On 14.3.2011 15:28, art wrote:
> The 32 and 48 refer to teeth per inch (pitch).
teeth per inch of the gear wheel circumference?
> I use nylon inserts in polycarbonate (Lexan)frames, but I'm using chains
> and sprockets, not gears, so if any wear does occur in the bushings it
> will have no effect on the mesh...I'll still have 5 or 6 teeth engaged
...
> ball bearings. K&P use bronze bushings and coarse tooth gears to counter
> the inevitable wear, but that's why they get ratchety under load after a
> while.
Actually ball bearings are maybe even easier to use, just drill a
suitably large hole and drop in the bearing.
> We know you're capable of precision machining, and if you are going to
> make a top grade geared winder you'll need all your skills.
I was simply planning of using a press drill (is that the English word
for the machine that makes vertical drilling?) and make the body of the
winder from either two plates bolted together, as you have done with
your winders, or if that turns out to be to unstable, use a piece of
aluminum square tubing for the body.
-Tapio
Received on Mon Mar 14 2011 - 08:05:12 CET
This archive was generated by Yannick on Sat Dec 14 2019 - 19:13:46 CET