Does anyone know what's Gate Blush?
It is possible to view the gate blush effect on plastics?
The area in red is gate blush AFAIK. I doubt possibility of simulating the effect as this is something you can not predict.
Different things to different people.
I've always heard it used when referring to surface blemishes at the gate area caused by the flow of plastic. What Deepak is showing appears to be a de-gating mark/blemish/vestige from a sub-gate.
Here is an example of what I'm used to people referring to when talking about "gate blush":
Notice how it is clearly visible that the gate is in the center of the part. This is NOT the side of the part that has the gate. The gate is on the backside of the part. What you are seeing on this side of the part is often referred to as "gate blush".
I'm not sure if any of the moldflow analysis programs indicate if there will be gate blush.
You can look at the analysis of how it fills and decide from experience - highly dependant on colour and polymer. Though as you probably know surprises sometimes happen. You may need to edge gate to avoid the problem I guess. You probably know all this as I'm guessing you have been in the game for a few years
That part you are showing has it got glass in it? Sure looks like it has.
It's a structural foam part. Due to the addition of a foaming agent into the material, structural foam molded parts are notorious for always having excessive gate blush and flow lines.
Oh yes see it now, makes sense structural foam with the marks and the size of the thing.
Agreed. This is what I was taught is "blush" as well. Not sure what the OP is talking about.
To me this looks like a poorly machined subgate.
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