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Last updated on 2024年8月20日

How can you prevent warping issues during the 3D printing process to maintain precision output?

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Warping during 3D printing can be a frustrating issue that compromises the precision of your outputs. It occurs when different parts of your print cool at different rates, causing the material to contract unevenly and parts of the model to lift away from the build plate. This can lead to prints that are not only aesthetically displeasing but also functionally defective. Fortunately, there are strategies you can implement to minimize warping and maintain the high quality of your 3D printed components.

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1 Heat Control

Maintaining a consistent temperature throughout the printing process is crucial for preventing warping. You should ensure that the build platform is heated to the recommended temperature for the material you are using. A heated bed maintains a uniform temperature at the base of the print, reducing the temperature gradient that can cause uneven contraction and warping. Additionally, consider using an enclosure to protect your print from drafts and to contain the heat, which further stabilizes the temperature around your print.

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Rajeev Kulkarni

Three decades in 3D Printing | Business Strategy ? Innovation ? Entrepreneurship ? M&A
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Assuming you are referring to the Plastic extrusion process, here are the key areas to calibrate and control: Proper adhesion Bed temp Printing temp Enclosed Printing Proper cooling Layer height Print speed Print bed level Part design Filament quality

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Sophie Grebert

Conceptrice 3D ?? - Imprimeur 3D par Fabrication additive ??- Je crée vos solutions ?? par l'impression 3D: réparation, innovation, prototype, série.
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Certains polymères -notamment les "hautes températures"- et élastomères ne supportent pas le changement de température et encore moins les courants d'air. Non content de créer des gauchissements, cela peut influer aussi sur les dimensions à cause de rétractations. Il est important de travailler au maximum dans une température controlée afin d'obtenir le meilleur résultat possible.

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2 Adhesion Aid

Improving bed adhesion is key to preventing warping. A print that sticks well to the build plate is less likely to warp. Use adhesives like glue sticks, hairspray, or commercial 3D printing adhesives on the build plate to increase grip. Some printers have build plates with special coatings designed to enhance adhesion. If you're using a material that's prone to warping, such as ABS (Acrylonitrile Butadiene Styrene), consider applying these adhesives or upgrading your build plate to one that is specifically designed for high-adhesion.

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Sophie Grebert

Conceptrice 3D ?? - Imprimeur 3D par Fabrication additive ??- Je crée vos solutions ?? par l'impression 3D: réparation, innovation, prototype, série.
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Chez DP3D mis à part cas exceptionnels, nous n'utilisons pas d'adhésif - d'autant que ce n'est pas normé FDA. Très souvent, une bonne calibration du plateau suffit. Mais cela implique de vouloir passer du temps sur les réglages de bases, d'avoir un plateau propre, et des filaments appropriés. Voire pour la SLA, d'avoir caractérisé sa résine pour connaitre les temps corrects de polymérisation de la base en fonction de ses machines.

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Igor Engel Cansian

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Fatores como o tipo de aderência das mesa e temperatura para o material utilizado, precisam estar em dia. Em caso de persistência do problema procure utilizar recursos de software como "BRIM" com número maior de linhas e ou camadas de contorno da pe?a, auxiliando na aderência da mesma, além deste temos ainda o recurso "Tab Plus" para utiliza??o em cantos vivos da pe?a. Nunca mais você terá problemas de Warp nas pe?as.

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3 Material Matters

Choosing the right material can greatly impact warping. Some materials are more prone to warping than others due to their thermal properties. For instance, ABS is known for its tendency to warp, whereas PLA (Polylactic Acid) is less susceptible. If precision is paramount and you frequently encounter warping issues, it might be worth switching to a material with lower thermal contraction or using specialized filaments engineered to reduce warping.

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Juan Carlos Cruz Robles

Additive manufacturing innovator | 3D printing | Product management | Researcher| Engineer
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Materials and processes definitely matters. For example on SLA or DLP, the cure depth or exposure penetration matters for how hard the first layers are going to adhere to the build plate. Another common mistake is the assumption that all supports work the same for everything! Support anchors are meant to be altered to get the right combination of support and easiness to break when the part is finished.

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4 Layer Logic

The settings you use in your slicing software can also affect warping. Printing with a higher initial layer height can help with adhesion, as it allows more filament to contact the build plate. Slowing down the print speed for the first few layers gives the material more time to bond to the bed. Additionally, adjusting the cooling fan settings is crucial; too much cooling too quickly can exacerbate warping. Gradually increasing fan speed after the initial layers can help mitigate this issue.

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Quincy Acklen

Senior Technology Leader
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Avoid sharp outside corners on the first layer ever (or especially) on a brim or raft. Those sharp corners pull the material back in the other direction and work against that precious bed adhesion.

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5 Design Dynamics

Designing with warping in mind can save you from a lot of hassle. Adding rounded corners instead of sharp ones can reduce stress concentration, which in turn minimizes warping. Consider incorporating a brim or raft into your design, which are additional lines or layers of material that surround your print or sit underneath it, respectively. These create a larger surface area for adhesion and help hold down the edges of your print.

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Igor Engel Cansian

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Cada método de fabrica??o depende do material que é utilizado, com o ganho de experiência você irá moldar seus designs para encontrar solu??es e otimizar seu tempo, evitando a perda de insumos.

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Sophie Grebert

Conceptrice 3D ?? - Imprimeur 3D par Fabrication additive ??- Je crée vos solutions ?? par l'impression 3D: réparation, innovation, prototype, série.
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Avant de concevoir un quelconque projet, il est important de s'interroger sur la manière dont va être imprimée la pièce (technologie, matériaux, etc..). A partir de là, on enlève des contraintes tel que le gauchissement.

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6 Calibration Counts

Regularly calibrating your 3D printer ensures that it operates at optimal conditions, which is essential for preventing warping. Make sure that your build plate is level and that the nozzle height is correctly adjusted to lay down an even first layer. A well-calibrated printer lays down material consistently, providing a strong foundation for the rest of the print and reducing the likelihood of warping.

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How can you prevent warping issues during the 3D printing process to maintain precision output?

1

2

3

4

5

6

1 Heat Control

2 Adhesion Aid

3 Material Matters

4 Layer Logic

5 Design Dynamics

6 Calibration Counts

3D Printing

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How can you prevent warping issues during the 3D printing process to maintain precision output?

1

2

3

4

5

6

1 Heat Control

2 Adhesion Aid

3 Material Matters

4 Layer Logic

5 Design Dynamics

6 Calibration Counts

3D Printing

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