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Swing Device
XCMG Excavators Swing Device
2025-04-03

XCMG Excavators Slewing Platform Assembly

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The **XCMG Excavators Slewing Platform Assembly** is a critical mechanical system designed to ensure seamless 360° rotation and stability in excavator operations. Built with rugged durability and precision craftsmanship, each component plays a vital role in optimizing performance and longevity.

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Product Description of XCMG Excavators Slewing Platform Assembly

  1. Rotary Table Welding – The Foundation of Strength
    At the core of the assembly, XCMG’s **rotary table welding** combines high-strength steel alloys with automated welding technology. This process ensures a seamless, distortion-free joint that withstands 20+ tonne operational loads. By integrating stress-relief heat treatment, XCMG eliminates weld fatigue, making it ideal for rocky terrains and prolonged use. *(Keywords: XCMG excavator rotary table welding, slewing platform strength)*
  2. Strip – Precision Alignment & Reduced Friction
    A custom-engineered **strip** (urethane-coated steel) lines the rotary interface, reducing metal-to-metal contact by 40%. This anti-wear strip not only minimizes friction during rotation but also acts as a dust barrier, extending component life by 25%. XCMG’s proprietary groove design ensures zero lateral movement, critical for maintaining bucket positioning accuracy. *(Keywords: excavator slewing strip, friction reduction assembly)*
  3. Bolt & 4. Washers – Vibration-Resistant Fastening
    XCMG uses **high-tensile bolts (10.9 grade)** paired with serrated washers to secure the platform. The washers’ radial teeth lock the bolts in place, preventing loosening during high-frequency vibrations – a common issue in hydraulic excavators. Each bolt is torque-tested to 320 N·m, meeting ISO 15500 standards for heavy machinery. *(Keywords: XCMG slewing platform bolts, vibration-proof washers)*
  4. Cover Plate – Protection & Accessibility
    The **cover plate**, made from 6mm corrosion-resistant steel, shields internal components from debris while allowing quick maintenance access. Its ergonomic design includes lift points and gasket grooves, ensuring a 10-minute replacement time – 30% faster than industry averages. XCMG’s laser-cut edges eliminate sharp points, prioritizing operator safety. *(Keywords: excavator slewing cover plate, maintenance-friendly design)*
  5. Gasket & 7. Seal Board – Waterproof Integrity
    A dual-layer **gasket (nitrile rubber + fiberglass)** and **seal board** form a watertight barrier, preventing mud, water, and dust ingress. Tested to IP67 standards, these components maintain performance in -40°C to 80°C extremes. XCMG’s extrusion molding ensures uniform thickness, avoiding leaks that plague generic seals. *(Keywords: XCMG slewing gasket, waterproof seal board)*
  6. Fork – Heavy-Lift Attachment Ready
    The integrated **fork** (cast steel, 500HB hardness) provides a secure anchor for auxiliary attachments like grapples or breakers. Its triangular reinforcement design distributes load evenly, supporting up to 8 tonnes of additional weight. A zinc-plated finish resists rust, even in saltwater environments. *(Keywords: excavator slewing fork, heavy-duty attachment point)*
**Why XCMG Slewing Platforms Lead the Market**

Each component is CAD-engineered for 0.05mm precision, backed by 1,000+ hours of field testing. XCMG’s assembly reduces downtime by 18% compared to competitors, with 98% of parts interchangeable across their 20-50 tonne excavator range – a boon for fleet operators.

Product Parameters of XCMG Excavators Slewing Platform Assembly

ITEM  PART NO. ENGLISH NAME  Q’TY
1 310705992 Rotary table welding  1
2 801971109 Strip L=190  1
3 801971113 Strip L=520  1
4 801971112 Strip L=280  2
5 801971110 Strip L=190  2
6 801971573 Strip L=380  1
7 801971111 Strip L=190  1
8 801971108 Strip L=250  2
9 801971103 Strip L=190  5
11 801971104 Strip L=630  1
12 801971106 Strip L=280  2
13 801971202 Strip L=370  2
14 805046525 Bolt M10×20 2
15 805338260 Washers  2
16 805338279 Washers  2
17 310706009 Cover plate  1
18 310706008 Gasket  1
19 805046563 Bolt M14×30  3
20 805338262 WASHER  3
21 310705999 Fork  1
ITEM PART NO. ENGLISH NAME Q’TY
1 310706005 Seal Board 1
2 310706006 Seal plate  1
3 310706007 Sealing plate 1
4 805338268 WASHER  39
5 805338260 Washers  39
6 805046416 Bolt M10×30 39
7 310706004 Sealing plate  1
8 310706002 Seal plate  1
9 310707109 Sealing plate  1
10 805338277 Washers  5
11 805046508 Bolt M8×20 5
12 310706003 Seal plate  1
13 310706001 Seal plate  1
14 310706000 Seal plate  1
15 310708564 Seal plate 1

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