On the general industrial before mass production, will have a small batch production stage, used to detect the product performance and market demand, can't blind production, otherwise the product backlog, eventually lead to unnecessary loss.
Believe that everyone should also won't hope you have the product backlog, unnecessary money stranded.
< br /> < br /> a, prototyping so-called prototype, is we to small batch production of products, we must have a product to make a mold.
Prototype making 3 d printing is generally selected or traditional CNC machining
General manufacturing complex 3 d printing prototype, and the traditional structure of CNC are generally made of relatively uniform structure.
2, mold making this is the most core steps, mold quality directly determines the quality of the products.
So this part to special specifications.
< br /> first according to the size of the product to make the mould boards, so that later pouring liquid silicone.
Then reserved hole fixed to the prototype, you also need to put some positioning pins, so as to ensure the accuracy of the mold, to prevent deformation of mould, then use flat board as a positioning plate.
Used to fixed liquid silicone, and then put it aside.
< br /> configuration liquid silicone, then mixed with a certain proportion liquid silicone and curing agent, because in the process of mixed into the air, affect the quality and density of liquid silicone, so will be configured liquid silicone deaeration processing in vacuum machine.
In order to guarantee the quality of deaeration, requires repeated deaeration 2 ~ 3 times.
< br /> will then be configured liquid silicone pouring into the positioning plate, this process is still in contact with air, so also should make the deaeration treatment in a vacuum machine.
< br /> after remove deaeration good coaming, into the oven for curing.
By this time the effect of curing agent is out, it can reduce the curing time of liquid silicone.
< br /> remove good coaming curing, the next step is to open mold phase, remove the positioning plate, pull out the dowel pin.
Molding process is very important, difficulty is great, so looking for experienced master processing, or will affect the precision of the mould.
Generally, open mould are adopting a saw-toothed mould.
< br /> < br /> after open mold, take out the prototype, in this way, liquid silicone mold is ready.
< br /> three, vacuum casting then we can use our production mold for vacuum pouring, all this is done under the condition of vacuum, pressure difference is used to change the material injection mold, pouring is completed to curing in the oven, then put the workpiece in the mold can be removed.
Next we just repeat complete vacuum pouring process finished workpiece small batch injection.
< br /> special remind: the material easy to corrode in certain chemical liquid, do not recommend to contact concentrated solvent, oil and after dilute sodium hydroxide solution, lest cause corrosion and damage.
< br /> new laser silica gel complex mode service, each mold can be repeated use of about 50 times, there are white, black, transparent, soft glue three products.
main application: medical, automotive, 5 g industry of rubber seals, etc.
In an age when Products is increasingly important, the researchers believe manufacturers should pay close attention to their results.
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