robodatech.CNC machines
Roboda D2 Dual Head Kit
Desktop fixed-gantry router kit, 420 x 300 x 90 mm travel, builds in a day
₹64,000.00 excluding GST
Specification
| Platform | Roboda D2 |
|---|---|
| Head | spindle laser |
| Operations | milling, cutting, engraving, laser_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 75,520.00 |
What this machine will and will not work
| Wood Production | Both heads are at their best here and they complement each other. The spindle takes the 6 mm two-flute sizing cut - a full-width slot 8 mm deep in hardwood at 1 200 mm/min, 57 600 mm3/min - for anything structural, three-dimensional or thicker than 6 mm. The laser takes engraving, inlay outlines, kerf-bend patterns and clean through-cuts in 3 mm ply at 350 mm/min, where a router leaves tear-out and a laser leaves a 0.2 mm kerf. Run the dust shoe and the vacuum for spindle work and the fume extraction for laser work; do not run a laser job over a router-dusty honeycomb tray, because MDF dust in the tray is fuel. |
|---|---|
| Plastic Production | Production class on the strength of the spindle, which mills HDPE, Delrin, nylon, ABS and PP cleanly with a 3.175 mm single-flute O-flute at 12 000 rpm and a high chip load, dry. The laser adds engraving and marking on dark, opaque sheet only - at 450 nm, clear and light-coloured plastics are effectively transparent and the beam passes straight through them into the tray. PVC and PTFE are forbidden to **both** heads: milling them releases hydrogen chloride and lasering them is worse. That prohibition is not softened by having two heads. |
| Acrylic Capable | The spindle profiles and engraves cast acrylic well with a single-flute O-flute at 12 000 rpm, 2 mm per pass and at least 900 mm/min - the feed is what stops the chip welding back into the kerf - and it handles clear sheet, which the laser cannot. The laser handles dark and opaque cast acrylic at 3 mm in two passes with a matt edge, and cannot touch clear or translucent acrylic at all at this wavelength. Between them the two heads cover most acrylic work, which is why the class is 'capable' rather than 'light' - but neither head gives the flame-polished edge a CO2 laser does, and this platform has no CO2 variant. |
| Aluminium Light duty | Light work only, and **lighter than on the spindle-only kit**. The dual mount puts the spindle 148 mm ahead of the X wheel plane instead of 130 mm and 112 mm below the Z wheels instead of 95 mm, which takes the tool-tip deflection under the full budget from 132 to 155 microns - 580 N/mm against the S kit's 683. The published aluminium cut is therefore halved again: 6061 and 6063 with a 3 mm single-flute carbide at 12 000 rpm, **0.25 mm depth of cut** in a full-width slot at 480 mm/min with a mist of alcohol or WD-40. Engraving, tags, small brackets and drilling are realistic; pocketing a plate is not. The laser adds surface marking on anodised or powder-coated aluminium by ablating the coating - a genuine capability - but does not cut, engrave or mark bare aluminium, which reflects most of a 450 nm beam. |
| Steel Not supported | Neither head touches steel and having two of them changes nothing. The spindle cannot mill it: 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 demands well over twice the 90 N in-plane budget, and at 0.58 N per micron the frame deflects a third of a millimetre before the cutter loads up - chatter, a ruined carbide cutter and a real risk of throwing the work. There is no flood coolant and no way to fit any. The laser cannot cut it either, by three orders of magnitude, and cannot mark it because bare steel reflects 450 nm and needs a 1064 nm fibre source. Steel milling in the K-Series starts on the enclosed C-frame and vertical-mill platforms; steel marking exists only on the fibre variant of the enclosed platform. |
| Mild steel Not supported | Mild steel is refused on both heads for the same physics as steel, plus two reasons 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 inside a beam shield that was never designed as a chip guard. For the laser, mill-finish mild steel produces a bright specular reflection out of the machine and nothing on the workpiece, which is exactly the hazard the reflective-materials rule exists to prevent. Cutting mild steel sheet in the K-Series is a plasma-head job on the large-format platforms only. This remains a wood, plastic and light-aluminium machine with a laser on it. |
Full specification sheet, drawings and what is in the kit
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