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| Minnie on the cheap! |
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| awemawson:
Norman, I have all sorts of B&S cutter sets but not 20 DP :bang: HOWEVER I do have 20 DP hob as per pictures. 3/4 bore weighs 400 grams |
| awemawson:
OK a bit more trawling through the hob drawers ! Turns out that I have two of the above hobs AND: A nice little 10 mm bore one that I used to use with my Mikron gear hobber (which is for sale at £1000 if anyone wants it - needs a clean up as been in storage for 10 years) This little one weighs in a 75 grams :thumbup: |
| eskoilola:
How is that sort of gear tool used ? Does it not need the gear rotation to be synchronized with the tool rotation ? Is it self synchronizing - so as You start it it will automagically (somehow) catch the startpoint on correct phase? I have seen many videos on people using thread cutter to make gear but nobody shows the very first round around - and nobody certainly shows how it goes all wrong. And Yes - I know a lot more about datawarehousing than machining. That is the reason I am here - it is fachinating :med: |
| awemawson:
Essentially yes: https://en.wikipedia.org/wiki/Hobbing |
| eskoilola:
--- Quote from: awemawson on October 04, 2017, 03:35:06 PM ---Essentially yes: https://en.wikipedia.org/wiki/Hobbing --- End quote --- In this case one thousand words had more information than one hour of tiresome hobbing videos. Thanks ! |
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