{"id":761,"date":"2021-09-15T18:24:48","date_gmt":"2021-09-15T21:24:48","guid":{"rendered":"https:\/\/impresion3d.website\/?p=761"},"modified":"2024-11-26T14:40:11","modified_gmt":"2024-11-26T17:40:11","slug":"how-to-avoid-warping","status":"publish","type":"post","link":"https:\/\/impresion3d.website\/en\/how-to-avoid-warping\/","title":{"rendered":"What is Warping in 3D printing?"},"content":{"rendered":"

Warping, also known as warping or bending, is a common problem that can occur during the 3D printing process. It consists of the corners or edges of the printed part being raised or curved upwards, away from the surface of the print bed. <\/strong><\/p>\n\n\n\n

This can negatively affect the quality and accuracy of the print, and in extreme cases, can even cause the part to come completely unstuck from the bed and fail the print entirely. <\/p>\n\n\n\n

Understanding the causes and knowing how to prevent and correct warping is essential for successful, high-quality 3D printing.<\/p>\n\n\n\n

What Causes Warping?<\/h2>\n\n\n\n

Warping is mainly caused by internal stresses in the print material, especially materials like ABS and PETG. <\/p>\n\n\n\n

When a layer cools rapidly, it tends to shrink and can exert forces that deform the part. In addition, temperature differences between the print bed and the part can also contribute to warping, since sudden changes in temperature affect the adherence of the material to the printing surface. <\/strong><\/p>\n\n\n\n

When one layer is deposited on top of the previous one, the lower layer cools and contracts slightly. If the next layer is deposited too quickly or if the temperature is too low, the top layer can put stress on the bottom layer, which can cause it to warp or curl.<\/p>\n\n\n\n

If this process is repeated layer after layer, the accumulated stress can be enough to significantly deform the part.<\/p>\n\n\n\n

Factors that can contribute to warping<\/h2>\n\n\n\n

Factors that can contribute to warping include too low a print temperature, a poorly leveled print bed, too fast a cooling rate, and lack of part adhesion to the build platform.<\/strong><\/p>\n\n\n\n

To prevent warping, it is important to follow certain guidelines such as adjusting the print temperature, properly leveling the print bed, and using adhesives such as Kapton tape or a glue stick to help the part adhere to the build platform.<\/p>\n\n\n\n

Warping is most common in plastic materials such as ABS and PETG, but it can occur in any material that is 3D printed.<\/p>\n\n\n\n

Causes that cause Warping<\/h2>\n\n\n\n
    \n
  1. Lack of adhesion to the bed.<\/li>\n\n\n\n
  2. The bed is not level.<\/li>\n\n\n\n
  3. The type of filament you are going to use and its melting temperature.<\/li>\n\n\n\n
  4. The temperature of the bed in relation to the type of filament.<\/li>\n\n\n\n
  5. Sudden changes in ambient temperature.<\/li>\n<\/ol>\n\n\n\n

    1. Lack of adhesion to the bed.<\/h3>\n\n\n\n

    Poor adherence of the first print layer to the bed surface can cause the piece to peel off and deform during printing.<\/p>\n\n\n\n

    A dirty bed, with uncleaned dust, may be the cause.<\/p>\n\n\n\n

    Always clean with water or alcohol and a cloth to ensure that the heated bed is clean and free of dust.<\/strong><\/p>\n\n\n\n

    Another cause may be an unleveled or poorly leveled bed.<\/p>\n\n\n\n

    To see more about adhesion to the printing bed, I invite you to read: Skirt Edge or Balsa What to use in Cure?<\/a><\/p>\n\n\n\n

    2. The bed is not level.<\/h3>\n\n\n\n

    If the print bed is not leveled correctly, there will be variations in the distance between the nozzle and the print surface, which can cause warping.<\/p>\n\n\n\n

    With a well-leveled bed you will not only achieve stable and reliable quality prints, but also a perfect adhesion to the bed.<\/strong>.<\/p>\n\n\n

    \n
    \"What
    You must level the print bed<\/figcaption><\/figure>\n<\/div>\n\n\n

    For printers with manual leveling like the ender 3 I invite you to read: How to Properly Level Your 3D Printer Bed<\/a><\/p>\n\n\n\n

    3. The type of filament you are going to use and its melting temperature.<\/h3>\n\n\n\n

    Each filament has its own thermal and shrinkage properties when cooled. Using the right temperature for each type of filament is key to avoiding warping.<\/p>\n\n\n\n

    There are different types of filaments and for each of them, the manufacturers will give you a recommended printing temperature, as well as the temperature for the heated bed.<\/p>\n\n\n\n

    These temperatures will be different from brand to brand, each manufacturer will let you know with a label on the filament roll or it will be specified on its box or packaging.<\/p>\n\n\n

    \n
    \"What
    Recommended 3D Printing temperatures<\/figcaption><\/figure>\n<\/div>\n\n\n

    Failure to use these recommended temperatures<\/strong> will cause warping problems<\/strong> in your 3D prints.<\/strong><\/p>\n\n\n\n

    It is important to respect these temperatures and, if possible, carry out tests to identify which is the best for your printer.<\/p>\n\n\n\n

    To understand what is the optimal temperature for your filaments, I invite you to read: Temperature tower: Better quality in your 3D prints<\/a><\/p>\n\n\n\n

    4. The temperature of the bed in relation to the type of filament.<\/h3>\n\n\n\n

    The bed temperature should be adjusted according to the type of filament used. A bed that is too hot or cold can cause adhesion and warping problems.<\/p>\n\n\n\n

    As with the previous point, you should keep in mind that the temperature of the heated bed is adequate for the type of filament you are going to use<\/strong>.<\/p>\n\n\n\n

      \n
    • PLA between 0\u00b0 and 60\u00b0<\/li>\n\n\n\n
    • PETG between 60\u00b0 and 90\u00b0<\/li>\n\n\n\n
    • ABS or NYLON between 80\u00b0 and 100\u00b0<\/li>\n<\/ul>\n\n\n\n

      Knowing the right temperature for your filament, you should preheat the hot bed about 5 minutes before starting to print<\/strong>, to ensure that the entire base is heated evenly across its entire surface.<\/p>\n\n\n\n

      5. Sudden changes in ambient temperature.<\/h3>\n\n\n\n

      Cold drafts in the print area can affect the temperature of the part while printing and contribute to warping.<\/p>\n\n\n\n

      If your heated bed is clean, with good adhesion, well leveled, and your temperatures are correct, your print can still fail due to blows of cold air<\/strong>.<\/p>\n\n\n\n

      Not only can it peel off and warp, but it can also cause what is known as "cracking" which refers to "peeling off layers" leaving gaps in your part.<\/p>\n\n\n\n

      When printing technical materials such as ABS, PETG or Nylon you must take special care with the air currents<\/strong>, since they can ruin your work.<\/p>\n\n\n\n

      Controlling temperatures is a key point to prevent warping or deformation of your<\/strong> parts<\/strong>.<\/p>\n\n\n\n

      Youtube video: Lab-Robotics Spanish<\/a><\/a><\/span><\/p>\n\n\n\n