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You will find the calculator spreadsheet in this post useful.

http://www.cnczone.com/forums/mechanical_calculations_engineering_design/151831-thickness_aluminium_plate_gantry.html

This calculator was given to me by a Stress Engineer where I work at BAE Systems. It is his own tool that he devised for me at lunch time today.

Since he is one of the lead stress engineers on...

Well since I did not get any replies to my post I decided to give the Stress Engineers where I work a try. I work at BAE systems and I got all the info that I needed to help me as well as a great...

Hi All,

I have been running a CNC machine that I built from MDF about 18 months ago. I would now like to upgrade the machine by replacing the MDF with an Aluminium frame.

The total span of my...

Hi all,

Can you advise the best cutter for MDF

I am trying to cut out some profiles from MDF. I am using a 3 flute carbide cutter that could also be used for aluminium or steel, but am finding...

Just want to say Thanks Al. The problem did seem to be because of a lack of grounding. I have not tried any cutting yet, but I have run the spindle at full speed and jogged around the table with out...

Thanks Al,

I have take a quick look already at some of the links you posted and got some pointers to things I have not done yet, like grounding the shielding.

I also had a thought, that...

Hi Al,

Your really helping me out this week. Thanks very much.

when you say do I have a ground wire running back from the spindle to the VFD. Can you elaborate. There are just three wires going...

Having purchased a Chinese VFD and Spindle from Ebay I found that as soon as I turned it on my limit switches started to trip. Assuming that this was due to EMF I Replaced the power cable to the...

Thanks Al,

I found the answer to my question here. http://www.woodworkforums.com/f170/tips-newbie-huanyang-vfd-users-96380/

Here are the settings that are factory default.

PD010 = 6.5 (Min...

OK I tried setting PD143 to 2 pole but I still get 11520RPM.

Any other suggestions??

Thanks
Simon

I just found this in the manual

PD143 Motor Pole Number
Set Range：02—10 Unit：1 Factory Setting：04

This suggests that the Factory default is 4 Pole. Should I set PD143...

Hi Al,

I only set what I described in my post. How do I set for two pole motor and what does that do?

Thanks
Simon

Hi All,

I just took delivery today of a Chinese 2.2kw spindle with VFD (See link eBay - The UK's Online Marketplace)

I have followed the instructions that came with the VFD which were to set
...

OK, I just setup my tools in EMC. I removed the default tools from the tool table and inputed the details of my own. The only thing I know however is the Diameter. I put the length of the tool that...

Thank you,

I am using EMC and I think I know what you mean. I will start to transfer the tools to EMC.

Hi All,

Not sure what is going on here, but I have wasted quite a bit of good Oak trying to fix the problem. Hoping one of you can shed some light on the problem.

I am using two tools 1st is a...

Hi,

I am new to Visual Mill and EMC so not sure if this problem is due to Visual Mill or EMC.

I am using Visual Mill 6 and have created a cut path for a house sign that I designed in...

I seem to have sorted it out now. I have wired my steppers up in parallel. Before they were in series. I have also made sure that my steps being put out by Axis are the same as the dip switch...

Hi All,

After recently finishing my first CNC machine I have spent two weeks playing with EMC. My Problem is that I have to either put up with a slow machine, correct scale and very hot motors(So...

Thanks for everyone's responses. I did look at the kress already and was thinking of buying it, but since I just spent all my money on building the CNC I used the old plunge router that was lying...

Hi,

I have just completed the build of my CNC Machine and am currently stuck using large 1/2" router bits. The 2 and 3mm end mills that you get on on ebay will not fit in this router. Can I get an...

Hi All,

I am building my first machine. It will have a single screw on an under-slung gantry. The machine dimensions will be 1200 x 900 mm

I am now just waiting for my supported rails and ball...

Thanks Tim, What do they say, a picture speaks a thousand words. A file to look at would be really helpful.

Your a star

Thanks
Simon

Sorry to be so Dim, but when you say create surface from Solid, are you in Mastercam at that point or Solidworks. I dont see a Create surface from Solid menu option in either the Mastercam menu or in...

Hi Tim,

Thanks for getting back. Not quite sure how to put your answer into action. I tried to select a ball nose tool and a 2D contour but I still dont get what I am expecting.

I have attached...

Hi All,

I am just starting out with Mastercam X5 for solidworks. I have been able to get mastercam to produce a tool path for flat surfaces and for pockets, but I cant understand how to produce a...

The web site for downloading is ArtSoft USA - Software Downloads

I know that from what i have read Mach 3 will either not run on a laptop or may give undesired results. The manual states that this...

Not sure how much you do or do not know, so I might be teaching you to suck eggs.

Looking at the machine you got, it looks the same as some I have seen on Ebay. I am sure that they describe them...

Hi All,

I am completely new to solidcam and just want to cut a fillet from the four top edges of a square solid box.

I think I can set up the stock OK (unless I am missing something) and get...