Laiwu Marine Machinery Disc Forging Case, Shandong

In the marine machinery industry, the reliability of disc forgings directly impacts operational safety and equipment longevity. This case study examines how Jianing Forging addressed a critical challenge for a client in Laiwu, Shandong, specializing in marine machinery components.

Case Overview

A leading marine equipment manufacturer (referred to as Company M) required high-durability disc forgings for their offshore hoisting systems. The client had been struggling with inconsistent forging quality and premature fatigue failures in their supply chain, leading to costly downtime and safety risks.

Client Pain Points

Company M faced three major issues: first, the disc forgings from previous suppliers often exhibited internal cracks and uneven grain structures after heat treatment, reducing service life by up to 30%; second, the dimensional tolerances were inconsistent, causing assembly difficulties; third, the lead time for custom forgings was excessively long, delaying project schedules.

Product Advantages & Solutions

Jianing Forging provided a tailored solution through advanced forging process control. By optimizing the billet heating curve and employing multi-step closed-die forging, the internal microstructure was refined to eliminate porosity and segregation. Post-forging controlled cooling and precise heat treatment cycles ensured consistent hardness and toughness across the entire disc. CNC machining after forging guaranteed dimensional accuracy within ±0.5 mm on critical surfaces. The total turnaround time was reduced to 45 days, compared to the industry average of 75 days. As a result, Company M reported zero fatigue failures in the first 18 months of operation and a 20% reduction in maintenance costs.