Forum: Motors & their mountings
Thu 12 July 2018, 17:20
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Replies: 24
Views: 54,681
Hi BillT,
What motors did you use for the...
Hi BillT,
What motors did you use for the Bridgeport? I'm planning to convert an Induma 1s this fall/winter (an Italian vertical turret mill like a BP on steroids - weighs 3,300#) and have been...
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Forum: MechMates already cutting
Wed 17 January 2018, 11:02
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Replies: 95
Views: 167,910
Hmmm, one of the main reasons to go with servos...
Hmmm, one of the main reasons to go with servos is the ability to use the encoders for feedback positioning. According to Centroid's specs, the Acorn does NOT allow for true closed loop operation:
...
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Forum: Introduce yourself and start planning
Mon 28 April 2014, 04:34
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Replies: 17
Views: 20,584
Bolt together MM's will work just fine. If you...
Bolt together MM's will work just fine. If you ever actually do take it apart to relocate it, however, make certain to through drill each bolted connection with at least a pair of holes for hardened...
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Forum: Motors & their mountings
Tue 26 February 2013, 05:22
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Replies: 278
Views: 283,216
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Forum: 10. Base Table
Fri 02 November 2012, 08:25
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Replies: 10
Views: 20,146
Hi Hardouin,
Trust me, as long as you drill...
Hi Hardouin,
Trust me, as long as you drill the holes for the dowel pins completely through both parts to be joined, inserting and removing dowel pins is very easy and takes little time. I bet...
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Forum: 10. Base Table
Tue 30 October 2012, 10:07
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Replies: 10
Views: 20,146
Hi Hardouin,
Welcome to the forum.
I'm...
Hi Hardouin,
Welcome to the forum.
I'm no structural engineer - but there are several on here including Gerald that I'm sure will chime in soon enough - but it looks good to me.
One of the...
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Forum: Cutting various materials - bit selection, feeds, speeds
Mon 01 October 2012, 16:13
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Replies: 8
Views: 18,515
I could be wrong and you might be able to do...
I could be wrong and you might be able to do this, but I wouldn't even think about trying it.
The surface cutting speed and chip load for steel is one, if not two orders of magnitude below what a...
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Forum: Miscellaneous / General / Whatever / Catchall
Mon 18 June 2012, 11:04
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Replies: 308
Views: 305,186
If I understand what Mike is saying - chatter...
If I understand what Mike is saying - chatter occurs at the resonate frequency/rpm of a given motor. Any attempts at minimizing chatter, therefore, should revolve around keeping that stepper from...
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Forum: The Market Place
Wed 28 September 2011, 07:45
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Replies: 7
Views: 8,823
I was actually going to buy a ShumaTech DRO for...
I was actually going to buy a ShumaTech DRO for one of my milling machines, only to find that Scott (the guy who runs the show) stopped producing new kits nearly a year ago. If you are determined to...
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Forum: Miscellaneous / General / Whatever / Catchall
Sat 17 September 2011, 11:36
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Replies: 308
Views: 305,186
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Forum: Miscellaneous / General / Whatever / Catchall
Fri 16 September 2011, 05:21
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Replies: 308
Views: 305,186
That was very interesting. The main take away...
That was very interesting. The main take away message for me was the ability of the round rails to self-align. Given that our machines may not be perfectly flat straight and/or square (especially...
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Forum: Miscellaneous / General / Whatever / Catchall
Fri 16 September 2011, 05:04
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Replies: 308
Views: 305,186
Hi Kim,
I am slowly getting closer to...
Hi Kim,
I am slowly getting closer to starting a build and the more I look at this thread, the more convinced I become that linear bearing slides are the way to go.
I was wondering if you could...
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Forum: The Market Place
Wed 30 March 2011, 06:20
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Replies: 5
Views: 7,632
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Forum: Miscellaneous / General / Whatever / Catchall
Mon 28 March 2011, 05:51
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Replies: 308
Views: 305,186
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Forum: General - MM Build
Wed 23 March 2011, 05:18
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Replies: 24
Views: 22,259
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Forum: Miscellaneous / General / Whatever / Catchall
Mon 21 March 2011, 07:00
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Replies: 308
Views: 305,186
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Forum: Miscellaneous / General / Whatever / Catchall
Thu 10 March 2011, 15:07
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Replies: 308
Views: 305,186
Hi myousry,
While I wouldn't consider myself...
Hi myousry,
While I wouldn't consider myself "metrically" challenged, I'm not all that familiar with common metric stock sizes. Looking at the gantry in post #197, I'd estimate it at 4x8" tubing,...
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Forum: Miscellaneous / General / Whatever / Catchall
Thu 10 March 2011, 13:03
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Replies: 308
Views: 305,186
Hi myousry,
I see what you need to do. But...
Hi myousry,
I see what you need to do. But there's more then one way to "skin a cat" as we say in the states.
How about spacing the ball screw mounts further from the gantry by putting some...
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Forum: Miscellaneous / General / Whatever / Catchall
Thu 10 March 2011, 09:16
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Replies: 308
Views: 305,186
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Forum: 10. Base Table
Mon 22 November 2010, 09:13
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Replies: 30
Views: 40,455
As a suggestion - once you have a breakdownable...
As a suggestion - once you have a breakdownable (is that even a word?) table set up and leveled/squared/etc., and before you attache the MDF bed, drill two holes though every bolted joint and drive...
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Forum: The Market Place
Mon 11 October 2010, 04:37
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Replies: 6
Views: 9,926
David,
If you are no longer going to be...
David,
If you are no longer going to be making these available, would you be willing to post, or email to interested parties, the drawings of the three pieces so they could be fabbed locally?
...
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Forum: The Market Place
Mon 19 April 2010, 09:06
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Replies: 93
Views: 89,942
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Forum: General - MM Build
Sun 18 April 2010, 07:30
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Replies: 54
Views: 67,124
Upgrading the house to 400Amps would be...
Upgrading the house to 400Amps would be INCREDIBLY expensive. I looked into this ten years ago - just the breaker box and the 400A main breaker were $2k! You don't want to even think about the...
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Forum: Rails & Rollers
Tue 13 October 2009, 15:12
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Replies: 12
Views: 18,022
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Forum: General - MM Build
Sun 06 September 2009, 15:39
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Replies: 49
Views: 56,810
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