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Furniture frame machining9/19
Hello all. We cut furniture frames for a rapidly expanding company, primarily 1/2" and 3/4" plywood. We receive the dxf files from the company that designs and assembles the frames, and import the files to cut. Because of the number of parts, as well as the close proximity of the nest, we will have smaller parts move. We may have as many as 50 parts or so on a 4X8 sheet. We generally cut a first pass, leaving .5MM skin, then cut through with a second pass.
I do a bunch of that stuff too.
If the sheets are repeated, a plastic staple or two can save you.
I pay lots of attention to cut order.
I used to onion skin and do a second pass but I started using tabs and only doing 1 pass.
I'm using a 3 flute 3/8 slow up spiral roughing bit at 600 IPM and 15K RPM.
Trim the tabs while the next sheet is cutting.
Haven't lost a part in months.
Thanks for the response. I'll have to see if there is a way to program tabs without taking too much time on a drawing I import. Thanks for the tip.
Have you considered making the skin thicker than 0.5mm? Plywood does not always sit tight to the spoilboard, especially on the edges. If you tell router to come down to 0.5mm and the plywood is lifting up, it is possible you are cutting all the way through on the 1st pass.
What software are you using to make your cut files.
Tanks Adam. That doesn't seem to be occurring though.
I never kept track of how much I lost. Any amount of redo is bad.
My policy is in case or a lost part, the client pays for the material and I pay for the machine.
Phill, how big is your vacuum pump?
we had a supplier who couldn't give us 95% compliance, said he could do no better and would not credit defects. We increased hid pricing by 5% and then charged the rejects to his credits. Within 6 mouths he cut his defect rate in half. We gained production motion by having less rejects on the floor and were able to reduce over order supplying.