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We have a K@ KG5050 cnc machine (4'x4'). We would like to mill some aluminium, but trying to cut with a router is not the best, the spindle spindle speeds are so high. Is there a replacement head for...

I am now offering my CNC plans for free. I also have other free stuff on my site such as lesson plans for teachers, robots design etc coming soon. Everything on my site is free. If there is something...

They don't give the source to that away, but it is in Visual Basic.

How do I change autofeed direction on my Harbor freight model BV-920 lathe? It feeds into the headstock, not away from it. It will feed away from the head stock if I change the motor direction but...

I'm looking for something simple I can have my students make on a metal lathe. Something they can do in 1 or 2 1hr sessions. Also, material is limited. I have a lot of 1/2" steel bar stock.

I...

I am working on a CNC driver program and am trying to wrap my head around the G2 and G3 codes. It looks like the Bresenham Algorithm is the answer, but I'm having trouble getting my head wrapped...

how about some of these?

http://lathemaster.com
http://www.toolsplus1.com/9-20_lathe.htm
http://www.cumminstools.com/browse.cfm/4,876.htm

How about this one?
http://www.lathemaster.com/LATHEMASTER8x14Lathe.htm

I don't need cnc, just a manual lathe...the used route might be a possibility, but with a school system that can be hard. People are funny about how town money is spent....pain in the _ _ _ really.

can anyone suggest a good metal lathe for under $1,000? I have looked at grizzly, but I think it uses plastic gears? I don't want to buy junk, but I can't afford a lot, we have a tiny budget. I have...

Wow, lots of great ideas, please keep them coming, school start here this week. Any simple projects for a metal lathe? I am hopefully getting a small benchtop lathe this year..I'll find out this week...

I love the sign idea! My kids can do designs of signs, then use the cnc to cut/engrave into the acrylic. I like the idea of making metal cans to hold electrical and light the sign. I can do basic...

great ideas! Please keep them coming!

is metal work not fun?

As the title says, I need some simple, cool projects to excite high school kids and get them interested in working with their hands. I have a very limited shop. No tools other than hand tools. I am...

here are some more pics. We have the case enclosed and sound proofed. Works well.

The letters are about 10" tall.

Yeah, A machine will cost about $600, alot of those other guys selling plans like to hide the fact that you have to buy electronics, motors and software. If you have any questions on your build let...

here are some pics of the vacuum table.

Simple HDPE block 3/4" x 10" x 13" with a hole drilled into the side and top for air suction.

Use vynle tape to create a seal between the wood and your...

Finally have my vacuum table working! I will try to post some pictures. It is the easiest and cheapest design! Runs off a simple shop vac.

JimLuu,

sounds like a great project!

Should be a nice machine when you are done. I only spent about $600 on mine.

If you want to see some video of my mill in action visit www.bigbearcnc.com or click here,


http://members.cox.net/walachcnc/cncdemoweb.mov


It is engraving the RI state flag. Hopefully I can...

any pics of the build?

Here are some updated pics. We have started to build an enclosure and do some wiring. I have an on/off switch that kills power to everything, then a seperate switch to turn the router on/off. We also...

Started testing my software this past week. I have spun the motors in jog mode, still woriing out some bugs in the auto sequence. Will try to get them worked out next week. I am using the trial of...

Here is the lastest of the new cnc. We made some test cuts today. Works great! Just need some smaller cutters to do detail work. Hope to test my own Bigbearcnc software on it this week as well. The...

Can't post pics of the kids joe2000che, just the machine.

The machine is almost complete. The mechanicals are built, and we are wiring the electrical. I will post some pics soon. We are out for the next week, but I will post some pics of the finished mill...

Make a variable that you can adjust to control the pulse width. The speed of different cpu's will effect the speed of the data string out.

yes, I have written one. Just PM me your email and I will send you a copy.

I have these connectors, but I can't find the crimp. Anyone know were I can find one..ie, part number?

I purchased the harnesses from Kim controls in the past, but I can't find the parts on their...