Acme Thread Design 1

[bsj0526]

I need a model of or information on a large OD (4.7") Acme thread. I am looking at making it about .5" tall.

Thanks for any help,
Brian

 

[SBaugh]

Make a Cylinder at the maximum diameter. Then make a helix at he pitch Diameter. Make a profile on a plane that is normal to the curve and make it yourself... its far to easy to make one yourself then to ask for someone to do it for you or for a model location.

The time I takes to find an answer you can have one already made.

Regards,

Scott Baugh, CSWP

http://www.scottjbaugh.com

"If it's not broke, Don't fix it!"

faq731-376

 

[bsj0526]

What I am really looking for is the design parameters for the thread. I am designing a cast part that will have threads on it.

 

[ctopher]

Is this a special thread size, or do you know the exact thread size?

Chris
SolidWorks/PDMWorks 08 1.1
AutoCAD 06
ctopher's home (updated 10-07-07)
ctopher's blog

 

[ShaggyPE]

Machinery Handbook appears to have all of the data on acme screw sizes.


-Dustin
Professional Engineer
Certified SolidWorks Professional

 

[BARM]

Just look up the thread spec's in the standards. You can also find info. in the Machinery's handbook.

---SW 2008 SP1.1---

 

[lumenharold]

If you model or use non-standard thread sizes frequently you might consider purchasing thread calculator software. MEthreadpal is $50US (or was when I bought it).

I've attached a pdf of the thread data for a 4.700-2 ACME single start thread. I don't use ACME threads typically so take the data for what it's worth (i.e. double check a couple of the dimensions based on the Machinery's Handbook formulas). The profile form is readily available in the handbook as well when you are ready to create your model.

Harold
SW2008 SP1.1 OPW2008 SP0.1
www.lumenflow.com

 

[CorBlimeyLimey]

Open Google.
Type "acme screw thread" in the search field.
Click Google Search button.
Double click the first item listed.
Read faq559-1091