| Specification | Description |
|---|---|
| Product Name | Hydrocone Hydraulic Piston (for Gap Setting / Overload Protection, similar to Part No. 15 in Arman) by Novincsm |
| Material & Composition | Ductile Cast Iron (ASTM A536 Grade 65‑45‑12) or Alloy Steel (SAE 4140); hydraulic cylinder with NBR/PU seals |
| Hardness | HB 180–250 (cast iron/steel); Rockwell C 20–30 (cylinder surface) |
| Operating Temperature | Max 80–150 °C (hydraulic system); continuous: 20–100 °C |
| Dimensions | Diameter: 100–150 mm (for 36 inch); Length: 300–500 mm; Stroke: 50–100 mm (CSS adjustment 8–48 mm) |
| Approx. Weight | 50–100 kg (complete piston, depending on model) |
| Working Pressure | 100–200 bar (hydraulic adjustment); overload capacity: up to 250 t/h |
| Movement Speed | 0.5–1 m/min (stroke adjustment); CSS adjustment time: 1–2 minutes |
| Color & Finish | Black/gray (powder coating); smooth cylinder surface |
| Application Method | Hydraulic installation in main frame; automatic CSS adjustment with overload sensor |
| Surface & Tolerance | Surface roughness: Ra 1.6–3.2 μm (cylinder); Tolerance: ±0.03 mm; Leakage pressure: <1 bar |
| Wear Resistance | High (30% longer service life with ductile cast iron; suitable for 1,000–2,000 t throughput) |
| Thermal Resistance | Excellent; up to 150 °C (hydraulic oil operation) |
| Manufacturing Process | Casting/machining (cast iron from ingot) + heat-treated; single piston for adjustment and overload protection |
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Initial consultation and information exchange
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Primary Function:
Adjusts the closed side setting (CSS 8–48 mm) and provides overload protection in hydrocone crushers, maintaining the balance of the main shaft.
Industries:
Mining in Kenya (granite crushing)
Cement plants (Nairobi / Mombasa)
Construction (sand production)
Types:
Single Piston: CSS adjustment, e.g., Sandvik QH models
Double Piston: Overload protection for heavy-duty models
Rapid CSS Adjustment: 1–2 minutes for single piston; automatic overload protection
Efficiency Improvement: Up to 30% higher productivity due to reduced downtime
Durability: 1,000–2,000 t service life with ductile cast iron
Market Compatibility: Fits Novincsm, Delta, and Sandvik hydrocone models in Kenya
Easy Installation: Hydraulic setup in 30 minutes; operating pressure up to 200 bar
Sensitive to oil temperatures above 150 °C (requires cooling)
Heavy weight requiring crane handling
Used units may have worn cylinders (check tolerance ±0.03 mm)
Installation:
Mount in main frame; connect hydraulic system; alignment tolerance ±0.05 mm (1–2 hours)
Maintenance:
Lubricate every 200 hours; monitor pressure (100–200 bar); replace seals if wear >5 mm
Transport:
Maximum 150 kg per trailer (single unit); 5‑ton crane required
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