laitimes

Scrap car "five major assemblies" reconstruction value - engine chapter

Is an engine overhaul the same as a remanufactured engine?

Of course, it is not the same, in the "Scrap Car Recycling Research Paper" published in the view, engine remanufacturing and engine overhaul and re-furnace remanufacturing of the main difference, engine remanufacturing refers to the start of the car through remanufacturing, the performance to reach or even exceed the quality of the prototype of the new product, and can maximize energy saving, material saving, environmental protection. Overhauled engines do not meet this standard, so remanufacturing is different from equipment repair and parts refurbishment.

Scrap car "five major assemblies" reconstruction value - engine chapter

So why are there these differences?

We have to start with the characteristics of remanufacturing. Remanufacturing from a broad perspective refers to a series of technical measures or engineering activities that take the whole life cycle theory of equipment as the guide, achieve the performance improvement of waste equipment as the goal, take high quality, high efficiency, energy saving, material saving and environmental protection as the criterion, and take advanced technology and industrial production as the means to repair and transform the engine. Remanufacturing in the narrow sense mainly includes two aspects: remanufacturing processing and remanufacturing upgrading:

1. Remanufacturing and processing; the engine or waste parts with residual life are used as remanufactured blanks, and advanced surface technology, rapid forming technology and repair heat treatment and other processing technologies are used to restore or exceed the performance and application value of new products.

2. Remanufacturing and upgrading; mainly for products that have reached the technical life, or products that do not meet the requirements of sustainable development, through technological transformation and updating, especially through the use of new materials, new technologies and new processes, etc., to improve and enhance the technical and information performance of products, prolong the service life of products and reduce environmental pollution.

Scrap car "five major assemblies" reconstruction value - engine chapter

How did it come to be so powerful?

Since engine remanufacturing is neither an engine major repair in the traditional sense nor a new engine manufacturing in the general sense, first the engine will be completely disassembled and cleaned; then the engine basic parts (cylinder block, cylinder head, crankshaft, connecting rod, etc.) will be tested according to the manufacturing standards, and there is indeed a repair value; the third step is to use special equipment to re-repair according to the strict repair process, processed to the tolerance range of manufacturing requirements, and use new parts for wearing parts and bearings (tiles), piston rings, pistons and gaskets Finally, it is assembled according to the manufacturing process, and the whole machine is debugged on the bench, and the factory is sprayed after passing the inspection. What is the general process of remanufacturing?

Generally, after all the parts of the old engine are finely disassembled, they will be divided into three categories according to the status analysis of the parts: scrap parts, remanufacturable parts and reusable parts.

Reusable and remanufacturable parts also require wear condition analysis and life assessment of each component using life prediction methods.

Then remanufactured according to the standards of new product manufacturing, and the key components are intensively strengthened by comprehensively using a variety of composite surface engineering technologies.

These include but are not limited to: laser quenching, ion implantation, low temperature ion sulphurization, magnetron sputtering, supersonic plasma spraying, nano brush plating, nitriding, boronizing, nano additives, intelligent oil seepage lubrication treatment, plasma immersion injection and other technologies.

For example, the nano surface engineering technology is subdivided into nanoparticle composite brush plating technology, nano thermal spraying technology and nano friction reduction self-repair additive technology, through the mechanical repair and surface strengthening of parts, to meet or even exceed the technical requirements of the strength of the original accessories.

It is also through the advantages of these remanufacturing technologies that the life of the remanufactured engine is greatly improved.

With these technologies processed and strengthened parts, and then reassembled the engine to the standard, we finally get three unique advantages that belong only to the remanufactured engine:

1. Better quality

The basic components of the remanufactured engine are special repair and processing by high-precision special equipment, the main wear parts are all replaced with normal original parts, and each engine needs to pass strict debugging and inspection before leaving the factory, so it can fully meet the same technical indicators as the new machine (low fuel consumption, low exhaust emissions) and meet the increasingly stringent environmental protection requirements.

2. Affordable price

Compared with the new machine, the price advantage of the remanufactured engine is very obvious because the remanufactured engine fully excavates the potential value of the old engine basic parts, and compared with the traditional engine overhaul, the remanufactured engine adopts a specialized, large-scale assembly line production method, which greatly improves the production efficiency, reduces the production cost, and ensures that the price of the remanufactured engine is much lower than the new machine, and even close to the cost of overhaul.

3. Strong applicability

The remanufactured engine can generally be directly installed on the car to be repaired (the assembly is interchangeable), which can restore the performance of the car to be repaired in a short period of time, and adapt to the fast-paced use requirements of modern society.

Just as the so-called real gold is not afraid of fire refining, finally before leaving the factory, it is still necessary to professionally test the quality of engine remanufacturing, so that the remanufactured engine can meet the same standard requirements as the new engine. And marked with the "remanufacturing" unified identification label to show his distinctive identity, unified packaging into the after-sales, spare parts link, will not enter the new car market, people who buy new cars can rest assured.

Of course, not all kinds of engines can be remanufactured, generally normal wear and tear can be remanufactured, and car accidents or violent damage can not be remanufactured.

Scrap car "five major assemblies" reconstruction value - engine chapter

In summary, we can comprehensively analyze the advantages of remanufacturing engines, save resources, save materials, and contribute to environmental protection. It is understood that the remanufacturing process saves 60% energy, the material reuse rate reaches 70%, and the exhaust gas emission is reduced by 80%. Related to consumers, the price of remanufactured engines is lower than that of new machines, only about 60%. Compared with overhaul, the advantages of remanufactured products are guaranteed quality and high industrial matching.

As for the prospects and trends of the remanufacturing project in the future, Elephant will continue to pay attention to it and share more detailed content with you in the future. Talk about this today, if you have other questions, you can contact elephant ELV, you can leave a message to us Oh ~

Read on