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group Hope some one can help me in this, I was reading about rubber fouling in the forum and in the article it says a magnetite coating can prevent rubber fouling, we have a similiar issue in our process but I am not able to find any metal finishing company who can do " Magnetite coating" some...

Yeah I got this, but my preps have to have fabric for reinforce and also most the silicone I will be using is FR

I am not sure what you are saying?

Excellent buddy, will try the ideas

Well with the salt I think you may be right it is leaving a trail of moisture on the surface and when it comes in contact with rubber it wont cure, I am trying to post cure the cores at 100 F for 10-15 min and then lay rubber and cure the part For first two processes I used mold release agents...

thanks trueblood Well I had tried tin bismuth alloy but it leave the residue inside the part which may cause problems, I had also tried ceramic sand mixture which still left residue after washing, currently I am trying draw salt ( mixture of potassium nitrate and soadium nitrites) which works...

Silicone rubber has a good tear strength, we are in silicone rubber parts and some of the silicone rubber we do has mod @ 300 % elongation is about 1000 psi which is prety good. you cannnot cast the silicone rubber, it will not cure, you need both temp and pressure to cure the silcone rubber...

Hello guys I am not sure if any body can help me in this, I am looking for material like wax which melts at 300 deg F and can be reuse again and again. I want use it is for making hollow silicone rubber parts, my idea is to mold the hot molten wax in the required shape and wrap silicone rubber...

Hi guys thanks a lot for your help, I think I was calculating right but was not confident. Now I am

hey guys Can some one help me how can we convert PSI into lbf. I am working on one testing fixture whose gauge reads 40psi, I want to convert to lbf, coz the specs in the test is 300lbf. Is some know how we can convert it.

the overall part dimensions are 2.197 Nom, with tol of 0.020". I want to achieve the parts dim to 2.212 ie 0.015" over so that when it shrinks it comes to Nominal. but currently my parts are coming -0.010" after shrinking. The mold heat is controlled by the builtin heaters with thermocouples...

Thanks Ornerynorsk for replying. I start with half pot and then make the pot full and then run the mold by placing a small lump of rubber in every heat. It is a 8 Cavities 24"X24" mold with a 19" POT. The pot clearances is tight. The shrinkage was calculated to 2.75% and was added to the...

Hello Guys Hope there are some guys who know about troubleshooting rubber transfer molding process. I am running the mold on specific parameters for rubber molding and every time the parts comes small when measured. I tried to reduce the temp and increase the pressure but didnt help. Is any...

Hello I am an Industrial Engineer too from India I came to Canada in 2004 with an 6 yrs experience in manufacturing but when I came to canada no one accept my experience everyone ask for canadian experience. I work for 2yrs as machine operator and by the time I had given my education...

Nice Amazing models, If I had $$$ I would have buy them

Do the 5S in your area you will find lots of loop holes that you can cover to reduce the setup time

In our company every single project task is given to all related dept, like sales projection goes to sales dept, similiar product data collection goes to production dept etc etc. We are using ARAS which is really a good software to track each project in APQP.