Questions tagged [injection-molding]

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Injection molding - Probability of plastic pouring into connector

I have some metal pins that I want to be molded in parts of the final assembly. Meaning that, the mold will be made to accept those metal pins, which are positioned in the mold so that when the ...
user1584421's user avatar
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Practical question on force in a molding application

I have a molding machine that is holding a spring loaded mold closed. The mold is basically two blocks of steel, but one half has a slide system that is pushed open by a number of gas springs. Those ...
wenh12's user avatar
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Mechanism for turning a thumbwheel potentiometer

I am trying to devise a method (3d printing or injection molding) in order to turn a potentiometer via a thumbwheel mechanism. Take a look at this picture, from an old commercial product that I am ...
user1584421's user avatar
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2 answers
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Simulation modelling/ Digital twin of Injection molding process?

How can we make a digital twin of the Injection molding process in a production line? My idea is to do predictive maintenance and predict following downtime based on historical time series data of the ...
Satya's user avatar
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Valox 420 30% glass wear

I am seeking assistance regarding thermoplastic material wear on a new product I am developing. The attached image is molded out of Valox 420 30% glass. In the left side image, the locking dents are ...
Rob Montgomery's user avatar
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Improving O-Ring/flapper valve injection mold ->non-engineer

I make specialized flapper valves that are similar to O-Rings. The current model uses aluminum sheets as base disks that adhere to the rubber (2 part urethane). The rubber is poured into the waxed ...
Lilly Whelan's user avatar
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Is this shape possible with injection moulding?

I want to build a DIY case with the connector shown in the pictures below. As you can see, it consists of a circular plastic that extrudes from the main enclosure. Inside there is something that can ...
user1584421's user avatar
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Polymer material selection for injection molding

I'm trying to select injection moulding materials, and need some assistance to find the right products. I have a component that is made up 2 parts; an inner insert and an outer overmould. Originally ...
Nunya's user avatar
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Injection molding: What is best for a dual cavity single mold?

I would like to understand what's the best optimization in terms of design for a single mold, dual cavity of a two-part box (top and bottom parts) which should be hold together with 4 screws without ...
gregoiregentil's user avatar
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Pneumatic cylinder extension rod preloading

I've been working on converting a 500Kg pneumatic press to use it for injection molding. In order to do that though I'd like to raise the cylinder up maybe 12". So I fabricated 4 5/8 CR rods and ...
Kurt Schaefer's user avatar
12 votes
2 answers
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How was this toy made?

This is a toy for infants. My son was playing with it, and I started wondering how you could manufacture this. I can't think of any reasonably cheap way it could be done. I believe it's made of ...
Drew's user avatar
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