Defining My Vice Design
| |Label: Woodworking Projects
The renderings that I included in my previous post were just for general dimensions. While I stated in the article that accompanied them that I was thinking of having the lower screw come at things from the back of the vice, the renderings included do not reflect this.
Damien left a comment regarding my concept and felt that having the screw come at things from the rear wouldnt work as it would not keep the legs parallel. Damien has offered me his opinions a few times in the past and I tend to listen to him. Having followed his blog, Woodlooking, I have come to believe he has a far better grasp of physics than I. With respect to his knowledge, I have created this second post about this vice to explain my vision of it further, hoping Damien will return and give me the yah or nay for it. I would hate to cut up that beautiful piece of maple sitting here, only to find out it wont work.
The following render is a cut-achoice view of how I would like to deal with the screws...
The render shows both the screws trapped to the front upright. The main screw is trapped as it passes through the face, done so using a collar and recess so the screw is still allowed to turn freely. The second, lower screw is also trapped to the front upright in the same manner. This one, though, is trapped where it butts up against it, rather than passing through it. Both screws use female thread blocks attached to the rear upright, both centre pinned on each side to allow them to rotate vertically.
While Damien was concerned with the two uprights not remaining parallel to each other, that is exactly what I am looking for and the sole reason this vice caught my eye. I do not know if Arthurs version has a non-parallel capability, but hopefully mine will. As I want to do self-standing carvings and make odd-shaped boxes, I think having this feature on my vice would be ideal.
Note that the render shows a hole above the lower screw and below the upper. These are labeled "Pivot Capture" and are there to accept a wood pin that would pass through to them from the edge of the rear upright. Being able to fix the pivots vertically will overcome having to deal with a "sloppy" front upright when the unparalleled feature isnt necessary. I would assume that I would probably work the vice with the upper pin installed and the lower removed most of the time, as this would limit having to adjust both screws every time I use it.
I may be still all wet, but hopefully, Im only just damp.
Peace,
Mitchell
Note that the render shows a hole above the lower screw and below the upper. These are labeled "Pivot Capture" and are there to accept a wood pin that would pass through to them from the edge of the rear upright. Being able to fix the pivots vertically will overcome having to deal with a "sloppy" front upright when the unparalleled feature isnt necessary. I would assume that I would probably work the vice with the upper pin installed and the lower removed most of the time, as this would limit having to adjust both screws every time I use it.
I may be still all wet, but hopefully, Im only just damp.
Peace,
Mitchell
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