工作台腿虎钳

一万四千八百

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15

After finishing up ourRoubo-inspired workbench,我想补充的第一件事是一个腿虎钳。There are several ways to go about building one,but after seeing a few example of vises using linear bearings and rods to act as a parallel guide,I thought I'd give it a shot.

One thing to consider before getting started is which side of the bench to mount the leg vise.Since I'm (mostly) right-handed,I'll be mounting the vise to the front-left leg to make edge planing easier,but if you're left-handed you may want to consider mounting it to the front-right leg.

Step 1: Preparing for the Linear Bearing

I got a bit of a head-start on the vise installation while I was still working on the bench by drilling a few holes for the vise screw and linear bearing that I will be using in the leg.如果你在现有的长凳上工作,it should still be possible to drill all the holes with a cordless drill using a square to keep the drill as perpendicular to the front face of the leg as possible.

I decided to go with a20mm linear bearing,but for a bit more strength you could also use a30mm linear bearing并且可能避免需要增加一个楔子来抵消裂缝。(Although I definitely recommend the wedge if you really like cranking down!)

To recess the linear bearing,我先钻一个大点的shallow hole in the leg a few inches up from the bottom on the front face of the leg.At the center of that hole,我又钻了一个比轴承圆柱略大的孔,这样会有一个小的摆动空间,使安装时更容易垂直于腿面。

然后,我从腿上的榫头(工作台顶部)的顶部钻了一个9英寸的孔,用于固定虎钳螺钉。因为我的福斯特钻头不够长,然后,我在无绳电钻中用一把铁锹钻头把腿夹在几个小木块上,以防止腿后部撕裂,从而完成钻孔。

Step 2: Installing the Linear Bearing

Next,我通过插入直线杆再次检查直线轴承是否垂直于腿的正面,并在预钻孔和将其拧到腿上之前,在我的无绳钻中用forstner钻头稍微调整一下。

Step 3: Mounting the Vise Screw Collar

对于这个虎钳,I decided to go with aYost 18" Vise Screw.它很强壮,relatively cheap,and turns easily.

I mounted the vise-screw's collar to the rear of the leg using four 3" #14 screws.To center the collar opening with the hole in the leg,I mostly just eye-balled it from above while making a few marks at the extents.最终的目标是将螺钉放在腿孔的中心位置,这样在旋转时就不会产生摩擦。After marking the hole locations,I then pre-drilled and screwed it in place.

Step 4: Painting the Vise Hardware

While the vise hardware is great,it was a bit toobluefor me.I first cleaned the paint with some mineral spirits and then masked off the screw with a bit of string and a piece of dowel.After a couple of coats of flat black spray paint,硬件看起来很好,与我计划用于端虎钳的硬件匹配。

第五步:把腿骨粘起来

Next,it was time to start on the chop.我先用斜接锯把一个2x8粗切成两半。然后,我从每一块木板上穿过细木工,然后把两块木板粘在一起形成一块厚木板。

Step 6: Surfacing the Chop

一旦胶水干了,I took it back over to the jointer to flatten one face and one edge before surfacing the other face at the planer.I then took it back over to the miter saw to cut it to final length before ripping it to final width at the table saw.

Step 7: Beveling and Trimming the Chop

To make cutting pieces held in the vise easier,在去钻床前,我先在切肉的顶部切了一个斜角,让它看起来更漂亮一些,稍微变亮一点。要做到这一点,I used a large Forstner bit to cut out a curve about a foot from the top on each side.然后,我沿着曲线内侧开始的边缘划出一条线,在带锯上把它们锯下来。

Step 8: Finishing the Chop

用砂纸打磨干净带锯痕迹后,我在钻床上钻出虎钳螺丝的孔并用少许煮沸的亚麻子油擦拭之前,用我的刨子在切肉的前边缘加了一个1/4“的斜面。

Step 9: Attaching the Leg Vise

Next it was time to attach the leg vise to the bench.I started by reattaching the screw collar to the back of the leg (after the paint dried).I then inserted the vise screw through the chop and threaded it onto the collar.To ensure the screw was centered in the hole in the chop I shimmed it along the floor,and then pre-drilled and attached the screw to the chop with a pair of 2" #14 screws.

Then,把切好的肉靠在长凳腿上,放在底部的中央,I inserted the Forstner bit that matched the bearing size and marked on the back of the chop the location for the rod.I removed the chop and drilled a 2" deep hole at the drill press with a20mm Forstner bit这样就可以固定住杆子了。

Step 10: Adding a Handle

I decided to keep the handle simple for now (mostly because I don't have a lathe).So I cut a piece of 1" oak dowel,打磨得很好,and pinned it in place with a screw.To finish it,I wiped on two coats ofDanish Oil.

Step 11: Adding a Guide

After installing the rod (without glue for now) it was time for some tests.不幸的是,the weight of the chop combined with the slight play in the vise screw caused the rod to sometimes bind in the bearing.

The solution was to simply use a piece of wood as a guide to help keep the rod perpendicular to the leg face.To do this,I removed the shelf and since I'd already glued the inner stretcher in place,我在里面钻了几个洞,然后用螺丝把导架固定在外担架上。

Another option that I may also try is to add a second linear bearing to the rear of the leg,but so far the simple wooden block has worked great.

Step 12: Adding a Wedge

Although the guide addition made the motion of the vise very smooth,there was still a little racking when clamping work-pieces down hard in the vise.A 30mm bearing and rod probably would have eliminated most of it (also adding drawer liner or leather to the chop helped considerably),but with the 20mm ones I used I decided to try Jay Bates's solution which was to use a wedge along the bottom of the chop.

我找到了另一块木头碎片,把它切成16英寸长6英寸宽,与我在虎钳上切的大约4英寸宽1.5英寸深的部分吻合。I then used some double-sided tape to secure it to a piece of MDF to act as a tapering jig at the table saw.

After ripping it into two pieces I cut one half down to make a smaller 12" wedge for workpieces up to 3" wide.然后,我用楔子在切肉上划出相应的部分,然后用手锯把它锯下来。

Step 13: Finishing the Leg Vise

To finish up the chop I added a little wood glue to the hole for the rod -- mostly just to harden the wood around it as the fit was already tight enough to hold it in place.

我还剪了一块厚厚的抽屉衬垫,以便在切肉的顶部增加更多的握力,并用一些双面胶带将其固定到位。This actually ended up eliminating the need for the wedge during most clamping operations.

步骤14:结果

有了这两个变化,it's now possible to apply alargeamount of clamping pressure to a work-piece without fear of damaging the linear bearing.到目前为止,我对它的发展方式和工作效果都很满意。下一个将是一个滑死人,这应该使它更有用!

Step 15: Parts and Materials

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    15讨论

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    Yonatan24号 HughReynolds

    Reply 5 months ago

    我看那是双关语的失败结果。就像我大部分的笑话…
    I write vise,or bench vise,with ans.

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    在家附近 HughReynolds

    Reply 6 months ago

    Hahah!Next you'll be demanding that I spell "color" with a "u"!:)

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    DanF73 HughReynolds

    Reply 6 months ago

    It 'tis - vise is a tool a vice is an addiction

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    戴夫.凡妮斯.79

    Tip6 months ago

    Great job.我使用30毫米的轴和一个LM30UU轴承。It is a cylinder with a 45mm (1.77") outer diameter.I drill a 1.75" hole in the leg and use a mallet to press in the bearing.(这是一个22美分的压缩。)这些轴承在易趣上的售价超过10美元。

    I buy the shat from zoro.A 400mm (15-3/4") shaft is less than $35.我花不到70美元买了一个1200毫米的轴,把它剪下来做成三个。

    Also I mount the chop (movable part) to the shaft so that it is slanted in 2 or three degrees.That way the vise also closes at th top first/

    I like to mount leather on the chop if a have some.如果我不去的话,从汽车店买个垫圈瓶塞。

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    阿凡斯

    6个月前Step 15

    Lots of Leg Vise builds and plans on-line but most do not effectively handle the lower end of the vise jaw.这种设计在底部使用一块有棱角的木头,but it still could be improved.It should be easy to use an acme threaded rod at the bottom and a movable half-nut to lock the lower end in position.Another alternative might be to change the triangular block to a wooden cam that is operated via a shaft and knob from near the top of the vise.
    All-in-all,一个好的设计,可以用通常放在车间周围的废料建造。

    1个答复
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    在家附近 阿凡斯

    Reply 6 months ago

    I was hoping the 20mm rod and bearing would be enough.抽屉里衬在印章上,大多数操作都可以使用。The wedge I added just to see how well it worked (it actually works great) and it produces about as more force as you could ever need.人们也使用十字线或圣。Peters Cross and those seem to work pretty well also.

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    Mickleblade

    6 months ago

    不错的项目,我还没有意识到直线轴承和连杆是如此便宜。

    1个答复
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    在家附近 Mickleblade

    Reply 6 months ago

    Yeah,我很高兴看到现在有一些相当实惠的。I think the bearings are now like 50% cheaper than when I ordered them.

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    kmpres

    6 months ago

    Nice build!I wish my shop was as new and fully equipped as yours.我有一半的期望你的虎钳小腿有第二个梯形螺纹杆驱动链轮和自行车链连接到上面的杆,这将更密切地匹配虎钳钳口的机械运动。You'd have to make the chain fairly tight to avoid backlash but the robustness of your design suggests it could be done fairly easily.The chain would have to be covered to keep the sawdust out,though.Do you think that's possible?

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    在家附近 kmpres

    Reply 6 months ago

    谢谢!花了一段时间(看销售情况,等)把我所有的装备,但到目前为止,它一直很好地支撑着。I've seen a few people talk about doing the chain,but it seems like it'd add more resistance when opening/closing the vise and possibly clog with dust.

    There are a few alternatives to the lower rod/shaft such as using a "crisscross" that people also seem to like,but I wasn't a fan of carving out a bunch of the leg to fit one in.