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HPC LS3020 » History » Version 20

jaap, 2012-08-14 14:04

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h1. HPC LS3020
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{{>toc}}
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!HPC-LS3020.jpg!
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The HPC LS3020 is manufactured in China and sold by "HPC Laser Ltd.":http://hpclaser.co.uk/index.php?main_page=product_info&cPath=1&products_id=40 in the UK. It comes in different flavours, depending in the time it was bought. Differences found until now:
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* There are at least three different power supplies
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* The size of the bed is different (some machines were actually LS-3020pro sold as LS3020, with a bigger bed.
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* Some machines come with a flatcable for the endstops and X-axis, while others have JST connectors for the endstops and X-axis.
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Information on how to install a LaOS board in the HPC can be found in [[Setting_up_electronics_and_network_for_the_HPC_LS3020]]
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h2. Coordinates
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The coordinates of an HPC LS3020 laser with LAOS board should be set up as follows:
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!HPC-LS3020-coordinates2.png!
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The "home" position has limit switches at (Xmax,Ymax) which the firmware uses on power-up to figure out where the head is located. Homing can also be performed manually from the I2cPanel.
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h2. Modifications
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* Replace the on-off laser power push button by a toggle switch, so the state is visible from afar - [[HPC push button mod]]
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* Add the "Focus adjustment wheel":http://www.thingiverse.com/thing:18941 for the z-axis. This should be the first thing you cut with your LS3020. A real enhancement. You only need two M10 nuts to fasten it. Some machines have Z-axis adjustment already installed.
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* A shaky video (7:08) of a comparable machine showing "some enhancement ideas":http://www.youtube.com/watch?v=5F78_zDuaxI: in-line red dot beam combiner, z-axis motor (really protrudes down), second fluorescent tube, slow hinge on the cover and a watercooler-to-be.
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h2. Maintenance
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* Instructions about "cleaning the lens":http://laserscript.co.uk/phpBB3/viewtopic.php?f=9&t=234.
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* A video (6:59) on the "mirror alignment and belt tension adjustment":http://www.youtube.com/watch?v=jLgekkOiMsY&feature=related of a comparable machine.
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* On the HPC "Laserscript forum":http://www.laserscript.co.uk/phpBB3 and on the comparable machines' "FS forum":http://www.fullspectrumengineering.com/forums/viewforum.php?f=3&sid=7de46ba40b08fe566985b4c7220616e1 you might find an answer to other questions like leveling the z-table or installing different focal length lenses.