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Darren:
Nice demo on the crossheads, you're really flying with this build... :thumbup:

You must be spending every spare moment.... :dremel:

spuddevans:

--- Quote from: CrewCab on August 07, 2009, 02:40:00 PM ---Neither do I, so I bought one of these

for the money they are pretty good, you need to practice a bit and learn when the readings are "a bit off" ........... but I find it a useful tool for little cost :thumbup:

--- End quote ---

I have one of those, I just havent got to grips with using it, I select a spindle speed based on how it sounds when cutting and how small the cutting tool diameter is, the smaller the faster.

--- Quote from: Darren on August 08, 2009, 05:53:13 AM ---You must be spending every spare moment.... :dremel:

--- End quote ---

Pretty much every spare moment, I've had a slack week regarding my secular work ( clear wall maintainence engineering) and so have had a good run.

At the moment I'm trying to resurrect an older laptop to perhaps form the controller for a CNC conversion for my X2 mill that I plan for later on in the year (or next year, depending on how the other projects stack up :D ). I'm just gathering the various bits and pieces at the moment as I see them on offer.

I hope to get some time in the workshop this afternoon to work on the 2nd crosshead's shaping.

Thanks for the encouragement guys, and for following my efforts in crafting hacking smaller lumps of metal out of somewhat larger lumps of metal.

Tim

bogstandard:
Tim,

The crossheads are the most complicated bits to fashion on this build. Everything else is just straight machining with a few accurate bits thrown in.

Seeing what you have done here, I don't think you will have trouble with everything else.

Bogs

kellswaterri:
Hi Tim,

''I started on shaping the crossheads. I used a plunge-cutting-rounding-over mini-router bit from my dremel-clone to shape it.''

Regarding the above, is this router you are using originally a ''WOOD'' cutting tool and does it have a shaft size of approx. 1/4'' in diam...I ask because I have a set of routers for my Bosch machine and have often thought of trying them on the softer non ferrus stuff.
All the best for now,
John.

spuddevans:

--- Quote from: kellswaterri on August 08, 2009, 11:07:55 AM ---Hi Tim,

''I started on shaping the crossheads. I used a plunge-cutting-rounding-over mini-router bit from my dremel-clone to shape it.''

Regarding the above, is this router you are using originally a ''WOOD'' cutting tool and does it have a shaft size of approx. 1/4'' in diam...I ask because I have a set of routers for my Bosch machine and have often thought of trying them on the softer non ferrus stuff.
All the best for now,
John.

--- End quote ---

Hi John, actually mine are 3.2mm shank ( about 1/8" ) shank, but they are originally designed for "Wood". They are HSS router bits. Your 1/4" router bits should work on non-ferrous metals like brass and ali'. Try them and see, take light cuts and see what the finish is and how the cutting sounds. On smaller diameter cutters make sure you are using a high speed.

Tim

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