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Do you have any idea how much the die would cost to make something similar?
Or can this be performed with some standard dies and fine tuning afterwards?
I have some CNC machining experience but absolute no idea about stamping.
Hi,
does anyone have an idea how to manufacture following part:
View attachment 325229View attachment 325230View attachment 325231View attachment 325232
I have milled the outline of this part (which is okay) but I'm stuck at bending it so far.
thanks,
Mark
A hand operated press brake (Diacro 1624 for instance) would be ideal for that part. 2 bends with a simple linear V shaped punch and die (no tool steel needed) would do it. Bending tolerances, with care, can be held within .005".
Agree with you that milling the blank first, then bending is the way to go. Bend allowance should have been determined first (empirically) before milling the profile. Most likely only a couple tweaks will be required to modify your present toolpath.
The left end "curves" aren't a problem, but the right end curved bends might be, depending on final tolerances. If they don't have to be close, those features can be formed after bending. The vertical "wall" needs some minor shrinking, easiest to do in copper.
So some questions:
Tolerances? Lot size? thickness of material? Alloy?
making dies for that sort of part that you only need 1 a day is completely impractical, total waste of time, you will never recoup the expense
mill what what you can, finish with needle files features you couldn't reach and then fold it, which can become tricky with the "impossible" features you've put in the design, think VERY carefully if you need those "windows" that you introduced in your part compared to the original
View attachment 325266
My first question is How Many do you Need? That will determine the process. If only 1 to 10, Layout and Cutout as previously suggested. Make a cheap form die to form the part in an press or form in the press-brake. If you need a whole lot more, It's a new ball game! A punch press having sufficient tonnage and size. A "perf and blank" die and a "form die". Or a Progressive Die to produce a part at every stroke. In any case you'll need to figure the flat pattern: To calculate the Bend Allowance around the radii. (The sin of one (1) degree) .01745 X the arc X the inside radius + 1/3 the stock thickness.Hi,
does anyone have an idea how to manufacture following part:
View attachment 325229View attachment 325230View attachment 325231View attachment 325232
I have milled the outline of this part (which is okay) but I'm stuck at bending it so far.
thanks,
Mark
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