Setting for cutting 1/2" Baltic Birch Plywood

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Joe Adelaars
Posts: 3
Joined: Sat Feb 22, 2020
Location: Corona CA
Country: USA
Laser Machine Make or Type: CAM Five
Laser Power: 100
Laser Bed Size: 24 x 36
Home Position: BL
RDWorks Version: V8.01.26
Windows Version: 01

I have a rather large project to cut out of 1/2" Baltic birch plywood. I've had success cutting regular 1/2" plywood but am not getting thru the Baltic material. I've tried two passes at 3 mm per sec at a power setting of 65 and changed the focal height to 2 mm for the second pass. We are running with an air compressor with dryer at 10 to 15 psi. We have a 130W CAMFive laser. I need to get the speed up as well to meet a schedule deadline.
Pete Cyr
Posts: 1964
Joined: Sun Nov 27, 2016
Location: Suffolk Virginia
Country: United States
Laser Machine Make or Type: Boss 1630
Laser Power: 100w
Laser Bed Size: 16"x30"
Home Position: TR
Control Software: RDWORKS
RDWorks Version: v8.01.18
Ruida Controller: RDC6442
Windows Version: Win 10
Accessories: roller rotary attachment

I would be setting pwr at 85-90% and 5-8mm/sec
Location - VA
Equipment - Boss Laser 1630
Power - 100W
Laser Bed Size - 16" x 30"
Home Position - TR
Full RDWorks Version - v8.01.18
First name - Pete
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Gene Uselman
Posts: 2180
Joined: Thu Jul 07, 2016
Location: Suburban Minneapolis, Minnesota, US
Country: USA
Nickname: Gene
Laser Machine Make or Type: QC
Laser Power: 130W
Laser Bed Size: 900x1300
Home Position: TR
Control Software: LIGHTBURN
RDWorks Version: RDw .19 & Lightburn
LightBurn Version: Latest
Ruida Controller: RDC6442
Windows Version: Win 10 Pro
Accessories: I have a combining lenses, pin tables [homebuilt], honeycomb tables , wireless remote, Modifed Ultimate Air Assist, home built non-powered rotary device, PrusaMK4 and Mini Prusa printers.

Do you have a mA meter- if so, figure out the max power percentage and use that [or a bit higher :twisted:]. BB plywood is very dense and does not cut as well as 'normal' plywood in general. If you have a lot to do, it may be worth experimenting with different lenses like GaAs 2.5 inch. Russ has explored these quite thoroughly.
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