is it possible to reuse a mold for another detail?

[Mold]

good evening to the whole forum,

I have a problem I have to solve in a few days.

I have a complete 346 x 346 plywood mold with a stamp.
in figure there are 2 prints of a particular 160 x 45 x 3 mm
The mold has always printed well and now the detail went into obsolescence.


is it possible to reuse the mold by replacing the figure tile with a new one?


What kind of trouble could I have?


is widespread practice reuse a mold?



thank you in advance to those who help me.

 

[SHIREN]

good evening to the whole forum,

I have a problem I have to solve in a few days.

I have a complete 346 x 346 plywood mold with a stamp.
in figure there are 2 prints of a particular 160 x 45 x 3 mm
The mold has always printed well and now the detail went into obsolescence.


is it possible to reuse the mold by replacing the figure tile with a new one?


What kind of trouble could I have?


is widespread practice reuse a mold?



thank you in advance to those who help me.

Hi.
Sorry the short answer

I changed operator a bone
Anyway
a portastamp 346x346
costs 300- 350 euri
you can recover everything
but is it worth it? ? ? ?
Thank you very much

 

[meccanicamg]

the mold from as you say is formed by two plates with columns and compasses guide more matrix and punzone screwed to the flat plates.
if you don't have time and money you can well unscrew the dowels and reassemble a matrix and punch of new geometry.
Keep in mind that you have to be well centered in reassembly, so screws and thorns detect them well if you don't have a design.

 

[Mold]

Hi.

Thanks to everyone for the answers, I didn't think I had answers.


> can all be recovered but is it worth it?? ? ? ?
a new mold door will cost too little but what I have is already ready: jobs, man time. gaskets, cooling and also has already printed.

>> Keep in mind that you have to be well centered in reassembly, then screws and thorns detect them well if you do not have a design.
Okay thanks, they should be standard metrics.


I still have a few questions about the work of the two new dowels. I ask you that I don't have cnc or dive erosion, and so I have to do the work to an external supplier.

The new detail is a fairly small shell 70 x 45 x 7 mm and I thought I'd make two prints.


1. the detail is designed for surfaces and the outer contour has fittings in class a.
I'm thinking about making an electrode that erodes the dowel without passing through the cnc.
the figure has no pockets and there will be 2 telescopes of diameter 6.

The steel of the dowels will have hrc 40 or 42 hardness and will not go in hardening.

Does this idea make a figure electrode make sense and not switch from the cnc?


2. Is it common practice for small details to make an electrode that erodes the whole figure?


3. exist companies that make copper or graphite electrodes on behalf of third parties?


4. are there companies offering dip electroerosion service on behalf of third parties?


5. the two dowels must be eroded so that the printer parts of matrix and punch are aligned.
is it possible to ask the third party not only the erosion service but also the precise alignment between the 2 dowels?


Thanks again

 

[meccanicamg]

if there is no alternative you can look for a molder that makes you cnc or male and erosion your particular.
costs are different. It usually costs less milling than making a male and then eroding the matrices.

 

[TECNOMODEL]

Hi.

Thanks to everyone for the answers, I didn't think I had answers.


> can all be recovered but is it worth it?? ? ? ?
a new mold door will cost too little but what I have is already ready: jobs, man time. gaskets, cooling and also has already printed.

Are you sure that the zipper designed for a particular one can go well with others too?
I doubt it strongly.
the air conditioning circuit, not cooling as you call it, it was designed for that piece, difficult to go well for another.
unless you are talking about very low quality molding, but I don't think the case is because you talk about surfaces in class a.
would you also be obliged to place the prints according to the previous position, this allows you to correctly position and dimensional the straightness and injections?
And the extraction? use the same extractors of the previous piece? and would be the correct position for the new one?
I agree with shiren, not worth it.
I do things like that only for prototypal molds, if the customer is not sure of the piece and must evaluate/test.

 

[Mold]

hi technomodel,

thanks for your point of view.

>> the air conditioning circuit, not cooling as you call it, was designed for that piece,
It is difficult for another to go well.

the input diameter of the canals in the stand seems appropriate to me.
I was thinking of acting on the thermoregulation unit and possibly lowering the water input temperature.


> > unless we are talking about very low quality molding, but I don't think the case
> as it speaks of surfaces in class a.
I only have the class on the outer surface of the shell.
I think, maybe I'm wrong, that it's the task of the figure dowel to leave the correct mark.


>> would also be obliged to place the prints according to the previous position,
Okay, thank you. good suggestion.

> > this allows you to correctly position and dimensional the straightness and injections?
the injection must be reviewed because the particular obsolete was injected into movies with manual detachment of the materozza.
I still have to decide the type of injection for the new detail.


>> and extraction? use the same extractors of the previous piece? and would be the correct position for the new one?
The position of the extractors will change and I will have to add 2 telescopes per figure.
some extractors maybe I can reuse them.


> > I do things like this only for prototypal molds, if the customer is not sure of the piece and must evaluate/test.
thanks for this information.


Thank you

 

[SHIREN]

Hi.

Thanks to everyone for the answers, I didn't think I had answers.


> can all be recovered but is it worth it?? ? ? ?




5. the two dowels must be eroded so that the printer parts of matrix and punch are aligned.
is it possible to ask the third party not only the erosion service but also the precise alignment between the 2 dowels?


Thanks again

hello
Sorry the delay in the answer
but after 16 days the new operator tel managed to give me an info
to have the connection
(buy a new modem):

for the 5th question
is a cad job you have to do
taking reliefs from old molds
is common practice in everyday life
but when we are in the presence of size 296x396 (more or less)
We can't even use the old windows
Thank you very much

 

[TECNOMODEL]

hi technomodel,

thanks for your point of view.

>> the air conditioning circuit, not cooling as you call it, was designed for that piece,
It is difficult for another to go well.

the input diameter of the canals in the stand seems appropriate to me.
I was thinking of acting on the thermoregulation unit and possibly lowering the water input temperature.


> > unless we are talking about very low quality molding, but I don't think the case
> as it speaks of surfaces in class a.
I only have the class on the outer surface of the shell.
I think, maybe I'm wrong, that it's the task of the figure dowel to leave the correct mark.


>> would also be obliged to place the prints according to the previous position,
Okay, thank you. good suggestion.

> > this allows you to correctly position and dimensional the straightness and injections?
the injection must be reviewed because the particular obsolete was injected into movies with manual detachment of the materozza.
I still have to decide the type of injection for the new detail.


>> and extraction? use the same extractors of the previous piece? and would be the correct position for the new one?
The position of the extractors will change and I will have to add 2 telescopes per figure.
some extractors maybe I can reuse them.


> > I do things like this only for prototypal molds, if the customer is not sure of the piece and must evaluate/test.
thanks for this information.


Thank you

I continue not to see the convenience in reusing the old portastampi, surely in order to evaluate well you should have underhand the mold models and particular new.
I would start by making ratings on the new piece as if I had to do everything of healthy plant, then choose injection, extraction, fingerprint number etc.
of course considering well the material, the production batches and the annual quantity.
Once this is done, it can also be evaluated if it is possible to reuse the portastampi, I would only do so if any changes I have to introduce are marginal.
If you have to choose, for example, the injection based on the old portastampi I see it as a wrong choice that will give more problems than advantages.
then, I repeat, if it is a low quality molding the speech changes.
However, I don't think your case is because you are blinding to classy surfaces on the outside, so in the exposed part.
wrong something can lead, for example, to a small suck, a retreat, a joint line that goes to compromise the final result requested by the customer.

 

[Mold]

Hi.

Thanks for the answer.

I continue not to see the convenience in reusing the old portastampi, surely in order to evaluate well you should have underhand the mold models and particular new.

I'm trying to get myself home to figure dowel management and I'd like to try on a used stab.

I would start by making ratings on the new piece as if I had to do everything of healthy plant, then choose injection, extraction, fingerprint number etc.

ok

of course considering well the material, the production batches and the annual quantity.
Once this is done, it can also be evaluated if it is possible to reuse the portastampi, I would only do so if any changes I have to introduce are marginal.

ok

If you have to choose, for example, the injection based on the old portastampi I see it as a wrong choice that will give more problems than advantages.

ok

However, I don't think your case is because you are blinding to classy surfaces on the outside, so in the exposed part.
wrong something can lead, for example, to a small suck, a retreat, a joint line that goes to compromise the final result requested by the customer.

I'm in class but I can always use a finishing electrode that gives it a certain grain as a finish.


Hello and thank you