coloured lines in your drawing% you Gust need to add a note or 8ey to e&lain what the coloured lines "ean' Do o' 'se colo'r lines on o'r Drawings< •
es ! "t#s in o$r %ompan'ind$str'lo%al standard
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No ! T(ere#s no point
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No ! )$t *e s(o$ld+
Jiew ?esults '() This has nothing to do with the coour of the ines that $ou see on $our screen" on$ the #rinted out#ut%
Image: FreeDigitalPhotos.net
5hec8 out: (S )* +S, 12/20:2001 Technical drawings' eneral &rinci&les of &resentation' (asic con#entions for lines *r read more #osts on
Technical drawing standards .
Technical Drawing Standards: Line T%#e Deniti"ns. Ianuary 2010 | Paul Munford Filed Under: Technical Drawing Standards Tagged With: ine Ty&e Definitions
The ad&antage of 'sing the British standard is that the line t,e definitions ha&e largel $een coordinated in their meanings across the "nd'stries. Putting the ine ty&es% ine weights and ine ty&e scales together% we get the following ine ty&e Definitions to use in our drawings' + ha#e a"alga"ated the definitions fro" the engineering drawing su&&le"ent and the construction drawing su&&le"ent together' The ine ty&e definition nu"$ers are "y own' ,nce again% you are free to "a8e u& your own line definitions% $ut it is reco""ended that you &ut a note on the drawing with their "eaning'
(S ////:200/ Technical &roduct s&ecification' (S )* +S, 12/20:2001 Technical drawings' eneral &rinci&les of &resentation' (asic con#entions for lines (S +S, 12/2-:1... Technical drawings' eneral &rinci&les of &resentation' ines on construction drawings (S +S, 12/2K:1... Technical drawings' eneral &rinci&les of &resentation' ines on "echanical engineering drawings
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nony"ous says May 2011 at .:KH a" The ine weights ought to $e in the ratio three:2:1' The additional line weight for construction drawings is used to re&resent gra&hical sy"$ols and is situated so"ewhere $etween the a *arrow ine and a Wide line' ,epl
Paul Munford says
o
May 2011 at 11:0K a" Than8s #ery "uch for your co""ent' +f you are loo8ing for infor"ation on ine Weights% s&ecifically 6 you can find out "ore here: htt&:LLcadsetterout'co"LtechnicaldrawingstandardsLlineweightsL 5heers% Paul ,epl
2'
eith S' ngus says Iune 2012 at 11:2H &" So what are all these 5DN+S, linety&es that we are offered Which +S,% and why Which industries are they used in +7" not aware of any standard that calls the" u&% and find + ha#e to write "y own line definitions to get anything sensi$le' Surely in these days of worldwide standards that shouldn7t $e necessary A+7" trying to decide if +7" serious or Go8ing when + say that 6 $ut + really can7t "a8e "y "ind u&@B ,epl
Paul Munford says
o
Iune 2012 at 12:0H &" >i eith% This is fro" the 5D+S,'lin file A2010B: 4+S, 12/ A+S,LD+S 12011B linety&es ha#e $een added' OO OO The si!e of the line seg"ents for each defined +S, line% is OO defined for an usage with a &en width of 1 ""' To use the" with OO the other +S, &redefined &en widths% the line has to $e scaled OO with the a&&ro&riate #alue Ae'g' &en width 0% "" ltscale 0'B'7 + ha#e no idea how "uch ti"e and effort the 5D #endors s&end 8ee&ing u& to date with current standards@ Paul ,epl
Lea(e a /e#l%
Cour e"ail address will not $e &u$lished' ?e3uired fields are "ar8ed Q *a"e Q )"ail Q We$site
5o""ent + a" >u"an@ Ces@ +Rd li8e to Goin the 5S, "ailing list
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Popular on CSO 101 "nentor prod$%tiit tips A$to/AD aering prod$%tiit- neer $se t(e aers p$ll do*n again+ • •
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A$to/AD ine Tpe %ales- t(e e%ret Tr$t(
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Technical Drawing standards: Line T%#es. Ianuary 2010 | Paul Munford Filed Under: Technical Drawing Standards Tagged With: ine Ty&e Definitions
The British standards gi&e 's fifteen line t,es to 'se. Not all of them ha&e a s,ecific meaning or at least the onl ha&e a meaning that is s,ecific to the ind'str the are 'sed in. Cou are not li"ited to these line ty&es' Cou can define your own% $ut the (ritish standards re3uire that you add a 8ey to your drawing to descri$e your custo" line ty&es "eaning'
(S ////:200/ Technical &roduct s&ecification'
Technical Drawing standards: Line weights. Ianuary 2010 | Paul Munford Filed Under: Technical Drawing Standards Tagged With: ine Ty&e Definitions
The British Technical Drawing standards allows for three !ine weights on each drawing. 5owe&er= this &aries for each drawing disci,line. )ngineering drawings only re3uire two line weights% 5onstruction drawings can ha#e u& to fo'r !ine weights' The ine weights should $e in the ratio K:2:1' The etra line weight for
construction drawings is used to re&resent gra&hical sy"$ols and is situated so"ewhere $etween the 4*arrow7 ine and 4Wide7 line' The acce&ta$le line weights Ain ""B that can $e used in a drawing are as follows: .1> | .2? | .0? | .? | .@ | 1. | 1.4 | 2. +or the nerds among $ou the ratio between ,ine weights is )./ 01 )%23) Cou can use which e#er grou& of line weights you li8e' Cou should $ase your choice on the si!e of &a&er and co&ying re3uire"ents' Narro* t(in
rap(i%al sm6ols
ide T(i%9
:;tra ide
0'1-
0'1/
0'2
0'
0'1/
0'2
0'-
0'H
0'2
0'-
0'
1'0
0'-
0'
0'H
1'K
0'
0'H
1'0
2'0
if $ou on$ want to use two ine weights" take the narrow and wide #air from each row% The default line weight in $oth utocad and +n#entor is 0'2""' The reco""ended ine weight for the 4Drawing fra"e7 A(orderB for engineering drawings is 0'H""' +7" not sure how this fits in@
(S ////:200/ Technical &roduct s&ecification' (S )* +S, 12/20:2001 Technical drawings' eneral &rinci&les of &resentation' (asic con#entions for lines (S +S, 12/2-:1... Technical drawings' eneral &rinci&les of &resentation' ines on construction drawings (S +S, 12/2K:1... Technical drawings' eneral &rinci&les of &resentation' ines on "echanical engineering drawings
rame. ugust 2010 | Paul Munford Filed Under: Technical Drawing Standards Tagged With: Si!e and ayout of Drawing Sheets
The t,ical 9ngineering6 stle drawing $order has a grid reference frame drawn into the $order. The grid references are 'sed for the location and coordination of details. rid Line )eights
The rid lines the"sel#es are drawn with a .0?mm line weight' They are s&aced ?mm a&art fro" the centring lines' The last two di#isions can $e whate#er si!e they end u&' rid /eerences
The grid references start fro" the to, left of the sheet% with letters running #ertically fro" the to& down and nu"$ers running hori!ontally fro" left to right' ,n an K sheet the grids only need to $e drawn on the to& and left hand side' The letters " and # are not used 6 $ecause they could $e confused with 1 and '
45 Drawing (order with 6rids 7 ick to enarge
The &mer " Di(isi"ns de#ends "n the Sie " the a#er a#er Sie
A0
A1
A2
A3
A4
L"ng Side
24
1<
12
8
<
Sh"rt Side
1<
12
8
<
4
(S )* +S, KH:1...1:2010 Technical &roduct docu"entation' Si!es and layout of drawing sheets
Technical Drawing Standards: 'entring -ar6s Iune 2010 | Paul Munford Filed Under: Technical Drawing Standards Tagged With: Si!e and ayout of Drawing Sheets
The BS "S# standards re+'ire entring6 mar*s on 9ngineering Drawings. +f you are &roducing 4Sho&7 drawings in the construction industry you "ay chose to use an )ngineering or an rchitectural style drawing fra"e' This a "atter for your co"&any standards' 5entring "ar8s hel& to align the drawing when it7s $eing co&ied or "icrofil"ed' +f you want to include centring "ar8s in your drawing fra"e% they should $e 10"" wide and &laced at the centre of each edge of your drawing fra"e' They don7t ha#e to $e a single line% the design of the centring "ar8s is u& to you Ago wild@B
(S )* +S, KH:1...1:2010 Technical &roduct docu"entation' Si!es and layout of drawing sheets
+ngineering drawing rame "rder sie May 2010 | Paul Munford Filed Under: Technical Drawing Standards Tagged With: Si!e and ayout of Drawing Sheets
The siAe of the drawing $order (or 9ngineering Drawing %rame) on o'r technical drawings is co&ered in BS 9N "S# ?4?@. The (S +S, standards re3uire a 20"" $order to the left hand edge Afor filingB and a 10"" $order round the other three sides of the drawing sheet' 5lic8 Si!e and ayout of )ngineering Drawing sheets for "ore on grid reference fra"es and &a&er si!es'
+or more information on engineering drawing a$outs check out the Technica Drawing 9tandards :age;
Technical Drawing Standards: a#er Sies May 2010 | Paul Munford Filed Under: Technical Drawing Standards Tagged With: Si!e and ayout of Drawing Sheets
The British (BS) and "nternational ("S#) Standards gi&e 's a range of standard ,a,er siAes to choose from. The range is 8now as the 47 Si!e range' The argest co""only used si!e is which is a &iece of &a&er 1m in area with the sides in &ro&ortion 1:2 A 1:1'KB'
1 is half this si!e% 2 is half that% 0 is half again and 4 is half that' 4 is the s"allest co""only used si!e for technical drawings'
Tabe of si
:NTH
"DTH
A0
118>
841
A1
841
5>4
A2
5>4
420
A3
420
2>7
A4
2>7
210
Tabe of enargement and reduction scaes ?,=@ ' T=
A0
A1
A2
A3
A4
A0
100
71
50
35
25
A1
141
100
71
50
35
A2
200
141
100
71
50
A3
283
200
141
100
71
A4
400
283
200
141
100
