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Steel Piston Crown Restoration
Our company specializes in restoring steel piston crowns for various types of diesel engines. We use advanced double-sided surfacing technologies that allow us to restore the original wear-, heat- and corrosion-resistant properties of parts.
This method is suitable for:
- Steel piston crowns of low-speed diesel engines of all types
- Cast steel pistons
- Composite pistons with steel crowns of medium-speed diesel engines
Restoration Technology Process: Step-by-Step Scheme
Piston crown restoration is a multi-stage and carefully controlled process that includes the following steps:
1. Cleaning and Defect Detection:
- Initial part cleaning
- Detailed defect detection to identify all damages
- Preliminary machining to remove burnt and defective metal from the piston surface
2. Automatic Surfacing:
- Application of automatic surfacing of annular grooves on the piston crown bottom
- Use of wear-, heat- and corrosion-resistant material with flux on a specialized automatic welding installation
3. Heat Treatment:
- Conducting heat treatment to relieve internal stresses caused by surfacing
- Dispersion hardening of annular groove material to required hardness HRC 42...48
4. Machining:
- Precise machining to restore geometric dimensions and tolerances in strict accordance with manufacturer's instructions
5. Defect Correction:
- Elimination of any detected defects according to approved welding technologies
6. Final Control and Preparation:
- Final quality control of completed work
- Preservation and packaging of finished part
Restoration Benefits
Piston crown restoration significantly extends the service life of expensive parts, ensuring their reliable operation and reducing operating costs.