From Clay to Craft: RINGFI’s 9-Step Birth of a Superior Toilet

From Clay to Craft: RINGFI’s 9-Step Birth of a Superior Toilet

  1. Clay Processing
    Premium kaolin, feldspar & quartz are vacuum-de-aired and aged for 72 h; plasticity ↑30 %, cracking ↓90 %.
  2. Casting
    0.2 MPa pressure-casting fills the mould in 5 min; wall-thickness tolerance ≤ 0.5 mm, zero pin-holes.
  3. Forming
    A 6-axis robot trims 360°, keeping contour deviation within ±1 mm for perfect glaze adhesion.
  4. Turning
    Craftsmen hand-finish the R-angle of the trapway—3-second flush, clog-free for 50 years; a human touch no machine can copy.
  5. Grinding
    Wet diamond pads (1 200#) cut surface roughness to Ra ≤ 0.8 μm, boosting glaze bond by 18 %.
  6. Spray Glazing
    Electro-static guns plus laser thickness gauge deposit an even 1.1 mm coat—no crawling, no running.
  7. Firing
    18 h at 1 280 °C in full-oxidation flame; water absorption ≤ 0.2 %, density 2.4 g/cm³, stone-grade hardness.
  8. Triple Quality Inspection
  • AI vision: flags defects >0.3 mm
  • Function: 100 000 flush cycles, zero leakage
  • Laser flatness: edge warp ≤ 0.1 mm
    Fail any step and the piece is recycled—never re-worked.
  1. Packing
    Heat-shrink + honeycomb board + corner foam, survivors of a 1.2 m drop test; ready for intercontinental travel.
Nine steps turn common clay into a RINGFI toilet that will serve for 15 years.
The final process is your peace of mind.
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