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Forum: MechMates already cutting Wed 08 October 2014, 07:35
Replies: 984
Views: 682,805
Posted By KenC
I use PVC Air Hose. From my friendly neighborhood...

I use PVC Air Hose. From my friendly neighborhood hardware store.
Looks like these.
http://www.merlett-pvc-hose.co.uk/images/911010_1.jpg

I also use 4". The 6" price is just too expensive to...
Forum: MechMates already cutting Tue 09 September 2014, 20:13
Replies: 984
Views: 682,805
Posted By KenC
Spindle bearings are expensive.... not a lot...

Spindle bearings are expensive.... not a lot cheaper than a new spindle...
Forum: MechMates already cutting Wed 03 September 2014, 00:45
Replies: 984
Views: 682,805
Posted By KenC
Put a extruder & you will have a 3D printer. A...

Put a extruder & you will have a 3D printer.
A laser power source & you have a laser cnc
add water jet & you'll have a water jet cnc.... hey, the list goes on & on & on...
Forum: MechMates already cutting Sun 18 May 2014, 22:58
Replies: 984
Views: 682,805
Posted By KenC
Pete, did you do the development drawing...

Pete, did you do the development drawing "by-hand" or software generated?
Forum: MechMates already cutting Sun 16 March 2014, 09:36
Replies: 984
Views: 682,805
Posted By KenC
MCP230S13 io expander chip can give you 16 ports,...

MCP230S13 io expander chip can give you 16 ports, choice of input or output , SPI through 2 wires (the serial pins), & you can connect with up to 16 chips with the same serial pins. I have no idea...
Forum: MechMates already cutting Sun 16 March 2014, 02:14
Replies: 984
Views: 682,805
Posted By KenC
Modbus info are fairly limited especially when...

Modbus info are fairly limited especially when one has no idea where to look for them.
If you would elaborate what you intend to do, what you want & what you need. maybe we can chip in some help.
Forum: MechMates already cutting Fri 28 February 2014, 03:06
Replies: 984
Views: 682,805
Posted By KenC
usually, for bits that tiny, it should be cutting...

usually, for bits that tiny, it should be cutting at light speed. I crank it up to whatever my VFD can give. 400hz, 24000rpm, that will do.
Forum: MechMates already cutting Tue 21 January 2014, 06:29
Replies: 984
Views: 682,805
Posted By KenC
Thanks Pete, its clear to me now. look like your...

Thanks Pete, its clear to me now. look like your dust shoe is a winner!.
Now... do I want to do something about mine... hmmmm
Forum: MechMates already cutting Mon 20 January 2014, 20:57
Replies: 984
Views: 682,805
Posted By KenC
I don't know how to make sense out of these...

I don't know how to make sense out of these number. Most appreciate if you would elaborate.
Forum: MechMates already cutting Sat 07 December 2013, 08:53
Replies: 984
Views: 682,805
Posted By KenC
I enjoy making things as frugal & simple as...

I enjoy making things as frugal & simple as possible. I find it more challenging than the other way round.
All in the good spirit of healthy discussion, improvement, unbiased comparison of various...
Forum: MechMates already cutting Fri 06 December 2013, 23:16
Replies: 984
Views: 682,805
Posted By KenC
Thats a lot of screws to go through to open up...

Thats a lot of screws to go through to open up the bucket.
Mine (http://www.mechmate.com/forums/showthread.php?p=44709&postcount=349) is only a pull away.
Forum: MechMates already cutting Sat 04 May 2013, 04:03
Replies: 984
Views: 682,805
Posted By KenC
only 10 times??? You are a fast learner!!! I...

only 10 times??? You are a fast learner!!!
I recalled I read the manual twice a day for weeks on end when I was trying to get my plasma table running.
Forum: MechMates already cutting Tue 26 March 2013, 23:39
Replies: 984
Views: 682,805
Posted By KenC
Pete is using a smaller motors, my hunch is that...

Pete is using a smaller motors, my hunch is that he is better off running the coils parallel, but than again, I don't have a clue of his stepper motor torque characteristics.
On temperature matter,...
Forum: MechMates already cutting Mon 25 March 2013, 05:09
Replies: 984
Views: 682,805
Posted By KenC
ya, too big or too small does matter. I'm sure...

ya, too big or too small does matter. I'm sure you had never expect a bull dozer winning a Nascar race LOL
Forum: MechMates already cutting Sun 24 March 2013, 22:48
Replies: 984
Views: 682,805
Posted By KenC
Same fault on same program is not odd. This is...

Same fault on same program is not odd. This is consistence. It confirms that something is not right.

I've given up on tranny size talk. if they can afford them over specs, overly heavy tranny, so...
Forum: MechMates already cutting Thu 21 March 2013, 03:12
Replies: 984
Views: 682,805
Posted By KenC
Pete, Ross & Brad answers most part of your...

Pete,
Ross & Brad answers most part of your questions. & I agree with the the Texas gentleman Chopper spoke to.
but again, on general terms,
Power = Angular speed x Torque, you can only go so...
Forum: MechMates already cutting Mon 18 March 2013, 21:30
Replies: 984
Views: 682,805
Posted By KenC
Ross is absolutely right. & I overlooked the fact...

Ross is absolutely right. & I overlooked the fact that Pete actually using Nema24 motors... that explains all his problems... expecting a stock scooter motor to power a NASCAR & win.... hmmm.....
Forum: MechMates already cutting Mon 18 March 2013, 20:46
Replies: 984
Views: 682,805
Posted By KenC
If its still loosing step, it is either you...

If its still loosing step, it is either you didn't set your acceleration low enough or you didn't get enough torque to overcome the total summation of external forces which you need to overcome. OR,...
Forum: MechMates already cutting Mon 18 March 2013, 02:54
Replies: 984
Views: 682,805
Posted By KenC
Physics always has an answer Sir Isaac...

Physics always has an answer

Sir Isaac Newton said,
Force=ma, m is mass & a is acceleration.
Since mass is constant, When you set your acceleration more than the motor can provide, you will...
Forum: MechMates already cutting Fri 16 November 2012, 20:40
Replies: 984
Views: 682,805
Posted By KenC
WOW! That's extensive work put into the spindle...

WOW! That's extensive work put into the spindle coolant & VFD enclosure compare to what I have.
Thanks for sharing.
I would suggest empty a small 50ml bottle food colour into the coolant, help a...
Forum: MechMates already cutting Mon 12 November 2012, 05:10
Replies: 984
Views: 682,805
Posted By KenC
The noise is generated at the motor lead, in a...

The noise is generated at the motor lead, in a poorly designed VFD, the supply lead will pass the EMI/RFI noise to the mains. Form the mains, will contaminate everything that are connected to it. but...
Forum: MechMates already cutting Fri 09 November 2012, 23:27
Replies: 984
Views: 682,805
Posted By KenC
here you go, ...

here you go,
http://www.homanndesigns.com/pdfs/Using_Modbus_with_Mach3.pdf
#ps, Brain included. :D
Forum: MechMates already cutting Thu 08 November 2012, 00:56
Replies: 984
Views: 682,805
Posted By KenC
Pete, the E-stop issue is definitely VFD noise....

Pete, the E-stop issue is definitely VFD noise. The 1st thing I'll do is to inspect if your star ground is implemented correctly.
2nd step is to buy plenty of snap on ferrite...
Forum: MechMates already cutting Sun 21 October 2012, 04:30
Replies: 984
Views: 682,805
Posted By KenC
Really, microprocessor isn' that hard once you...

Really, microprocessor isn' that hard once you have Arduino at your disposal. :D

I made some cool stuff with it, namely PWM DC motor speed & direction controllers, ambient temperature activated...
Forum: MechMates already cutting Sun 21 October 2012, 03:06
Replies: 984
Views: 682,805
Posted By KenC
Not picking on anyone or intended to do anyone...

Not picking on anyone or intended to do anyone any harm but just laying out a real life operation scenario.

Visual monitor,
General monitoring, Look for turbulence in the translucent PE coolant...
Showing results 1 to 25 of 33
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