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Forum: MechMates already cutting Sat 24 November 2018, 13:49
Replies: 114
Views: 17,040
Posted By ifffff
And put that VFD on separate grounded metal box....

And put that VFD on separate grounded metal box. It generates huge amount RF noise. If i open my VFD (of course when spindle is running) enclosure door, then computer keyboard what is about 50cm of...
Forum: MechMates already cutting Tue 20 November 2018, 13:31
Replies: 197
Views: 49,065
Posted By ifffff
I made sprocket milling...

I made sprocket milling (https://youtu.be/82RPAsOoric) video
Forum: 701. Motor Drives Fri 02 November 2018, 08:25
Replies: 20
Views: 12,292
Posted By ifffff
Just for case i mention, that VFD must be too...

Just for case i mention, that VFD must be too shielded. That means it must be on separate grounded metal enclosure. It generates lots of RF noise.
Forum: MechMates already cutting Sat 27 October 2018, 03:20
Replies: 197
Views: 49,065
Posted By ifffff
Ok i will try how much it is softer. But all...

Ok i will try how much it is softer. But all gears what i have used on both mechmates arent hardened. On #38 is gear lifetime 2-3 years hard work.
Forum: MechMates already cutting Fri 26 October 2018, 00:20
Replies: 197
Views: 49,065
Posted By ifffff
All three axis have same spring and tensioned...

All three axis have same spring and tensioned equally. And weared is only one gear, so reason cant be over tensioned spring.
I will ask what is answers have gear/rack seller.
Forum: MechMates already cutting Thu 25 October 2018, 13:45
Replies: 197
Views: 49,065
Posted By ifffff
I have here some kind of strange problem here...

I have here some kind of strange problem here with my new MM.
X axis gear is totally worn and gear rack looks worse than my 9 year old #38 gear racks. A and Y axis gear/racks are looking as new....
Forum: MechMates already cutting Tue 18 September 2018, 11:59
Replies: 197
Views: 49,065
Posted By ifffff
Made some rope driven blast gates. I think they...

Made some rope driven blast gates. I think they are better than regular push-pull type gates.
16333

16334

16335
To prevent static electricity buildup i grounded gate. Black material is PE...
Forum: 60. Wiring & Cable Management Thu 30 August 2018, 06:20
Replies: 1
Views: 424
Posted By ifffff
I made same mistake when was building #38. Put...

I made same mistake when was building #38. Put that cable carrier to other side of gantry.
Forum: MechMates already cutting Thu 23 August 2018, 07:54
Replies: 197
Views: 49,065
Posted By ifffff
Well... They are coming from Estonian reseller...

Well... They are coming from Estonian reseller with product code what does not lead nohere and here have they EcoStar trademark. Again google isnt sayng nothing.

Sometimes they have engraved Cerin...
Forum: MechMates already cutting Wed 22 August 2018, 23:46
Replies: 197
Views: 49,065
Posted By ifffff
Yepp, no lubricant. On shown settings is tool...

Yepp, no lubricant. On shown settings is tool lifetime somewhere between 50-100 cutting hours. I have cut over years tens of tons alu sheets so. Maybe with emulsion it is longer, but i try avoid...
Forum: MechMates already cutting Tue 21 August 2018, 13:17
Replies: 197
Views: 49,065
Posted By ifffff
I had little debt. Missing stickers. 16309 ...

I had little debt. Missing stickers.
16309
16310
Milling sprockets from 7075 aluminium sheet: https://www.youtube.com/watch?v=m9hT5NXK0Ng
5mm one flute endmill
Spindle 24000rpm
Feedrate...
Forum: MechMates already cutting Sun 20 May 2018, 06:12
Replies: 197
Views: 49,065
Posted By ifffff
Well... There is lot of industrial connectors...

Well... There is lot of industrial connectors what are very good. But usually those connectors what are coming with chinese stuff are problematic. At least my experience is saying so.
Forum: MechMates already cutting Sat 19 May 2018, 05:26
Replies: 197
Views: 49,065
Posted By ifffff
Checked socket and wire connections. Nothing did...

Checked socket and wire connections. Nothing did not seem loose but tightened everything and it is working again. Lets hope that it will be so. It may be socket what connects wire to spindle. Earlyer...
Forum: MechMates already cutting Sat 19 May 2018, 01:48
Replies: 197
Views: 49,065
Posted By ifffff
And it is down again. Spindle VFD starting to...

And it is down again. Spindle VFD starting to give e.oc.n error messages. According to google propablly bad current sensor inside huanyang vfd.
Forum: MechMates already cutting Thu 17 May 2018, 15:23
Replies: 197
Views: 49,065
Posted By ifffff
Got new drivers, and its running again. Now its...

Got new drivers, and its running again. Now its working smooth and without any strange noises, vibrations etc.
Those 3 phase steppers are quite powerful. Tried to move axes 50000mm/min - no...
Forum: MechMates already cutting Wed 02 May 2018, 01:11
Replies: 114
Views: 17,040
Posted By ifffff
Dont use beating and steppers in one sentence. It...

Dont use beating and steppers in one sentence. It does not end well. Use puller.
Forum: MechMates already cutting Tue 01 May 2018, 12:29
Replies: 114
Views: 17,040
Posted By ifffff
It wont work. You may try fix screw on round...

It wont work. You may try fix screw on round side. How tight are gears on shaft? Can you install them with bare hands? If they are too loose you may try fix them with glue. Loctite 648 for example.
Forum: Construction started, but not cutting yet Mon 30 April 2018, 00:43
Replies: 35
Views: 4,503
Posted By ifffff
I am using for motion controller smoothstepper+...

I am using for motion controller smoothstepper+ optoisolated breakoutboard from CNC4PC
As you see, different options is many, and there is no answer what is best.
Forum: Construction started, but not cutting yet Sat 28 April 2018, 03:09
Replies: 35
Views: 4,503
Posted By ifffff
Power supplys what are on stepper kits are okay....

Power supplys what are on stepper kits are okay. No need to interchange them. But if your budget allows go for closed loop steppers.
I wont suggest steppers with built in gear reduction. They have...
Forum: MechMates already cutting Sat 28 April 2018, 01:32
Replies: 114
Views: 17,040
Posted By ifffff
Thumb rule on cnc build is what joint is...

Thumb rule on cnc build is what joint is suspicious, that will one day make problems.
http://www.mechmate.com/forums/showthread.php?t=5626. Good is that it came out on testing, not by ruining some...
Forum: MechMates already cutting Fri 27 April 2018, 11:56
Replies: 197
Views: 49,065
Posted By ifffff
Sent drivers back to reseller. Now i am waiting...

Sent drivers back to reseller. Now i am waiting their standpoint on this case.
Forum: MechMates already cutting Fri 27 April 2018, 11:51
Replies: 114
Views: 17,040
Posted By ifffff
No, to get gantry square you must cut square as...

No, to get gantry square you must cut square as big as is possible. On bigger one you find errors more easylly.
Forum: MechMates already cutting Wed 25 April 2018, 11:38
Replies: 114
Views: 17,040
Posted By ifffff
It is more precise when you are calculating step...

It is more precise when you are calculating step per inch. Or measuring movement over table. One inch can trick you.
Forum: MechMates already cutting Mon 23 April 2018, 12:04
Replies: 197
Views: 49,065
Posted By ifffff
Got on friday new and tested driver-motor set....

Got on friday new and tested driver-motor set. With new driver everything seems to work fine.

Motors stalling due too large postition difference, it was able to move max 8000mm/min, stalling on...
Forum: Construction started, but not cutting yet Tue 17 April 2018, 06:24
Replies: 34
Views: 3,579
Posted By ifffff
I did take photos with my phone downloaded to...

I did take photos with my phone downloaded to computer and resized with Microsoft Office Picture Manager. Definitelly there are lots of other programs with what is possible to do that.

Here is...
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