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Great explanation Compositrepro. Thanks a lot for your help. Sorry I have a last question, so if the probe valve connected to the Autoclave suffers some type of clog by resin or reduced the amount of flow reading due a collapsed N10, this will be shown as leak (pressure under the bag) but not...

Thanks a lot for your response Compositepro, really apreciate your valuable help, parts are coming out very good they look great with no indication of any issue at all, usually the customer specifications request a test coupon per part for each Autoclave cure but this one doesnt so we dont have...

Hello Everyone ! Once again here requesting for your valuable support as always, we are curing a Composite part on a Autoclave, the specification request a 60psi pressure and 350°F cure for 110 minutes, the part consist of 3 plies of carbon fiber prepreg, we are noticing the air breather is...

SWComposites (Aerospace) Below are a few answers : Really appreciate your support ! 1) don’t expect an answer here in a few hours. We all have real jobs. 2) what is the part configuration? Laminate? Sandwich panel? Adhesive? What is the resin system? This is a sandwich sidewall panel...

Thanks a lot for your response Compositepro: The Specification request to Soak from 60 to 90 minutes at 260°F +/- 20°F once the lagging thermocouple has reach the minimum cure temperature which on this case should be 240°F but instead it was placed 250°F on the recipe, the recipe was set up to...

SWComposites's Compositepro Is it possible that you could please help on this topic? I really appreciate

Good morning Gentleman, I have a problem that I would like your support with if possible in order to place a good rationale justification to accept some parts that were oven cure for a longer period of time than what the specification request. Heres the situation we cured some parts on the...

Hello, I have a question why the phenolic prepregs get a different cure cycle than the epoxy ones. Customer request a dwell or stabilization step for 30 minutes for the phenolic prepreg at temperature of 175°F to 185°F. After those 30 minutes the temperature goes up again up to 260°F for 90...

Hello ctopher, I'm asking about the layup tool. Thanks !

Hello ! I have a question for the experts, is there any amount of layup pulls (usage) for a composite laup tool to start getting weak or to present internal leaks? I heard years ago that usually a fiber glass layup tool can last between 60 up to 100 pulls, but also it depends the temperature...

Thanks a Lot for your helpful support! It's really apreciatted!! Thank you gentleman!!

Compositepro Thanks a lot for your reply. I dont have Aipad material but do have a material from airtech called Pressure Strip, do you think this might work similar to the Airpad? pressure strip comes similar to vaccum bag sealant presentation of 1" strip rolls. Thanks a lot for your great...

Hello Berkshire, thanks for your reply, No I have not tried any felt, we have a felt called Pyropel is that the one you mean? so this felt can be used instead of the press pad? or can be placed under the composite press pad I made? I was also thinking to bond N10 to the press pad made so I can...

Hello, I would like to ask for suggestions on how to make a press pad or something similar that help me on the radius area of a part, this area is critical for next assebly of the part, this is located on the bag side of the part on the top edge of it, I made a fiber glass press pad using a...

Thank you all for your GREAT SUPPORT !!

Hello Compositepro and SWComposites thank you very much for your quick response is greatly appreciated, below are the answers: Do you believe that the 10 psi you measured is representative of every location under the bagging film? Where is your gauge and where is the leak? Sorry I made a...

Hello partners, I have a topic that would like your expertise support. I work on a composites company on which we cure some of the parts using autoclave pressure, the process specification does not mentions anything about bag leak requirements, the only the specification calls for is a pressure...

Thank you very much Berkshire, the problem I see on the Canvas is that it seems to be for flat areas but this one has several radious areas, or it can achieved any radious or shape we need? Thanks a lot!

Hello, I will try to make a rout tool to trim some parts from production that are scribe line trimmed at the moment, I have a little knowledge about making tools. But not so sure what would be the best option for Resins and Cloth type to use for a rout tool, does any person on the forum can...