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Model Forum / Radio Controlled / Land Models / March 2005R/C Hand drill ?
Hello, I am wondering if any of you have ever seen a R/C hand drill. The idea is to use small servos that would push the trigger of a hand drill as well as make it go back and forth. Has anybody ever seen something like this on the web. Either it has never been done and reported on the web or I am using the wrong keywords on google. Thanks in advance, Jake. > Hello, > [quoted text clipped - 7 lines] > > Jake. http://www.mmsonline.com/articles/069901.html > Hello, > [quoted text clipped - 3 lines] > this on the web. Either it has never been done and reported on the web > or I am using the wrong keywords on google. IF you are limiting yourself to only hand drills, the answer is NO. By definition they were not meant to be automated. IF you are talking about a) on/off power for a drill b) push/retract for drill pressure, these two actions are what CNC (Computer-Numerical-Controlled) drills are all about, although these are usually floor-standing machine-tools. Also, assuming that you have a clamping setup to hold the drill, servo-controlled actuators could be attached to that mount that would interact mechanically with the drill to imitate your finger action. Furthermore, the mount itself would need to be on a slider of some kind to make it move forward. A company called something like Stock Drive Parts ... http://www.sdp-si.com/ has a catalog (free) of all sorts of small precision parts that would work in conjuction with the servos or actuators you would need. N.B. I strongly recommend you get their catalog before doing anything or even going thru their web site. You are likely to find everything that you want from a supplier like FESTO who specialize in automation equipment (usually pneumatic) for doing what you want. Naturally this is industrial grade versus hobby grade, but if you are trying to build something to throw into the "Robot Wars" ring, then FESTO or someone like them is where you'll find some of what you need. Some relevant reading on (servo-actuated drilling): http://www.mendonet.com/cnclinks/ http://www.electroimpact.com/research/DRILLDRIVE.asp http://www.techsavvy.com/industry/file/national/0bp4v/hmi02.html?id=131177&comp_ id=0BP4V&base_region=* http://www.manufacturingcenter.com/tooling/archives/0800/0800tp.asp Othe info http://pub157.ezboard.com/frobotbattlesfrm4.showMessageRange?topicID=9.topic&sta rt=21&stop=40 http://www.uspto.gov/go/classification/uspc251/defs251.htm http://www.communitypc.com/links.htm Have fun, Eric > Hello, > [quoted text clipped - 7 lines] > > Jake. When I made my electric screwdriver r/c i found it was alot easier to take it apart and make my own switch. I have taken apart one of these switches, they are not easy to understand actually. How can I actuate these switches with r/c servos is really the question. Jake, Umm.. it sounds like you really want a speed controller with reverse. You are mostly on your own when you get into Rube Goldberg land, http://www.rubegoldberg.com/html/gallery.htm , as it seems like that is where you are headed here ;) Over and out. > I have taken apart one of these switches, they are not easy to > understand actually. How can I actuate these switches with r/c servos > is really the question. > > Jake, >Hello, > [quoted text clipped - 3 lines] >this on the web. Either it has never been done and reported on the web >or I am using the wrong keywords on google. The below link shows one way to have a servo operate a switch, which could be easier than pushing a button with the servo. You can tie the button down and turn it on and off by placing two wires on opposite sides of a thin piece of cardboard, and placing this between the battery tip and the battery holder contact. http://www.geocities.com/zoomkat/switch.htm Thank you this is along the lines of what I was looking for. Jake. Ok we give up already! What the heck is it's use? > Thank you this is along the lines of what I was looking for. > > Jake. Have fun with the rotary switch newbie. You should be made aware that for about the same amount of money and effort and 1/100 the weight you could put together a solid state switch, here are some examples (there are lots more): http://www.uoguelph.ca/~antoon/gadgets/rc-sw.htm http://www.welwyn.demon.co.uk/rcsw/rcsw.htm and here is a real cheap one: http://www.tuug.fi/~isaarine/electronics/rc-switch/ This uses a 4001 quad NOR (<$0.40) for an oscillator and a latch. Hook up a mosfet for a few bucks and it will handle a load, and be solid state reliable. > Ok we give up already! > What the heck is it's use? > > Thank you this is along the lines of what I was looking for. > > > > Jake. I am sensitive to the Rube Goldberg parallel, this is why I really like your answer. Thanks, Jake. > Have fun with the rotary switch newbie. You should be made aware that for > about the same amount of money and effort and 1/100 the weight you could put [quoted text clipped - 13 lines] > > > > > > Jake. He has told you whats it for: Agreed for the RC flying. This is not a brainstorming technique, rather, I am trying to see why this ability to automate a relatively powerful but cheap piece of equipment has not been more used by hobbyists. I am actually thinking of several different project, at least two of them use powerful rotating motors and do not need to run for hours. The first one is indeed a battle bot of some kind. The second is a robot that would climb on walls or cliffs (the hand drill serves at the feet of the robot.) Both of these, I think require, a cheap way to do drilling. Since I am on the cheap, I see this hand drill solution as pretty ideal. Jake. > The second is a > robot that would climb on walls or cliffs (the hand drill serves at the > feet of the robot.) Both of these, I think require, a cheap way to do > drilling. I am curious how you will achieve the rock-face drilling. - drilling in rock (like concrete) takes a lot of pressure - rock drilling is best achieved (not only way) when using water/air as lubricant for cooling and chip removal from the hole to prevent clogging and overheat I am sure that you don't want to reveal what may become a trade secret (keeping a grip on the wall while drilling) but assuming that you are dealing with - 6 legs ( 2 move forward at a time into new holes) - 2 drills for punching a set of holes at the same time (to prevent advancing at a complete crawl) I recommend expanding pins on the legs themselves rather than drills. This way, they insert loose, then can be clamped(expanded) or released for holding or moving on. This would allow you to invest in better equipment and drills for the 2 drills, but it would add extra weight. If you use only drills for the hole drilling, and you leave them in the hole during a manoeuvre (move other legs), you face the danger of cooling of the rock-wall clamping on your leg drill-bit. VERY NOVEL idea to pursue ! I love it because I can imagine many applications that I don't want to mention here. Good Luck ! Eric > > The second is a > > robot that would climb on walls or cliffs (the hand drill serves at the > > feet of the robot.) Both of these, I think require, a cheap way to do > > drilling. > > I am curious how you will achieve the rock-face drilling. I'm curious if he thought about the implications of trying it out in a national park ;) I think I figured it out ! It's an underwater mining exploration rig ! He wants to drill into the chasm walls, - where veins of readily-available minerals are exposed, and - where currents are erratic. => can't use a tether for wireline control from a sub that is bouncing around in the eddy currents. Alright, I admit that it's a stretch ... but WE will never know until it shows up in Popular Science :-)) Eric >> The second is a >> robot that would climb on walls or cliffs (the hand drill serves at [quoted text clipped - 10 lines] > a trade secret (keeping a grip on the wall while drilling) > but assuming that you are dealing with See, that's what I like about Newsgroups. Just when things are getting boring, you get a great post like this one. Someone has an ever so sligtly misguided idea about using power drills as motive force for some robot thing, and another guy comes out of no where, grabs the ball and is suddenly seen sprinting off in a completely unrelated direction for the "rock face drilling" goal line. Brilliant! >>> The second is a >>> robot that would climb on walls or cliffs (the hand drill serves at [quoted text clipped - 18 lines] > seen sprinting off in a completely unrelated direction for the "rock face > drilling" goal line. Brilliant! Yeah, it's kind of like the old practice that we all used to share many, many years ago. You know the one. It happened when we all stood around on a street corner and talked to one another. I think it was called conversation. 8^> Ed Cregger >>>> The second is a >>>> robot that would climb on walls or cliffs (the hand drill serves at [quoted text clipped - 23 lines] >street corner and talked to one another. I think it was called conversation. >8^> Closer to gossip where you just make stuff up and pass it on. The gizmo is definately a motorized sex toy needed for the customers of a web dominatrix. Remember, you heard it here first! > See, that's what I like about Newsgroups. Just when things are getting > boring, you get a great post like this one. Someone has an ever so sligtly > misguided idea about using power drills as motive force for some robot > thing, and another guy comes out of no where, grabs the ball and is suddenly > seen sprinting off in a completely unrelated direction for the "rock face > drilling" goal line. Brilliant! That was the manufacturing troubleshooter in me crawling out of the cocoon hoping that the emerging creature was beautiful. Did you feel the urge to jump into the sub and go undersea mining ? Eric For what use? > Hello, > [quoted text clipped - 7 lines] > > Jake. He's a terrorist and he wants to build a remote-controlled drill to threaten airline passengers while he hijacks the plane and crashes it into the World Trade Center... For crying out loud, WHO CARES? He wants to run a drill with servos. Let him be creative. Maybe he'll invent something useful and revolutionary. > Hello, > [quoted text clipped - 3 lines] > this on the web. Either it has never been done and reported on the web > or I am using the wrong keywords on google. Haven't seen one but I'm sure one could be easily made using standard components. Not sure what the point is but it sounds like you are trying to build a mini-mill or automated pedestal drill for some industrial application.  SignatureThe Raven http://www.80scartoons.co.uk/batfinkquote.mp3 ** Now I will bring chaos to the world! You don't have to use servos. There are switches available which are activated by the receiver, i.e. plug into ch5 and switch on and off with the ch5 switch on the TX. The ones that I know of wouldn't handle the current but it might be easier to use a relay than rig up a servo. CM > Hello, > [quoted text clipped - 7 lines] > > Jake. But we still wonder about the purpose of an RC drill! > You don't have to use servos. There are switches available which are > activated by the receiver, i.e. plug into ch5 and switch on and off with [quoted text clipped - 13 lines] >> >> Jake. What frequency band would it be on? Dr1 > Hello, > [quoted text clipped - 7 lines] > > Jake. C'mon Jake. Everyones curious. Just what are you planning on doing with this R/C drill? If it is for a CNC drill application or mill type arrangement, I would recommend modifying a drill press. They're a bit more expensive than a hand drill but they already have the mechanical mounting and sliding built in. Then all you have to do (he says as if it is easy) is make a moving base for a vice. If you let us know what you are planning I'm sure you will get more ideas better suited to a solution. Matthew >> Hello, >> [quoted text clipped - 19 lines] > > Matthew Maybe it's for a battle bot? >>> Hello, >>> >>> I am wondering if any of you have ever seen a R/C hand drill. The idea >>> is to use small servos that would push the trigger of a hand drill as >>> well as make it go back and forth. > Maybe it's for a battle bot? Could be. In which case a cordless drill is perfect. Then I would have to ask, do you really need the variable speed? So many questions all answered by knowing the purpose of the drill. Matthew Maybe he's building a new kind of remotely-controlled bomb-defusing robot. It would explain why he is being cagey. If so, do look up the references I posted earlier. Eric One other comment. By refraining from "leading" our thought processes, he is deliberately using the brainstorming technique to generate ideas, possibly coming up with that most perfect of solutions from out in left field: the elegant solution ! To that I would respond: Let the creative juices flow ! HOWEVER, I think it is time to reduce the scope back down to only comp.robotics.misc rec.models.rc.misc rec.models.rc.land because this is straying far from specific RC flying. Eric > One other comment. > [quoted text clipped - 19 lines] > > Eric Agreed for the RC flying. This is not a brainstorming technique, rather, I am trying to see why this ability to automate a relatively powerful but cheap piece of equipment has not been more used by hobbyists. I am actually thinking of several different project, at least two of them use powerful rotating motors and do not need to run for hours. The first one is indeed a battle bot of some kind. The second is a robot that would climb on walls or cliffs (the hand drill serves at the feet of the robot.) Both of these, I think require, a cheap way to do drilling. Since I am on the cheap, I see this hand drill solution as pretty ideal. Jake. |
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