Engineered For 100-Ton Lifts: The ZL100-1120 Sheave
When your operation's success and safety depend on a 100-ton lift, component integrity is absolute. The ZL100-1120 is an extreme-duty sheave engineered precisely for this reality. It is not a standard part; it is a 1120 mm, hot-forged 35CrMo alloy steel solution, purpose-built to deliver ultimate strength and fatigue resistance. With a fully quenched rope groove to combat high-load abrasion, this sheave is the definitive choice for critical-path machinery in ports, mining, and heavy construction.
- Product Introduction
In the world of extreme heavy lifting, "good enough" is a non-starter. Component failure is not an option. This is the design principle behind the ZL100-1120, a sheave built for a 100-ton safe working load and engineered from the material up to ensure performance under pressure.
The Heart of its Strength: Forged 35CrMo Alloy
This sheave's journey begins as a solid billet of premium 35CrMo (Chromium-Molybdenum) alloy steel. It is then subjected to an intensive hot-forging process, aligning the material's grain structure to create a component of immense tensile strength and impact toughness. Unlike cast parts, this forged body offers superior resistance to fatigue and shock loads-an absolute necessity when 100 tons are on the line.
A Surface Built for Extreme Wear
Strength alone is not enough. A sheave is a high-wear component. To solve this, the entire 18 mm radius rope groove is precision-quenched (heat-treated). This secondary process creates an incredibly hard, wear-resistant surface, vital for resisting the immense crushing and abrasive forces of a heavy-gauge wire rope (approx. 34-36 mm).
This dual-philosophy-a tough, ductile forged core to prevent catastrophic failure and a hard, sacrificial surface to ensure a long operational life-is what defines this component.
Field-Validated in Heavy Industry
The ZL100-1120 is not a general-purpose part. It is a specialized, engineered solution for the most demanding machinery on earth:
Ship-to-Shore (STS) Port Cranes
Heavy-Lift Offshore and Subsea Platforms
Main Hoists on Gigaton-Class Crawler Cranes
Steel Mill Ladle Cranes
Mining Draglines and Shovels
Technical Dossier: ZL100-1120
Safe Working Load (SWL): 100 Tons
Model: ZL100-1120
Primary Material: Hot-Forged 35CrMo Alloy Steel
Groove Treatment: Surface Quenched (Heat Treated)
Outer Diameter: 1120 mm
Bore Diameter: 310 mm (Designed for 6234-series bearing)
Rope Groove Radius: 18 mm
Total Thickness: 128 mm
Web Thickness: 20 mm
Consult With Our Engineers
A component of this scale requires expert integration. Contact our engineering team to discuss your application, request full material certification data, and specify the ZL100-1120 for your most critical lifting systems.
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