1/4 npt female / male threads and Schrader bike valve adapters
I know I can create various threads using BOSL2 but how does one adapt the
code to create 1/4 npt female and Schrader bike valves? Is there a
database for these threads?
Example:
include <BOSL2/std.scad>
include <BOSL2/threading.scad>
pitch = (2.16); //pitch Distance between threads. Default: 2mm/thread (2.28)
depth_a = pitch * cos(30)*5/8; // change 5/8 to adjust thread length
// d Inside base diameter of threads. Default: 10
thread_helix(d=39.34, starts=2, twist=190,profile = [
[-5/16, 0 ],
[-1/16, depth_a/pitch ],
[ 1/16, depth_a/pitch ],
[ 6/16, 0 ],
], higbee=3, $fn=72);
--
"There are two modes of being those in bliss and those seeking bliss,
may each step you take and each thought you make be made in a mindful and
blissful state."
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To make 1/4 npt you should use npt_threaded_rod, with the internal
option. Make sure you orient your threading correctly, because npt
threading tapers.
For bike valve threading you'll have to look up the threading details
somewhere.
On Mon, Aug 9, 2021 at 1:04 AM Stillpoint X stillpointx@gmail.com wrote:
I know I can create various threads using BOSL2 but how does one adapt the
code to create 1/4 npt female and Schrader bike valves? Is there a
database for these threads?
Example:
include <BOSL2/std.scad>
include <BOSL2/threading.scad>
pitch = (2.16); //pitch Distance between threads. Default: 2mm/thread
(2.28)
depth_a = pitch * cos(30)*5/8; // change 5/8 to adjust thread length
// d Inside base diameter of threads. Default: 10
thread_helix(d=39.34, starts=2, twist=190,profile = [
[-5/16, 0 ],
[-1/16, depth_a/pitch ],
[ 1/16, depth_a/pitch ],
[ 6/16, 0 ],
], higbee=3, $fn=72);
--
"There are two modes of being those in bliss and those seeking bliss,
may each step you take and each thought you make be made in a mindful and
blissful state."
This message is confidential and is intended only for the individual(s) or
entity named above and others who have been specifically authorized to
receive it. If you are not the intended recipient, please do not read,
copy, use or disclose the contents of this communication to others. Please
notify the sender that you have received this e-mail in error by replying
to the e-mail and then delete this email and any copies of it. Under no
circumstances may the contents hereof be disclosed to the public without
the sender's prior written permission.
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