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This is the one I use, it's the right stuff at the right price.

http://www.toolstation.com/shop/Automotive/Mechanics%20Tools/Lithium%20Grease/d60/sd180/p89691

Also read this thread
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Dave, some lithium 2 should get you off to a good start it's also what I use, cheap as well 400g tube - £3 should last you awhile.

.Me

250mm/s^2 is very low for the acceleration. If you leave it at that then the feedrate when cutting parts with lots of small moves will be severly compromised, so I'd try about 1000mm/s^2. Due to...

Here's a spreadsheet to help when working out timing belt lengths. There are plenty of these calculators online, but I made this as I find it makes it easier to compare options when you can list...

This will almost certainly be a noise issue not a faulty switch.!
Even the cheapest nasty switches can work ok and not trip, they just aren't very accurate. Also because there cheap and your only...