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dnns  
#1 Posted : Tuesday, March 28, 2023 6:06:05 PM(UTC)
dnns

Rank: Junior Member

Joined: 1/26/2008(UTC)
Posts: 22

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Shark CAD 14 v. 14.4.0 build 1616 (mac-intel, os 10.14. no windows yet, right?)

I've been trying to build a gear, and noticed that it makes the same gear profile no matter how I change the settings. Except when it crashes.

The crash bit first: If I change the pressure angle to anything but 20.0, with any other settings at all, Shark suddenly vanishes (with all the unsaved work)

the gear I've tried to make:

Teeth: 52
Module: 0.8
Pressure angle: 20.0
Clearance: 0.25

Which Shark builds, but not really 'properly' If I make the same gear in Solidworks, GearModeller, FreeCAD-the profiles come out pretty close to each other-and functional, but different from what Shark builds (which isn't really functional as built). Shark's gears don't seem to mesh with themselves (even the default dimensioned one), whereas gears from other software do.

I've attached a file. Am I missing something here, or is the gear generator missing something?

thanks
File Attachment(s):
SharkTeeth.sfx (1,905kb) downloaded 6 time(s).

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Tim Olson  
#2 Posted : Tuesday, March 28, 2023 6:52:49 PM(UTC)
Tim Olson

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Joined: 2/2/2007(UTC)
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The Pressure angle was doing a wonky radian to degree calculation which was fixed in 1622.

I've updated your access to the beta forum where you can get a newer build to confirm this corrects your issue.


Tim


Tim Olson
IMSI Design/Encore
dnns  
#3 Posted : Thursday, March 30, 2023 8:58:05 PM(UTC)
dnns

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I DL'd 1623, the crash went away, but the gear got worse (didn't see 1622 available) Doesn't really matter. I have other ways of making gears easily anyway.

File Attachment(s):
GearFailure.sfx (52kb) downloaded 0 time(s).
dnns attached the following image(s):
SharkGear.png (23kb) downloaded 0 time(s).
sharkError.png (12kb) downloaded 0 time(s).

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Tim Olson  
#4 Posted : Friday, March 31, 2023 9:16:09 AM(UTC)
Tim Olson

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I matched a gear from an online gear generator. What units are you using?

Tim
Tim Olson
IMSI Design/Encore
24c  
#5 Posted : Friday, March 31, 2023 12:14:51 PM(UTC)
24c

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Tim

I get the same "ACIS Error" window pop up & I'm using metric millimetres.

if I open a new drawing, PowerPack>Draw>Gear, select the centre, and add @dnns parameters... ACIS error
there is one gear tooth



Mike

24c attached the following image(s):
Screenshot 2023-03-31 at 19.11.25.png (13kb) downloaded 0 time(s).

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macOS 14.3.1 (Sonoma) - MacBook M1 Max 64GB 2TB SSD & external display - SharkCAD Pro v14.1.0 build 1654
dnns  
#6 Posted : Sunday, April 2, 2023 10:42:16 PM(UTC)
dnns

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Posts: 22

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same thing, millimeters.
Tim Olson  
#7 Posted : Monday, April 3, 2023 8:14:35 AM(UTC)
Tim Olson

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Found it, fixed in next build.

Tim
Tim Olson
IMSI Design/Encore
thanks 1 user thanked Tim Olson for this useful post.
24c on 4/3/2023(UTC)
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