The status quo and development of localization of tools

At present, the competition in the automotive industry in mainland China is extremely fierce, and price wars are on the rise. As car manufacturers, they are trying every possible way to consider how to reduce production costs in order to comply with fierce market competition.

Replacing imported tools with domestically produced tools is one of the important ways to reduce production costs. Therefore, it has attracted the attention of major domestic automobile manufacturers. Many tool manufacturers have invested a large amount of money to introduce advanced foreign production equipment and technology. Localization of tools can not be carried out blindly, and must be carried out in a targeted and gradual manner.

First of all, according to the specific equipment types, equipment accuracy, technology development capabilities and other specific conditions of the tool manufacturers, the feasibility analysis of the localization of the imported tools is carried out. In the analysis process, we must pay attention to the tool's own and working conditions, including: machine tools, materials to be cut, shape and dimensional accuracy, cutting parameters, relative motion trajectories of tools and workpieces, and cooling environment.

Through the practice of localization, I have summarized the following localization methods:

Imitation type: Made in the form of imported tools.

Analog type: Compared with imported tools, it is much the same.

Improved: completely different from imported tools.

The improved type can be further divided into material improvement type, structure improvement type, material and structure improvement type.

Material improvement: The material is essentially different from the imported knife.

Structural improvement: It is structurally different from imported tools.

Material and structural improvement: It is completely different from imported tools in material and structure.

Through a lot of careful and meticulous work, until today, we have adopted the localized tools as follows:

1. With the machine clamp, the indexable arc chamfering tool completely replaces the imported high-speed steel shovel grinding chamfering tool. It is a material and structural improvement, which has a significant improvement in durability and efficiency.

2. Replace the imported similar products with the domestic solid carbide internal cooling straight groove drill. It is an imitation type, and its effect is basically the same as that of imported tools.

3. The domestic diamond milling insert is used to replace the imported similar products, and the improvement is made on the cutting edge, which makes the durability increase by 10% compared with the imported products. Is an analogy.

4. Using the domestic machine clamp indexable tooth end plane chamfering tool completely replaces the imported integral high speed steel tooth end plane chamfering tool. It is a material and structural improvement, which has a significant improvement in durability and efficiency.

5. Part of the use of domestic cermet blade NT6 to replace imported carbide inserts, the effect has improved. It is a material improvement type.

6. Partially adopting domestic SG grinding wheel to replace imported corundum grinding wheel has achieved remarkable results. It is a material improvement type.

7. Carry out the test work of domestic aluminum matrix diamond milling cutter. Durability is 70% of imported similar tools. This technology is also internationally leading.

8. Carry out the test work of the domestic barrel broach ring. Dimensional accuracy meets the requirements and durability is 60% of imported similar tools. This technology is also internationally leading.

In order to meet the development of the automotive industry, the domestic tool industry must first establish a sound management system; the users are anxious and want the users to think. The ability to accept single-piece and various orders in different batches; the management of a research enterprise is nothing more than the interaction between productivity, production relations, and production materials. Since the Industrial Revolution, mankind has been writing on the interaction between these three. Today, the global MBA business management system proposed by Harvard University in the United States is worth learning. To this end, we must constantly master the development of foreign tool development, and have a high-tech product development team, we must know the reason in the product design process. Establish a flexible manufacturing base for product development and emergency response to receive urgent ordering and single ordering tasks. Transform and improve existing equipment, and introduce key equipment and technology to ensure product accuracy. Establish a strict quality assurance system to lay a good foundation for receiving large quantities of orders. The quality of the products remains the same whether it is single or mass production.

In addition, domestic tool manufacturers should use their own type of tool as their leading product according to the specific conditions of the factory, and create domestic and international famous brands in this type of products. This is why the factory must be unique, have its own core technology, and continue to develop it, and the factory will thrive.

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