More on Project Thickness Sander: So I finished gluing up the plywood
discs to the 1 inch steel shaft. Bearings arrived today. OD of the
shaft turns out to be 1.003. ID of the bearings a smidge under 1.
Needless to say Part A doesn't go into Part B.
I don't want to start over, so is there anyway I can reduce about 10
linear inches of shaft by about .004? Could a machine shop do this with
the discs attached? If so, what's a fair price for that kind of service?
Thanks
Larry
I had a 3" diameter (X 2') shaft reduced by a machinist friend. He
chucked it up and sanded it to size, then polished it with finer
sandpaper. Didn't take much time, 5-10 minutes. Being a friend, he
didn't charge me, but I would think any charge would be nominal.
If you have a local tech school nearby, a student might do it for a
gratuity fee. This would be a task a student is capable of.
Sonny
Update:
Futzed around with my grinder then took a whack at it with my little Ryobi =
sander. Made progress with both, but figured I'd be at it for hours. Machi=
ne shop couldn't help as I have already affixed the discs for the drum. I =
have a buddy who does a lot of small engine work and dropped it off at his =
house along with the bearings. An hour later, he's back at my house with t=
he bearings installed.
All's well that ends well. Just need to wire the motor and hook things up =
to true the drum and I'm good to go.
Thanks for the good suggestions.
Larry
Gramp's shop wrote:
>
> I don't want to start over, so is there anyway I can reduce about 10
> linear inches of shaft by about .004? Could a machine shop do this
> with
> the discs attached? If so, what's a fair price for that kind of
> service?
--------------------------------------
It's a job for a reamer and a lathe.
Depends what you have available for barter.
Probably cost me a 12 pack.
Lew
On 6/28/2012 6:56 PM, Gramp's shop wrote:
> More on Project Thickness Sander: So I finished gluing up the plywood
> discs to the 1 inch steel shaft. Bearings arrived today. OD of the shaft
> turns out to be 1.003. ID of the bearings a smidge under 1. Needless to
> say Part A doesn't go into Part B.
>
> I don't want to start over, so is there anyway I can reduce about 10
> linear inches of shaft by about .004? Could a machine shop do this with
> the discs attached? If so, what's a fair price for that kind of service?
>
> Thanks
>
> Larry
Can you put the shaft in a DP chuck and use a file on the spinning shaft?
On Friday, June 29, 2012 3:07:51 PM UTC-4, Gramp's shop wrote:
> Update:
> An hour later, he's back at my house with the bearings installed.
>
> All's well that ends well. Just need to wire the motor and hook things up to true the drum and I'm good to go.
>
> Thanks for the good suggestions.
>
> Larry
Don't forget to drop back by RCM and let us know how well the sander works. Lloyd and I have a slight disagreement with the possible need for precision ground shafting to prevent vibration.
Glad you got your problem solved.
Dan
Gramp's shop <[email protected]> wrote in news:[email protected]:
> More on Project Thickness Sander: So I finished gluing up the plywood
> discs to the 1 inch steel shaft. Bearings arrived today. OD of the
> shaft turns out to be 1.003. ID of the bearings a smidge under 1.
> Needless to say Part A doesn't go into Part B.
>
> I don't want to start over, so is there anyway I can reduce about 10
> linear inches of shaft by about .004? Could a machine shop do this with
> the discs attached? If so, what's a fair price for that kind of service?
rec.crafts.metalworking might be a better place to ask.
"Gramp's shop" wrote in message news:[email protected]...
More on Project Thickness Sander: So I finished gluing up the plywood
discs to the 1 inch steel shaft. Bearings arrived today. OD of the
shaft turns out to be 1.003. ID of the bearings a smidge under 1.
Needless to say Part A doesn't go into Part B.
I don't want to start over, so is there anyway I can reduce about 10
linear inches of shaft by about .004? Could a machine shop do this with
the discs attached?
=================================================================
It would be no problem for a real machine shop. Good luck finding one of
those.
"Doug Miller" <[email protected]> wrote in message
news:[email protected]...
> Gramp's shop <[email protected]> wrote in
> news:[email protected]:
>
>> More on Project Thickness Sander: So I finished gluing up the plywood
>> discs to the 1 inch steel shaft. Bearings arrived today. OD of the
>> shaft turns out to be 1.003. ID of the bearings a smidge under 1.
>> Needless to say Part A doesn't go into Part B.
>>
>> I don't want to start over, so is there anyway I can reduce about 10
>> linear inches of shaft by about .004? Could a machine shop do this with
>> the discs attached? If so, what's a fair price for that kind of service?
>
> rec.crafts.metalworking might be a better place to ask.
Come on over to the metalworking group. Ignore the politics, and plonk the
usual suspects. Under them all, there is still a wealth of information, and
you will probably find help for your problem.
Some fits actually used heat on one part, and dry ice on the other, but I am
not sure if that would work with those tolerances, and you might destroy the
part. For sure, it would be a bugger to get off if it did go on.
Steve
Yes a machine shop could reduce it no problem.
Depends on where you live. Here in NJ quite a bit. Out in the midwest in
rural areas much less.
On 6/28/2012 7:56 PM, Gramp's shop wrote:
>
> I don't want to start over, so is there anyway I can reduce about 10
> linear inches of shaft by about .004? Could a machine shop do this with
> the discs attached? If so, what's a fair price for that kind of service?
>
> Thanks