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Search: Posts Made By: mrakoplas
Forum: Driving Mechanisms: Rack/pinion, gears, screws, belts & chains Tue 15 January 2013, 06:01
Replies: 449
Views: 465,546
Posted By mrakoplas
Hi, I did use this design also for the Z axis. It...

Hi, I did use this design also for the Z axis. It does work only if you attach the spider to the first slot. You can see it here...
Forum: MechMates already cutting Mon 08 October 2012, 11:50
Replies: 43
Views: 34,753
Posted By mrakoplas
Thanks for the nice comments. Rik: The...

Thanks for the nice comments.

Rik: The gearbox plans worked great, the bearings fit in just perfectly. I used your design also for the z axis. However, it fits only when you put the z axis in the...
Forum: MechMates already cutting Sun 30 September 2012, 12:59
Replies: 43
Views: 34,753
Posted By mrakoplas
First cutting test

Hi. I finally found some time during this summer to finish the machine to its cutting state. Finally its ready to make some chips! The cutting area is 1700 x 2900. The control system is LinuxCNC. I...
Forum: MechMates already cutting Sat 07 January 2012, 04:27
Replies: 43
Views: 34,753
Posted By mrakoplas
great, thanks s lot for the quick response!

great, thanks s lot for the quick response!
Forum: MechMates already cutting Sat 07 January 2012, 03:13
Replies: 43
Views: 34,753
Posted By mrakoplas
I have been very busy with work for last two...

I have been very busy with work for last two months, so not much of progress on the build.
I got the tool steel plate, apparently they come here only in thicker sizes, which I had milled to 6.5....
Forum: MechMates already cutting Fri 11 November 2011, 00:32
Replies: 43
Views: 34,753
Posted By mrakoplas
I finished the rails. I had a Hitachi grinder for...

I finished the rails. I had a Hitachi grinder for 125 mm discs, but I put in 115 mm and it worked. I had glazing problems with the grinding disc, so I put over it a sanding disc and it worked very...
Forum: MechMates already cutting Tue 01 November 2011, 05:59
Replies: 43
Views: 34,753
Posted By mrakoplas
Thanks for the comments. I will follow Mike's...

Thanks for the comments. I will follow Mike's suggestions. I finally received the rail wheels today, and I will start grinding the rails. It was 5 weeks laying at the customs -(. I found out...
Forum: MechMates already cutting Mon 31 October 2011, 16:58
Replies: 43
Views: 34,753
Posted By mrakoplas
Thank you. But I think that the problem is not in...

Thank you. But I think that the problem is not in voltage, but in too small VA, because these motors would need more amps and my PS has only 363 VA. The four PK299-F4.5A should have 900 VA, so I...
Forum: MechMates already cutting Mon 31 October 2011, 16:01
Replies: 43
Views: 34,753
Posted By mrakoplas
I realized today that I already bought the power...

I realized today that I already bought the power supply for the geared motors, which is 39V, 13A - 363 VA. If I understand it correctly, that would not be sufficient to power the PK296-F4.5A or the...
Forum: MechMates already cutting Fri 28 October 2011, 01:16
Replies: 43
Views: 34,753
Posted By mrakoplas
Thanks for the replies, I will focus now on...

Thanks for the replies, I will focus now on finishing the other parts of the build and then I will decide. I noticed I made a mistake about the prices about, they should be 220 and 259 EU.
Forum: MechMates already cutting Thu 27 October 2011, 00:54
Replies: 43
Views: 34,753
Posted By mrakoplas
I have been away for last two weeks, so the built...

I have been away for last two weeks, so the built has been on hold. In the meantime I was outsourcing the PK296AE-SG7.2 motors and rack and pinions. One supplier gave me a quote for the motor 159 EU...
Forum: MechMates already cutting Mon 17 October 2011, 01:51
Replies: 43
Views: 34,753
Posted By mrakoplas
Thanks everybody for the replies. I will go for...

Thanks everybody for the replies. I will go for the 30 teeth pinions as Gerald suggests, and the pinion's bore should be 12 mm for the motors.
Forum: MechMates already cutting Sun 16 October 2011, 00:02
Replies: 43
Views: 34,753
Posted By mrakoplas
Here is the picture of the table. I already...

Here is the picture of the table. I already turned it over since and now I am in process of doing the rails. I initially wanted to bolt the table together. However, the two main big U beams were...
Forum: MechMates already cutting Thu 06 October 2011, 11:24
Replies: 43
Views: 34,753
Posted By mrakoplas
Thanks Gerald. I thought I need some special...

Thanks Gerald. I thought I need some special ones. Found a shop close by that sells them. Best, Martin
Forum: MechMates already cutting Thu 06 October 2011, 09:14
Replies: 43
Views: 34,753
Posted By mrakoplas
I finished the table. Now I need to bring 5...

I finished the table. Now I need to bring 5 friends to turn the table over. I am starting putting together the gantry. The laser cut parts seem to be cut and bent correctly. I ordered the wheels and...
Forum: MechMates already cutting Fri 02 September 2011, 03:01
Replies: 43
Views: 34,753
Posted By mrakoplas
First cutting test - Praha, Czech Rep.

I started to build. These are the laser cut part that I got cut and bend for about 170 EU. The table is already in progress, I will post some pics soon.
Forum: Introduce yourself and start planning Wed 10 August 2011, 06:59
Replies: 7
Views: 6,998
Posted By mrakoplas
Thanks a lot for your quick comments. I am not...

Thanks a lot for your quick comments. I am not afraid of the climbing on the table, and Danilom has a good point that is more difficult to find a cnc machine bigger than 1250. Therefore, I think I...
Forum: Introduce yourself and start planning Wed 10 August 2011, 04:41
Replies: 7
Views: 6,998
Posted By mrakoplas
I am now reconsidering the size on my mechmate....

I am now reconsidering the size on my mechmate. The length will be definitely 2800 mm, but the width could be either 2070 mm which is standard for MDF or I could do it just 1250 mm, which standard...
Forum: Introduce yourself and start planning Thu 04 August 2011, 05:05
Replies: 7
Views: 6,998
Posted By mrakoplas
Thank you very much for your comments.

Thank you very much for your comments.
Forum: Introduce yourself and start planning Thu 28 July 2011, 06:11
Replies: 7
Views: 6,998
Posted By mrakoplas
Starting Mechmate in Czech Republic

Hi,

My name is Martin and I live in Czech Republic.
I have the plans for Mechmate for few years now, but I did not have a time to start until now. I'd built in meantime a small CNC from...
Showing results 1 to 20 of 20

 
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