| Gallery, Projects and General > How do I?? |
| Broken Tap Removal??? |
| << < (3/8) > >> |
| mklotz:
--- Quote from: awemawson on October 19, 2013, 12:31:32 PM ---I bet it's the coarse thread series unless it's perhaps a training course :lol: --- End quote --- Yeah, and "guage" is a small town in Kentucky. --- Quote ---I'm not conversant in American thread specs. Is that 6/32 32 threads per inch on a 6 guage ? --- End quote --- The numbered screw formula is: MD = 0.060 + 0.013 * N where: MD = major diameter in inches N = screw number (0,1,2,3,4,5,6,8,10 ... 12 and 14 found in some very antique equipment). |
| lordedmond:
Thank you gents the fog has lifted somewhat anyway to the OP have you got that pesky tap out down the small hole Stuart |
| unc1esteve:
One of last year's winter projects was a small EDM (tap buster) for just this situation. http://homebuiltedmmachines.com/index.php?page=home Works well but I want to re-do the electrolyte pump. Were you closer I would give you access to the machine. |
| oldgoaly:
I have a Rocklinizer that deposits tungsten carbide to tool steel, at one time they made an attachment for a small EDM. The main unit is a power supply, the depositor is a vibrating handle, figure you change the electrode and reverse polarity? But before I try that would like to know more info! there is one on ebay way to high price! http://www.ebay.com/itm/Rocklinizer-500-Electric-Charge-Generator-with-EDM-Router-Model-9750A-/330660662115?pt=US_Heavy_Equipment&hash=item4cfce94b63 My Rocklinizer is a 600 a larger unit. A long time ago HSM or PIM did a series on a diy EDM (looks like I'm type alphabet soup!) About what year was that?? |
| Jonny:
Just break whats left of the tap in the hole, works every time. |
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