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Ullrich are good for smaller quantities. They'll cut any length of the thicker sections. Thinner stuff is by full or half length only. Nalco - full length only (but will cut plate to size). Steel and...

Looks like it's working well! Keen to get my mill ready for UCCNC tapping.

Are you using a servo spindle drive? or a secondary encoder off the spindle? Saw your ATC UCCNC vid. How was your...

Most inductive proximity switches will work with 5v straight from the Breakout board, but the detection range tends to reduce.

You can get a lot of "rattle" from the quill drive splines. Stock bearings with the rubber seals are very high friction (prime cause of the arcing) - the metal shield equivalents are much freer...

I've used TBI ball nuts a few times - very good. However quite often the Chinese vendors use chinese ballscrew shaft with imported ballnuts. If they advertise as selling TBI ballscrews, its...

Hi All,

These kits have been for sale for a while now, but not announced on the Zone:

Grizzly G0704 / Weiss WMD25 Belt Drive for Stock motor (14mm or 10mm shaft - please specify)

Available...

It's a 1.5kw BLDC motor (6000rpm). Pretty major overkill for this machine! There's a 1kw version which is about the max you'd want on this size mill. Only run off 200-240v unfortunately

Some test...

Another thing I wanted to do was a bearing cooler, doubling as a coolant router. This is standard practice with machine tool spindles (CNC ones at least). The big 65mm taper roller gets toasty! No...

Before starting this project I wanted to take some measurements to see what's going on - applying a side load to the head and measuring deflection. All measurements where taken with the head...

Hi All,

In this thread I'll gradually add all the projects I've done to my Weiss WMD25LV Machine. If you arent aware, its basically the same as the G0704, and sold under various other names with...

The column mounting isnt too much of an issue for the G0704 & their brothers. Its the column width & depth that cause all the issues. I'll post my solution shortly (in a new thread).

These look like awesome machines. I've seen them on some taiwan sites. Look to be made in Taiwan rather than mainland china.

I'd import a couple in a second if I had the cash. Cost about $3000...

Last time I ordered from Weiss it sounded like they where getting inundated with small orders for parts, so wouldn't be surprised if they start forwarding people to their local agents etc

This page has some good values: EMUGE - Products | Tap Holders | Torque Reference Values for Tapping

32nm required, so about 10kw @ 3000rpm

I have a 1500w BLDC motor putting out 4.8nm (@6krpm)...

There are better, equivalent priced options out there! Check sig for more info.

I was offered a replacement for my original board for another $190 + ~$60 shipping. Couldn't decline quick enough!

I havent read many reports quoting how bad the X3's column is, but this page:

My CNC Adventures about half way through "Crap thing about the X3 #2: The Column"

Quotes 0.5mm deflection with...

Wholesale Bulk 5pcs BT30 ER25 20L

Of course the way most CHEAP ebay sellers work is to hide the cost as shipping, but still, $30ea isn't too bad!

Its not going to be a Maritool chuck, but it...

For these machines you'd only need 3 bearings, 2 angular contact for the spindle proper, and one simple groove bearing supporting the shaft near the belt pulley.

15 degree contact angle are the...

The sound in your video suggests a bad gear mesh rather than a motor problem.

The wierd pulsing @ 600rpm may be down to the motor driver. Could also be caused by poor gear mesh / sloppy gears...

That's quite a good price! I was quoted $2400 from a Taiwanese machine supplier (not rong fu).

The NF2 on the name suggests automatic quill feed. Usually found on Knee mills. Good for manual...

The cheap $5-$10 chinese proximity switches will give you better than 0.01mm. I've tested them pretty thoroughly on my 2 CNC mills and you get a bit of variation in multiple home attempts (likely...

Another vote for proximity switches.

ALL limit switches have to be covered... chips can get into mechanical switches, or optical switches so its not a valid argument.

Inductive switches are...

This.

Although I've moved on to other BLDC motors, I still have this motor & controller I'd like a replacement for...

Thats a little on the tight side, but not by much! I've seen my (WMD25/G0704 etc) mill get down to 0.005 backlash - with double nut ball screws, and the jibs loose however.

Realistically once...

Sounds like a pretty familiar story!

I managed to improve the Y Axis "wedging" (table rising in the Y axis) by scraping the high side of the X dovetail. Can be hard to measure, because the...

I've had enquiries about an NM145 machine. From the images I've been sent it looks like you'd need to make mounting hardware first, and probably bore out the motor pulley to 24mm.

The motor is a...

AM370 Installed on Weiss WMD25LV

http://www.weekendwar.co.nz/hms/images/products/electronics/AM370-WMD25.jpg


AM1500 Installed on Weiss WMD25LV
...

Hi all! I'm pleased to bring a new range of BLDC motors to market. Adlee Powertonic produce some very fine motors - certainly reaches above mainland China's offerings! I've personally been using them...

Could be time for a column support mod? do you have a brick wall behind the mill?

BF 30 column support - YouTube

Really keen to see the more of your servo!

I bought .1257 balls on ebay for my Chai/Linearmotion 16 & 20mm ball screws. They're VERY tight on one ballscrew, yet loose on the other. There may be slight variations on ball nuts (maybe due to...