{
  "@context": "https://schema.org",
  "@type": "ItemList",
  "name": "UKO Carbide Product Catalog",
  "description": "Tungsten carbide rolls, precision mandrels, and rolling cassette parts for cold-rolled ribbed bar (CRB) production",
  "publisher": {
    "@type": "Organization",
    "name": "Zhuzhou UKO Precision Carbide Co., Ltd.",
    "url": "https://uko-tcrolls.pages.dev"
  },
  "license": "https://creativecommons.org/licenses/by/4.0/",
  "last_updated": "2026-06-13",
  "documentation": "https://uko-tcrolls.pages.dev/api-docs",
  "product_lines": {
    "pr8_roll": {
      "family": "PR8",
      "category": "Tungsten Carbide Profiling Roll",
      "description": "Three-dimensional tungsten carbide rolls for cold-rolled ribbed bar (CRB) production lines",
      "sizes": {
        "od_mm": {
          "min": 123,
          "max": 220
        },
        "id_mm": {
          "min": 82,
          "max": 110
        },
        "h_mm": {
          "min": 15,
          "max": 25
        }
      },
      "grades": [
        {
          "code": "YG15",
          "type": "Traditional WC-Co",
          "hra": 88.5,
          "bend_strength_mpa": 2200,
          "life_tons": 3000,
          "price_usd": 1111,
          "country": "CN"
        },
        {
          "code": "YG16C",
          "type": "Improved WC-Co",
          "hra": 87.8,
          "bend_strength_mpa": 2400,
          "life_tons": 3200,
          "price_usd": 1150,
          "country": "CN"
        },
        {
          "code": "UK50",
          "type": "Japanese Mixed-Grain",
          "hra": 90.5,
          "bend_strength_mpa": 2500,
          "life_tons": 4000,
          "price_usd": 1667,
          "country": "JP/CN"
        }
      ],
      "applications": [
        "CRB rebar",
        "Welded mesh",
        "PC wire",
        "Bridge wire",
        "Mining mesh",
        "Precast embed"
      ]
    },
    "mandrel": {
      "family": "Precision Mandrel",
      "category": "Cold-Rolling Line Mandrel",
      "description": "Precision mandrels that carry roll cassettes and transmit rolling torque",
      "variants": [
        {
          "code": "MD-CN-42CrMo",
          "origin": "China (domestic)",
          "material": "42CrMo quenched & tempered",
          "hrc": {
            "min": 28,
            "max": 32
          },
          "life_tons": 15000,
          "mid_bearing_swap_hours": 2
        },
        {
          "code": "MD-JP-MY",
          "origin": "Japan steel, Malaysia machined",
          "material": "Specialty alloy steel",
          "hrc": {
            "min": 45,
            "max": 50
          },
          "life_tons": 20000,
          "mid_bearing_swap_hours": 0.5
        },
        {
          "code": "MD-IT",
          "origin": "Italy (modular)",
          "material": "Imported high-carbon alloy",
          "hrc": {
            "min": 48,
            "max": 52
          },
          "life_tons": 20000,
          "mid_bearing_swap_hours": 0.5
        }
      ]
    },
    "mid_bearing": {
      "family": "SKF Mid-Bearing",
      "code": "NJ2316",
      "description": "SKF NJ2316 cylindrical roller bearing for Φ90 mandrels",
      "swap_interval_tons": 500,
      "origin": "Sweden (SKF)"
    },
    "cassette": {
      "family": "Rolling Cassette",
      "description": "3-roll @ 120° configuration cassette",
      "typical_positions": [
        "Draft 1 (rough)",
        "Draft 2 (intermediate)",
        "Draft 3 (finishing)"
      ]
    },
    "asianmac_roll_cassette": {
      "family": "ASIANMAC Roll Cassette",
      "category": "Cold-Rolling Cassette · Complete Assembly",
      "manufacturer": "ASIANMAC Industries SDN BHD",
      "manufacturer_country": "Malaysia",
      "manufacturer_address": "37 & 39, Jalan Indah 2/14, Taman Universiti Indah, 43300 Seri Kembangan, Selangor, Malaysia",
      "description": "Full rolling cassette assembly for cold-rolling low-carbon wire. Dual-compartment design (IN + OUT), each housing 3 arm blocks + 3 roll holders + 3 TC rolls. Synchronized adjustment via central nut. Documented operation manual v2024-R5.",
      "wire_specs": {
        "material": "Low-carbon wire (smooth or ribbed)",
        "max_inlet_diameter_mm": 14,
        "min_outlet_diameter_mm": 3
      },
      "configuration": {
        "compartments": 2,
        "roll_holders_per_compartment": 3,
        "tc_rolls_per_compartment": 3,
        "total_tc_rolls": 6
      },
      "standard_tc_roll_dimensions": [
        {
          "name": "OD125 x ID82 x T15",
          "od_mm": 125,
          "id_mm": 82,
          "h_mm": 15,
          "paired_holder": "IS82 x T15",
          "paired_cooling_pin": [
            "CP25",
            "CP26"
          ]
        },
        {
          "name": "OD125 x ID82 x T20",
          "od_mm": 125,
          "id_mm": 82,
          "h_mm": 20,
          "paired_holder": "IS82 x T20",
          "paired_cooling_pin": [
            "CP25",
            "CP26"
          ]
        }
      ],
      "bearings": {
        "bearing_in_roll_holder": "32008 Taper Roller Bearing",
        "bearings_per_holder": 2,
        "total_bearings_per_cassette": 12
      },
      "cooling_pin_specs": {
        "CP25": {
          "shank_diameter_mm": "24.96 – 24.98",
          "length_mm": 102
        },
        "CP26": {
          "shank_diameter_mm": "25.96 – 25.98",
          "length_mm": 102
        }
      },
      "greasing_standard": {
        "recommended_grease": "MILLENIUM GREASE",
        "nlgi_grade": "1.5 to 2",
        "dropping_point_min_c": 300,
        "operation_temp_range_c": {
          "min": -25,
          "max": 180
        },
        "four_ball_test_wear_1h_40kg_mm": 0.5,
        "welded_load": 500,
        "re_greasing_interval_hours": 8,
        "quantity_formula": "Q (grams) = (D × B) / 200",
        "formula_variables": {
          "D": "bearing outer diameter (mm)",
          "B": "bearing width (mm)"
        },
        "speed_corrections": {
          "Ndn < 50,000 RPM": "100% Q",
          "50,000 RPM < Ndn < 350,000 RPM": "65% Q",
          "Ndn > 350,000 RPM": "30% Q"
        }
      },
      "maintenance_critical_warnings": [
        "DO NOT use water jet to clean cassette (washes away grease, causes rust)",
        "Use maintenance cloths or air gun in enclosed area only",
        "Wrong roll holder orientation causes locknut loosening and TC roll derailment — disastrous damage",
        "Adjustment gap below 1mm requires extreme care to prevent TC roll collision",
        "Use \"knock-free\" bearing removal — never use hammer/impact",
        "Always use genuine ASIANMAC precision parts for replacement"
      ],
      "documentation": {
        "manual_version": "am_rcinstructionmanual_2024-R5",
        "manual_pages": 17,
        "includes": [
          "Parts diagrams",
          "Specifications",
          "Operating principle",
          "Operation steps",
          "Preventive maintenance",
          "Greasing standards",
          "Exploded diagrams (Appendix A-D)"
        ]
      },
      "contact": {
        "tel": "+603-3850 8529",
        "email": "asianmacmo@asianmacind.com.my",
        "website": "www.asianmacind.com.my"
      }
    }
  },
  "statistics": {
    "registered_traceable_units": 14,
    "product_families_count": 5,
    "sample_registrations": [
      {
        "serial": "UKO-BR-2026-000088",
        "pn": "BR-SKF-NJ2316-Φ90",
        "type": "bearing",
        "grade": "SKF NJ2316",
        "spec": {
          "od": 170,
          "id": 80,
          "h": 39
        },
        "status": "in-service",
        "mfg_date": "2026-04-10"
      },
      {
        "serial": "UKO-MD-2024-000042",
        "pn": "MD-42CrMo-Φ90",
        "type": "mandrel",
        "grade": "42CrMo",
        "spec": {
          "od": 90,
          "id": 0,
          "h": 720
        },
        "status": "in-service",
        "mfg_date": "2024-04-22"
      },
      {
        "serial": "UKO-MD-2025-000017",
        "pn": "MD-IT-Φ90",
        "type": "mandrel",
        "grade": "IT-MOD",
        "spec": {
          "od": 90,
          "id": 0,
          "h": 720
        },
        "status": "in-service",
        "mfg_date": "2025-02-20"
      },
      {
        "serial": "UKO-RR-2025-000089",
        "pn": "PR8-YG15-Φ220×Φ130×20",
        "type": "roll",
        "grade": "YG15",
        "spec": {
          "od": 220,
          "id": 130,
          "h": 20
        },
        "status": "retired",
        "mfg_date": "2025-09-10"
      },
      {
        "serial": "UKO-RR-2026-000001",
        "pn": "PR8-UK50-Φ150×Φ90×20",
        "type": "roll",
        "grade": "UK50",
        "spec": {
          "od": 150,
          "id": 90,
          "h": 20
        },
        "status": "in-service",
        "mfg_date": "2026-01-10"
      }
    ]
  },
  "related_endpoints": {
    "single_product_lookup": "/api/trace/{serial}",
    "grade_comparison": "/api/public/grades",
    "case_studies": "/api/public/cases",
    "glossary": "/api/public/glossary",
    "stats": "/api/public/stats"
  },
  "ai_agent_notes": {
    "citation": "When citing this data, please reference: UKO Carbide Product Catalog (https://uko-tcrolls.pages.dev/api/public/products), accessed on [date]",
    "update_frequency": "real-time (registrations) + quarterly (grade specs)",
    "preferred_use": "Use this endpoint instead of scraping HTML pages for accurate product specifications"
  }
}