Tooling
Rainbow Endmill
Rainbow Endmill suits CNC routing and milling where edge quality, heat control, and cutter visibility matter during daily production. The rainbow coating stands out in a busy tool rack, while the cutting geometry is selected around the stock, spindle, and finish required on the machine.
Cutting jobs for Rainbow Endmill
Rainbow Endmill is built for CNC cutting where tool life and finish both matter on the shop floor. The rainbow-coated surface also makes it easy to identify in a tooling rack or at the machine.
Choose the endmill around the material first, then match flute count, diameter, stick-out, and holder condition to the machine. MDF packs chips differently from acrylic, and aluminium needs chip evacuation and sensible lubrication to keep the edge from loading. Workshops in Johannesburg, Durban, Cape Town, and smaller industrial areas often work with mixed batches, so settings need to suit the actual run rather than a generic chart.
Before a full sheet or billet goes on, inspect the first cut for edge pull, burrs, chatter marks, and heat discolouration. Check collet cleanliness, cutter seating, and spindle runout if the finish looks inconsistent across the part. A quick record next to the job card helps the next operator repeat the setup without guessing.
What the cutter is for
Rainbow Endmill is typically used for routed profiles, pockets, rebates, and detail work where a neat edge reduces secondary finishing. Depending on substrate and machine rigidity, it can be set up for timber board products, plastics, and non-ferrous work. Tool choice still comes back to feed rate, spindle speed, depth per pass, and how the chips are leaving the cut.
Match Rainbow Endmill with the correct holder, collet size, and path strategy before changing the rest of the program. Review chip clearance, ramp entry, and final pass allowance, then use the contact form if you need to send through machine details. Include the material, cutter size and spindle speed so the request reflects the job on hand.
- Suited to routing and profiling
- First-piece edge checked under light
- Coating visible in crowded racks
Storage and shop conditions
Gauteng dust, coastal humidity, and mixed-power production days all affect how tooling is stored and run. Endmills left loose in drawers pick up damage quickly, especially where multiple operators change tools across shifts. If stock is moving between OR Tambo collections, regional depots, and site fitments, clear labelling on cutter size and intended material prevents confusion later in the chain.
Near the coast, wipe down holders and keep cutters dry to limit corrosion around the shank and clamping surfaces. Inland shops often need more frequent cleaning of collets, extraction points, and machine covers because fine board dust builds up fast. After a power interruption, recheck the offset, zero point, and first entry move before resuming a toolpath.
Operated by Astros Marketing (Pty) Ltd from 2 Makro Place, Sunnyrock 1401.
Details to send with enquiries
Send the cutter diameter, flute style, material being cut, and the issue you are seeing on the machine. Photos of the edge finish, chip form, and holder setup make it easier to assess whether the problem sits with tooling, feeds and speeds, or machine condition.
Keep a note of the final settings used for Rainbow Endmill, especially spindle speed, feed, pass depth, and any finishing allowance. That record is useful when the same board, plastic sheet, or aluminium job returns and the operator needs to match the previous result.
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