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	<title>Galoototron &#187; sharpening</title>
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		<title>Restoring an Ash Mortise Chisel</title>
		<link>http://www.galoototron.com/2010/04/01/restoring-an-ash-mortise-chisel/</link>
		<comments>http://www.galoototron.com/2010/04/01/restoring-an-ash-mortise-chisel/#comments</comments>
		<pubDate>Fri, 02 Apr 2010 05:15:44 +0000</pubDate>
		<dc:creator>Brian</dc:creator>
				<category><![CDATA[Chisels]]></category>
		<category><![CDATA[Old Tools]]></category>
		<category><![CDATA[sharpening]]></category>

		<guid isPermaLink="false">http://www.galoototron.com/?p=742</guid>
		<description><![CDATA[To make the joinery in the stool project, I&#8217;m going to need a fatter mortise chisel than my W. Butcher &#8220;pigsticker.&#8221; Fortunately, while trolling eBay a while back, bidding cheaply on every pigsticker I saw (and losing all of them), &#8230; <a href="http://www.galoototron.com/2010/04/01/restoring-an-ash-mortise-chisel/">Continue reading <span class="meta-nav">&#8594;</span></a>]]></description>
			<content:encoded><![CDATA[<p>To make the joinery in the stool project, I&#8217;m going to need a fatter mortise chisel than my <a href="http://www.galoototron.com/2009/07/29/mortise-chisel-part-2/">W. Butcher &#8220;pigsticker.&#8221;</a> Fortunately, while trolling eBay a while back, bidding cheaply on every pigsticker I saw (and losing all of them), I managed to pick up two for about $13 each. When the dust cleared, I had a 3/8&#8243; William Ash and a 7/16&#8243; Samuel Newbould. Both needed work to get back into usable shape, but at least I didn&#8217;t have to make a handle for either.</p>
<p>For whatever reason, I picked the Ash to restore now, which had a lot of rust. In retrospect, I have no idea why. The Newbould doesn&#8217;t have much rust, but it does have some pitting near the tip, as does the Ash. And of course, that&#8217;s the worst part, right? So no problem with the slightly smaller chisel, right?</p>
<p>Well, that is, unless that one has a tip that is about as sharp as a blunt screwdriver, which is exactly what the Ash had. But I&#8217;m pretty hardheaded, so I resolved to reshape the bevel. However, even though this type of chisel is laminated and most of the metal is pretty soft, the cutting edge is always ridiculously hard. I didn&#8217;t want to spend years trying to muscle that off. For salvation, I turned to&#8230;</p>
<p><strong>The world&#8217;s most horrible grinder.</strong></p>
<p><a href="http://www.galoototron.com/wp-content/uploads/2010/04/worlds_worst_grinder.jpg"><img class="alignnone size-full wp-image-743" title="worlds_worst_grinder" src="http://www.galoototron.com/wp-content/uploads/2010/04/worlds_worst_grinder.jpg" alt="" width="450" height="448" /></a></p>
<p>Hand-crank grinders look cute and all, but I bought this Wissota thing for about 50 cents a long time ago, and after fiddling around for a long time trying to make it turn even halfway reasonably, I put it aside. Some of its many features include:</p>
<ul>
<li>Grotesquely misshapen, hot-burnin&#8217; wheel</li>
<li>Mismatched bushing/arbor</li>
<li>Missing tool rest (although this might not be such a bad thing)</li>
<li>Bent crank handle</li>
<li>Frozen nuts</li>
<li>Broken clamp knob</li>
</ul>
<p>But for whatever reason, instead of going out and getting something reasonable, I put it on the bench and started fooling around with it. I managed to get the nuts turning, and when I tightened everything up and turned the crank, it started spinning with a groan. For lack of a better idea, I squirted a little WD-40 into the oil hole, and to my surprise, the noise went away and it turned freely.</p>
<p>So I put on the safety glasses, got a jar of water for cooling the blade, and went to work, using a clamped board as a tool rest. This worked well enough (gotta love those high-carbon steel sparks), and before long, I had an actual bevel on the blade. Whee.</p>
<p>Then I turned my attention to the chisel&#8217;s face. There was a lot of pitting near the tip on this one after some flattening:</p>
<p><a href="http://www.galoototron.com/wp-content/uploads/2010/04/mortise_chisel_ash_pitted.jpg"><img class="alignnone size-full wp-image-744" title="mortise_chisel_ash_pitted" src="http://www.galoototron.com/wp-content/uploads/2010/04/mortise_chisel_ash_pitted.jpg" alt="" width="450" height="414" /></a></p>
<p>Oh, how I hate dealing with this mess. It was off to the surface plate and the 3X sandpaper to fix this problem:</p>
<p><a href="http://www.galoototron.com/wp-content/uploads/2010/04/flattening_out_chisel_pitting.jpg"><img class="alignnone size-full wp-image-745" title="flattening_out_chisel_pitting" src="http://www.galoototron.com/wp-content/uploads/2010/04/flattening_out_chisel_pitting.jpg" alt="" width="450" height="429" /></a></p>
<p>The sandpaper doesn&#8217;t stay aggressive on this steel for very long. After switching sandpaper about 5 times (note to self: get some 60-grit paper next time), I had finally gotten through the pitting, so I finished smoothing the face, then turned my attention to the bevel side.</p>
<p>I started with an Eclipse-style honing guide at first, but this chisel is just too heavy for that, so I just did it freehand. This worked well, and before long, I had a sharp chisel. But it&#8217;s not truly sharp until you use it to make sure, so I did just that on some beech:</p>
<p><a href="http://www.galoototron.com/wp-content/uploads/2010/04/ash_mortise_chisel_beech.jpg"><img class="alignnone size-full wp-image-746" title="ash_mortise_chisel_beech" src="http://www.galoototron.com/wp-content/uploads/2010/04/ash_mortise_chisel_beech.jpg" alt="" width="450" height="320" /></a></p>
<p>Yeah, I&#8217;d say it works. I might remove some of that black oxidation on the sides at some point, but for now, I don&#8217;t think I need to. Anyone want to take bets on how long the handle will last?</p>
<p>One question remains: What will become of the world&#8217;s most horrible grinder? I might be able to make it work reasonably well with a decent wheel and a little tuning. Or should I get a new one? Grinders are useful things, no doubt about it; I just hadn&#8217;t really needed to bother with one until now.</p>
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		<item>
		<title>Silly Honing Guide Tricks</title>
		<link>http://www.galoototron.com/2009/11/19/silly-honing-guide-tricks/</link>
		<comments>http://www.galoototron.com/2009/11/19/silly-honing-guide-tricks/#comments</comments>
		<pubDate>Fri, 20 Nov 2009 05:10:14 +0000</pubDate>
		<dc:creator>Brian</dc:creator>
				<category><![CDATA[Chisels]]></category>
		<category><![CDATA[Old Tools]]></category>
		<category><![CDATA[Workbench and Workshop]]></category>
		<category><![CDATA[sharpening]]></category>

		<guid isPermaLink="false">http://www.galoototron.com/?p=525</guid>
		<description><![CDATA[After finishing off those last two projects, I had some time to clean and rearrange stuff in the shop, and as I was doing so, I couldn&#8217;t help myself from sharpening up a nice old W. Butcher chisel I got &#8230; <a href="http://www.galoototron.com/2009/11/19/silly-honing-guide-tricks/">Continue reading <span class="meta-nav">&#8594;</span></a>]]></description>
			<content:encoded><![CDATA[<p>After finishing off those last two projects, I had some time to clean and rearrange stuff in the shop, and as I was doing so, I couldn&#8217;t help myself from sharpening up a nice old W. Butcher chisel I got off of eBay a while back. I decided that I needed to reshape the bevel, so I put some Norton 3X on the surface plate and set up my Lee Valley/Veritas Mk. 2 honing guide. (I sharpen freehand for the most part now, but for shaping, I use the guide.)</p>
<p>As I was going to work, the blade did something that it sometimes does in the guide&#8211;it slipped and rotated out of square. This has been my only major gripe with the guide, and it&#8217;s going to happen with any top-clamping guide, especially with the narrower blades.</p>
<p>Then I thought of a way to make it stop, maybe. I took a small piece of very fine grit sandpaper (1500 in this case), folded it, and put it between the blade and the guide on the bevel side, where it wouldn&#8217;t affect the bevel angle:</p>
<p><img class="alignnone size-full wp-image-526" title="honing_guide_trick" src="http://www.galoototron.com/wp-content/uploads/2009/11/honing_guide_trick.jpg" alt="honing_guide_trick" width="450" height="374" /></p>
<p>And it no longer slipped around. Someone else has probably thought of this fix, too, they&#8217;ve had to.</p>
<p>(For the record, my only other gripe with the guide, a minor one, is that the knurled knobs are sometimes difficult to loosen. I&#8217;d kind of prefer something more like a wingnut.)</p>
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