381 lines
19 KiB
JSON
381 lines
19 KiB
JSON
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"_id": "ja4f9m4695Vdfj4dtlXk",
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"tags": [
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"shredder"
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"time": "< 1 day",
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"title": "Laser cut stainless steel hopper",
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"description": "This how-to explains how to easily create a hopper for the 2.1 shredder, using laser cut stainless sheet. \nSince most shredders requires laser cut parts, you can add the shredder cutout to the list!\nThis design requires no welding, and can be completed in less that a day with on a angle grinder, a vise and a few rivets.\nIt features a laser cut plexiglass lid, so that you can see what's happening.\n",
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"_created": "2021-03-23T09:17:47.463Z",
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"slug": "laser-cut-stainless-steel-hopper",
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"fileLink": "",
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"_modified": "2023-11-04T18:58:32.449Z",
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"creatorCountry": "fr",
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"steps": [
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{
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"title": "Cut the parts",
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"images": [
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"updated": "2021-03-23T09:17:37.253Z",
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"src": "C:\\Users\\zx\\Desktop\\osr\\osr-machines\\howtos\\laser-cut-stainless-steel-hopper\\tremis_mmdd.jpg",
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"alt": "trémis mmdd.JPG"
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{
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"name": "lid.JPG",
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"updated": "2021-03-23T09:17:37.318Z",
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"type": "image/jpeg",
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"contentType": "image/jpeg",
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"fullPath": "uploads/howtos/ja4f9m4695Vdfj4dtlXk/lid.JPG",
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"timeCreated": "2021-03-23T09:17:37.318Z",
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"alt": "lid.JPG"
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"text": "Send the files to your local laser cutting shop. This design requires 1.5 mm thick stainless steel (more durable than regular steel, but it can work just fine), and 3 mm thick plexyglass. For plexyglass, it can maybe be laser cut in your local fablab too!",
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"_animationKey": "unique2"
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"text": "Once the laser cutting is done, you need to mark the dotted lines using a angle grinder and a thin cutting disc (1.5 mm thick is good).\nGrind through half the thickness of the stainless sheet to ease up the bending process. \nSmall advice: when grinding the small bend line (for the mounting brackets), make sure the grind ABOVE the line (and not below), otherwise the mounting brackets will not be flush with hopper top, and will let plastics leak all over.\n",
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"alt": "bend guide.png"
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"_animationKey": "unique1",
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"title": "Prepare the folds"
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},
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{
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"images": [
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{
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"type": "image/jpeg",
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"name": "P1000971.JPG",
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"timeCreated": "2021-03-23T09:17:39.380Z",
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"size": 117101,
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"alt": "P1000971.JPG"
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}
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],
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"title": "Bend the sheet and rivet",
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"text": "Bend the sheet along the line you marked. If you have a sheet bended it's way easier!\nClamp the sheet in a solid vise, and bend use pliers to bend along the lines.\nIt is easier to start with the large bends, and then proceed to the bends for attachment on the hopper.\nSmall advice here: if you feel too much resistance while bending, stop and mark the bends a little deeper so that you obtain a nice bend. \n",
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"_animationKey": "unique3"
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},
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{
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"text": "For ease of use I added line along the fold lines during laser cutting the plexiglass.\nTo bend the lips, I secured the part in a vise just on the futur bend line, and used a heat gun on medium heat at about 20 cm on the plexiglass until the angle is 90 °. Beware of not get too close with the heatgun otherwise you'll create bubble on the surface. I recommend to train on a scrap piece of plexiglass (or laser cut multiple lids)",
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"name": "P1000974.JPG",
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"size": 102789,
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"alt": "P1000974.JPG"
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"updated": "2021-03-23T09:17:40.858Z",
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"title": "Bending the lid",
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"_animationKey": "uniquemveutp"
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"text": "You now have a functional, aircraft lookin' hopper for your shredder! I sanded mine with 230 grint sand paper to even out the surface, and added a small hinge on the back for the lid:",
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"content": "This how-to explains how to easily create a hopper for the 2.1 shredder, using laser cut stainless sheet. \nSince most shredders requires laser cut parts, you can add the shredder cutout to the list!\nThis design requires no welding, and can be completed in less that a day with on a angle grinder, a vise and a few rivets.\nIt features a laser cut plexiglass lid, so that you can see what's happening.\n\n\n\nUser Location: Ajaccio, France\n\nSend the files to your local laser cutting shop. This design requires 1.5 mm thick stainless steel (more durable than regular steel, but it can work just fine), and 3 mm thick plexyglass. For plexyglass, it can maybe be laser cut in your local fablab too!\n\nOnce the laser cutting is done, you need to mark the dotted lines using a angle grinder and a thin cutting disc (1.5 mm thick is good).\nGrind through half the thickness of the stainless sheet to ease up the bending process. \nSmall advice: when grinding the small bend line (for the mounting brackets), make sure the grind ABOVE the line (and not below), otherwise the mounting brackets will not be flush with hopper top, and will let plastics leak all over.\n\n\nBend the sheet along the line you marked. If you have a sheet bended it's way easier!\nClamp the sheet in a solid vise, and bend use pliers to bend along the lines.\nIt is easier to start with the large bends, and then proceed to the bends for attachment on the hopper.\nSmall advice here: if you feel too much resistance while bending, stop and mark the bends a little deeper so that you obtain a nice bend. \n\n\nFor ease of use I added line along the fold lines during laser cutting the plexiglass.\nTo bend the lips, I secured the part in a vise just on the futur bend line, and used a heat gun on medium heat at about 20 cm on the plexiglass until the angle is 90 °. Beware of not get too close with the heatgun otherwise you'll create bubble on the surface. I recommend to train on a scrap piece of plexiglass (or laser cut multiple lids)\n\nYou now have a functional, aircraft lookin' hopper for your shredder! I sanded mine with 230 grint sand paper to even out the surface, and added a small hinge on the back for the lid:"
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