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Boot
member
Reged: 06/04/07
Posts: 15
Loc: Lions Head, Ontario
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LXD75: Worst Threads in Mounts
06/29/09 12:36 PM
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The Meade corporation has broken a cardinal rule of machine design as far as their (my) LXD75 mount goes.
The rule is this:
Screws should be made of a softer material than that into which the threads for said screw have been tapped.
Why? Beacause if anything gets stripped, it is the easily-replaceable screw, NOT the body of the device.
What am I talking about?
The LXD75 mount is cast from rather soft aluminum (or something too soft...). The "secondary lock knob", on the other hand, is made of a much harder metal. The result is that the threads in the mount are stripping-out rather than the screw threads.
I will now learn how to tap threads.
I need to drill-out and tap some larger threads into the mount, then replace the secondary lock knob w/ a larger, matching SOFTER screw.
Am I the only one out here finding new ways to break things?
Edited by Charlie Hein (06/29/09 12:45 PM)
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