View Single Post
  #26   Spotlight this post!  
Unread 31-12-2009, 16:17
Brandon Holley's Avatar
Brandon Holley Brandon Holley is offline
Chase perfection. Catch excellence.
AKA: Let's bring CD back to the way it used to be
FRC #0125 (NU-TRONs, Team #11 Alumni (GO MORT))
Team Role: Engineer
 
Join Date: Jan 2004
Rookie Year: 2001
Location: Boston, MA
Posts: 2,593
Brandon Holley has a reputation beyond reputeBrandon Holley has a reputation beyond reputeBrandon Holley has a reputation beyond reputeBrandon Holley has a reputation beyond reputeBrandon Holley has a reputation beyond reputeBrandon Holley has a reputation beyond reputeBrandon Holley has a reputation beyond reputeBrandon Holley has a reputation beyond reputeBrandon Holley has a reputation beyond reputeBrandon Holley has a reputation beyond reputeBrandon Holley has a reputation beyond repute
Send a message via AIM to Brandon Holley
Re: pic: Chassis Idea

Quote:
Originally Posted by artdutra04 View Post
Turning down the ends of shafts on a lathe takes one tool.

Drilling and tapping the ends takes three: a center drill, the drill bit, then the tap.

On a manual lathe, it's faster to turn the ends down.

# of tools is kind of an unfair comparison here. Drilling the ends of a piece of stock is probably the simplest operation you can do on a manual lathe. No zeroing (assuming your going to just do a rough estimate of depth because your tapping the hole anyway) and no measuring of the piece to ensure correct diameter.

My guess is that the lathe operations would take close to the same amount of time for both kinds of axle, including the tool change for the drill. The tapping will cause the dead axle to take a longer amount of time, but we're talking about a matter of minutes which I do not feel is enough to justify changing a design from dead to live. There are a ton of other considerations obviously, but I just wanted to point that out.

-Brando
__________________
MORT (Team 11) '01-'05 :
-2005 New Jersey Regional Chairman's Award Winners
-2013 MORT Hall of Fame Inductee

NUTRONs (Team 125) '05-???
2007 Boston Regional Winners
2008 & 2009 Boston Regional Driving Tomorrow's Technology Award
2010 Boston Regional Creativity Award
2011 Bayou Regional Finalists, Innovation in Control Award, Boston Regional Finalists, Industrial Design Award
2012 New York City Regional Winners, Boston Regional Finalists, IRI Mentor of the Year
2013 Orlando Regional Finalists, Industrial Design Award, Boston Regional Winners, Pine Tree Regional Finalists
2014 Rhode Island District Winners, Excellence in Engineering Award, Northeastern University District Winners, Industrial Design Award, Pine Tree District Chairman's Award, Pine Tree District Winners
2015 South Florida Regional Chairman's Award, NU District Winners, NEDCMP Industrial Design Award, Hopper Division Finalists, Hopper/Newton Gracious Professionalism Award
Reply With Quote