Serial Inkjet Printer Kit question
Vern Graner
Posts: 337
I am toying with designing a project to use the Serial Inkjet printer. In the design, I had planned to have a rotating base (like a record player) and use the inkjet to inscribe text on the media rotated by this base. My question has to do with the speed.
Exactly how fast (in RPM) could the paper be moving before the inkjet would not be able to create distorted text? I would imagine that if the media is spun too quickly, that the text would become very elongated and/or the amount of ink dispensed would make the text too light to read. Is there an upper limit to the speed at which the media may be passed under the print head before the characters are no longer proportional?
TIA for any help.
Vern
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Exactly how fast (in RPM) could the paper be moving before the inkjet would not be able to create distorted text? I would imagine that if the media is spun too quickly, that the text would become very elongated and/or the amount of ink dispensed would make the text too light to read. Is there an upper limit to the speed at which the media may be passed under the print head before the characters are no longer proportional?
TIA for any help.
Vern
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Vern Graner CNE/CNA/SSE | "If the network is down, then you're Senior Systems Engineer | obviously incompetent so why are we Texas Information Services | paying you? Of course,if the network http://www.txis.com | is up, then we obviously don't need Austin Office 512 328-8947 | you, so why are we paying you?" ©VLG
Comments
Without an actual radius, no one can determine an optimal speed.
It would be a good entry project.
I suspect 33rpm would work and you could use an old record turntable. Do you have the book that comes with the device?
There was a thread a few month's ago about how fast a moving object could go and still print. It was surprising high. I just can't recall.
At the outer edge, you are covering a lot more distance in one RPM than near the center. So if you plan to move outward, the printing requires a faster printing rate.
You can compensate for the distortion in software, by altering the actual sequence timing of the individual dots. [noparse][[/noparse]That is why it would be a good project.]
I am happy to help out as I have a completely different H/P Printer project [noparse][[/noparse]printing on chopsticks]. May the best idea win.
There are three catagories, so mine may not even be in the same competition as yours. And, I have complete control of my printing rate via stepper motors.
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"When all think alike, no one is thinking very much.' - Walter Lippmann (1889-1974)
······································································ Warm regards,····· G. Herzog [noparse][[/noparse]·黃鶴 ]·in Taiwan
hmm I've just spent some time digging using the search function on these forums and I couldn't find any mention of that thread. can u give me a few more hints where you might have seen that discussion? keywords maybe?
Vern
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http://forums.parallax.com/forums/default.aspx?f=15&m=112850&g=112860#m112860
I searched for the word inkjet and last 6 months...
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Don't visit my new website...
That is a very rough ball park figure as the thread exposes.
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"When all think alike, no one is thinking very much.' - Walter Lippmann (1889-1974)
······································································ Warm regards,····· G. Herzog [noparse][[/noparse]·黃鶴 ]·in Taiwan