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  1. R

    .040 slitting saw cut need input please

    Well both slotters went bang in the cut. They both started sounding really good in fact could hardly hear them. 1st try was full depth climbing got about 1/2 in maybe just fully engaged then boom , looks like chips packed. 2nd try conventional 1/3 depth got about 7in then boom, once again looks...
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    .040 slitting saw cut need input please

    Hi All I have 25 cuts to make 14.754 x .040 x .600 deep slots to put into 2 pieces 6061 al (2.165 wide) heat sink I believe but with tight tolerance. I have a 2in x.040 carbide slitting saw 40 teeth Manufacture suggest 1500 SFM AND .001 CHIP = 2925 RPM X 117 IPM they say 5x width depth of...
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    New to vacuum plate design need advice

    The plates are white acrylic 12' x 18' x 1/2' thick (rectangle) with .250 corner radius and a .07 chamfer around both side . We're making the pocket 3/8 deep and .01 to .015 oversized, putting in vacuum / blow line . We will play with the seals till we can find a good fit for load , seal and...
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    New to vacuum plate design need advice

    The problem is I can't seal on the bottom because to all the grooves that run thru the edges . I can only seal on the sides so has anyone done this with success.
  5. R

    New to vacuum plate design need advice

    Thank you all for the replies !!!! My pockets will be cut down into my vacuum plate somewhere between .3 and .4 deep. The plastic is around 1/2 thick with profiles finished and a .075 chamfer all around with lots of .06 wide by .05 deep slots that go the thru edges. My o-ring groove will be cut...
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    New to vacuum plate design need advice

    Can you cut a 12" x 18" pocket and place the o-ring around the sides to hold using a vacuum pump. If so how much gap and how far should the o-ring protrude. 12 x 18 plates are +/- .005 with radius corners and chamfer around profile.
  7. R

    New to vacuum plate design need advice

    Hi and thanks for reading I have never really used a vacuum plate , but monday I will need to design one to hold down a 12" x 18" plastic plate (some kind of hard acrylic). The problem is the plate will have small slots thru the edges so I can't pull the plate down to form the vacuum . I was...
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