Bonding aluminum with epoxy... - Practical Machinist
2011年12月4日 · Agreed. I've used their epoxy to bond wood to cast aluminum, among other things. A conversion coating for the aluminum is required before bonding, but that's pretty easy. Brush it on, wait a bit, rinse it off, good to bond. I've used their epoxy for 30 years in structural applications and never been disappointed.
General | Aluminum oxidation and bonding - Practical Machinist
2009年3月12日 · layer of aluminum oxide has nearly zero thermal impedance. It won't prevent the heat from flowing, a thick layer of epoxy is a much better thermal insulator than that. If the epoxy bonds to the aluminum with oxide on the surface I would leave it at that. The issue of, is there a long-term failure by de-lamination is still worth considering.
General | Bonding Anodized Aluminum? - Practical Machinist
2019年10月24日 · I was at an EAA meeting where a fellow gave a demonstration and talk about epoxy bonding of aluminum. The aircraft he was building used epoxy for much of the structure like wing assembly. He researched the subject and found boeing had a proprietary treatment process for similar attachments.
Opinions on "Fix it" of Cracked Aluminum Wheel - Practical …
2017年3月10日 · As such, I would probably want to apply epoxy on the outer surface of the crack "too" and was considering cleaning surfaces and applying epoxy then fiberglass weave reinforcement and then more epoxy to encapsulate that and extending say a half inch or more to either side the crack on the outside and an inch or more on the inside.
General | Aluminum thread repair inserts - Practical Machinist
2011年2月7日 · I have some 5/16-18x1" aluminum studs to use for plug material. I'm going to drill and tap the holes for those, cut a small groove in the side of the hole and the insert, and epoxy the insert in place so that the grooves form a grub-screw feature with the epoxy.
Help gluing rubber to aluminum - Practical Machinist
2016年11月29日 · Backyard, homeshop bonding to aluminum. 15 minutes after abrading was the quoted time to get something on it, per the book too. However, the home building community has come up with a technique using the epoxy to "grind away" the oxide layer, under a cover of the glue. IIRC Hysol makes a epoxy with glass beads to maintain a certain glue thickness,
What epoxy for this gear case repair? - Practical Machinist
2007年8月26日 · Its an aluminum case, I'd like to use aluminum or steel filled putty, roughen the area and press it in by hand after the bearing is in place, completely filling the area all the way to the case wall, 1/2" deep I could embed some steel struts radially between the bearing and case wall and/or make a crescent shaped piece to fit in there around ...
Delrin gluing - Practical Machinist
2012年2月19日 · It's part epoxy, part meth-methacrylate[dental acrylic]. Seems to work better than most other types of adhesives for non-bondable apps. Be aware, it's somewhat flexible when cured, making it good for flexible substrates[PP,PPE, delrin, nylon], maybe less …
Best paint for a lathe (steel/aluminum) - Practical Machinist
2008年2月1日 · The primer has Aluminum in it and is what gives the corrosion resistance, and some build as well. I did 2 coats of primer and one coat of paint with a sponge brush as reccommended. The paint is very thick as well, almost like a molasses.
General | Gluing to HDPE? - Practical Machinist
2021年5月20日 · Epoxy designed specifically for low surface-energy plastics like HDPE. As always with adhesives, surface-prep is everything. At minimum I would hit the surface with an abrasive to remove any embedded dirt and then clean with IPA + a clean, lint-free wipe.