Search found 192 matches
- Fri Nov 25, 2011 7:09 pm
- Forum: General Discussion
- Topic: How Do I Create This Pocket Recess?
- Replies: 1
- Views: 1502
How Do I Create This Pocket Recess?
I am a novice and am perplexed over how to create a lever that fits over a door lock deadbolt shaft. I could probably buy one, but thought I would make it. More of a challenge than I thought. The shaft that sticks out from the lock face is rectangular when seen from its end. It is .426" wide x ...
- Fri Oct 28, 2011 6:20 pm
- Forum: Milling Machines
- Topic: Cutting Deeper in Center of Stock?
- Replies: 5
- Views: 2672
Cutting Deeper in Center of Stock?
Using my small milling machine, I noticed that when I mill a longer piece of stock (5" long piece of aluminum bar), the mill appears to take a deeper cut at the extreme ends of the stock. This happens as the table and stock move along the X axis. I thought maybe the mill was worn enough so the ...
- Sun Sep 18, 2011 8:30 pm
- Forum: General Discussion
- Topic: Baffled..On a Stupid Puzzle
- Replies: 30
- Views: 9853
Re: Baffled..On a Stupid Puzzle
I made a tight fitting spacer out of some scrap. About .625" ID (close to shaft diameter) and around .575" long. I put a bevel on the inside edge of the bore on one side and left a sharp edge on the other side. The non-beveled edge results in the spacer having a gap at the outside edge of ...
- Sat Sep 17, 2011 6:33 pm
- Forum: General Discussion
- Topic: Baffled..On a Stupid Puzzle
- Replies: 30
- Views: 9853
Re: Baffled..On a Stupid Puzzle
Well, DTI indicator readings are nothing special. I measured at 90 degree rotational intervals. These are 0, 90, 180, and 270. All radial runout readings shown are in that manner. For the sake of clarity, the reading at "0" degrees is .000" 1) Measured close to grinder housing. .0000&...
- Fri Sep 16, 2011 9:42 pm
- Forum: General Discussion
- Topic: Baffled..On a Stupid Puzzle
- Replies: 30
- Views: 9853
Re: Baffled..On a Stupid Puzzle
OK, here are the pics. The Jet grinder shaft on left side, and the two flanges. When a flange is pressed up against the shoulder, it easily rocks. Maybe due to the small shoulder, or something not right with the shoulder. - Phil
- Fri Sep 16, 2011 12:40 pm
- Forum: General Discussion
- Topic: Baffled..On a Stupid Puzzle
- Replies: 30
- Views: 9853
Re: Baffled..On a Stupid Puzzle
I'd like you to inspect the shoulder, looking for an inside corner radius. I assume it has one, although they may have provided an undercut instead. In any case, don't trust your vision, even magnified. Place the tip of a DTI against the shoulder, then rotate the shaft. It's important to determine ...
- Thu Sep 15, 2011 3:54 pm
- Forum: General Discussion
- Topic: Baffled..On a Stupid Puzzle
- Replies: 30
- Views: 9853
Re: Baffled..On a Stupid Puzzle
It may be that the cut that creates the shoulder on which the inner flange bears is not at a right angle, or it may have been a cut terminated without dwell, so there's not a square shoulder, but a helix on which the flange bears. I suggest you remove the armature from the motor, then make a setup ...
- Thu Sep 15, 2011 10:00 am
- Forum: General Discussion
- Topic: Baffled..On a Stupid Puzzle
- Replies: 30
- Views: 9853
Re: Baffled..On a Stupid Puzzle
Well, I am completely stymied. A grinding wheel on this grinder, even with machined flat flanges , looks like a potatoe chip spinning around. It wobbles, badly, just as badly as it did before I machined the flanges. I did more testing, without the grinding wheel. Axial runout on the grinder shaft fl...
- Tue Sep 13, 2011 10:52 pm
- Forum: General Discussion
- Topic: Baffled..On a Stupid Puzzle
- Replies: 30
- Views: 9853
Baffled..On a Stupid Puzzle
This is such an embarassing question and puzzle I very nearly did not even post it. If I can't solve this, I may need future help tying my shoes. I recently acquired a Jet 8" bench grinder and the stamped metal flanges were not flat, so decided to start making new ones. But, at the same time, d...
- Mon Sep 05, 2011 12:48 am
- Forum: Lathes
- Topic: Depth of Cut - Southbend 9"
- Replies: 5
- Views: 3326
Re: Depth of Cut - Southbend 9"
Aluminum machines quite nicely, especially with positive rake and a chip breaker. Pick a speed at which you are comfortable, then try taking .100" per side, per pass. Juggle feed rate if you find the machine runs without effort, or if it struggles. If it struggles, even when reducing feed rate...
- Sun Sep 04, 2011 8:53 pm
- Forum: Lathes
- Topic: Depth of Cut - Southbend 9"
- Replies: 5
- Views: 3326
Depth of Cut - Southbend 9"
I have a Southbend 9", with a square piece of 3" x 3" x about 4.5" long piece of aluminum in a 4-jaw. I need to turn this down to a 3" diameter round bar. How much can I take off per pass (would be 2X this for total diameter reduction). I am new, so not sure how far I can pu...
- Sun Sep 04, 2011 8:26 pm
- Forum: General Discussion
- Topic: Noob looking for some help
- Replies: 6
- Views: 3177
Re: Noob looking for some help
Finding someone to work with is a big plus. Ask me how I know. I met two good people here that have helped me out. As the previous poster said, there is a lot to learn just by visiting this forum.
- Phil
- Phil