PVC Pipe and Fittings Library: Difference between revisions

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=Introduction=
=Basics=
The dimensions of the PVC pipes can be found here [[PVC_Pipe]].
Wikipedia on Nominal Pipe Size (NPS) [https://en.wikipedia.org/wiki/Nominal_Pipe_Size],


We will use following guide line for position of a pipe: put one end (base) of the pipe onto the x-y plane. The center of the base has coordinate (0,0,0). The the other into positive direction of the z-axis. The default pipe length is 1ft.
This is a library of all the current PVC Pipe and Fittings that have been made in freecad for OSE. Many fittings can be created using [[OSE Piping Workbench]].
Rationale: This is the same way FreeCAD places a new cylinder. We mimic the FreeCAD behavior for UI consistancy.


 
= Pipe dimensions used in literature =
===Notations===
* O.D. - outer diameter.
* O.D. - outer diameter.
* Average I.D. - average inner diameter (why average?). This dimensions determine the size of the pipe.
* Average I.D. - average inner diameter (why average?). This dimension determines the size of the pipe.  
* Min. Wall - thickness of the pipe wall.
* Min. Wall - thickness of the pipe wall.
* Schedule - determines (indirectly) the thickness of the wall.
* Schedule - determines (indirectly) the thickness of the wall.


===Notes===
=Basic Parts=
"O.D." = "Average I.D."+2"Min. Wall"
*1.5" elbow -
*2" coupler - [[File:2inchcoupler.fcstd]]
 
=Parts Generated Using the OSE Piping Workbench + Other=


=Gallery=
<gallery perrow=6>
<gallery perrow=6>
File:pvc-pipe-nps-sch40-1d8.png |'''SCH40 1/8"  PVC pipe''' - size:5kb - FreeCAD -[[File:pvc-pipe-nps.fcmacro]]
File:3elbow.png |'''3" PVC Elbow'''. Standard height of 4.75" as in [https://www.mcmaster.com/2389K29/]. - size:20kb - FreeCAD -[[File:3"-pvc-elbow.fcstd]],
 
File:toiletparts.png| '''Toilet Parts''' - Includes closet flange, 3" elbow with 2" heel, long 3" elbow - [[File:toiletparts.fcstd]]
 
File:rotatabletrap.png |'''1.5" rotatable trap''' -  FreeCAD -[[File:15rottrap.fcstd]]
 
 
File:2doublesanteetee.png |'''2" sanitary tee''' -  FreeCAD -[[File:2doublesantee.fcstd]]
 
File:2doublefixtee.png |'''2" double fixture tee''' - Nibco site - [https://catalog.nibco.com/rfcconfirmation?name=all-categories&xcartid=27675] FreeCAD -[[File:2doublefixtee.fcstd]]
 
 
File:3to15bushing.png |'''3" to 1.5" reducer bushing''' - FreeCAD -[[File:3to15bushing.fcstd]]
 
File:3wye.png |'''3" wye''' - size:80kb - FreeCAD -[[File:3wye.fcstd]]
 
File:345streetbend.png |'''3" 45 degree street elbow''' - size:80kb - FreeCAD -[[File:345streetbend.fcstd]]
 
File:1FKHDAF.png|'''1.5" 45 degree street elbow''' - size:80kb - FreeCAD -[[File:1545streetbend.fcstd]]
 
File:15elbow.png |'''1.5" elbow''' - size:30kb - FreeCAD -[[File:15elbow.fcstd]]
 
File:2tee.png |'''2 inch tee''' - size: 25k  - FreeCAD -[[File:2tee.fcstd]]
File:create-pipe-cad-screenshot.png |'''SCH40 1"  PVC pipe''' - size:5kb - FreeCAD -[[File:pipe-test.fcstd]],
File:create-elbow-cad-screenshot.png |'''Elbow test file.''' Here alpha° is 45°. - size:21kb - FreeCAD -[[File:elbow-test.fcstd]],
File:create-coupling-cad-screenshot.png |'''1"-1/2" coupling test file''' - size:17kb - FreeCAD -[[File:coupling-test.fcstd]]
File:create-bushing-cad-screenshot.png |'''1"-1/2" bushing''' - size:21kb - FreeCAD -[[File:bushing-test.fcstd]]
File:create-tee-cad-screenshot.png |'''1" tee test file''' - size:28kb - FreeCAD -[[File:tee-test.fcstd]]
File:create-cross-cad-screenshot.png |'''1" cross test file''' - size:34kb - FreeCAD -[[File:cross-test.fcstd]]
File:create-corner-cad-screenshot.png |'''1" outer corner test file''' - size:30kb - FreeCAD -[[File:corner-test.fcstd]]
</gallery>
</gallery>
=Macros=
To create Pipes 40 and 80 Schedule PVC pipes [[File:pvc-pipe-nps-sch40-1d8.fcstd]]
= How to create a pipe macro =
Steps to create GUI:
The original instruction are taken from [[https://wiki.qt.io/QtCreator_and_PySide|https://wiki.qt.io/QtCreator_and_PySide]] but I (Ruslan) have problems to with them.


# Create with QT Designer a Dialog based on QDialog class. Save the name for example add-nps-pvc-pipe-dialog.ui
=Library of STEP Downloads from McMaster Carr=
# Convert add-nps-pvc-pipe-dialog.ui to python code running
 
#: pyside-uic add-nps-pvc-pipe-dialog.ui -o pipe-dialog.py
Comparable in size to generated parts - except for some parts which are way too heavy.
# Insert content of def setupUi(self, Dialog) and retranslateUi from pipe-dialog.py (How can I insert here a block of python code?)
<gallery perrow=6>
into your macro file. Note, the intention used in macro files created by FreeCAD
 
and the intention created by pyside-uic are different. You must adjust them.
 
File:elbow.png |'''1" PVC Elbow''' - size:19kb - FreeCAD -[[File:1"-pvc-elbow.fcstd]],
 
File:elbowcomp.jpg |Note slight difference compared to generated - 0.15" wall for generated, 0.12 for downloaded.
 
File:1"-pvc-tee.jpg |'''1" PVC Tee''' - size:25kb - FreeCAD -[[File:1"-pvc-tee.fcstd]],
 
File:1"-pvc-valve.jpg |'''1" PVC Valve''' - size:500kb - FreeCAD -[[File:1"-pvc-valve.fcstd]],
 
File:1"-34"-reducer.jpg |'''1"-3/4" PVC Bushing''' - size:13kb - FreeCAD -[[File:1"-34"-reducer.fcstd]],
 
File:1"-cross.jpg |'''1" PVC Cross''' - size:13kb - FreeCAD -[[File:1"-cross.fcstd]],
 
File:2"-elbow.jpg |'''2" PVC Elbow''' - size:157kb - FreeCAD -[[File:2"-elbow.fcstd]],
 
File:2"-tee.png |'''2" PVC Tee''' -157k - STEP -[https://www.mcmaster.com/#2389k23/=1bcgk5c] - FreeCAD - [[File:2"-pvc-tee.fcstd]]
 
File:2"-elbow-short.png |'''2" PVC Elbow - Short Nonstandard''' - size:4kb - STEP -[https://www.mcmaster.com/#4881k26/=1bcheo0] - FreeCAD - [[File:2"-pvc-tee-short.fcstd]] (file misnamed)
 
File:2"-3"-bushing.jpg |'''2"-3" bushing''' - size:161kb - STEP -[https://www.mcmaster.com/#2389k53/=1bchs2a] - FreeCAD - [[File:2"-3"-bushing.fcstd]]
 
File:3"-2"-reducer.jpg |'''2"-3" reducer. Note difference between a reducer and a bushing (last one)''' - size:161kb - Menards -[https://www.menards.com/main/plumbing/rough-plumbing/pipe-tubing-hoses-fittings-accessories/fittings/pvc-fittings/nibco-reg-3x2-reducing-pvc-coupling-dwv/p-1444449202566-c-8557.htm?tid=-6388088944482732916&ipos=4] - FreeCAD - [[File:3"-2"-reducer.fcstd]]
 
File:3"-2"-reducer.jpg |'''2"-1" reducer.''' - size:10kb - STEP -[https://www.mcmaster.com/#4880k338/=1bemizt] - FreeCAD - [[File:2"-1"-PVC-reducer.fcstd]]
 
 
</gallery>
 
= FAQ =
 
* Do we really want to 3D-print pipe fittings? Somehow I have doubt about mechanical properties of the 3D-printed products.
*: Yes.  For high pressure applications - 300 PSI - we would have to be very careful. For low pressure, such as 5 PSI, it's not a problem. Eventually, we want to refine printing techniques where our fittings can do what standard schedule 80 ABS fittings can do.
** Also with things such as part baking/[[FDM 3D Print Annealing | annealing]], composite filaments, and SLA or SLS Printers, very durable parts can be made. Granted i agree proper testing, and potentially getting "Listed" or whatever the [[Building Code]] / [[Insurance]] stuff would need
 
[[Category: Materials]] [[Category: Plumbing]]

Latest revision as of 19:16, 25 August 2023

Basics

This is a library of all the current PVC Pipe and Fittings that have been made in freecad for OSE. Many fittings can be created using OSE Piping Workbench.

Pipe dimensions used in literature

  • O.D. - outer diameter.
  • Average I.D. - average inner diameter (why average?). This dimension determines the size of the pipe.
  • Min. Wall - thickness of the pipe wall.
  • Schedule - determines (indirectly) the thickness of the wall.

Basic Parts

Parts Generated Using the OSE Piping Workbench + Other

Library of STEP Downloads from McMaster Carr

Comparable in size to generated parts - except for some parts which are way too heavy.

FAQ

  • Do we really want to 3D-print pipe fittings? Somehow I have doubt about mechanical properties of the 3D-printed products.
    Yes. For high pressure applications - 300 PSI - we would have to be very careful. For low pressure, such as 5 PSI, it's not a problem. Eventually, we want to refine printing techniques where our fittings can do what standard schedule 80 ABS fittings can do.
    • Also with things such as part baking/ annealing, composite filaments, and SLA or SLS Printers, very durable parts can be made. Granted i agree proper testing, and potentially getting "Listed" or whatever the Building Code / Insurance stuff would need
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