[AT] tractor hauler a pain to install headlights.

[Cecil Bearden]

There is less than a 1/4 in between the bumper and the grill.  If there 
was another 1/4in, I could slip a 1/4in  universal socket with a long 
extension and get the grill out.   Part of this is due to the cad 
programs.  The other part is very few engineers have any clue as to how 
to repair the vehicle they are designing...   I guess it could be 
attributed to the absence of high school shop classes........  When I 
get the barn cleaned out and my 4post lift in there, I will get it 
raised up and change the lights.

Cecil

On 1/15/2020 9:40 PM, Dennis Johnson wrote:
> Steve,
>
> You might be right for autos. My experience was Paccar (KW, Pete, 
> etc), International, CAT, used ProE. Schlumberger and Boeing also used 
> ProE. Things may have changed the last few years.
>
> Dennis
>
>
> Sent from my iPad
>
>> On Jan 15, 2020, at 1:27 PM, Stephen Offiler <soffiler at gmail.com> wrote:
>>
>> 
>> To the best of my knowledge, Catia and Unigraphics NX both outpace 
>> Pro/E in the automotive industry.
>>
>> SO
>>
>>
>> On Wed, Jan 15, 2020 at 2:13 PM Dennis Johnson 
>> <moscowengnr at outlook.com <mailto:moscowengnr at outlook.com>> wrote:
>>
>>     Most larger automotive companies and engine companies use ProE
>>     cad programs.
>>     Cad programs do not cause clearance or maintenance issues. These
>>     programs just allow the operator to make poor designs quicker
>>     than old days with tee squares.
>>
>>     Dennis
>>
>>
>>     Sent from my iPhone
>>
>>>     On Jan 15, 2020, at 12:15 PM, Stephen Offiler
>>>     <soffiler at gmail.com <mailto:soffiler at gmail.com>> wrote:
>>>
>>>     
>>>     Interesting comments on screen sizes James.  I've got a dual
>>>     monitor setup, 27" in front of me and 21" just to the right.
>>>     When doing CAD work, it's mostly done on the main screen, with
>>>     the smaller one containing notes, word processor, internet
>>>     browser, calculator, useful tools along those lines. But to
>>>     comment on scale:  A practical problem I run into is with small
>>>     parts.  It is a basic functionality of CAD to zoom, pan, and
>>>     rotate the part or assembly on screen.  You can take a tiny part
>>>     and fill the screen with it and lose appreciation for scale very
>>>     quickly.
>>>
>>>     SO
>>>
>>>
>>>     On Wed, Jan 15, 2020 at 12:32 PM James Peck
>>>     <jamesgpeck at hotmail.com <mailto:jamesgpeck at hotmail.com>> wrote:
>>>
>>>         When vehicles were designed on the board, they drew in 1/2
>>>         scale. You could look at a drawing and relate it to reality.
>>>         If you taped a drawing to a wall, you could get a sense of
>>>         the vehicle size.  If a designer had a full size or 1/2 size
>>>         CAD screen, those inaccessible places would be much more
>>>         noticeable. People doing 3D solid modelling sometimes have
>>>         multiple screens, one for each view. It would be difficult
>>>         to design anything on a smart phone screen. It is not much
>>>         easier on a small monitor. Monitors do continually get
>>>         larger, just like TV screens.
>>>
>>>         Some years ago I read some issues of a then DaimlerChrysler
>>>         employee newsletter. One article covered a group that real
>>>         world verified that all maintenance operations could be
>>>         performed on a new model. If the maintenance could not be
>>>         performed, the group would have to design a specialized tool
>>>         or get a tool manufacturer to design the tool and offer it
>>>         for sale.
>>>
>>>         They did all this after the vehicle had been designed and
>>>         production was imminent. I am guessing that moving heaven
>>>         and earth would be easier than getting the product design
>>>         changed.
>>>
>>>         Toyota which emphasizes production efficiency not product
>>>         design may not do it any differently.
>>>
>>>         Cecil Bearden AT List member, Oklahoma farmer, and
>>>         Professional Engineer (crbearden at copper.net
>>>         <mailto:crbearden at copper.net>); <snap> This is the problem
>>>         of designing with AutoCAD and those other computer drafting
>>>         programs. The designer has no idea of the clearance in the
>>>         finished product. <snip>
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