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Casting vs injection molding—which method works better?

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lturner82
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Injection molding is more reliable for stuff that gets daily abuse, but the up-front work—designing the mold, dialing in temps—can be a pain.

That’s been my experience too. Have you ever tried using vacuum degassing for casting? It helped me cut down on bubbles, but it’s another step. Curious if you’ve found any tricks for getting consistent wall thickness with casting, especially on complex shapes.


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margaretj31
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Honestly, I’ve always leaned toward casting just because the up-front costs are way lower. I get the appeal of injection molding for durability, but when you’re on a tight budget, it’s hard to justify those molds. I’ve tried vacuum degassing too—works wonders for bubbles, but yeah, it’s another gadget to buy. For wall thickness, I’ve had some luck rotating the mold while it sets, kind of like slush casting. Not perfect, but better than nothing. Sometimes you just gotta get creative when you can’t throw money at the problem.


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cshadow20
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Casting Vs Injection Molding—Which Method Works Better?

Honestly, I think you’re spot on—creativity goes a long way when the budget’s tight. I’ve done the rotating mold trick too, and while it isn’t always perfect, it gets the job done. Sometimes working with what you have just feels more satisfying than buying your way out of every problem.


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