Not sure if you're talking about using this method routinely to dial a part in or as a one-time method for correcting a chuck.
As a routine method, chuck the part lightly, indicate, tap the high jaw with a soft hammer, snug a little tighter, indicate, tap the high jaw, repeat until tight and...
Aliexpress is in China. The Chinese have never been believers in copyrights, patents, intellectual property rights etc. It's cultural, they were "borrowing" jdeas from each other long before our ancestors quit wearing animal skins.
I had this same problem, like I had suddenly forgotten how to weld. I could feel the puff of gas when I stepped on the pedal. Blamed it on bad gas, LWS replaced it. Same problem. Discovered that the gas hose had been damaged right where it exited the front of the welder. Must have bumped it with...
Bobw was describing a situation where blocks were held at elevated temperatures for an extended period. This caused them to over-age and become softer. Not really related to your situation.
Others above have explained how to soften the aluminum (solution treat) before pressing. Over time, or...
I believe what you are referring to is termed "over-aged", which is what happens when the process of precipitation is allowed to continue beyond the point where maximum strength/hardness is achieved.
Another Bosch here, had it for about 15 years. My wife loves how clean it gets the dishes. Recently started acting up, not filling with water consistently. My wife figured out a sequence that makes it fill (start, let run about a minute, open & close door, start again). I'll get around to fixing...
I recently encountered this same problem. I was able to drill the holes using carbide, but there was no way I was going to break a tap off in that part. Someone recently suggested what should have been obvious, spot anneal with TIG.
I was just doing this, parting off M8 set-screws. My .06 parting bladed wobbled back and forth with the thread. Switched to a .09 blade, problem solved.
Even the most economical zirconia belts blow the doors off aluminum oxide. I get very good life from the Powertec belts on eBay. Just shredded the first one after more than a year. It was still cutting fine. Haven't tried ceramic yet, haven't felt the need. I store both belts and discs in the...
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