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Thanks Pud and Dgallup. I had not thought about PM but I will find out and get some quotes. Thanks again, Bertho www.Vinland.com

Thank you Roland, I realize that improved performance is likely to add cost for better gears. I am just trying to find the right compromise. There is good lubrication to start with. The mess seen is the particles from the worn out gears mixed with the original grease and some external...

Thanks Ted, I have been looking at "metal injection molding" as an option but worry about tolerances and how well the sintered metal will perform. I am familiar with investment casting of jewelry but not for steel. Is investment casting cost-effective for low-cost consumer items? The gear teeth...

Thanks 3DDave, I have tested pressing in a "pre-oiled" bronze bushing. See: Although helpful, the labor cost of adding that to the 5 gears is not practical. Good point about life testing. In this case it appears to be OK since the failures seen are duplicating field failures. Bertho...

I need to improve the life of a small gearbox used in coin dispensers. The current material is similar to Zamak 2. There are 5 die-cast gears, M0.8 12 through 42 teeth. The shafts are 1/8" dowel pins. They are driven by a 12 Teeth brass gear on a small electric motor. Unfortunately dirt from...

Update: Eventually I found on the install DVD: d:\solid edge\spt\tools\SECleanupAll.exe It fixed the problem. Bertho

Thanks RAMviking for a fast reply. Unfortunately after running both Norton360 registry cleaner and ccleaner the problem is still the same. Any other suggestions? Is viking relating to your origin? Bertho working at Vinland.com

I have a licensed 64 bit version about 1.5 years old and it was working fine on Win7. I have not updated to the latest version so I can not call SE tech support. The program has not been used for about half a year and when trying to use it today I got a message saying it was not registered or...