Help with stitchwork.

"Q" Protectors

"Q" Protectors

AzB Silver Member
Silver Member
I was wondering if someone would be willing to try and explain to me the process in making stitchwork. I make cue protectors and would love to be able to incorporate stitches in some of my product but don't understand the geometry in creating them.
Thanks for your time,
ChrisM
 
Yes that is exactly what I want. Do you have any idea how that's done? And how to figure the proper spacing to have equal squares at say .850" dia. Is there a math equation to figure spacing at a particular dia?
 
simple math

pi (3.1416) times the diameter (0.850) = the circumference of the JP

Divide by the number of slots or stitches you desire, this value is to be divided in half to equal the width of the slot needed in the billet.

In your problem:

12 slots on a 0.850 diameter JP
3.1416 X 0.850 = 2.2698 circumference of your JP
2.2698 / 12 = 0.18915 the circumference divided up into equal parts
0.18915 / 2 = 0.095 width of the inlay into each of 12 slots

Please check my arithmetic, I hurried this.
 
"Q" Protectors said:
Yes that is exactly what I want. Do you have any idea how that's done? And how to figure the proper spacing to have equal squares at say .850" dia. Is there a math equation to figure spacing at a particular dia?
Click to expand...

Some cue builders do the same number of slots at the butt as they do at the joint. I have settled down to doing 8 slots at the butt and 6 at the joint and the spacing comes out close to the same. The only problem is that you cannot line all the slots up for the length of the cue.

Measure the diameter of the cue and calculate the circumference of the cue at the position of the ring. c = pi X d And if you know the width of each slot and how many. Then you could calc the distance between them.

If you use the search function and search "billet" or "rings", there are several methods of construction explained and even some measurements.

If you can't find what you want to know, pm me and I will send you my sketches of what I do.

Remember amateurs teach amateurs to be amateurs. lol

Kim
 
"Q" Protectors said:
Yes that is exactly what I want. Do you have any idea how that's done? And how to figure the proper spacing to have equal squares at say .850" dia. Is there a math equation to figure spacing at a particular dia?
Click to expand...

You really don't have to calculate the final size of the slots. Most choose a desired number of slots that divides into 360 equally, then use an indexing fixture to rotate the billet the correct number of degrees after cutting the first slot.

Ex: If you wanted 4 slots, cut the first one then rotate the piece (360/4=90 degrees), cut the next slot and rotate another 90 degrees, repeat.

Most cue building specific lathes will have an indexing feature, or you can also buy one to mount on a milling table, or some other surface while you cut the slots with a slitting saw. Buy the saw that has a width that matches the width of the material you plan to put in the slot. Here are some other examples, some using glued veneers to fill the slots.
http://www.prathercue.com/pre_made_decor_rings/pre_made_decor_rings.html
 
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Thanks for all the help guys! I certainly appreciate it. Hopefully I can take this and give it a whirl.
ChrisM
 
I gave him what he asked for

He asked for equal slots and billet, hence the formula. Otherwise it would be easy to just pick a number of slots and divide the 360 degree circle. A number divisible into 360 is best if you are doing the task by hand with an indexer or divider, but with a CNC as many of us use, we can pick most any whole number practical and just go for it! But if you want an exact match between dashes or rectangles of inlay material and billet material, you need to do the math for every given diameter. He chose 0.850 as his diameter. I chose 12 slot as an example. There are many ways to achieve a goal.
Best wishes, Lou.
 
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