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Threading by hand
wongster:
Maybe I should cut it on my lathe. I've this threading attachment still in the box. Have to read up on how to install it. The spindle motor has to be removed for this to work.
Regards,
Wong
wongster:
--- Quote from: No1_sonuk on June 17, 2010, 08:08:30 AM ---Not sure if you can do it with your machine, but I have used the front of the tailstock quill to get dies on squarely.
See attached pic.
In that pic (grabbed from someone else's site), he's using a collet chuck in the tail stock, rather than the front of the quill. However, the front of the quill should do a good enough job, assuming it's big enough.
--- End quote ---
No1_sonuk,
How was the die held in the pic? Or it is just being pressed onto the stock? Can't see that from the angle.
Wong
kvom:
I also use the tailstock to press on the die/holder, as shown in the above pics.
wongster:
Thanks for clearing this for me.
Appreciate all the responds. Now looking for step by step pics on how to install the Thread Cutting Attachment. I'll get the larger diameter steel/aluminum to make a die holder.
Regards,
Wong
mklotz:
First, are you using the correct side of the die? If you look closely, you'll see that the die threads on one side of the die are tapered so that they don't take a full bite at first contact with the workpiece. This helps the die to get started properly. Using the correct side of the die is important even if you are using a guided die holder.
Second, if your die is adjustable (as most good dies are) open it to its maximum to start the thread. The shallow thread you cut with this setting will serve as a guide. On following cuts, close the die until you have the correct depth of thread.
Finally, you can often turn a small section of the workpiece end down to a diameter that just slides into the die. This will help the die to align and guide the cut. After the thread is formed, the guide tenon can be cut off.
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