Procedure for Reconditioning Piston Heads

Procedure for Reconditioning Piston Heads

Introduction: In this article, we will delve into the comprehensive and detailed procedure employed by Hai Ha M&S for reconditioning piston heads. From initial surveying to processing, repair, heat treatment, and machining, we will explore each stage to understand the high-quality process implemented by the company.

I. Survey Firstly, we conduct a thorough cleaning, measurement, and parameter compilation before and after reconditioning.

II. Initial Processing

• Remove all oil from inside and outside the piston head.
• Utilize liquid penetrant testing to check the entire piston head for cracks.
• Lathe the outer diameter and piston ring groove surface .

III. Repairing

• Weld the entire surface of the piston head body and piston ring groove using highly wear-resistant welding wire with a suitable metal composition.

IV. Heat Treatment

• After welding is completed, place the piston into the annealing furnace to enhance the durability of the material.

V. Machining the Piston Head to Standard Size After heat treatment, the piston head is machined to standard size according to the provided drawing.

VI. Grinding Grind the piston ring groove surface, shank mounting position, and piston head body surface to achieve gloss and assembly tolerances.

We take pride in introducing this high-quality procedure executed by Hai Ha M&S to ensure that every reconditioned piston head meets the highest standards and satisfies all customer requirements.

If you are seeking reliable and high-quality piston head reconditioning services, contact Hai Ha M&S for more detailed information and dedicated consultation.