How to draw pipes... just pipe

abc_123 · 发表于 2022-7-7 13:15:07

hi all,

i am new to this forum.. and found the posts are really helpful.. basically i am a mech design fellow designing mech parts like coupling, brackets etc.. recently i am tasked to draw pipes.. just pipes with 2 or 3 bends at different angles / axis..

so ur assistance needed is in ..

(a) how to draw pipes with bend angles in 2d and dimension them..
(b) if possible, pl give some sample dwg files..

thanks in adv..

ReMark · 发表于 2022-7-7 13:21:11

2D? I'm assuming you'll be drawing a double line representation (showing the true O.D. of the pipe). Go find yourself some pipe fitting symbols to use. This will make the job of inserting things like elbows, tees, flanges, reducers, etc. much easier.

abc_123 · 发表于 2022-7-7 13:24:25

thanks... but is there any specific.. ?? and any help in 3d ..> ?

ReMark · 发表于 2022-7-7 13:27:21

Specific what? Symbols?

Are you drawing in imperial or metric units?

3D? You'll need to develop or buy some 3D fittings and learn how to work in different planes by manipulating your UCS.

kramerO · 发表于 2022-7-7 13:28:46

abc_123,
Welcome.
I have many years experience in piping design and might be able to help you with your 2D (only) piping questions.
Start with http://www.spaug.org/LISP_Index01.Html for Russ Steffy's Pipe.LSP

There is one change you need to make to to Pipe.LSP.
Change Line:

copy

"WN_2x150""SO_2.5x150""WN_2.5x150""SO_3x150""WN_3x150"

To:

copy

"SO_2x150""WN_2x150""SO_2.5x150""WN_2.5x150""SO_3x150""WN_3x150"

kramerO

ReMark · 发表于 2022-7-7 13:32:49

Wouldn't it be helpful if we knew what units the OP will be using and what specs he/she will be following?

tzframpton · 发表于 2022-7-7 13:37:18

Great freebie program that does it for you:
http://www.cadtutor.net/forum/showthread.php?10882-Need-better-multiline&p=375064&viewfull=1#post375064

kramerO · 发表于 2022-7-7 13:40:08

PIPE.LSP has option for Drawing Units (millimeters or inches).

abc_123 · 发表于 2022-7-7 13:41:33

HI ALL,

thanks 4 ur suggestions..i will soon (in 2 days) come up with a jpeg of the pipe which i would be drawing.. so that everyone can have a first hand knowledge..

ReMark · 发表于 2022-7-7 13:45:28

In the meantime, care to answer any of the questions above?

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