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Re: opertunity to have uWaveEngineer1968 test his gear hobber - 8640B for $1
Casting is definitely the way I would go if I couldn't spec that universal drive gear set. I have made some pretty decent low speed gears using JB Weld and a silicone mold. And there are
By Chuck Harris · #8946 ·
Re: opertunity to have uWaveEngineer1968 test his gear hobber - 8640B for $1
the hobbs are new (mostly) there is a 48DP in the lot, another question is the pressure angle needed, most of the hobbs are 20deg Chuck Harris <cfharris@...> wrote: lothar baier
By lothar baier <microwaveengineer1968@...> · #8945 ·
Re: opertunity to have uWaveEngineer1968 test his gear hobber - 8640B for $1
thank you bob , you are speaking my mind excactly ! I only expect a financial compensation if i have to spend significant money, in this case i have the hobber i bought anyway plus the hobbs, i can
By lothar baier <microwaveengineer1968@...> · #8944 ·
Re: opertunity to have uWaveEngineer1968 test his gear hobber - 8640B for $1
By Bob Groschen · #8943 ·
Re: 8642B
The only trace I can find of that one is at Manuals Plus ($155 for a paper copy). I have a .PDF of 08642-90224 with about half of the schematics from 08642-90226, if it'd help. This is a 20 MB file.
By John Miles <jmiles@...> · #8942 ·
8642B
I am looking for the On Site Service Manual for an 8642B. The part number listed for the manual is 08642-90020. Thanks
By theardvark2003 · #8941 ·
Re: opertunity to have uWaveEngineer1968 test his gear hobber - 8640B for $1
This probably wouldn't work due to shrinkage, but if there isn't much load on the gears, couldn't you cast a replacement with a very short fiber filled epoxy? Assuming you had a set of good gears to
By d.seiter@... · #8940 ·
Re: opertunity to have uWaveEngineer1968 test his gear hobber - 8640B for $1
Sometimes it's not a matter of people being too cheap to offer to pay a reasonable amount for things, or to contribute items for reverse-engineering, but concern about the people who originally
By John Miles <jmiles@...> · #8939 ·
Re: opertunity to have uWaveEngineer1968 test his gear hobber - 8640B for $1
lothar baier wrote: That was a very lucky purchase. The hobs alone, if they are sharp and any good, are worth easily 10 to 50 times what you paid for your machine. Now, do you have any 48 dp hobs in
By Chuck Harris · #8938 ·
Re: opertunity to have uWaveEngineer1968 test his gear hobber - 8640B for $1
hp used molded to spec gears this was done i believe because of the high cost of machined metal gears they used cheap nylon and probablky assumed that they would be
By arthurok · #8937 ·
Re: opertunity to have uWaveEngineer1968 test his gear hobber - 8640B for $1
the gear shown on this page would be quite expensive, reason beein that this gear has two parts, the straight part is easy and can be hobbed, the other part that is slanted is not as easy, it cant be
By lothar baier <microwaveengineer1968@...> · #8936 ·
Re: 8566B YTM
i dont know of anyone right of the batt but if you want to i can take a look, i have a good lab and bonding capabilities, if i can get the mixer to work you pay me for the diodes and an hour of labor
By lothar baier <microwaveengineer1968@...> · #8935 ·
Re: opertunity to have uWaveEngineer1968 test his gear hobber - 8640B for $1
i agree on the fact that hobbs are expensive but i have about 120 hobs that came with the machine, Any lathe has threading capabilities and you need a lathe anyways to make the disks you cut your
By lothar baier <microwaveengineer1968@...> · #8934 ·
Re: opertunity to have uWaveEngineer1968 test his gear hobber - 8640B for $1
I'm sorry this has gone this way, I just offered to buy the junker and if someone lived in Reno could pick it up strip it keep the rest of it if they wanted to, and send someone like Chuck or a
By pdxoregonpete <pdxoregonpete@...> · #8933 ·
Re: opertunity to have uWaveEngineer1968 test his gear hobber - 8640B for $1
lothar baier wrote: I wouldn't argue against that, I have tens of thousands of dollars in my machine shop. But I still won't waste my time hobbing a gear that I can buy for $2. I would rather spend
By Chuck Harris · #8932 ·
8566B YTM
Is anyone refurbishing the YTM's from 8566b's these days? Looks like mine is smoked, about -27 dB amplitude error above 2 GHz. regards Tom
By Tom Dawson · #8931 ·
Re: opertunity to have uWaveEngineer1968 test his gear hobber - 8640B for $1
Bob Groschen wrote: ... Cheaper, it is not. Hobbing machines require hobbs to work. Hobbs are very expensive to buy, and difficult to make. At a minimum, you need a lathe with threading capability,
By Chuck Harris · #8930 ·
Re: opertunity to have uWaveEngineer1968 test his gear hobber - 8640B for $1
Some things or actually a lot of things we do for a hobby have nothing to do with logic, sometimes you just do things for fun, i have about $350 in the hobber including all acessories, i bought it not
By lothar baier <microwaveengineer1968@...> · #8929 ·
Re: opertunity to have uWaveEngineer1968 test his gear hobber - 8640B for $1
By Bob Groschen · #8928 ·
Re: opertunity to have uWaveEngineer1968 test his gear hobber - 8640B for $1
All of the gears are available off the shelf. Why would you want to hobb them? If you recall, 5 or 6 months ago, I offered to spec all of the 8640B gears, put the detailed drawings and part numbers
By Chuck Harris · #8927 ·