{
  "category": {
    "_created": "2022-05-09T21:18:09.659Z",
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    "label": "Machines",
    "_id": "bD7i9YjwOa4yTlLdYUnw",
    "_modified": "2022-05-09T21:18:09.659Z"
  },
  "title": "Solar Plastic Injection ",
  "files": [],
  "mentions": [],
  "previousSlugs": [
    "solar-plastic-injection-"
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  "creatorCountry": "",
  "total_downloads": 0,
  "_modified": "2024-02-13T10:20:12.365Z",
  "_createdBy": "plastok",
  "_created": "2020-07-12T21:20:11.689Z",
  "_deleted": false,
  "steps": [
    {
      "title": "Prepare the setup",
      "_animationKey": "uniqueh01cr",
      "text": "You need :\n\n- volks.eco solar concentrator \n- Hydraulic Jack press\n- Cartridge made with a plumbing pipe\n- Shredded HDPE\n- Injection mold\n- Cup of water\n- Oven gloves\n- Clamp\n\nFind a sunny place and preheat the solar tube concentrator",
      "images": [
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          "updated": "2020-07-12T21:20:01.069Z",
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    },
    {
      "title": "Load the cartridge",
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        },
        {
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          "downloadUrl": "https://firebasestorage.googleapis.com/v0/b/onearmyworld.appspot.com/o/uploads%2Fhowtos%2FUT5PItBMaqFXvVnqB5nX%2Ffill_the_cartridge.png?alt=media&token=b5eb8e22-66bd-4c90-9de3-a9cd2717a8a0",
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          "updated": "2020-07-12T21:20:02.840Z",
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          "downloadUrl": "https://firebasestorage.googleapis.com/v0/b/onearmyworld.appspot.com/o/uploads%2Fhowtos%2FUT5PItBMaqFXvVnqB5nX%2FIMG_2256.JPG?alt=media&token=0ddc9230-7be8-4640-bb32-61441a1fa114"
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      "_animationKey": "unique1",
      "text": "Load the shredded plastic inside the iron cartridge.\n\nCompress as much as you can the needed amount of  plastic depending on the volume of your part, inside the cartridge.\n\nLock the plumbing pipe with ½\" of cap ends.\n\nLoad the cartridge inside the solar concentrator.\n"
    },
    {
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          "size": 272622,
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          "downloadUrl": "https://firebasestorage.googleapis.com/v0/b/onearmyworld.appspot.com/o/uploads%2Fhowtos%2FUT5PItBMaqFXvVnqB5nX%2FTemp%20Prob.webp?alt=media&token=ddb4ae11-80f1-498f-ae19-95d26b0d1938"
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      ],
      "title": "Heating the Cartridge",
      "text": "Wait the time necessary depending on the sunlight exposure (between 30 and 60 min).\n\nYou can load several iron cartridge inside the solar concentrator to speed up the process.\n\nUse a temp prob inside of the heated tube to manage the temperature of the cartridge.\n\nThe concentrator can heat up between 180-250°C.\n\nThere is a lot to learn with this method and a lot of inputs to bring on the table.",
      "_animationKey": "unique2"
    },
    {
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          "downloadUrl": "https://firebasestorage.googleapis.com/v0/b/onearmyworld.appspot.com/o/uploads%2Fhowtos%2FUT5PItBMaqFXvVnqB5nX%2FIMG_2298.JPG?alt=media&token=06a068a4-c20f-408f-a8e4-5348989b9733"
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          "updated": "2020-07-27T07:50:59.390Z"
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      "_animationKey": "unique3",
      "text": "The cartridge will be really hot, USE GLOVES !\n\nRemove the two cap ends of the hot cartridge.\n\nPlunge one extremity of the tube in the cup of water.\n\nBy putting the end of the tube in the water, you will make a hard plastic piece that will push the melted plastic inside of the mold.\n\nNB : Preheating the mold above 60°C helps a lot to obtain a nice finished part.\nThe preheating is easily achieved by putting the mold a few minutes in the solar concentrator.",
      "title": "Screw cartridge & mold"
    },
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          "fullPath": "uploads/howtos/UT5PItBMaqFXvVnqB5nX/injection.webp",
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          "downloadUrl": "https://firebasestorage.googleapis.com/v0/b/onearmyworld.appspot.com/o/uploads%2Fhowtos%2FUT5PItBMaqFXvVnqB5nX%2Finjection.webp?alt=media&token=5d04388a-41c9-4f75-beca-c4654b3c9799",
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      ],
      "title": "Inject manually",
      "text": "Inject the plastic inside the mold, the quicker you can, the better it is.\n\nWe will share how to build our portable hydraulic jack press next time."
    },
    {
      "text": "Be sure to have cooled down the mold (if needed you can put it in cold water) before extracting your injected part.\n\nNow you have a nicely injected finished part made only with human and solar power !\n\nMechanical improvement has to be made with the mold for the extraction, it's just a prototype for this proof of concept\n\n\n\n\n",
      "title": "Extract the injected part ",
      "images": [
        {
          "name": "open_the_mold.png",
          "timeCreated": "2020-07-12T21:20:10.863Z",
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      "_animationKey": "uniqueqr977n"
    },
    {
      "text": "This video shows the whole process and the time expected for every step. (It works, but we can improve it).\n\nThe solar concentrator is a solution that doesn't need any electricity. \n\nYou can setup this everywhere (beach, mountain, city) in any season, you just need a little bit of sun.\n\nIf you are interested in the solar concentrator, feel free to visit volks.eco and contact my friend Marco.\n\nHe has been working on this nice solar concentrator for a long time now, and it can be used in so much other ways.\n\nI hope you find your way with it and that it will open doors on the potential of solar energy for plastic recycling.\n\nThanks Marco for your input and Precious Plastic for all !",
      "title": "Recap",
      "videoUrl": "https://www.youtube.com/watch?v=4LCbm_M_BW0",
      "images": [],
      "_animationKey": "unique024ksf"
    }
  ],
  "total_views": 561,
  "comments": [
    {
      "text": "Since the associated video is listed as \"for kids\", it can not be saved (easily referenced), and comments/conversations are prevented.",
      "creatorName": "mavigogun",
      "creatorCountry": "us",
      "_id": "lQ6rMekcFXF19NYnB0xI",
      "_edited": "2023-12-29T15:07:49.336Z",
      "_creatorId": "mavigogun",
      "_created": "2023-12-29T15:06:39.513Z"
    },
    {
      "_id": "IwxK0sAtus6h1FCFIh7B",
      "_creatorId": "mavigogun",
      "_created": "2024-01-05T16:11:46.365Z",
      "creatorName": "mavigogun",
      "creatorCountry": "us",
      "text": "Instructable for the above solar heat collector: https://www.instructables.com/Sun-Concentrator-for-Plastic-Injection/"
    },
    {
      "creatorCountry": "us",
      "_creatorId": "mavigogun",
      "text": "Could you address the relatively low melting temperature of the printed ABS parts of the solar heat collector with the much higher potential operating temperature? Is the inner tube only supported on one end? The depicted tube lid/cover/hatch is missing from the build document- what is expected?   What are the dimensions of the glass elements, where may they be sourced, and what has been used to blacken the inner tube?",
      "_edited": "2024-01-05T16:25:24.087Z",
      "creatorName": "mavigogun",
      "_id": "XO9DaYZiY1mAsw1VjPm5",
      "_created": "2024-01-05T16:22:16.829Z"
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  "time": "< 1 week",
  "_contentModifiedTimestamp": "2023-06-14T11:02:17.670Z",
  "difficulty_level": "Medium",
  "description": "Today volks.eco and PlastOK are proud to share with you a solution to inject some precious plastic parts using only solar and human power.\nWe believe this method will spread further the precious plastic concept and increase the potential use of plastic waste anywhere in the world.\nThis is our first step in the solar precious plastic experience.\nDon’t forget your sunscreen, sunglasses and enjoy !\n\n",
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