Search found 1710 matches

by 4DThinker
Thu Apr 11, 2024 6:56 pm
Forum: Aspire - General
Topic: Love the drafting tools/features.
Replies: 4
Views: 656

Re: Love the drafting tools/features.

With Danish Oil Finish on it.
Cherry good color.jpg
A little dark, but of all the photos I took it shows cherry wood most like I see it in person.
This one I used straps between the front and back legs rather than the top stretcher and back edge of the top. Less webbing/strap needed.
4D
by 4DThinker
Thu Apr 11, 2024 5:15 pm
Forum: Wrapped Rotary Machining
Topic: Cutting steel on my radial axis
Replies: 16
Views: 873

Re: Cutting steel on my radial axis

Danish oil seemed dry enough today to put the parts back together. I was a bit worried that the finish would clog the bolt holes making some drill bit cleanup necessary, but that didn't happen. All bolts slid in easily and the binding bolts tightened down securely. Quick photos: Cherry 45 horizontal...
by 4DThinker
Wed Apr 10, 2024 5:13 pm
Forum: Wrapped Rotary Machining
Topic: Cutting steel on my radial axis
Replies: 16
Views: 873

Re: Cutting steel on my radial axis

creatively conceived, and nicely executed. Thanks. This cherry version is now on it's freshly applied second coat of Danish oil. It should be a stunner once all done and posed for some good photos. The steel pivot bolts have proven to be a great reliable solution to keeping it together, letting the...
by 4DThinker
Mon Apr 08, 2024 5:57 pm
Forum: Aspire - General
Topic: Love the drafting tools/features.
Replies: 4
Views: 656

Re: Love the drafting tools/features.

This time, on a different prototype, the moulding toolpath cam in handy. I needed to round over the sharp entry edge of a slot that a strap slip into. The strap folds over the edge and I didn't want the sharp edge to wear into the strap. Slot roundover.jpg Using a 1/8" ball nose bit I put a 1/8" rad...
by 4DThinker
Thu Apr 04, 2024 3:47 pm
Forum: Wrapped Rotary Machining
Topic: Cutting steel on my radial axis
Replies: 16
Views: 873

Re: Cutting steel on my radial axis

Got the binding bolt holes cut this morning. Enough done now to stand the table up with the top attached.
Cherry standing up 2.jpg
The top is still waiting for edge details. Not in a rush to finalize those.
4D
by 4DThinker
Thu Apr 04, 2024 11:02 am
Forum: Wrapped Rotary Machining
Topic: Cutting steel on my radial axis
Replies: 16
Views: 873

Re: Cutting steel on my radial axis

From the picture, a roto-hinge doesn't look to hard to make. Two short dowels with a hole, a couple of washers and a bolt with a lock nut. I went down that path for a couple of iterations. Binding post, two bearings, but cover plates were needed to keep the bearings in. Bought some brass plate to s...
by 4DThinker
Wed Apr 03, 2024 11:04 pm
Forum: Wrapped Rotary Machining
Topic: Cutting steel on my radial axis
Replies: 16
Views: 873

Re: Cutting steel on my radial axis

I looked into roto-hinges and the ones I've seen are too big in diameter for the 7/8" wide and thick legs. Also much more expensive than the binding bolts, pivot bolts and washers used so far.
by 4DThinker
Wed Apr 03, 2024 10:21 pm
Forum: Wrapped Rotary Machining
Topic: Cutting steel on my radial axis
Replies: 16
Views: 873

Re: Cutting steel on my radial axis

Got the holes CNC cut for the binding bolts that intersect these pivot bolts. Cherry leg frame.jpg Fit could have used a little allowance. The parts all fit as intended but snug against the pivot bolts so they don't spin easily. I'll use a 5mm diameter diamond file I have and see if I can take a lit...
by 4DThinker
Wed Apr 03, 2024 7:36 pm
Forum: Wrapped Rotary Machining
Topic: Finding accurate Zero for the Y axis
Replies: 7
Views: 373

Re: Finding accurate Zero for the Y axis

The top of my tailstock is a centered rectangle. Many moons ago I took the time to carefully scribe a centerline down the middle. When centering my Y axis for a center rotary job I sneak whatever bit I'm using up to that line, Once there for Y center I put in +.0625 or +.125 or +.0938 as half the di...
by 4DThinker
Wed Apr 03, 2024 5:00 pm
Forum: Aspire - General
Topic: Is there any hope for Linux users?
Replies: 18
Views: 855

Re: Is there any hope for Linux users?

I don't expect to see a linux version, but as the controller software for my CNC is on a Linux machine it would be nice to have Aspire on it so I could quickly edit toolpaths when I see I've made a mistake. The trip back up the stairs to my windows PC in only a time waster balanced with the exercise...
by 4DThinker
Wed Apr 03, 2024 3:43 pm
Forum: Wrapped Rotary Machining
Topic: Cutting steel on my radial axis
Replies: 16
Views: 873

Re: Cutting steel on my radial axis

Another idea was to make a push button release, much the same as a push button depth stop for a drill press. Pushed in it would release the threads of an intersecting bolt, but when the button was pushed out by a conical spring behind it tapped threads would be engaged. Flaw was the the bolt could s...
by 4DThinker
Sun Mar 31, 2024 3:14 am
Forum: Wrapped Rotary Machining
Topic: Cutting steel on my radial axis
Replies: 16
Views: 873

Re: Cutting steel on my radial axis

Just for clarity, this is what the end goal for these bolts looks like. Cut off with ends filed to take off the sharp edge. Pivot Bolts 1.jpg They slip through the outer legs of my TV tray table design, through a washer, then into the inner legs where they are pinned with an intersecting binding bol...
by 4DThinker
Sat Mar 30, 2024 2:05 pm
Forum: Wrapped Rotary Machining
Topic: Cutting steel on my radial axis
Replies: 16
Views: 873

Re: Cutting steel on my radial axis

I've got some 30db ear muffs, so can't attest to the actual sounds made. :wink: I could tell that the loudest sound was the initial stepover move each time the rotary reversed direction for the moulding toolpath. Stepping in removed the most material. Stepping out I could barely hear it as most of t...
by 4DThinker
Sat Mar 30, 2024 1:39 pm
Forum: Wrapped Rotary Machining
Topic: Cutting steel on my radial axis
Replies: 16
Views: 873

Cutting steel on my radial axis

Just a little. I needed a groove cut around the shafts of 4 metal bolts. The groove is for an intersecting binding bolt that will keep the bolts in place. 4 bolts with grooves 1.jpg Moulding toolpath with a 3/16" ball nosed carbide bit. 2.5mm r groove, 1/16" deep. Binding bolt is 5mm diameter. 4% st...
by 4DThinker
Mon Mar 25, 2024 1:48 pm
Forum: Aspire - General
Topic: Cutting Aluminumm
Replies: 3
Views: 388

Re: Cutting Aluminumm

Another "Well done!" from me. I played around with cutting aluminum on my Probotix CNC and although the bits didn't have any complaint cutting the aluminum, the flex in my gantry/Z axis showed its ugly face and ruined every test piece I tried.