#399「Phosphor Bronze Refret」“Phosphor Bronze Refret”

結他維修日誌 #399 「Phosphor Bronze Refret」

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唔准諗即刻答，一講起Phosphor Bronze（PB）大家會諗起結他嘅邊一部分？（弦線！）無錯喇，好多結他手都會選用PB嘅弦線。不過今次要介紹嘅唔係弦線，而係PB Fret條。

PB係近年新研發嘅Fret條材料，音質比較溫暖柔和，耐磨性亦比Nickel Silver強，同Stainless Steel相約。嘗試加工PB Fret條時，發現加工好困難。經過一段時間嘅摸索，我哋終於搵到一個又快又準確嘅方法，將Fret條處理成精緻嘅球型邊緣。將結他Refret成PB Fret條之後，立即提升到另一個層次喇～

圖1-2：Phosphor Bronze Fret條拋光後狀態

圖3：處理Fret條嘅工具

圖4：測試Fret Tang（Fret條插入指板凹槽部分）嘅尺寸適合程度

圖5：拋光Fret條

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Guitar Repair Diary #399 "Phosphor Bronze Refret"

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What comes to your mind when we mention Phosphor Bronze (PB)? Many guitarists may think of PB strings. But this time, what we want to introduce is not the strings, but fret wire.

Phosphor Bronze is a newly developed fret wire material in recent years. It has a warmer and softer tone compared to Nickel Silver, and its durability is similar to Stainless Steel. When attempting to refret PB fret wire, we found it to be quite hard to cut and shape the wire. After some trial and error, we finally discovered a fast and precise method to shape the fret wire into delicate rounded hemispherical fret end. 

Picture 1-2: Phosphor Bronze frets after polishing

Picture 3: Tools for handling frets

Picture 4: Testing the fret tang to see if it fits the fret slot

Picture 5: Polishing frets

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