Popular Woodworking 2005-02 № 146, страница 26
Tricks of the Trade
continued from page 23
Hole Saw Ejector
I recently needed to cut a bunch of 1"-dia. discs from 3/4"-thick stock using a hole saw. To minimize the problem of removing the piece from the cutter afterward, I drilled halfway through from one side of the stock, then completed the cut by entering from the opposite side. Even so, the pieces stuck inside the cutter, and I found that I was ruining a lot of them when pulling them out with Channellock pliers or trying to push them out through the slot in the side of the cutter. I needed a better solution.
Thinking that an interior spring might do the trick, I plundered my hardware jar and found a stiff spring whose length just about matched the length of the drill bit inside the hole saw. This time, before drilling the second half of the piece, I slipped the spring over the drill bit. At the end of the cut, the spring provided just enough pressure to eject the piece. However, the end of the spring tended to scar the face of the piece, so I headed out to
Brass grommet fits into ends of spring
Spring assembly slides over drill bit in hole saw
the hardware store, where I found a couple of grommets that fit the ends of the spring perfectly - problem solved. The time spent finding and matching the appropriate hardware was quickly recovered by the time saved quickly drilling perfect pieces.
Gabriel Castro Victorville, California continued on page 26
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