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Harold Hall

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Next, with the machined base against the posts and the machined side against the vertical slide, machine the second side. Depending on the length of the posts you may need to place a parallel between the block and the slide,s face. This is essential as the face about to be machined must be parallel to the other side. Having rough machined the three faces, repeat the above setups, taking only very light cuts, to improve the finish and accuracy. Photograph 2 shows that with only a light cut being taken I opted for using two lightweight toolmakers clamps.

 

Photograph 3 show the vee block now held in a vice. This is also featured as a lathe only project on the site, though of course, any vice large enough that will fit on the vertical slide will be suitable.

 

Mount the vice, with vee block, on the vertical slide, and machine the top surface and the extensions on either side. You will need to insert parallels between the vice and the base of the vee block. Working in the vertical plane makes positioning parallels a little difficult, a third parallel between the two main ones overcomes the problem.

 

Rotate the vee block in the vice, setting it square as in Photograph 4. Machine the ends of the extensions and the vee block section, Photograph 5. You may like to consider reducing the overall length so  it can be mounted between tee slots on your vertical slide, see Photograph 6.

 

I have had no previous experience with this type of block and considered, is it normal for it to include some method of clamping the workpiece, as do the more common versions that have a clamp with a central screw? Either way, I concluded that it would be a worthwhile addition and decided to drill and tap two holes between the two sides on the vee block, these could be used with studs (I used M8) and a bar type clamp as the previous picture shows. Having chosen quite arbitrarily to drill and tap these at this stage I was unaware how soon they were to become useful.

 

I had decided how I was going to machine the vee's but tried many methods, all theoretically possible, but none allowed me to get the vee block into a suitable position for machining. This was a typical example of the problems when working with a vertical slide.

Metalworking

Workshop Projects

Vertical Slide, machining a small vee block
Vertical Slide, machining a small vee block
Vertical Slide, machining a small vee block
Vertical Slide, machining a small vee block
Vertical Slide, machining a small vee block
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 3

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 4

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 5

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 6