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Marc Schink authored
Move autogen.sh invocation of libjaylink from the configure to the bootstrap script because the configure script is included in tarball releases but autotools are not required to be available on end-user machines. Thanks to Paul Fertser for spotting this. Change-Id: I5489ae83885157a01803eed51a7328e47d67ea6d Signed-off-by:
Marc Schink <openocd-dev@marcschink.de> Reviewed-on: http://openocd.zylin.com/3569 Tested-by: jenkins Reviewed-by:
Paul Fertser <fercerpav@gmail.com>
Marc Schink authoredMove autogen.sh invocation of libjaylink from the configure to the bootstrap script because the configure script is included in tarball releases but autotools are not required to be available on end-user machines. Thanks to Paul Fertser for spotting this. Change-Id: I5489ae83885157a01803eed51a7328e47d67ea6d Signed-off-by:
microcutting
Comparison of micro-waterjet, laser, EDM, NC, ... cutting
micro-waterjet
MicroMAX at OMAX Demo Lab - https://www.omax.com/omax-waterjet/micromax
Nozzle: 7/15 MAXJET5 Minijet Nozzle with 0.007" ID diamond orifice and 0.015" Roctec 500 mixing tube
Abrasive: 240 mesh Barton HPX garnet with a mean particle size of 60 um at a flow rate of 0.12 lb/min
Pressure: 50 ~ 55 ksi
Cutting time: 3.1 min
solid-state laser micromachining
ultrafast laser micromachining
EDM
Full-scale Toolpathing
We toolpathed the microspline part at the full ~2" long scale. This would be cut from a stack of six sheets of 0.03125" thick brass layered on top of a 1/16" thick piece of steel. We added slits in the frame to avoid pre-drilling any holes. We also removed all of the tabs. This may prove to be a bad idea but it allows us to get a sense of the speed of Wire-EDM vs uAWG without having to do a lot of pre-processing. The total path length of the full scale toolpath is 52.5 inches. With an expected cut speed of at most 0.22 inches/minute, the expected cut time is approximately 4 hours.
1/3-scale Testing
Given the long machining time, we ultimately decided to do a 1/3-scale test cut from a stack of 0.01" brass sandwiched between 0.25" aluminum. The perimeter of this toolpath measures 17.5 inches. With an expected cut speed of 0.18 inches/minute, the expected cut time is just about 100 minutes or 1 hr 40 mins.
Micromachining using Zund G-3 L-2500
Fablight fiber laser
Machining time: ~5 min
Cost of machine: sheet only machine with the 3000 laser is around $80,000, and the tube & sheet is around $90,000
Machine settings: