---------------------- multipart/alternative attachment On 23-aug-04, at 19:14, Joe Garrett wrote: > =A0What my mentor called it was: Hammer Shaping! I've since convinced=20= > him to call it Surfacing, Resurfacing or Filing. > I find this to be a constant irritant. The oldetimers called it=20 > "shaping" and everyone else just follows along like sheep! Sheesh! The=20= > term invokes an incorrect approach to the process, thus making one=20 > have the propensity to do the process incorrectly. It's a mind image=20= > thingee. > Once one grasps the concepts of what actually SHAPES A HAMMER or put=20= > in proper context what actually DETERMINES the shape of a hammer, then=20= > it will all be clearer and cause one to approach the process=20 > correctly. > THE SHAPE is dictated by several factors: 1. the shape of the=20 > moulding. 2. the shape of the under felt. 3. the shape that the hammer=20= > felt is skived to, pre pressing. The secondary factorsw are: 1: the=20 > shape of the caul that the hammers are pressed into. 2. the amount of=20= > pressure during pressing 3. how long the hammers are left in the caul.=20= > All of these things dictate the SHAPE of a hammer! > In actuality, we really are "peeling", (a=A0LAYER off of),=A0the = hammer.=20 > If we follow the "natural" curvature, (ie shape), we will have taken=20= > off continuous layer of felt. This leaves a continuous layer on the=20 > top surface of the hammer. IMO, this lends to better/easier voicing=20 > possibilities. Thus making our work easier.<G> If there is not a=20 > continuous layer of felt on the top surface of the hammer, OR if the=20= > hammers have been worn/surfaced too many times we are contending with=20= > short layers that are holding very little pressure in an uneven=20 > manner. Sound familiar? > On that, I'll let y'all ponder, for a while. For those who choose to=20= > continue to use the archaic/incorrect term, so be it. IMO, ya just=20 > don't get it!<G> Most on this list espouses making changes for the=20 > better, in our industry. This is one of those changes, that is way=20 > overdue. Think about it. > Best Regards, > Joe Garrett, R.P.T. > Captain, Tool Police > Squares R I > antares ---------------------- multipart/alternative attachment A non-text attachment was scrubbed... Name: not available Type: text/enriched Size: 2681 bytes Desc: not available Url : https://www.moypiano.com/ptg/pianotech.php/attachments/7b/c7/f1/43/attachment.bin ---------------------- multipart/alternative attachment--
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