[modeleng] Re: Saddle keys and etc.
- From: "Ronald" <Ron@xxxxxxxxxxxxxxxxxxxxxxxxxx>
- To: <modeleng@xxxxxxxxxxxxx>
- Date: Mon, 18 Oct 2004 21:31:29 +0100
Do you mean torque would shear the key or screw ?? (due to the inertia or
kinetic energy of the system )
----- Original Message -----
From: "Allen Messer" <al_messer@xxxxxxxxx>
To: <modeleng@xxxxxxxxxxxxx>
Sent: Monday, October 18, 2004 12:19 AM
Subject: [modeleng] Re: Saddle keys and etc.
Starting and stopping. The cylinder measures 1-5/8"
bore by 3" stroke and probably will exhibit a lot of
"Umph".
Al Messer
--- Ronald <Ron@xxxxxxxxxxxxxxxxxxxxxxxxxx> wrote:
> I cannot see how centrifugal force comes into the
> system , could you explain
> ??
> ----- Original Message -----
> From: "Allen Messer" <al_messer@xxxxxxxxx>
> To: <modeleng@xxxxxxxxxxxxx>
> Sent: Thursday, October 14, 2004 3:00 PM
> Subject: [modeleng] Re: Saddle keys and etc.
>
>
> You are correct. My concern is would only one screw
> present enough surface to keep centrifugal force
> from
> shearing it in two?
>
> Al Messer
> --- alanjstepney
> <alan@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>
> wrote:
>
> > Wilfreid, I think Allen meant the key to go in to
> > the face of the
> > wheel/axle, and not through the wheel into the
> axle.
> >
> > I reckon that procedure, screw half-and-half, is
> OK
> > as it has been used for
> > many years without problems.
> > alan@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
> >
> > www.alanstepney.info
> > Model Engineering, Steam Engine, and Railway
> > technical pages.
> >
> > ----- Original Message -----
> > From: "Wilfried Vermeiren"
> > <vermeiren.wilfried@xxxxxxxxx>
> > To: <modeleng@xxxxxxxxxxxxx>
> > Sent: Wednesday, October 13, 2004 8:13 PM
> > Subject: [modeleng] Re: Saddle keys and etc.
> >
> >
> >
> >
> > -----------
> > Also, as to "round keys", would two 5-40 (5 BA)
> > screws
> > installed 180 degrees apart be proper for a 1/2"
> > shaft
> > with half the hole in the wheel and half in the
> > shaft?
> > -----------
> > Just an opinion but I think this is asking for
> some
> > wobble afterwards.=20
> > I was always told NEVER to fix a pulley, handwheel
> > or whatever to a =
> > shaft
> > using one or two opposite positioned setscrews but
> > instead to place =
> > always
> > two at 120=B0. The reason is that the direction of
> > the pull is on the =
> > opposite
> > side from them nicely in-between the remaining
> > 240=B0. Giving a sort of
> > fixture equal to the tree legged milk chair.
> > Since you fix the two screws in-between the axle
> and
> > the wheel and =
> > probably
> > in doing so put some stress, drilling and tapping,
> > in that place I would
> > rather like to seen then at 120=B0
> > Don=92t know off hand the size of 5 Ba but one
> looks
> > sufficient for a =
> > 12.7mm
> > axle.=20
> > Regards
> > Wilfried Vermeiren
> > http://users.skynet.be/modelbouw.wilfried=20
> > updated.
> >
> >
> > MODEL ENGINEERING DISCUSSION LIST.
> >
> > To UNSUBSCRIBE from this list, send a blank email
> > to,
> > modeleng-request@xxxxxxxxxxxxx with the word
> > "unsubscribe" in the subject line.
> >
>
>
>
>
>
> __________________________________
> Do you Yahoo!?
> Yahoo! Mail - You care about security. So do we.
> http://promotions.yahoo.com/new_mail
> MODEL ENGINEERING DISCUSSION LIST.
>
> To UNSUBSCRIBE from this list, send a blank email
> to,
> modeleng-request@xxxxxxxxxxxxx with the word
> "unsubscribe" in the subject
> line.
>
> MODEL ENGINEERING DISCUSSION LIST.
>
> To UNSUBSCRIBE from this list, send a blank email
> to,
> modeleng-request@xxxxxxxxxxxxx with the word
> "unsubscribe" in the subject line.
>
_______________________________
Do you Yahoo!?
Declare Yourself - Register online to vote today!
http://vote.yahoo.com
MODEL ENGINEERING DISCUSSION LIST.
To UNSUBSCRIBE from this list, send a blank email to,
modeleng-request@xxxxxxxxxxxxx with the word "unsubscribe" in the subject
line.
MODEL ENGINEERING DISCUSSION LIST.
To UNSUBSCRIBE from this list, send a blank email to,
modeleng-request@xxxxxxxxxxxxx with the word "unsubscribe" in the subject line.
Other related posts:
