Re: [Emc-users] EMC2 on laptops
2009/11/18 Bryan Mumford n...@bmumford.com: Firstly, 4000nS sounds very good. I would wait for more opinions before trusting to mine though. There is an optional docking base for it with a hardware parallel port. As in this unit: Another (cheaper) alternative might be something like http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItemitem=310094829919 -- atp -- Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day trial. Simplify your report design, integration and deployment - and focus on what you do best, core application coding. Discover what's new with Crystal Reports now. http://p.sf.net/sfu/bobj-july ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] EMC2 on laptops
On Wednesday 18 November 2009, Andy Pugh wrote: 2009/11/18 Bryan Mumford n...@bmumford.com: Firstly, 4000nS sounds very good. I would wait for more opinions before trusting to mine though. There is an optional docking base for it with a hardware parallel port. As in this unit: Another (cheaper) alternative might be something like http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItemitem=310094829919 Another thing I would be very careful about is the access mechanism these devices require in order to actually access the hardware of the port. I have heard, but not experienced, horror stories about access times of many milliseconds because the hardware is not direct access, but off on a slow, asynch bus protocol they use to talk to these docking stations. Like old USB. -- Cheers, Gene There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order. -Ed Howdershelt (Author) The NRA is offering FREE Associate memberships to anyone who wants them. https://www.nrahq.org/nrabonus/accept-membership.asp Cats are intended to teach us that not everything in nature has a function. -- Garrison Keillor -- Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day trial. Simplify your report design, integration and deployment - and focus on what you do best, core application coding. Discover what's new with Crystal Reports now. http://p.sf.net/sfu/bobj-july ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] Mister for small mill
Gentle persons: I know I'm a big worry wort but two things really bother me about misting. The first thing goes back to my days as a lab safety officer. Our lungs aren't really designed to deal with atomized organic oils. A Material Safety Data Sheet may say the oil has low toxicity but that probably isn't relevant to this issue. I don't want to breathe it. The finer the mist the bigger the problem because the deeper it can get (can you spell chemical pneumonia?). The second thing goes back to my days as a teenager when we thought explosions were pure fun. A fine mist of oil, even one with a high flash point, is a basic ingredient to an awesome flame (Case in point: anyone see the recent Myth Busters episode dealing with kitchen stove fires?) In my case, the only place in our townhouse my wife will let me put the tabletop mill I don't have yet is in our basement utility room, sharing space with a gas-fired water heater and a gas-fired furnace. Hmmm, not one but two sources of ignition. Like I say, I'm a big worry wort, but accidents are what happens just when you think everything is going fine. My first real summer job, as an engineering aide on a major construction project was 75-percent construction inspection and 25-percent recording accidents. What an eye-opener. Live long and prosper. Regards, Kent -- Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day trial. Simplify your report design, integration and deployment - and focus on what you do best, core application coding. Discover what's new with Crystal Reports now. http://p.sf.net/sfu/bobj-july ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] EMC2 on laptops
2009/11/18 Gene Heskett gene.hesk...@gmail.com: Another thing I would be very careful about is the access mechanism these devices require in order to actually access the hardware of the port. The docks seem to use a hard-wired connection, I think they are really just a set of ports that connect to the many-way connector on the laptop base. The PCMCIA solution should be fine, Cardbus is a bus-mastering connection direct to the PCI bus. -- atp -- Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day trial. Simplify your report design, integration and deployment - and focus on what you do best, core application coding. Discover what's new with Crystal Reports now. http://p.sf.net/sfu/bobj-july ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] Mister for small mill
If you really dont want mist in the air there was an article in an old magazine, I think HOME SHOP MACHINIST about building a solenoid operated pump with a nozzle held by a mag base and pointed at the work. It used a 555 timer IC to generate a tiny pump stroke every few seconds. This directed just a drop of coolant right on the tool edge, and with a simple knob you adjust the rate to get just enough coolant. This one has been 'on my list' for a while, I think its the best approach for a home shop. Someday Ill actually get around to it. ron ginger -- Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day trial. Simplify your report design, integration and deployment - and focus on what you do best, core application coding. Discover what's new with Crystal Reports now. http://p.sf.net/sfu/bobj-july ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
[Emc-users] question - touchy abort
is this a feed hold button? -- Few will listen, Of the few who listen, fewer still will understand, Understanding does not mean believe, Of the handful who believe, most may not know what to do, Those who even know, how many will actually do ? And the rare ones who have done it... Need not listen anymore. you can lead a person to knowledge but you cannot make him think -- Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day trial. Simplify your report design, integration and deployment - and focus on what you do best, core application coding. Discover what's new with Crystal Reports now. http://p.sf.net/sfu/bobj-july ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] Mister for small mill
If you are machining some of the softer grades of aluminum you need a pretty much constant flow of coolant. You don't need much but if it runs dry it can clog the cutter very quickly. Also if you are using carbide a sudden squirt of coolant could cause the cutting edges to crack. Les Ron Ginger wrote: If you really dont want mist in the air there was an article in an old magazine, I think HOME SHOP MACHINIST about building a solenoid operated pump with a nozzle held by a mag base and pointed at the work. It used a 555 timer IC to generate a tiny pump stroke every few seconds. This directed just a drop of coolant right on the tool edge, and with a simple knob you adjust the rate to get just enough coolant. This one has been 'on my list' for a while, I think its the best approach for a home shop. Someday Ill actually get around to it. ron ginger -- Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day trial. Simplify your report design, integration and deployment - and focus on what you do best, core application coding. Discover what's new with Crystal Reports now. http://p.sf.net/sfu/bobj-july ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
[Emc-users] Prefered motherboard for Ubuntu 8.04
Hello, I am buying a new computer to run EMC ubuntu Hardy Heron. Which is the prefered motherboard and graphic card for Ubuntu 8.04 operating system? I want to avoid problems with missing drivers or problems with stability during operation. This PC is intended for my CNC Gantry router and I want to avoid any crashes because of software incompatibility with hardware. Is better to chose older motherboard or newer? Please advise. Best regards Simon Mali -- Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day trial. Simplify your report design, integration and deployment - and focus on what you do best, core application coding. Discover what's new with Crystal Reports now. http://p.sf.net/sfu/bobj-july ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
[Emc-users] Mesa 5i20 vs 22 vs 23 ?
Hi all, I have a mill which runs a mesa 5i20 card and I am now starting a lathe build/retrofit (more on that later!). Compared to a few years ago there are now three or four variants of these cards available: 5i20, 5i22-1, 5i22-1.5 and 5i23. Also, I know there has been some good work on the modular hm2 fpga-code and emc2-driver for these cards. - How stable is the hm2 fpga-code + driver right now? anyone using it routinely for 'production' ? - Any benefits of the 5i23 (400kgate fpga) over the 5i20 (200k fpga) ? - The 5i22 cards are more expensive, have a bit more I/O, but isn't the large fpga overkill for a setup where emc2 runs the pid-loops on the cpu anyway? For the lathe I will have servos on the Z- and X-axes, not sure about DC-brush vs. brushless yet, but Jon Elsons PWM amps work very well on the mill so I am leaning towards them. Then the spindle will hopefully be driven by a big 1.75kW brushless servo. The lathe project also calls for a revolver-type toolchanger which needs one I/O bit for a pneumatic cylinder, and one servo/stepper axis to rotate the revolver. In addition I will need the usual jog-pendant I/O: MPG (thinking about two, separate for X and Z), a few selection-switches, and some buttons. Live tooling is a dream for the future :) Looking at the schematic for the mill[1], I think the lathe setup will be pretty similar and I should be OK with 72 I/O pins. regards, Anders W [1] http://www.anderswallin.net/wp-content/uploads/2008/09/dc_servo_schematic_2008jan19.pdf -- Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day trial. Simplify your report design, integration and deployment - and focus on what you do best, core application coding. Discover what's new with Crystal Reports now. http://p.sf.net/sfu/bobj-july ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] Mesa 5i20 vs 22 vs 23 ?
On Wed, 18 Nov 2009, Anders Wallin wrote: Date: Wed, 18 Nov 2009 19:48:17 +0200 From: Anders Wallin anders.e.e.wal...@gmail.com Reply-To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net Subject: [Emc-users] Mesa 5i20 vs 22 vs 23 ? Hi all, I have a mill which runs a mesa 5i20 card and I am now starting a lathe build/retrofit (more on that later!). Compared to a few years ago there are now three or four variants of these cards available: 5i20, 5i22-1, 5i22-1.5 and 5i23. Also, I know there has been some good work on the modular hm2 fpga-code and emc2-driver for these cards. - How stable is the hm2 fpga-code + driver right now? anyone using it routinely for 'production' ? There seem to be at least several people using it in production. There are undoubtedly some remaining firmware and driver bugs, but the basics look to be pretty solid. (Thanks Sebastian!) - Any benefits of the 5i23 (400kgate fpga) over the 5i20 (200k fpga) ? - The 5i22 cards are more expensive, have a bit more I/O, but isn't the large fpga overkill for a setup where emc2 runs the pid-loops on the cpu anyway? The main advantage of the 5I22 and 5I23 is future growth potential. Here are some advantages of the 5I22 and 5I23: 1. The PCI bridge chips used on the 5I23 and 5I22 support DMA. The HostMot2 driver was designed at the outset to eventually support DMA to lower the overhead of card access. 2. The larger FPGAs will support fancier configurations, for example the resolver configuration I'm working on will not fit in the 5I20s Spartan2 chip (Mainly because theres no hardware multiplier in Spartan2) 3. Higher speed, the Spartan3 chips used on the 5I22 and 5I23 are about 50% faster than Spartan2 used on the 5I20. This is especially noticeble when processors are embedded in the FPGA. On the other hand, the 5I20 is probably overkill for controlling a lathe, if 72 pins are sufficient. (GPIO will eventually be expandable via SPI anyway) the HostMot2 firmware supports up to 12 axis of servo interface on the 5I20, so a 3/4 axis lathe is not taxing its capabilities. For the lathe I will have servos on the Z- and X-axes, not sure about DC-brush vs. brushless yet, but Jon Elsons PWM amps work very well on the mill so I am leaning towards them. Then the spindle will hopefully be driven by a big 1.75kW brushless servo. The lathe project also calls for a revolver-type toolchanger which needs one I/O bit for a pneumatic cylinder, and one servo/stepper axis to rotate the revolver. In addition I will need the usual jog-pendant I/O: MPG (thinking about two, separate for X and Z), a few selection-switches, and some buttons. Live tooling is a dream for the future :) Looking at the schematic for the mill[1], I think the lathe setup will be pretty similar and I should be OK with 72 I/O pins. regards, Anders W [1] http://www.anderswallin.net/wp-content/uploads/2008/09/dc_servo_schematic_2008jan19.pdf -- Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day trial. Simplify your report design, integration and deployment - and focus on what you do best, core application coding. Discover what's new with Crystal Reports now. http://p.sf.net/sfu/bobj-july ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users Peter Wallace Mesa Electronics (\__/) (='.'=) This is Bunny. Copy and paste bunny into your ()_() signature to help him gain world domination. -- Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day trial. Simplify your report design, integration and deployment - and focus on what you do best, core application coding. Discover what's new with Crystal Reports now. http://p.sf.net/sfu/bobj-july ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] Mesa 5i20 vs 22 vs 23 ?
Hmmm! Resolver for position or AC servo control or both? Dave On Wed, 2009-11-18 at 11:39 -0800, Peter C. Wallace wrote: On Wed, 18 Nov 2009, Anders Wallin wrote: Date: Wed, 18 Nov 2009 19:48:17 +0200 From: Anders Wallin anders.e.e.wal...@gmail.com Reply-To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net Subject: [Emc-users] Mesa 5i20 vs 22 vs 23 ? Hi all, I have a mill which runs a mesa 5i20 card and I am now starting a lathe build/retrofit (more on that later!). Compared to a few years ago there are now three or four variants of these cards available: 5i20, 5i22-1, 5i22-1.5 and 5i23. Also, I know there has been some good work on the modular hm2 fpga-code and emc2-driver for these cards. - How stable is the hm2 fpga-code + driver right now? anyone using it routinely for 'production' ? There seem to be at least several people using it in production. There are undoubtedly some remaining firmware and driver bugs, but the basics look to be pretty solid. (Thanks Sebastian!) - Any benefits of the 5i23 (400kgate fpga) over the 5i20 (200k fpga) ? - The 5i22 cards are more expensive, have a bit more I/O, but isn't the large fpga overkill for a setup where emc2 runs the pid-loops on the cpu anyway? The main advantage of the 5I22 and 5I23 is future growth potential. Here are some advantages of the 5I22 and 5I23: 1. The PCI bridge chips used on the 5I23 and 5I22 support DMA. The HostMot2 driver was designed at the outset to eventually support DMA to lower the overhead of card access. 2. The larger FPGAs will support fancier configurations, for example the resolver configuration I'm working on will not fit in the 5I20s Spartan2 chip (Mainly because theres no hardware multiplier in Spartan2) 3. Higher speed, the Spartan3 chips used on the 5I22 and 5I23 are about 50% faster than Spartan2 used on the 5I20. This is especially noticeble when processors are embedded in the FPGA. On the other hand, the 5I20 is probably overkill for controlling a lathe, if 72 pins are sufficient. (GPIO will eventually be expandable via SPI anyway) the HostMot2 firmware supports up to 12 axis of servo interface on the 5I20, so a 3/4 axis lathe is not taxing its capabilities. For the lathe I will have servos on the Z- and X-axes, not sure about DC-brush vs. brushless yet, but Jon Elsons PWM amps work very well on the mill so I am leaning towards them. Then the spindle will hopefully be driven by a big 1.75kW brushless servo. The lathe project also calls for a revolver-type toolchanger which needs one I/O bit for a pneumatic cylinder, and one servo/stepper axis to rotate the revolver. In addition I will need the usual jog-pendant I/O: MPG (thinking about two, separate for X and Z), a few selection-switches, and some buttons. Live tooling is a dream for the future :) Looking at the schematic for the mill[1], I think the lathe setup will be pretty similar and I should be OK with 72 I/O pins. regards, Anders W [1] http://www.anderswallin.net/wp-content/uploads/2008/09/dc_servo_schematic_2008jan19.pdf -- Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day trial. Simplify your report design, integration and deployment - and focus on what you do best, core application coding. Discover what's new with Crystal Reports now. http://p.sf.net/sfu/bobj-july ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users Peter Wallace Mesa Electronics (\__/) (='.'=) This is Bunny. Copy and paste bunny into your ()_() signature to help him gain world domination. -- Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day trial. Simplify your report design, integration and deployment - and focus on what you do best, core application coding. Discover what's new with Crystal Reports now. http://p.sf.net/sfu/bobj-july ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users -- Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day trial. Simplify your report design, integration and deployment - and focus on what you do best, core application coding. Discover what's new with Crystal Reports now. http://p.sf.net/sfu/bobj-july ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] Mesa 5i20 vs 22 vs 23 ?
- How stable is the hm2 fpga-code + driver right now? anyone using it routinely for 'production' ? I can't comment on 'production' stability as I am only a hobbiest, but my lathe conversion with a 5i20 and hm2 (my first foray into emc) went painlessly (ie none of the problems were emc/5i20 related). I used the lathe last week for the whole day and I had no problems. For the lathe I will have servos on the Z- and X-axes, not sure about DC-brush vs. brushless yet, but Jon Elsons PWM amps work very well on the mill so I am leaning towards them. Then the spindle will hopefully be driven by a big 1.75kW brushless servo. I picked up second hand AC servos and drivers on ebay. I use a 1.5kW AC servo on the spindle (geared 3:1 so max rpm is down to 1500). I use the encoder and index directly on the spindle to synchronise threading. My plan is to use the servo on the spindle as an A axis, and add a Z (Y?) axis with another spindle to be able to machine rotary table style - this is more of a dream. The lathe project also calls for a revolver-type toolchanger which needs one I/O bit for a pneumatic cylinder, and one servo/stepper axis to rotate the revolver. In addition I will need the usual jog-pendant I/O: MPG (thinking about two, separate for X and Z), a few selection-switches, and some buttons. Live tooling is a dream for the future :) Looking at the schematic for the mill[1], I think the lathe setup will be pretty similar and I should be OK with 72 I/O pins. I've only used 2 I/O pins so far - home X and touch probe. I have a USB pendant. I can't see myself ever using all the I/Os. -- Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day trial. Simplify your report design, integration and deployment - and focus on what you do best, core application coding. Discover what's new with Crystal Reports now. http://p.sf.net/sfu/bobj-july ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] EMC2 on laptops
On Nov 18, 2009, at 9:17 AM, Andy Pugh wrote: 2009/11/18 Gene Heskett gene.hesk...@gmail.com: Another thing I would be very careful about is the access mechanism these devices require in order to actually access the hardware of the port. The docks seem to use a hard-wired connection, I think they are really just a set of ports that connect to the many-way connector on the laptop base. The PCMCIA solution should be fine, Cardbus is a bus-mastering connection direct to the PCI bus. Not to mention if the port ever gets more than 5v - its toast. No way to add another I presume... Best, Jeshua Lacock Founder/Programmer 3DTOPO Incorporated http://3DTOPO.com Phone: 208.462.4171 -- Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day trial. Simplify your report design, integration and deployment - and focus on what you do best, core application coding. Discover what's new with Crystal Reports now. http://p.sf.net/sfu/bobj-july ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] EMC2 on laptops
Another thing I would be very careful about is the access mechanism these devices require in order to actually access the hardware of the port. The docks seem to use a hard-wired connection, I think they are really just a set of ports that connect to the many-way connector on the laptop base. The PCMCIA solution should be fine, Cardbus is a bus-mastering connection direct to the PCI bus. What about miniPCI? I've only just noticed that a lot of laptops and embedded boards (eg nano-itx) have these, and you can buy miniPCI parallel ports. -- Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day trial. Simplify your report design, integration and deployment - and focus on what you do best, core application coding. Discover what's new with Crystal Reports now. http://p.sf.net/sfu/bobj-july ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] Mesa 5i20 vs 22 vs 23 ?
dave wrote: Hmmm! Resolver for position or AC servo control or both? Note that I have a resolver to quadrature converter board, for those cases where you can't, or don't want to, replace the resolvers on a machine, or insude a motor. It seems they only work with traditional variable-transformer resolvers, not the variable-reluctance type that need more drive current. See my web page at http://pico-systems.com/oscrc4/catalog/product_info.php?cPath=4products_id=20 Jon -- Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day trial. Simplify your report design, integration and deployment - and focus on what you do best, core application coding. Discover what's new with Crystal Reports now. http://p.sf.net/sfu/bobj-july ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
[Emc-users] Configuring and External Run button
Hopefully an easy question I'd like to configure an external Run button, that has the same functionality as the AxisUI run button in the bar, however I seem to be having some trouble getting this to work... I have the axisui and the halui loaded, and tried setting the following items manually, as well as messing with various other halui.*.* pins, but haven't had much luck so far: setp halui.mode.manual false setp halui.mode.auto true setp halui.program.run true I'm guessing I'm missing something that needs to be set but haven't had much luck figuring out exactly what it is... thoughts? thanks, -dave -- Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day trial. Simplify your report design, integration and deployment - and focus on what you do best, core application coding. Discover what's new with Crystal Reports now. http://p.sf.net/sfu/bobj-july ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] Mesa 5i20 vs 22 vs 23 ?
I have a lathe I converted to cnc and I am curious, what is the probe being used for? Are there any pictures anywhere? -Original Message- From: Frank Tkalcevic [mailto:fr...@franksworkshop.com.au] Sent: Wednesday, November 18, 2009 4:24 PM To: 'Enhanced Machine Controller (EMC)' Subject: Re: [Emc-users] Mesa 5i20 vs 22 vs 23 ? - How stable is the hm2 fpga-code + driver right now? anyone using it routinely for 'production' ? I can't comment on 'production' stability as I am only a hobbiest, but my lathe conversion with a 5i20 and hm2 (my first foray into emc) went painlessly (ie none of the problems were emc/5i20 related). I used the lathe last week for the whole day and I had no problems. For the lathe I will have servos on the Z- and X-axes, not sure about DC-brush vs. brushless yet, but Jon Elsons PWM amps work very well on the mill so I am leaning towards them. Then the spindle will hopefully be driven by a big 1.75kW brushless servo. I picked up second hand AC servos and drivers on ebay. I use a 1.5kW AC servo on the spindle (geared 3:1 so max rpm is down to 1500). I use the encoder and index directly on the spindle to synchronise threading. My plan is to use the servo on the spindle as an A axis, and add a Z (Y?) axis with another spindle to be able to machine rotary table style - this is more of a dream. The lathe project also calls for a revolver-type toolchanger which needs one I/O bit for a pneumatic cylinder, and one servo/stepper axis to rotate the revolver. In addition I will need the usual jog-pendant I/O: MPG (thinking about two, separate for X and Z), a few selection-switches, and some buttons. Live tooling is a dream for the future :) Looking at the schematic for the mill[1], I think the lathe setup will be pretty similar and I should be OK with 72 I/O pins. I've only used 2 I/O pins so far - home X and touch probe. I have a USB pendant. I can't see myself ever using all the I/Os. -- Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day trial. Simplify your report design, integration and deployment - and focus on what you do best, core application coding. Discover what's new with Crystal Reports now. http://p.sf.net/sfu/bobj-july ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users -- Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day trial. Simplify your report design, integration and deployment - and focus on what you do best, core application coding. Discover what's new with Crystal Reports now. http://p.sf.net/sfu/bobj-july ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] Mister for small mill
On Wednesday 18 November 2009, Ron Ginger wrote: If you really dont want mist in the air there was an article in an old magazine, I think HOME SHOP MACHINIST about building a solenoid operated pump with a nozzle held by a mag base and pointed at the work. It used a 555 timer IC to generate a tiny pump stroke every few seconds. This directed just a drop of coolant right on the tool edge, and with a simple knob you adjust the rate to get just enough coolant. This one has been 'on my list' for a while, I think its the best approach for a home shop. Someday Ill actually get around to it. ron ginger And that is another thing I've been threatening to go into production of, round 'tuit's. I can't find the one I had 40 years ago. :) The idea of swaging the tip down to about zip got me to thinking, and the thoughts ran toward insulin needles, which are $1.89 a 10 pak at Wallies Pharmacy. That was fallback plan, brought on by my not being able to find a suitable female swage form for that small a pipe. I annealed it, then clamped a well polished 3/8 drill chuck on the last 1/16, tightened it up enough to start crushing the pipe, and gave it 4 or 5 turns. 3 times, but all I succeeded in doing was wearing it off without appearing to shrink the center hole. So I am now using 3x as much air already had a great plenty of that. So then I pulled the needle out of one of the shringes, bloody difficult cuz a 31 gauge needle is only .012 for OD. Hard to get a good grip even with suture clamps. Thinking about super gluing it, then realized that super glue, being about 1000x wetter than water, would probably seal up the inner passage of the needle long before it had filled the relatively huge space between the needles OD and the pipes ID. I even tried to swage it down onto the needle with a hammer and anvil, but I can see that is just as futile. So I'm going to sleep on it unless someone has a better idea. -- Cheers, Gene There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order. -Ed Howdershelt (Author) The NRA is offering FREE Associate memberships to anyone who wants them. https://www.nrahq.org/nrabonus/accept-membership.asp If you analyse anything, you destroy it. -- Arthur Miller -- Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day trial. Simplify your report design, integration and deployment - and focus on what you do best, core application coding. Discover what's new with Crystal Reports now. http://p.sf.net/sfu/bobj-july ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] Mesa 5i20 vs 22 vs 23 ?
I have a lathe I converted to cnc and I am curious, what is the probe being used for? Are there any pictures anywhere? Actually, I meant probe input. I have a touch off plate (actually a z height setter that I also use on my mill) that I use to set the lathe tool Z. I zero Z to tool T01, and then set the tool table offsets for the rest of the tools using the touch off (documented in the wiki somewhere). I use a modified tool Z height setter (similar to enco part 636-7044, but mine has a magnetic base). I removed the battery and ran a wire through. The magnetic base allows it to be mounted to the headstock or chuck. -- Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day trial. Simplify your report design, integration and deployment - and focus on what you do best, core application coding. Discover what's new with Crystal Reports now. http://p.sf.net/sfu/bobj-july ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
