Open source Waveguides for CNC & 3D printing! - Page 33

Guerilla · 10th February 2019, 09:50 AM

I havent seen it anywhere, but shouldnt phaseshields be starshaped instead of round?

augerpro · 11th February 2019, 12:50 AM

Rokytheman> the SB26 designs are all the same, regarding dome material. Basically I measure the metal domes first, then cut off the phase shield and measure the fabric dome, and remeasure the metal domes. I'll get some non-PS versions up, your right that it might risk a failed print.

kalleDH> The phase shield was damaged on that print so I never measured it. Next session I will measure it anyway with the phase shield.

Guerrilla> I did a bunch of phase shield variants early on, including the scalloped version below. There was only minor differences versus a simple disc of the same diameter (tested .47" and .25" diameter versions).

Arnandsway · 15th February 2019, 05:28 PM

Awesome project, many thanks.

What kind of materials are recommended for 3D-printing a waveguide?

Mayuri · Yesterday, 10:24 PM

Slightly modified 6" waveguide to fit the ScanSpeak R2604. Works nicely!

11th February 2019, 12:50 AM	#322
augerpro diyAudio Member Join Date: Aug 2006	Rokytheman> the SB26 designs are all the same, regarding dome material. Basically I measure the metal domes first, then cut off the phase shield and measure the fabric dome, and remeasure the metal domes. I'll get some non-PS versions up, your right that it might risk a failed print. kalleDH> The phase shield was damaged on that print so I never measured it. Next session I will measure it anyway with the phase shield. Guerrilla> I did a bunch of phase shield variants early on, including the scalloped version below. There was only minor differences versus a simple disc of the same diameter (tested .47" and .25" diameter versions). __________________ ~Brandon DriverVault Soma Sonus

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10th February 2019, 09:50 AM	#321
Guerilla diyAudio Member Join Date: Feb 2018 Location: Aalborg Denmark	I havent seen it anywhere, but shouldnt phaseshields be starshaped instead of round?

15th February 2019, 05:28 PM	#323
Arnandsway diyAudio Member Join Date: Nov 2018	Awesome project, many thanks. What kind of materials are recommended for 3D-printing a waveguide?