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Tip To Solve Plastic Cover Housing Problem

By on June 28, 2021
Tip To Solve Plastic Cover Housing Problem







This time I wanted to share with you this “Lessons Learned”. I repaired a diode laser but soon it came back due the customer is complaining housing is now open…

plastic housing broken repair

Picture sent by my customer

Let me try to explain the problem- Plastic housings close by the action of the screw which keeps both pieces tight.

But sometimes the plastic broke and screw could not make his function

secret to fix plastic housing problem

Even adding glue to plastic it will sooner or later broke again. This was the case because I glued with super glue cyanoacrylate and it worked only for weeks…

By the way, I learned from my wife a good trick: cyanoacrylate + baking soda (powder) or flour can make a stronger joint! Nevertheless, it did not work for the plastic housing. This time I do something different.

how to solve bolt plastic break problem

I bought larger bolts and glued a hose in order to have a stronger contact area and the result:

how to join a plastic casing

I hope you like my shared experience!

This article was prepared for you by Francisco Maciel Barba from MacBar Re-Guadalajara, Jalisco, Mexico. Francisco is a Mechanical and Electrical Engineer and owns a shop in repairing SPA Medical Equipment. He will be 50 year old this coming July and has been in this repair line for 15 years and love electronics since 12 years old.

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You may check on his previous article on Steam Autoclave Board Repair




  1. Tayo

    June 28, 2021 at 11:35 am

    Good tip! Thank you for sharing.

  2. Albert van Bemmelen

    June 28, 2021 at 1:12 pm

    The cyanoacrylate + baking soda trick is a good one. Sadly I never bake so I in the past used some other glue which I mixed with the cyanoacrylate glue (superglue). That also made a stronger and faster hardening material. And it helps in times when the mostly hard plastics are not porous enough to attach to. And if you have old rather expensive silver glue that hardened out you still can reactivate the glue by adding some nail polish remover or acetone to it and stir both.

  3. Mario

    June 28, 2021 at 2:49 pm

    This is a great trick to help cyanoacrilate (super glue) to cure, because this glue NEEDS something to stick on, just as concrete needs stones mixed to it, to be more rugged. Anyway I still haven't found a good solution to glue things together when bigger areas of the encasing is damaged.

  4. Yogesh Panchal

    June 28, 2021 at 4:29 pm

    Good Job! Sir,

  5. Parasuraman S

    June 28, 2021 at 4:58 pm

    Good Tip! Nice to know about you! All the very best!

  6. Henrique J. G. Ulbrich

    June 28, 2021 at 7:39 pm

    I enjoyed the tip. Greetings, Francisco. Saludos de Brasil.

  7. Robert Spoon

    June 28, 2021 at 8:21 pm

    Thanks for the hose tip, I repair musical keyboards and run into this all the time. I'll use this for sure, Thank You!

  8. Anwar Y Shiekh

    June 29, 2021 at 12:09 am

    The hose trick is clever and worth noting.

  9. Josh

    June 30, 2021 at 12:07 am

    thanks for the tips!I discovered a glue tip that I have founf very useful.I mix a corn starch and a clear pure silicon together .1/2 to 1/2 of each.This will form a very strong mold or form to hold your screw in to the case,plus bond the plastic too.

  10. Humberto

    July 14, 2021 at 12:06 am

    Bueno su tip señor, lo he usado anteriormente con muy buenos resultados, aunque confieso que lo he usado sin tener en cuenta el pegado con glue. Gracias mil.

    Well your tip sir, I have used it previously with very good results, although I confess that I have used it without taking into account the gluing with glue. Thanks a thousand.


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