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Fiddle Jameson: Cutting and trimming the purfling groove. Once the edge margins are smooth and finished, no bumps etc, that edge is used to guide the process of cutting the purfling groove. I set my CNC machine with a 1.4 mm bit 2mm off the table, and positioned the router forward from a guide pin. Once I’ve tested the dimensions on some scrap wood, I put the plate next to the guide pin and give the command for the router to go to 2mm. Once the router is lowered I carefully guide the plate edge around the guide pin. The router is only used for the long curves, once I get into the corners I retract the router and leave that work to be done by hand. The corners are finished off with the traditional, marker, knife, and purfling cleaning tool
image error Instagram filter used: Normal Photo taken at: Howery Violins View in Instagram ⇒ Fiddle Jameson: Cutting and trimming the purfling groove. Once the edge margins are smooth and finished, no bumps etc, that edge is used to guide …
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Fiddle Jameson: Trimming the margins. Once the ledge for the top and bottom plates is a uniform 4.3 mm then the top and bottom plates are “tacked” glued to the blocks. The rib out line is then used to trim the plate edge margins to 2.5mm. I use the CNC machine to “rough” out the margins. By fastening a guide pin on the CNC table and then positioning the router bit about 5mm from the edge I can move the instrument body against the guide pin to get a uniform edge margin. Once the edge is consistent, I can move the CNC router 1/2 to a 1/10 of a mm towards the body to sneak up on my final measurements. As with the ledge, I bring the CNC within .3 to .5 mm and then finish by hand for those final 1/10ths
image error Instagram filter used: Normal Photo taken at: Howery Violins View in Instagram ⇒ Fiddle Jameson: Trimming the margins. Once the ledge for the top and bottom plates is a uniform 4.3 mm then the top and bottom plates …
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Fiddle Jameson: Marking the rib outline on the top and back plates and rough carving the arching
Instagram filter used: Normal Photo taken at: Howery Violins View in Instagram ⇒ Fiddle Jameson: Marking the rib outline on the top and back plates and rough carving the arching. #violin #viola #fiddle #5stringfiddle #violinJameson #fiddlejamesen #violinmaker #luthier #cnc #cncviolinmaker …
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Fiddle Jameson: Corner blocks all trimmed, ribs bent and glued on the form
Instagram filter used: Normal View in Instagram ⇒ Fiddle Jameson: Corner blocks all trimmed, ribs bent and glued on the form. #violin #viola #fiddle #5stringfiddle #violinJameson #fiddlejamesen #violinmaker #luthier #cnc #cncviolinmaker #orchestra #fernandinabeach #ameliaisland #brunswickga #staugustine #stmarys #jacksonville #jaxsymphony #unfmusic …
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Fiddle Jameson: Templates refined. A bit narrower in the waist to accommodate the 5 strings
Instagram filter used: Normal Photo taken at: Howery Violins View in Instagram ⇒ Fiddle Jameson: Templates refined. A bit narrower in the waist to accommodate the 5 strings. #violin #viola #fiddle #5stringfiddle #violinJameson #fiddlejamesen #violinmaker #luthier #cnc #cncviolinmaker #orchestra #fernandinabeach …