robodatech.CNC machines
Roboda D2 Spindle Kit
Desktop fixed-gantry router kit, 420 x 300 x 90 mm travel, builds in a day
₹25,500.00 excluding GST
Specification
| Platform | Roboda D2 |
|---|---|
| Head | spindle |
| Operations | milling, cutting, engraving |
| Materials | Wood (Production), Plastic (Production), Acrylic (Capable), Aluminium (Light duty); not supported: Steel, Mild steel |
| Assembly time | about 6.2 hours |
| Lead time | 10 days |
| MRP incl. 18% GST | Rs 30,090.00 |
What this machine will and will not work
| Wood Production | This is what the machine was designed around. Softwood, hardwood, plywood and MDF cut cleanly with a 6 mm two-flute at 10 000 rpm, 8 mm depth of cut and 1 200 mm/min - 57 600 mm3/min, which is the sizing cut in the force budget. Hardwood at full depth in one pass is within budget; take end-grain and figured stock at half the depth. Always run the dust shoe: MDF dust is a sensitiser and hardwood dust is a carcinogen, and the machine has no enclosure. |
|---|---|
| Plastic Production | HDPE, Delrin, nylon, ABS and PP machine well with a 3.175 mm single-flute O-flute at 12 000 rpm and a high chip load - 0.08 mm per tooth or more - so the chip carries the heat away instead of melting the cut closed. Run dry. Do not machine PVC or any chlorinated plastic on this or any Roboda kit: it releases hydrogen chloride, which harms lungs and corrodes the machine. |
| Acrylic Capable | Cast acrylic engraves and profiles well with a single-flute O-flute at 12 000 rpm, 2 mm depth per pass and at least 900 mm/min - the feed is what stops the chip welding back into the kerf. Extruded acrylic is much less forgiving and will craze and gum at these speeds. Class is 'capable' rather than 'production' because acrylic is unforgiving of the feed drop-off that an open-loop machine produces in tight corners, and a stalled feed melts the cut. |
| Aluminium Light duty | Light work only, and the published depth is deliberately half the depth the structure is sized for. 6061 and 6063 with a 3 mm single-flute carbide at 12 000 rpm, **0.3 to 0.5 mm depth of cut**, full-width slot at 480 mm/min, with a mist of alcohol or WD-40 on the cut - about 720 mm3/min at 0.5 mm. The reason for the gap between the two numbers is worth having. The frame is sized for the 1.0 mm slot, because that is the cut a customer will try, and it survives it: 47.5 N in plane against a 90 N budget. But surviving a cut and cutting it well are different questions. At 0.68 N per micron the 1.0 mm slot pushes the cutter about 70 microns out of position and leaves a tapered wall and a chattered finish; the 0.5 mm slot moves it 35 microns, which is a part. Engraving, small brackets, faceplates and drilling in aluminium are realistic. Pocketing a 10 mm plate is not. |
| Steel Not supported | This machine cannot mill steel and Roboda will not claim it can. Steel needs roughly 2 100 N/mm2 of specific cutting force against 950 for aluminium, so even a 1 mm deep, 3 mm wide pass would demand well over twice the 90 N in-plane budget. At 0.68 N per micron of static stiffness the frame would deflect a third of a millimetre before the cutter loaded up, which produces chatter, an instantly ruined carbide cutter and a real risk of throwing the workpiece. There is also no flood coolant and no way to fit any. Steel milling starts at the enclosed C-frame and vertical-mill platforms, which are built for it; it does not start here. |
| Mild steel Not supported | Mild steel is refused for the same reasons as steel, plus two of its own. Hot-rolled scale is abrasive enough to destroy a 3 mm carbide cutter in one pass on a machine that cannot take a deep enough first cut to get under it, and the swarf is hot and sharp on an open frame with no guarding and no chip tray. Marking or engraving mild steel is not supported either: the fibre-laser variant of the enclosed platform is the only Roboda machine that marks steel, and plasma cutting of steel sheet only exists on the large-format platforms. This is a wood, plastic and light-aluminium machine. |
Full specification sheet, drawings and what is in the kit
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