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Polyurethane De-Lamination Formula
I'm a design engineer for a well established a bearing manufacturer. We have recently in the last few years added products to our catalog that include a Cam follower and Yoke type bearing with a Polyurethane tire molded to the outer ring by means of a bonding agent. We did some test studies to...- sgwilliams
- Thread
- Replies: 2
- Forum: Polymer engineering
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Motor Oil In A Vacuum
I beleive, I may be wrong, that the vacuum is to suck the air from the material and it takes a while maybe 24 hours for all the air that will ever come out, to come out. then when the vacuum is released the empty space where the air was inthe material is filled instantly with the oil it is...- sgwilliams
- Post #10
- Forum: Mechanical engineering general discussion
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Motor Oil In A Vacuum
To add to this post, i just wanted you all too know that there are small heated canister type vacuum systems available for around $350 that will accommodate this process. If you are interested let me know and I'll send you the vendor information.- sgwilliams
- Post #8
- Forum: Mechanical engineering general discussion
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Motor Oil In A Vacuum
Luckily after discussing this with our purchasing department the material supplier had already sold us impregnated material, the material certification did not specify it was impregnated. the material item number did which was overlooked by myself and the other engineers. It's no longer an...- sgwilliams
- Post #7
- Forum: Mechanical engineering general discussion
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Motor Oil In A Vacuum
Yes we looked at this but the material specification is a requirement from the customer for SAE 841 Sintered Bronze w/ ND SAE 30 motor oil impregnation. This customer will not alter on their specification as they are design responsible we are just manufacturing the item for them.- sgwilliams
- Post #5
- Forum: Mechanical engineering general discussion
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Motor Oil In A Vacuum
We decided to NOT put this in the vacuum furnace and will just buy a small vacuum system with a heater attached to do process these. It's a very small investment and I have a feeling we will be doing many more of these products anyways so it justifies the cost. Thanks for the input EdStainless!- sgwilliams
- Post #4
- Forum: Mechanical engineering general discussion
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Motor Oil In A Vacuum
We are creating some bushings out of sintered bronze bar stock. We need to impregnate the bushings with oil so they will be self lubricating. The general practice as I have read is to immersing the bushings in SAE 30 motor oil heated to 150-175 degrees Fahrenheit in a vacuum. This is supposed...- sgwilliams
- Thread
- Replies: 11
- Forum: Mechanical engineering general discussion
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Autodesk Inventor/Vault v.s. Solidworks 2011/PDM
Well since my posting our Management and Owner of our company had a long sit down and even tho our reseller did not fully disclose the new charges until after we committed, we decided stay with Autodesk and buy from a new reseller one who has full support for the products it sells. Our last one...- sgwilliams
- Post #6
- Forum: DASSAULT: SOLIDWORKS 3D Design
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Autodesk Inventor/Vault v.s. Solidworks 2011/PDM
Our company is in the process of deciding wether we will continue to use Autodesk Inventor with Autodesk Vault PDM or if we will move to a new system. We are a bearing manufacturer and generally do not have very complicated assemblies less than ten items per assembly. The only complicated...- sgwilliams
- Thread
- Replies: 5
- Forum: DASSAULT: SOLIDWORKS 3D Design
