Build an EDM by Robert P. Langlois, , Village Press edition, in English. Build an EDM – Electrical Discharge Machining – Removing Metal by Spark Erosion Metal by Spark Erosion; Author: By Robert P. Langlois; Description. Build an EDM: Electrical Discharge Machining, Removing Metal by Spark Erosion. Front Cover Contributors, Robert P. Langlois, Joe D. Rice, Clover McKinley.

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Like David, I’ve had the electrical section working for awhile, but I haven’t gotten around to making a stepper or servo-based electrode ram. The item you’ve selected was not added to your cart.

It also has actual black and white photographs, which the Mims books don’t have.

No worries with mineral oil. Learn more about Amazon Prime. Use regular EDM oil as a dielectric fluid. I have one rated at about watts so I am good to go in that respect. I did not make the stepper motor control.

Any international shipping and import charges are paid in part to Pitney Bowes Inc. Seems I used to use them as shot-puts to throw at squirrels. East Dane Designer Men’s Fashion. I should have guessed this due to the fact that the booklet is only fifty something pages.

Delivery times may vary, especially during peak periods. I have not had a chance to dig into this yet with today being Christmas and all, but I did flip through the book and was surprised to see that Bob is running 60 volt 5 amp for the secondary AmazonGlobal Ship Orders Internationally. View shipping rates and policies Average Customer Review: Like those books, this book has hand-drawn pictures and diagrams.


It works the best. I also want to make one. But as I mentioned earlier, these designs are all nearly identical, so you can size the transformer as big as you want. Amazon Music Stream millions of songs. Several people here, including Rich Carlstadt, have built Ben’s design according to the book, and it works great, albeit slow: I use a programmable controller to monitor the spark voltage and it runs the gearmotor forward, stop, reverse. May be wrong on this but I’m sure i have seen references on t’internet about the design using some voltages generated direct from v mains and not from an isolated supply.

Build an EDM by Robert P. Langlois – Electrical Discharge Machining | eBay

Mine, Lazlo was a terrible dissapointment on the cnc bridgeport. I built an EDM from the Langois book. English Choose a language for shopping.

It should stutter along nicely all by itself. He has very kindly and at great effort brought several of his machines to our meetings on completion and demonstrated them running.

JPG THe capacitors were just ordinary electrolytics that satisfied the capacitance and working voltage requirements specified in Langois’ book. It’s far simpler than that. Definitely a book for anybody who is interested in removing metal by spark.

The current that charges the main capacitor will keep the solenoid energised until the capacitor is mostly charged. I used to use them in the past, and I know for a fact that they no longer exist. English Choose a language for shopping. NOW adding it to a mineral oil would slow the flash point of it while allowing it to be used as a edm fluid. I now use carbon rod, and it works 3 times faster than brass tube Tube requires lower watts If i did it again I think it would take 15 minutes or less http: Special financing available Select PayPal Credit at checkout to have the option to pay over time.


Also is it a reasonable size to start with Bob uses 60V in the book I don’t want tap burning to be like watching grass grow. Get to Know Us. Learn More – opens in a new window or tab. Shipping cost cannot be calculated.

Machine Shop and Home Workshop. I think it is in a bucket somewhere now.

Build an EDM

It reminds me of the Forrest M. See other items More Seller assumes all responsibility for this listing. Amazon Restaurants Food delivery from local restaurants. One person found this helpful.

Buy the selected items together This item: I can also retract the electrode at the end of the run and stop it at the top the the stroke. From what I’ve read, high current just makes a crummy cut. Share your thoughts with other customers.