[modeleng] Re: Simple Question

Too right yer are Andy.

 I worked at the machinist trade for 20 some odd years and never even owned 
an adjustable spanner.  Had a full assortment of sockets, open ends and box 
ends to fit every occasion until some idiot decided to start using them 
Meteroric bolts in our vehicles.

Jesse in still hot and dry Troy, TN


----- Original Message ----- 
From: "Andrew Houston" <andrew@xxxxxxxxxxxxxxxxx>
To: <modeleng@xxxxxxxxxxxxx>
Sent: Friday, June 19, 2009 6:11 PM
Subject: [modeleng] Re: Simple Question


> Barrie
>
> More than likely it's caused by the "backlash" in the adjuster.  When you
> put the spanner on the nut and adjust it to fit, the adjuster is pushing 
> on
> the side that forces the jaws closed.  Therefore, the clearance on the
> adjuster is on the side where the jaws can only become smaller.
>
> When you remove said spanner from the nut, the jaws will relax towards the
> smaller size - 'cos they can't go t'other way.
>
> Anyway, adjustable spanners should NOT be used on engineering bolts, 
> screws
> and nuts.  The correct sized, ring spanner, open ended or socket is an
> engineering tool.  Adjustable spanners are ok for plumbing (actually pipe
> fittings since plumbers deal in lead pipes and sheets that don't need
> spanners) and gas fittings.
>
> Simple !
>
> Andy
>
> -----Original Message-----
> From: modeleng-bounce@xxxxxxxxxxxxx [mailto:modeleng-bounce@xxxxxxxxxxxxx]
> On Behalf Of Barrie Purslow
> Sent: 19 June 2009 21:07
> To: Model Engineering List
> Subject: [modeleng] Simple Question
>
> Whenever I use an adjustable spanner I always make sure the jaws are
> adjusted to be a snug fit on a hexagon. But why is it that when I remove 
> the
> spanner from the hex. I cannot get it on again without increasing the jaw
> spacing?
> Barrie
> MODEL ENGINEERING DISCUSSION LIST.
>
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