DallasGypsy, on 02 August 2012 - 03:00 PM, said:
Love, love, love the brass pumps. Noticed that you can order the glue-on rings for them too.
But ... wondering if someone can tell me how you use the molds? Are they used with clay or slip? And do you attach them to your greenware by scoring & slipping? Or do you fire them separately and then let the glaze hold the whole thing together.
You use clay with the molds, you just shove the clay into the molds, and then use your needle tool to scrape the extra off at the bottom.
As far as firing, I did both. You wait until the clay is leather hard and very very carefully UNSCREW the clay from the mold. You can fire the neck by itself, or you can attach it to your greenware. The only issue I found when I did that was that when attaching, scoring and making sure that the neck was on correctly I sometimes would make the threads move a little bit out of line, and believe me, that will mess up the whole thing, because your pump will not thread on there.
I absolutely agree that the molds make the best necks, no doubt, BUT if you don't get them on correctly the piece is history.
the 2 styles of the neck are because of the thread pattern. you need to know which of your pumps will fit and which won't.