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Posted by John Miller on March 7, 2006, 6:38 pm
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Perhaps you should consider sending your orchards overseas instead of
dealing with all the hassle of making new blades :)
--
J Miller
> Those of you that follow this NG closely may know I grow apples for a
> living...
>
> I use the "Limb Lopper" brand pruner to prune my orchard. This is the
> Cadillac of pruners. Like all too many quality made in USA products, it
> has been judged too expensive and now you can only get inferior products
> made off shore. The pruner is out of production and parts will soon not be
> available.
>
> The shear and hook part of the pruner are wear items that must be
> re-sharpened every few hundred trees. After 10,000 or so trees you need to
> replace them. My son is writing up a CNC program to machine the parts
> after scanning in a coordinate measuring machine.
>
> These two parts are made out of a tool steel with incredible properties.
> The material is as resistant to being bent as the best quality wrenches. I
> have never broke or bent a hook and shear. Yet, the steel is soft enough
> to be sharpened with a file.
>
> I need to determine exactly what this material is and its likely heat
> treatment. I want to get this exactly right, not just guess. How would I
> go about finding out what material to use?
>
> Karl
>
>
>
|
> living...
>
> I use the "Limb Lopper" brand pruner to prune my orchard. This is the
> Cadillac of pruners. Like all too many quality made in USA products, it
> has been judged too expensive and now you can only get inferior products
> made off shore. The pruner is out of production and parts will soon not be
> available.
>
> The shear and hook part of the pruner are wear items that must be
> re-sharpened every few hundred trees. After 10,000 or so trees you need to
> replace them. My son is writing up a CNC program to machine the parts
> after scanning in a coordinate measuring machine.
>
> These two parts are made out of a tool steel with incredible properties.
> The material is as resistant to being bent as the best quality wrenches. I
> have never broke or bent a hook and shear. Yet, the steel is soft enough
> to be sharpened with a file.
>
> I need to determine exactly what this material is and its likely heat
> treatment. I want to get this exactly right, not just guess. How would I
> go about finding out what material to use?
>
> Karl
>
>
>