robodatech.CNC machines
Roboda G2 Spindle Kit
Welded-steel moving-gantry router kit, 1200 x 1200 x 250 mm, epoxy-bedded rails
₹200,000.00 excluding GST
Specification
| Platform | Roboda G2 |
|---|---|
| Head | spindle |
| Operations | milling, cutting, engraving |
| Materials | Wood (Production), Plastic (Production), Acrylic (Production), Aluminium (Capable); not supported: Steel, Mild steel |
| Assembly time | about 21.0 hours |
| Lead time | 21 days |
| MRP incl. 18% GST | Rs 236,000.00 |
What this machine will and will not work
| Wood Production | The production material and the reason for the envelope. Ply, MDF, pine, teak, rubberwood, hardwood and 1 220 mm sheet goods in general. The reference cut is a 10 mm compression cutter taking a full-width slot 10 mm deep in 18 mm ply at 3 000 mm/min - 300 000 mm3/min at about 300 W, against 750 W available at that speed and about a third of the machine's force budget. Full-sheet nesting, cabinet parts, jigs and door panels are what this machine is for; run the dust shoe and a real extractor, because the dust is the hazard, not the cut. |
|---|---|
| Plastic Production | Delrin, nylon, HDPE, ABS, polypropylene and foam PVC board machine very well at 12 000-18 000 rpm with a single-flute O-flute and a deliberately high chip load. The rule is chip load, not speed: too fine a chip melts the plastic and welds it behind the cutter. Run dry with the air blast kit. Do not cut PVC sheet - milling it is fine mechanically, but the dust and any local heating release hydrogen chloride and this machine has no fume extraction. |
| Acrylic Production | Cast acrylic profiles, engraves and edge-finishes cleanly with a single-flute O-flute at 14 000-18 000 rpm and a 0.10-0.15 mm chip load, finishing with a climb pass at 0.2 mm. Sign and display work in full 1 200 mm sheets is a production job on this machine. Extruded acrylic melts behind the cutter unless the feed stays high, and any acrylic will craze if it meets coolant - use air blast only, never the spindle's water loop, and never mist. |
| Aluminium Capable | Real aluminium work with real limits. 6061 and 6082 with an 8 mm three-flute carbide at 14 000 rpm, 2 mm radial by 8 mm axial, 0.05 mm per tooth, 2 100 mm/min, air blast, adaptive or trochoidal paths. That is the sizing cut and it is 340 N - the entire force budget. What decides the parts: at 2 059 N/mm of static stiffness, 340 N is **0.165 mm of tool-tip deflection**. The cutter takes what is left after the machine has bent, and gives it back on the next pass. So treat the sizing cut as **roughing**, leave 0.3 mm on the wall, finish at half the radial engagement and follow with a spring pass. Roughed only, expect about +/- 0.2 mm on a wall; with the finish and spring pass, about +/- 0.08 mm. Plates, brackets, jig components, extrusion machining and face plates in 3-20 mm stock are all in scope. Hogging slots is not, and neither is a 0.05 mm tolerance straight off a roughing pass on any machine in this price band. 'Capable' rather than 'production' is the honest class: the machine will do this all day, but it does it at a third of the feed a machine built only for metal would use. |
| Steel Not supported | Not supported, and no setting changes that. Steel at a 0.03 mm chip needs roughly 2 000 N/mm2 of specific cutting force - about 2.4 times the aluminium figure this machine was sized against - and it needs real torque at 1 500-3 000 rpm, which a 24 000 rpm ER16 spindle with constant torque below base speed cannot deliver at the bottom of its range. Attempting it deflects the gantry 0.4 mm and more, rubs instead of cutting, work-hardens the surface and destroys the cutter. Steel milling on a Roboda platform starts at RBK-E1, which is a different structure with a different spindle for exactly this reason. |
| Mild steel Not supported | Not supported, for the same reasons as steel plus one more: hot-rolled mild steel carries an abrasive mill scale that a carbide cutter can only get under by taking a deep first pass, and a deep first pass is precisely what a 350 N, 2 059 N/mm machine cannot take. Scribing or engraving mild steel with a diamond drag bit is mechanically possible because it removes no material, but that is not milling and it is not published as a capability here. |
Full specification sheet, drawings and what is in the kit
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