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    [id_post] => 66
    [meta_title] => How to paste 3D printing pieces
    [meta_description] => Users of a 3D printer always aspire to make increasingly complex and larger pieces, but often they are limited, not by their knowledge, but by their 3D printer or the incompatibility of making a piece in one part. The simplest and most economical solution is to make a piece in parts and then paste them.
    [short_description] => Users of a 3D printer always aspire to make increasingly complex and larger pieces, but often they are limited, not by their knowledge, but by their 3D printer or the incompatibility of making a piece in one part. The simplest and most economical solution is to make a piece in parts and then paste them.
    [meta_keyword] => 
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Users of a 3D printer always aspire to make increasingly complex and larger pieces, but often they are limited, not by their knowledge, but by their 3D printer or the incompatibility of making a piece in one part. The simplest and most economical solution is to make a piece in parts and then paste them. Below we present the types of adhesives, types of joints and recommendations for pasting parts successfully:

Types of adhesives

At the beginning of 3D FDM printing, conventional glues were used for the PLA and ABS solutions to glue this material together. These types of adhesives are in disuse because the union was unsuccessful in certain situations, such as in humid, cold environments or in cases where the pieces were exposed to vibrations. With the evolution of technology, specific adhesives for 3D printing have been developed to avoid the problems mentioned above, such as PrintaGlue, a glue with a drying time of 30 seconds and valid for most existing filaments. We can also find specific glues for nylon filaments, specifically the Taulman Complete. This product was developed because conventional adhesives did not penetrate the smooth and slippery surface that this material usually presents.

Finally, companies known internationally as LOCTITE, have developed specific adhesives for 3D printing and valid for all existing technologies: FDM, SLS, SLA, DLP and more. Its flagship products are the LOCTITE 3DP Instant Bonder, a cyanoacrylate glue that is ultra-fast (a few seconds) and has a single component; and the LOCTITE 3DP Universal Bonder, a two-component (cyanoacrylate / methacrylate) glue that is cured in a few minutes (3-6 min), ideal for gluing all types of pieces or even filling holes.

Types of unions

Once the adhesive that best fits the piece and the material has been chosen, it is necessary to study which is the best joining geometry between the parts. Normally, users make flat and parallel cuts to join pieces, but this type of union offers results of low adherence compared to other geometries. The recommended types of connections are shown in the following table:

JointButtScarfStepped
scarf
Stepped
lap
Tongue
and
groove
Saw
tooth
Selt-Alignment None None Better Better Best Best
Bond Area Good Better Better Better Better Better
Stress Distr. Good Better Better Best Best Best
JointSelt-AlignmentBond AreaStress Distr.
Butt None Good Good
Scarf None Better Better
Stepped scarf Better Better Better
Stepped lap Better Better Best
Tongue and groove Best
Better Best
Saw tooth Best Better Best
Chart 1: Types of union. Source: LOCTITE

To facilitate the manufacture and subsequent joining of the parts of a piece must take into account the efforts that will support to choose the most favorable type of union and incorporate it into the design.

Recommendations

Like painting or surface treatment of a part, to glue parts of a piece or several pieces together, follow a series of recommendations.

The first step is always to clean the surfaces that you want to join and ensure that they are free of dust, grease, oils or resin without solidifying in the case of pieces made by 3D resin printing. For the previous step there are products such as LOCTITE SF 7063, which effectively remove all types of dirt. Once the surfaces are clean and dry, apply a layer of adhesive on one side to join and assemble the parts exerting a slight pressure to achieve full contact between the surfaces during the curing time of the adhesive. Finally, the excess adhesive must be removed before it solidifies or afterwards sanding.

Following the recommendations of this article, it is sure to increase its manufacturing power, obtaining larger pieces and complexity without problem. Do not hesitate to comment if you have questions and share in our social networks all the pieces and designs you make using the tips mentioned.

Do you want to receive articles like this in your email?

Subscribe to our monthly newsletter and you will receive every month in your email the latest news and tips on 3D printing.

* By registering accept our privacy policy.

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  • How to paste 3D printing pieces

    How to paste 3D printing pieces

    Users of a 3D printer always aspire to make increasingly complex and larger pieces, but often they are limited, not by their knowledge, but by their 3D printer or the incompatibility of making a piece in one part. The simplest and most economical solution is to make a piece in parts and then paste them. Below we present the types of adhesives, types of joints and recommendations for pasting parts successfully:

    Types of adhesives

    At the beginning of 3D FDM printing, conventional glues were used for the PLA and ABS solutions to glue this material together. These types of adhesives are in disuse because the union was unsuccessful in certain situations, such as in humid, cold environments or in cases where the pieces were exposed to vibrations. With the evolution of technology, specific adhesives for 3D printing have been developed to avoid the problems mentioned above, such as PrintaGlue, a glue with a drying time of 30 seconds and valid for most existing filaments. We can also find specific glues for nylon filaments, specifically the Taulman Complete. This product was developed because conventional adhesives did not penetrate the smooth and slippery surface that this material usually presents.

    Finally, companies known internationally as LOCTITE, have developed specific adhesives for 3D printing and valid for all existing technologies: FDM, SLS, SLA, DLP and more. Its flagship products are the LOCTITE 3DP Instant Bonder, a cyanoacrylate glue that is ultra-fast (a few seconds) and has a single component; and the LOCTITE 3DP Universal Bonder, a two-component (cyanoacrylate / methacrylate) glue that is cured in a few minutes (3-6 min), ideal for gluing all types of pieces or even filling holes.

    Types of unions

    Once the adhesive that best fits the piece and the material has been chosen, it is necessary to study which is the best joining geometry between the parts. Normally, users make flat and parallel cuts to join pieces, but this type of union offers results of low adherence compared to other geometries. The recommended types of connections are shown in the following table:

    JointButtScarfStepped
    scarf
    Stepped
    lap
    Tongue
    and
    groove
    Saw
    tooth
    Selt-AlignmentNoneNoneBetterBetterBestBest
    Bond AreaGoodBetterBetterBetterBetterBetter
    Stress Distr.GoodBetterBetterBestBestBest
    JointSelt-AlignmentBond AreaStress Distr.
    ButtNoneGoodGood
    ScarfNoneBetterBetter
    Stepped scarfBetterBetterBetter
    Stepped lapBetterBetterBest
    Tongue and grooveBest
    BetterBest
    Saw toothBestBetterBest
    Chart 1: Types of union. Source: LOCTITE

    To facilitate the manufacture and subsequent joining of the parts of a piece must take into account the efforts that will support to choose the most favorable type of union and incorporate it into the design.

    Recommendations

    Like painting or surface treatment of a part, to glue parts of a piece or several pieces together, follow a series of recommendations.

    The first step is always to clean the surfaces that you want to join and ensure that they are free of dust, grease, oils or resin without solidifying in the case of pieces made by 3D resin printing. For the previous step there are products such as LOCTITE SF 7063, which effectively remove all types of dirt. Once the surfaces are clean and dry, apply a layer of adhesive on one side to join and assemble the parts exerting a slight pressure to achieve full contact between the surfaces during the curing time of the adhesive. Finally, the excess adhesive must be removed before it solidifies or afterwards sanding.

    Following the recommendations of this article, it is sure to increase its manufacturing power, obtaining larger pieces and complexity without problem. Do not hesitate to comment if you have questions and share in our social networks all the pieces and designs you make using the tips mentioned.

    Do you want to receive articles like this in your email?

    Subscribe to our monthly newsletter and you will receive every month in your email the latest news and tips on 3D printing.

    * By registering accept our privacy policy.

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