Russ' latest video questions

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Joseph Leavell
Posts: 59
Joined: Mon Feb 22, 2021
Location: ks
Country: United States
Laser Machine Make or Type: china laser?
Laser Power: 50W (48 actual?)
Laser Bed Size: 300mmx500mm
Home Position: TL
Control Software: RDWORKS
RDWorks Version: 8.01.52
Ruida Controller: RDC6442
Windows Version: 10

Hey everyone, so in Russ' latest video he kind of showed the effect of removing the 'hole' in the lens and seeing what impact it had. Has anyone here done the opposite by *blocking out* all but maybe 1/2 of the beam diameter and seeing if that effects your focal range/ ability to make clean cuts? Obviously that will reduce your overall power, but if you only use that ~70% in the middle and use that to focus, surely that would increase your focal length/spot size?
Dave Vigness
Posts: 526
Joined: Sun Dec 15, 2019
Location: Kansas City - Rural
Country: USA
Nickname: Dave
Laser Machine Make or Type: Chine Red and Black
Laser Power: EF RF2 80W
Laser Bed Size: 20 x 26
Home Position: TR
Control Software: RDWORKS
RDWorks Version: 8.01.54
Ruida Controller: RDC6445
Windows Version: 7
Accessories: Power Switch for air assist / exhaust blower, Ma meter with switch for external digital, dual digital temp gauge, LED lights under gantry and and and.

Pics and a list here. https://drive.google.com/drive/folders/ ... sp=sharing

The part I took from that one and the previous is the value of the GaAs lens'. With the different refractivness and a shallower top curve, you get better deep cutting with a GaAs compared to the same or longer focal length PVD.
Joseph Leavell
Posts: 59
Joined: Mon Feb 22, 2021
Location: ks
Country: United States
Laser Machine Make or Type: china laser?
Laser Power: 50W (48 actual?)
Laser Bed Size: 300mmx500mm
Home Position: TL
Control Software: RDWORKS
RDWorks Version: 8.01.52
Ruida Controller: RDC6442
Windows Version: 10

Yeah, I had picked that up as well. I just was wondering if anyone had tested removing the low power that does the 'scorching' and instead just kept the higher power 'cutting' beam in the middle
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