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Search: Posts Made By: sphericos
Forum: Graphics & CAD Thu 11 July 2019, 14:48
Replies: 21
Views: 18,159
Posted By sphericos
Yes I liked Draftsight too but as I mentioned the...

Yes I liked Draftsight too but as I mentioned the free version has been cancelled and will no longer work after this year. The cheapest version they have is 79 per year if you want the g code plugin...
Forum: Graphics & CAD Tue 09 July 2019, 13:57
Replies: 21
Views: 18,159
Posted By sphericos
Hi, I just thought I would update this as I used...

Hi, I just thought I would update this as I used to use Draftsight for 2d CAD but due to a change in their license policy it is no longer going to be free and will no longer activate once the current...
Forum: Troubleshooting Thu 10 January 2019, 04:38
Replies: 4
Views: 850
Posted By sphericos
Can you bypass your estop and limit switch wiring...

Can you bypass your estop and limit switch wiring at the BOB just to rule out any issues with cabling?
Forum: 50. Toolheads Mon 07 January 2019, 15:27
Replies: 10
Views: 1,495
Posted By sphericos
I could be wrong but looking at those spindles...

I could be wrong but looking at those spindles and the price I do not think they are self contained. I think the shaft would need to be fixed to a rotary power source of some kind. They do not seem...
Forum: Driving Mechanisms: Rack/pinion, gears, screws, belts & chains Fri 04 January 2019, 05:12
Replies: 449
Views: 182,894
Posted By sphericos
Thanks for the feedback. Does anyone have any...

Thanks for the feedback. Does anyone have any preference over gear profile? Lots of people seem to use XL or T5 but I have seen references that GT2 is better at minimising backlash.
Forum: Driving Mechanisms: Rack/pinion, gears, screws, belts & chains Mon 31 December 2018, 04:23
Replies: 449
Views: 182,894
Posted By sphericos
Aluminium Pulleys on belt drive

Hi, has anybody built belt reduction gearboxes using aluminium timing pulleys? If so how has it worked out? I was looking at steel ones but the aluminium seem to be more readily available and with a...
Forum: 50. Toolheads Sun 28 October 2018, 09:09
Replies: 1
Views: 732
Posted By sphericos
Chinese Spindle Issue

This is just a heads up to anyone else who comes across this problem. My 3kw air cooled Chinese spindle has run reliably for 3 years until a couple of days ago when in the middle of a rush job it...
Forum: CNC motion control software Sat 28 October 2017, 14:47
Replies: 62
Views: 23,801
Posted By sphericos
I use LinuxCNC and I never installed my limit...

I use LinuxCNC and I never installed my limit switches. I have never needed them. I home the table every time I reboot the computer and providing the tables limits are set there is no reason it...
Forum: Introduce yourself and start planning Tue 16 May 2017, 04:17
Replies: 7
Views: 3,372
Posted By sphericos
I am not very local but happy to answer anything...

I am not very local but happy to answer anything i can.
Forum: MechMates already cutting Tue 07 March 2017, 16:05
Replies: 26
Views: 12,013
Posted By sphericos
I did the same thing when I first set my machine...

I did the same thing when I first set my machine up. I wired up the vfd the wrong way round and some how missed the direction of spin. Unfortunately I had nobody here to point out my stupidity so...
Forum: MechMates already cutting Mon 06 March 2017, 10:03
Replies: 26
Views: 12,013
Posted By sphericos
This might seem like a stupid question but you...

This might seem like a stupid question but you are running the spindle in the right direction? I have used a 12.7mm two fluted straight cutter on ply , mdf and oak with no great issue. My cut depth...
Forum: MechMates already cutting Wed 01 March 2017, 03:26
Replies: 75
Views: 28,558
Posted By sphericos
For $50 you can't go wrong. You could probably...

For $50 you can't go wrong. You could probably eBay them for more than that if you decided to change them later.
Forum: MechMates already cutting Tue 28 February 2017, 04:21
Replies: 75
Views: 28,558
Posted By sphericos
Stepper Motor

Your build is looking good so far. I noticed you have a round stepper motor, I am no expert on steppers but it is my understanding that this design makes use of ferrite magnets that degrade over time...
Forum: MechMates already cutting Tue 07 February 2017, 14:29
Replies: 26
Views: 12,013
Posted By sphericos
Nice to see another one over here. What are you...

Nice to see another one over here. What are you planning to use it for?

David
Forum: MechMates already cutting Mon 06 February 2017, 14:30
Replies: 448
Views: 95,444
Posted By sphericos
I cannot vouch for how much better the expensive...

I cannot vouch for how much better the expensive drivers are but I have been running my machine most days for the past year using the M542 drivers in this kit http://www.ebay.co.uk/itm/391655745639 I...
Forum: MechMates already cutting Mon 16 January 2017, 06:52
Replies: 8
Views: 4,172
Posted By sphericos
Nothing special done just burnished with a wire...

Nothing special done just burnished with a wire brush on a cordless drill. Despite not being a totally dry environment it seems to have survived quite well. My shed does have a few damp issues due to...
Forum: MechMates already cutting Mon 16 January 2017, 06:31
Replies: 4
Views: 3,712
Posted By sphericos
I never seem to get round to it. There always...

I never seem to get round to it. There always seems to be something else to do. I will try and get something sorted soon.
Forum: Construction started, but not cutting yet Thu 12 January 2017, 13:14
Replies: 16
Views: 7,816
Posted By sphericos
Just ordinary unequal angle. All I did was...

Just ordinary unequal angle. All I did was burnish them with a wire brush attached to a cordless drill. They seem to have maintained the shine even a year later and I had fully expected them to...
Forum: MechMates already cutting Sat 07 January 2017, 17:38
Replies: 4
Views: 3,712
Posted By sphericos
I am doing a few things, I have a couple of...

I am doing a few things, I have a couple of galleries on my website here

http://www.thewoodentop.co.uk/signgallery/

http://www.thewoodentop.co.uk/storage-pet-beds-gallery/...
Forum: Miscellaneous / General / Whatever / Catchall Sat 07 January 2017, 04:27
Replies: 6
Views: 5,506
Posted By sphericos
You have a point but I think that the average...

You have a point but I think that the average jigsaw user is going to struggle to grasp the CAD to CAM to Machine, particularly if they are going to have to plan where the cut ends.

I think if...
Forum: MechMates already cutting Fri 06 January 2017, 08:09
Replies: 4
Views: 3,712
Posted By sphericos
First Cut - Surfacing table

This was nearly a year ago now but I took a video of my first proper cut surfacing the table. It's not very exciting but it was extremely satisfying at the time.
...
Forum: Miscellaneous / General / Whatever / Catchall Fri 06 January 2017, 02:08
Replies: 6
Views: 5,506
Posted By sphericos
It is difficult to see how a vertical CNC machine...

It is difficult to see how a vertical CNC machine would be reliable without a way of holding down the material being cut. Even if you used a very small cutter the final cut is going to cut into the...
Forum: Graphics & CAD Fri 28 October 2016, 15:45
Replies: 21
Views: 18,159
Posted By sphericos
I have used draftsight for a few years and never...

I have used draftsight for a few years and never had an activation issue but there are a couple of things that come to mind and may be worth trying if you have not already.
1) Turn of the windows...
Forum: Graphics & CAD Tue 25 October 2016, 15:27
Replies: 21
Views: 18,159
Posted By sphericos
I will add another vote for draftsight. I did CAD...

I will add another vote for draftsight. I did CAD design on ACAD starting at version 8 and stopped using it altogether sometime around version 14. The think I really like about draftsight is it's...
Forum: Construction started, but not cutting yet Fri 02 September 2016, 15:56
Replies: 16
Views: 7,816
Posted By sphericos
It is finished, and the workshop has never been...

It is finished, and the workshop has never been that tidy again. Probably not completely true as I am not sure it will ever be finished. I keep thinking about putting a 3:1 reduction on the steppers...
Showing results 1 to 25 of 36

 
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