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shopbot -- routerish things. MIT

CNC desktop systems:

Levil (Oviedo, FL ) LV350D basic, LV350D plus, WL400

max part size: 14x10x8 max travel (16.5x8.5x8 for WL400)
machine size, weight: 20 x 28 x 30 inch, 200 lbs
resolution: 0.00003 inch
repeatibility: 0.0001 inch (0.0002 inch for WL400)
quoted accuracy: 0.001 inch over whole workspace
motors: brush DC servos
spindle: to 10,000 rpm (manual control),
- up to 18,000 rpm for LV350D plus and WL400, 2 Hp spindle with toolchanger (up to 15 tools)
supposedly OK for "soft metals" AL etc.
cost: $8,950 for LV350D basic, $15,250 for LV350D plus, $16,850 for LW400
features: provision for 4th axis control, fancier "like G-code" built-in interpolation & etc., 15mm Hiwin linear guideways, , software "open architecture in Delphi", aluminum structural elements. WL400 has acrylic enclosure.

ACT DMC-III (Granada Hills, CA 91344)

max part size: 12x8x6 inch
machine size, weight: 27 x 30 x 31 inch, 260 lbs
resolution: 0.00008 inch
repeatibility: 0.0004 inch
quoted accuracy: 0.001 inch over whole workspace
motors: "microstep" sine wave stepper axes, brushless spindle
spindle: 1500-12000 rpm, 1/3 Hp computer controlled speed
supposedly OK for small stainless steel (< 1/8 thick) with sufficient spindle speed
cost: ? $10K or less
features: provision for 4th axis control, HIWIN 20mm twin type linear guideways, cast iron structural elements
- uses standard Mach 3 CNC software

Tormach PCNC1100 -- This is a larger machine. (Maybe too big for in-lab?) This may be the one Prototype This! used.

max part size: 18x9.5x16 inch
machine size, weight: 56 x 45 x 60 inch, 1130 lbs
resolution: 0.0001 inch
repeatibility: ?
quoted accuracy: 0.001 inch
motors: "microstep" stepper axes
spindle: 100-5100 rpm, 1.5 Hp computer controlled speed
supposedly OK for small stainless steel (< 1/8 thick) with sufficient spindle speed
cost: ~$8K
features: probably more rigid than the systems above; 4th axis option; traditional axis ways

Premade CNC version of Sieg(?): http://www.syilamerica.com/product_X4.asp , http://www.syilamerica.com/product_X4_plus.asp -- this looks pretty reasonable. Looks like CNC conversion of Chinese mill.

 Cheaper systems more aimed at hobby market:

Grizzly Industrial now sells the Super X3 under the model number G0619 for $1295.00 (see below for details).
http://www.home-machine-shop.com/X3_Mill/Super_X3_Mill.htm -- tips on CNC conversion
http://www.home-machine-shop.com/X3_Mill/X3_Conversion.pdf
(Sieg?) LM LM Milling Machine

A more expensive 5 axis with rather small working volume: http://www.microlution-inc.com/products/5100.php

Larger workspace, lower rigidity. But in some cases, very good precison.

Datron Dynamics has some interesting offerings. Maybe too large... 60,000 rpm spindle.

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Page last modified on July 13, 2011, at 12:09 AM