372 lines
22 KiB
JSON
372 lines
22 KiB
JSON
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"description": "Precios Plastic Valencia will guide you through a straightforward method for creating a mold to produce surf fins.\n\nThe process includes preparing the 2D/3D model for laser cutting, injecting the plastic materials, and finishing the product.\n\nContents of this folder include:\n- 3D CAD files (.step and .f3d)\n- Laser cut files (.dxf)\n- Blueprints (.pdf)",
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"steps": [
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"text": "As a preliminary step, you must design the appropriate dimensions for your fin to meet surfboard specifications. \n\nThe crucial dimensions are where the fin connects with the surfboard, which may vary. Ensure you check its width, height, and thickness (derived from the stainless steel sheet's size, specifically 1/4 inch (6 mm)). For the top and bottom pieces, we recommend a thickness of 3/8 inch (10 mm). \n\nYou can download the .DXF and .F3D files and adjust these measurements as necessary. \n\nOnce you have verified the sizes, export each drawing (three in total) in .DXF format. These files should be laser cut in stainless steel by an industrial laser cutting service, which typically offers reasonable rates. \n\nInstruct the company to create an M8 thread in the center of the top piece. If this service is unavailable, you may alternatively weld an M8 nut in place. This component is essential for attaching the injection nozzle to the mold; consult your machine for compatibility.",
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"text": "Once you have your laser-cut mold, it is time to fill it with plastic waste.\n\nYou will need seven M8x40 screws (or longer) to secure the three mold layers. Utilize an M8 nut to connect the mold to the injection machine and experiment with different injection point positions. If your injection machine lacks threading, you can use the hole/injection point without a thread.\n\nWe suggest using PP, as PE tends to break easily.",
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"title": "Injection!"
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"text": "As the mold used is laser-cut, its edges are straight and may present challenges for surfing. To address this, the edges must be sanded, introducing an opportunity for craftsmanship.\n\nTo maintain the center line and avoid distorting the vertical alignment, draw a line along the edge and create an offset perimeter on both faces, ensuring minimal material removal. A rotary tool should be employed, with appropriate safety gear such as safety glasses and a mask.\n\nIf this step were to be omitted, a CNC mold would be required. Though more costly, it would result in an injection-ready object with a hydrodynamic shape, eliminating the need for sanding.",
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"text": "You may utilize an electric sanding machine to significantly reduce the time spent on sanding. Begin with a coarse grit sandpaper (grain 120) to remove substantial material. Proceed with a medium grit (grain 320), and complete the process with a fine grit (grain 800). The grit numbers are provided as guidance; experimentation with various grits is encouraged. Polishing can be achieved with an extremely fine grit (grain 3000 or higher).\n\nTo enhance the surface finish, apply a brief amount of heat at the conclusion of the sanding process.",
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"description": "Som un grup d'amics desenvolupant productes, millorant les màquines i fent tallers i esdeveniments. Tenim una trituradora, una injectora, una extrusora i una premsa.\n\nSomos un grupo de amigos desarrollando productos, mejorando las máquinas y haciendo talleres y eventos. Tenemos una trituradora, una inyectora, una extrusora y una prensa.\n\nWe are a group of friends developing products, improving the machines and doing workshops and events. We have one shredder, one injector, one extruder and one press.",
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"services": [
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{
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"welding": false,
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"assembling": false,
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"machining": false,
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"electronics": false,
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"molds": false
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}
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],
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"title": "preciosplasticvalencia",
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"images": []
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},
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"detail": {
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"services": [],
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"urls": []
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}
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},
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"content": "Precios Plastic Valencia will guide you through a straightforward method for creating a mold to produce surf fins.\n\nThe process includes preparing the 2D/3D model for laser cutting, injecting the plastic materials, and finishing the product.\n\nContents of this folder include:\n- 3D CAD files (.step and .f3d)\n- Laser cut files (.dxf)\n- Blueprints (.pdf)\n\n\nUser Location: Valencia, Spain\n\nAs a preliminary step, you must design the appropriate dimensions for your fin to meet surfboard specifications. \n\nThe crucial dimensions are where the fin connects with the surfboard, which may vary. Ensure you check its width, height, and thickness (derived from the stainless steel sheet's size, specifically 1/4 inch (6 mm)). For the top and bottom pieces, we recommend a thickness of 3/8 inch (10 mm). \n\nYou can download the .DXF and .F3D files and adjust these measurements as necessary. \n\nOnce you have verified the sizes, export each drawing (three in total) in .DXF format. These files should be laser cut in stainless steel by an industrial laser cutting service, which typically offers reasonable rates. \n\nInstruct the company to create an M8 thread in the center of the top piece. If this service is unavailable, you may alternatively weld an M8 nut in place. This component is essential for attaching the injection nozzle to the mold; consult your machine for compatibility.\n\nOnce you have your laser-cut mold, it is time to fill it with plastic waste.\n\nYou will need seven M8x40 screws (or longer) to secure the three mold layers. Utilize an M8 nut to connect the mold to the injection machine and experiment with different injection point positions. If your injection machine lacks threading, you can use the hole/injection point without a thread.\n\nWe suggest using PP, as PE tends to break easily.\n\nAs the mold used is laser-cut, its edges are straight and may present challenges for surfing. To address this, the edges must be sanded, introducing an opportunity for craftsmanship.\n\nTo maintain the center line and avoid distorting the vertical alignment, draw a line along the edge and create an offset perimeter on both faces, ensuring minimal material removal. A rotary tool should be employed, with appropriate safety gear such as safety glasses and a mask.\n\nIf this step were to be omitted, a CNC mold would be required. Though more costly, it would result in an injection-ready object with a hydrodynamic shape, eliminating the need for sanding.\n\nYou may utilize an electric sanding machine to significantly reduce the time spent on sanding. Begin with a coarse grit sandpaper (grain 120) to remove substantial material. Proceed with a medium grit (grain 320), and complete the process with a fine grit (grain 800). The grit numbers are provided as guidance; experimentation with various grits is encouraged. Polishing can be achieved with an extremely fine grit (grain 3000 or higher).\n\nTo enhance the surface finish, apply a brief amount of heat at the conclusion of the sanding process.",
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"keywords": "surf fins, mold creation, laser cutting, 3D modeling, CAD files, plastic injection, sanding techniques, DIY surfboard fins, stainless steel molding, fin dimensions",
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"resources": "Here's an extraction of required tools, software, and hardware from the tutorial:\n\n### Software\n- 3D CAD software (e.g., [Autodesk Fusion 360](https://www.autodesk.com/products/fusion-360)) to work with .f3d/.STEP files\n- DXF export capability for laser cutting preparation\n\n### Hardware & Tools\n- Industrial laser cutting service ([Example Valencia provider](https://www.suministrosindustrialesvalencia.es/))\n- Rotary tool with grinding attachments for edge sanding\n- Electric sanding machine\n- M8 threading tools or welding equipment for nut installation\n- Coarse-to-fine sandpaper (120-3000+ grit)\n\n### Materials & Safety\n- Stainless steel sheets (6mm and 10mm thickness)\n- PP plastic waste material\n- 7x M8x40 screws and M8 nuts\n- Safety glasses + mask for sanding\n- Heat gun for final surface finishing",
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"references": "## Articles\n- [Surf Fins Mould - Library - Precious Plastic Academy](https://community.preciousplastic.com/library/surf-fins-mould)\n- [molding fins topic - General Discussion - SWAYLOCKS](https://forum.swaylocks.com/t/molding-fins-topic/41310)\n- [Fins For All - Surf Simply](https://surfsimply.com/magazine/fins-for-all)\n- [Surf fin templates | finfoil blog](https://finfoil.io/blog/posts/2020/08/19/printing.html)\n\n## Books\n- [Part and Mold Design (PDF) - Bayer Design](https://kompozit.org.tr/wp-content/uploads/2021/11/A_Design_Guide_Part_and_Mold_Design_Engi.pdf)\n\n## Papers\n- [A parametric method to customize surfboard fins (Deakin University)](https://dro.deakin.edu.au/articles/journal_contribution/A_parametric_method_to_customize_surfboard_and_stand_up_paddle_board_fins_for_additive_manufacturing/20698027)\n\n## YouTube\n- [Simple Silicone Mold For Surfboard Fin Tabs](https://www.youtube.com/watch?v=qkVutYonQhM)\n- [Fusion 360 - How to design and 3D print a surfboard fin](https://www.youtube.com/watch?v=TaaOgvAvsX4)\n\n## Opensource Designs\n- [Surf Fins Mould CAD files - Precious Plastic](https://community.preciousplastic.com/library/surf-fins-mould)\n- [Designing a Surfboard Fin - FreeCAD Forum](https://forum.freecad.org/viewtopic.php?t=5295)"
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} |