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Posted by on January 6, 2008, 5:29 pm
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On Jan 5, 8:53=A0pm, Richard Edwards <richard-
edwardsbu...@burrsblueyonder.co.uk> wrote:
> The 4 step motor pulley on my Viceroy needs attention.
>
> All pictures atwww.edelec.pwp.blueyonder.co.uk
>
> The original setup with the 0.5hp single phase motor is shown in
> dsc0059.jpg
>
> What I would like to achieve with the new 1.0hp 3 phase motor is shown
> in dsc0062.jpg
>
> Other pics 63 and 64
>
> However the pulley is currently bored 20.3mm =A0and the motor shaft is
> 19mm
>
> Do I bore and loctite a sleeve =A0in? Or do i build up the bore with
> liquid metal and bore to 19mm? If I do this does it make sense to open
> up the bore a bit first using a high feedrate to give a "key" to the
> liquid metal.
> Grub screws to bear on the key look ok to be fitted in 2 of the belt
> grooves.
> Rule measurements indicate that 38mm of the 40mm long shaft would be
> engaged with the pulley.
>
> I look forward to your comments. No extreme urgency as I have plenty
> else to do!
> --
>
> Richard
>
> Email address is valid but remove burrs before sending!
Bore the pulley out and put in a steel insert with a small flange on
one end to locate it, you can locktite if you wish, then get the
pulley running true in the 4 jaw and bore for the shaft, finallly
drill the bush tapping size fore the grub screws and tap,
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>
> All pictures atwww.edelec.pwp.blueyonder.co.uk
>
> The original setup with the 0.5hp single phase motor is shown in
> dsc0059.jpg
>
> What I would like to achieve with the new 1.0hp 3 phase motor is shown
> in dsc0062.jpg
>
> Other pics 63 and 64
>
> However the pulley is currently bored 20.3mm =A0and the motor shaft is
> 19mm
>
> Do I bore and loctite a sleeve =A0in? Or do i build up the bore with
> liquid metal and bore to 19mm? If I do this does it make sense to open
> up the bore a bit first using a high feedrate to give a "key" to the
> liquid metal.
> Grub screws to bear on the key look ok to be fitted in 2 of the belt
> grooves.
> Rule measurements indicate that 38mm of the 40mm long shaft would be
> engaged with the pulley.
>
> I look forward to your comments. No extreme urgency as I have plenty
> else to do!
> --
>
> Richard
>
> Email address is valid but remove burrs before sending!