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no thread options for BSC (British Standard Cycle) Thread Data

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Message 1 of 3
Anonymous
1616 Views, 2 Replies

no thread options for BSC (British Standard Cycle) Thread Data

Anonymous
Not applicable

NoBSC.PNG

 

 

 

 

BSC (British Standard Cycle) Thread Data

 

Seems like there is loads of options on threads in Fusion but no BSC data table?

Specifically 1/2" 26TPI thread, still a highly common engineering standard in British fabrication.

 

Why no love for BSC? Heart

 

I'm new to the product but would like to show the geometry in the model accurately and i may also look to translate this into inventor later for production drawings, not good to have thread data shown incorrectly as later it may not be picked up in drawing, especially as this is likely to be done by colleague, i don't know this thread size is supported inside inventor either. Any one?

 

 

"This fine thread profile was formulated for, and is well suited to cycle and motorcycle applications. Its fine pitch, allows high torque settings, and resists the tendancy to loosen under vibration, the larger core diameter also gives greater shear strength. Most people think that all cycle threads are 26 tpi pitch. Whilst this is true of all the most popular sizes from 1/4" to 3/4" diameter, other pitches were also used as shown in the tables seen in the CEI section

Angle of thread = 60o" - www.britishfasteners.com/threads/bsc.html

 

bsc.jpg

 

Diameter(Inches) Threads per inch Pitch(Inch) CoreDiameter(Inch) Tapping Drill Size

0.125(1/8th) inch40 Tpi0.0250.0984 insNumber Drill 390.1004 inch 2.5mm
0.1563 5/32 inch32 Tpi0.03120.1231 insNumber Drill 300.126 inch 3.25mm
0.1875(3/16) inch32 Tpi0.03120.1542 insNumber Drill 230.1562 inch 3.97mm
0.250(1/4) inch26 Tpi0.03850.2091 insNumber Drill 30.2188 inch 5.56mm
0.281(9/32) inch26 Tpi0.03850.2403 insLetter Drill D0.2441 inch 6.2 mm
0.3125(5/16) inch26 Tpi0.03850.2715 insLetter Drill J0.2756 inch 7 mm
0.375(3/8) inch26 Tpi0.03850.334 insLetter Drill R0.3368 inch 8.65 mm
0.4375(7/16) inch26 Tpi0.03850.3965 insLetter Drill X0.3976 inch 10.1 mm
0.5(1/2) inch26 Tpi0.03850.4590 ins0.4606 inch 11.7 mm
0.5625(9/16) inch26 Tpi0.03850.5215 ins0.5156 (33/64) inch 13.1 mm
0.625(5/8) inch26 Tpi0.03850.5840 ins0.5906 inch 15 mm
0.6875(11/16) inch26 Tpi0.03850.6465 ins0.6496 inch 16.5 mm
1 inch26 Tpi0.03850.959 ins0.9688 (31/32) inch 24.61.1 mm
0 Likes

no thread options for BSC (British Standard Cycle) Thread Data

NoBSC.PNG

 

 

 

 

BSC (British Standard Cycle) Thread Data

 

Seems like there is loads of options on threads in Fusion but no BSC data table?

Specifically 1/2" 26TPI thread, still a highly common engineering standard in British fabrication.

 

Why no love for BSC? Heart

 

I'm new to the product but would like to show the geometry in the model accurately and i may also look to translate this into inventor later for production drawings, not good to have thread data shown incorrectly as later it may not be picked up in drawing, especially as this is likely to be done by colleague, i don't know this thread size is supported inside inventor either. Any one?

 

 

"This fine thread profile was formulated for, and is well suited to cycle and motorcycle applications. Its fine pitch, allows high torque settings, and resists the tendancy to loosen under vibration, the larger core diameter also gives greater shear strength. Most people think that all cycle threads are 26 tpi pitch. Whilst this is true of all the most popular sizes from 1/4" to 3/4" diameter, other pitches were also used as shown in the tables seen in the CEI section

Angle of thread = 60o" - www.britishfasteners.com/threads/bsc.html

 

bsc.jpg

 

Diameter(Inches) Threads per inch Pitch(Inch) CoreDiameter(Inch) Tapping Drill Size

0.125(1/8th) inch40 Tpi0.0250.0984 insNumber Drill 390.1004 inch 2.5mm
0.1563 5/32 inch32 Tpi0.03120.1231 insNumber Drill 300.126 inch 3.25mm
0.1875(3/16) inch32 Tpi0.03120.1542 insNumber Drill 230.1562 inch 3.97mm
0.250(1/4) inch26 Tpi0.03850.2091 insNumber Drill 30.2188 inch 5.56mm
0.281(9/32) inch26 Tpi0.03850.2403 insLetter Drill D0.2441 inch 6.2 mm
0.3125(5/16) inch26 Tpi0.03850.2715 insLetter Drill J0.2756 inch 7 mm
0.375(3/8) inch26 Tpi0.03850.334 insLetter Drill R0.3368 inch 8.65 mm
0.4375(7/16) inch26 Tpi0.03850.3965 insLetter Drill X0.3976 inch 10.1 mm
0.5(1/2) inch26 Tpi0.03850.4590 ins0.4606 inch 11.7 mm
0.5625(9/16) inch26 Tpi0.03850.5215 ins0.5156 (33/64) inch 13.1 mm
0.625(5/8) inch26 Tpi0.03850.5840 ins0.5906 inch 15 mm
0.6875(11/16) inch26 Tpi0.03850.6465 ins0.6496 inch 16.5 mm
1 inch26 Tpi0.03850.959 ins0.9688 (31/32) inch 24.61.1 mm
2 REPLIES 2
Message 2 of 3
promm
in reply to: Anonymous

promm
Alumni
Alumni

@Anonymous,

 

This is a good idea.  Please submit this as a IdeaStation request. 

https://forums.autodesk.com/t5/forums/postpage/board-id/125

Later this year we are looking to improving our hole functionality, along with combining it with the hole feature.  Based off of community support we will evaluate adding this to the project.

 

Cheers,

 

Mike Prom

0 Likes

@Anonymous,

 

This is a good idea.  Please submit this as a IdeaStation request. 

https://forums.autodesk.com/t5/forums/postpage/board-id/125

Later this year we are looking to improving our hole functionality, along with combining it with the hole feature.  Based off of community support we will evaluate adding this to the project.

 

Cheers,

 

Mike Prom

Message 3 of 3
HughesTooling
in reply to: Anonymous

HughesTooling
Consultant
Consultant

@Anonymous

 

See this ideastation request, 4th comment down gives information on adding custom threads to Fusion.

https://forums.autodesk.com/t5/ideastation-request-a-feature-or/non-standard-threads/idi-p/5717744

 

Mark

Mark Hughes
Owner, Hughes Tooling
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Did your question get successfully answered? Then click on the ACCEPT SOLUTION button.

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@Anonymous

 

See this ideastation request, 4th comment down gives information on adding custom threads to Fusion.

https://forums.autodesk.com/t5/ideastation-request-a-feature-or/non-standard-threads/idi-p/5717744

 

Mark

Mark Hughes
Owner, Hughes Tooling
Did you find this post helpful? Feel free to Like this post.
Did your question get successfully answered? Then click on the ACCEPT SOLUTION button.

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