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Posts Made By:
Mr Ron
Forum:
Rails & Rollers
Sat 30 June 2012, 11:22
Replies:
40
V-Wheels machined from plastics
Views:
48,657
Posted By
Mr Ron
I can see the advantage of plastic wheels,...
I can see the advantage of plastic wheels, especially when used with aluminum rails. The plastic used doesn't have to have low friction properties. Very low friction might cause the plastic to slide...
Forum:
Rails & Rollers
Sat 30 June 2012, 10:45
Replies:
92
Capped rails using standard "BWC" V-track
Views:
120,678
Posted By
Mr Ron
I am in the process of building my own CNC...
I am in the process of building my own CNC machine (not a MM) and I'm trying to incorporate lessons learned by others into my final design. After reading all the replies to this post, I find one flaw...
Forum:
Rails & Rollers
Sat 30 June 2012, 09:56
Replies:
19
Diy Wheels Build your own
Views:
24,495
Posted By
Mr Ron
I think you are quite correct in your...
I think you are quite correct in your observation. A vertical load on the bearing assembly, will create a compressive axial force at the top of the bearing and a tension axial force at the bottom of...
Forum:
Rails & Rollers
Fri 29 June 2012, 07:40
Replies:
19
Diy Wheels Build your own
Views:
24,495
Posted By
Mr Ron
No. Someone else posted a similar message over in...
No. Someone else posted a similar message over in a different forum that I wasn't aware of. My sketch is not unique.
Forum:
Rails & Rollers
Thu 28 June 2012, 14:11
Replies:
19
Diy Wheels Build your own
Views:
24,495
Posted By
Mr Ron
Here is a sketch to illustrate what I mean.
Here is a sketch to illustrate what I mean.
Forum:
Rails & Rollers
Thu 28 June 2012, 12:59
Replies:
19
Diy Wheels Build your own
Views:
24,495
Posted By
Mr Ron
Turn a ring with about a .125" wall thickness...
Turn a ring with about a .125" wall thickness (thicker is OK).The ID of the ring will be a press fit with the bearing OD. One face of the ring will be beveled 45°. Two bearings with a spacer between...
Forum:
Rails & Rollers
Tue 26 June 2012, 17:43
Replies:
4
Rail Grinding Jig for a Radial Arm Saw
Views:
11,897
Posted By
Mr Ron
Rail Grinding Jig for a Radial Arm Saw
Attached is a sketch for a rail grinding jig to be used with a radial arm saw. The jig is fastened to the saw table; a grinding disk attached to the saw motor; motor carriage rotated 90° and bevel...
Forum:
Driving Mechanisms: Rack/pinion, gears, screws, belts & chains
Sun 24 June 2012, 15:38
Replies:
2
Using a chain for a rack
Views:
8,608
Posted By
Mr Ron
Using a chain for a rack
Using a chain is a common means of moving a trolley along a rail. The chain is tack welded to an overhead I-beam and a sprocket that is inside the trolley engages the chain. As the sprocket is...
Forum:
Introduce yourself and start planning
Thu 21 June 2012, 14:55
Replies:
2
I'm a new member to this forum
Views:
4,339
Posted By
Mr Ron
I'm a new member to this forum
I'm retired from the shipbuilding field and have a lot of free time on my hands. I stumbled unto CNC routering and am hot to get started. I have designed my own CNC machine based on the good points...
Showing results 1 to 9 of 9
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