Involute Gear: Difference between revisions
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The tools necessary for this process include:<br> | The tools necessary for this process include:<br> | ||
1. A vertical milling machine (horizontal will probably work as well, but I will focus on vertical here)<br> | 1. A vertical milling machine (horizontal will probably work as well, but I will focus on vertical here)<br> | ||
2. The appropriate gear-cutting | 2. The appropriate gear-cutting [[Hob]] for the dimensions of the gear desired<br> | ||
3. An indexing head attachment for the milling machine<br> | 3. An indexing head attachment for the milling machine [http://en.wikipedia.org/wiki/Indexing_Head]<br> | ||
4. A tailstock attachment for the same<br> | 4. A tailstock attachment for the same<br> | ||
5. A live center to mount in the tailstock and a dead center to mount in the indexing head<br> | 5. A live center to mount in the tailstock and a dead center to mount in the indexing head<br> | ||
Revision as of 15:07, 25 April 2011
This page is very much a work in progress-improvements are forthcoming.
There are several methods to cut an involute gear, but I will focus on hobbing techniques, as a simple hob can be made with the most basic lathe. (see Hob)
The tools necessary for this process include:
1. A vertical milling machine (horizontal will probably work as well, but I will focus on vertical here)
2. The appropriate gear-cutting Hob for the dimensions of the gear desired
3. An indexing head attachment for the milling machine [1]
4. A tailstock attachment for the same
5. A live center to mount in the tailstock and a dead center to mount in the indexing head
6. The stock machined slightly oversize (compared to tooth diameter-no more than 0.010-0.020" oversize is needed) on an engine or bench lathe.