バックランプのLED化(その10)-3W LEDのヒートシンクを加工①2010/06/15 21:05

 前回、「とにかくやってみよう」ということで、ヒートシンクを削って、直径20mmに収まるようにする訳ですが、何せまともな金属加工工具が無いので、地道な、そして荒っぽい作業になりそうです。
 完成するまでには、ちょっと時間が掛かりそうなので、小出しにしてみます。
 まずは、加工前の状態です。
 この周囲の放射状の部分を、根元から約3mmくらいを残して削る訳ですが、ご覧の通り、その隙間が狭い(2mm位)ので、手工具では無理そうです。
 そこで、荒っぽい作業となるのですが、「ジスクグラインダー」という電動工具を使ってみます。
 この電動工具は、決してこのような作業に適している訳ではありません。むしろ、不向きと言った方が正しいかもしれません。手元に他に使えそうな工具が無いので、やむを得ず、といった感じで使います。

 で、その結果がこれです。
 もちろん、途中ですが、とりあえず、ここまで削れば、他にも方法が考えられそうです。
 しかし・・・、そうです、削りすぎです。
 3mmくらい残さないといけないのに、何を考えているのか・・・、結構、根元近くまで削ってしまいました。

 一応、測ってみると、2mmは余計に削っている感じです。
 ただでさえ、放熱効果が減少してしまうのに・・・。
 しか~し、ここでやめる訳にはいきません。
 ここからは、鉄ヤスリで、地道に一本一本削っていこうと思います。
 いくら軟らかいアルミとはいえ、チョッキン・チョッキンと切れるものでもありません。
 結構、疲れる作業になりそうです・・・。

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