Termyn8or
Posts: 18681
Joined: 11/12/2005
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Vad, recently I went a few weeks in a CB3000 on which, instead of a lock, I melted the pin and mushroomed it out, making it "permanent". Of course it wasn't, but it was very nice not having that lock there.
I also own a DD Machinery CB, and it is cheap, but the price was right. Most interesting in this context is the lock. It is simply a screw, which is shrouded by a shield, and has a radial wrench which is fashioned to look like a key. The ridge pattern on the bolt matches the key, which allows for quite a few combinations.
With what in machining I think is called a counterbore the screw could be totally recessed. And if you've seen the tamperproof torx screws, let your imagination go from there.
Also, have you ever seem those tamperproof lug nuts ? In the big city, if you see a car with racing tires on it, or even nice mag wheels, alot of times one nut on each wheel is a tamperproof. There is a groove milled into the surface of the nut, which is a cap nut. It is somewhat oval, but has some undulations in it. It pretty much needs the whole surface area of the groove to have enough torque to remove it. These are very hard to defeat, I have tried. In the rim they are also embedded in a bore, so a big rips all wrench cannot be applied.
Not that I am a thief, but my mechanic called me as he was trying to do a brake job, as he wanted to try the one I had. None of his buddy's would fit.
You would have to give thought to just what you can do and what you can't with your machines. I am sure you can do alot, and you can take that as a compliment from one who knows enough to be dangerous, but I can't do the job right now. I know how to run a lathe or a milling machine, but my work would not look like yours. Nice work, I just ain't there yet.
Anyway, an integral locking mechanism is a very very desirable feature, from one engineer to another. Ideally it would be some sort of push and turn a ¼ turn or something like that. That way you can stabilize the amount of torque etc. required to open the "lock". This is quite preferable to depending on how tight a screw is.
There are simpler models to try out first. It could be as simple as a six sided polygram, but of course you must make the key. Of course this option will cost money. Afteer you build a few you're going to have to go to CNC machining for this, but that will at least make it easier to make a duplicate key. For you that is.
Really a small rig for parts that small isn't all that expensive, but it takes time to get to know how to run it.
It takes a cap screw, there is an almost random pattern in it, but it is circular pretty much. But it is not a screw, it is a shaft you make to engage slots in the ring portion. When locked, it is recessed into a bore that makes turning with pliers impossible. The circular pattern can only be engaged by the proper "wrench". Nothing else will be strong enough in the right way to turn it. As I mentioned before, it might be a plus to require that it be pushed in to be unlocked as well.
Unfortunately, unless you want to get into micromachining, I think this approach will result in a bigger main locking stem, of the unit as a whole. But oh well, and, is it more bulk than the padlock was ? What's more a padlock can be cut off easily.
Make that fucker out of some really hard material, make the "boltscrew" recessed so if they want to cut, well, go right ahead. Let them try to get the shroud portion from around the lock boltscrew. Then they find out it was machined to within 0.0001" and now it'll never move. Might want to put that in the instruction manual lol.
I might want you to make something for me one day, for example what would you charge for the ones you have, I didn't notice any mention of price. I think $600 was mentioned. I think that is a bit high, if it were a normal item. Right now it has prototype status and all that. But if you sat down and decided to make ten of them in a row you could drop the price, sell them all and make a tidy little sum.
Looking at the current market, we have the CB X000 which is not metal going for between 100-200 bucks. Everything that resembles your devices is made in Europe and by the time you convert to Euros or whatever, you are paying alot more.
Best of luck, and I think you will do well. Maybe later we will collaberate on insulating some of the parts electrically to hook up, like a dog shocker collar or something. Or a TENS unit, whatever. These people are nuts and would eat it up :-) I know because I am one. It is all up to you.
I have detailed ideas about this locking mechanism if you are interested. I just do not know if we have the machinery to do it.
One last thing, do you think you will ever have the desire to build a full blown florentine style belt ? Just a question. But if you do, let me know.
T
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Question about new Chastity Device - 
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