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Precision machining tools and recommendations for domestic tools

January 17, 2023

Our company has main production workshops such as mold manufacturing, precision machining, die-casting, sheet metal production, integrated circuit board production, mechanical assembly, electronic assembly, etc., and is mainly engaged in precision die-casting, CNC machining, sheet metal parts and hardware. , automotive machinery parts and various types of mold design, manufacturing, processing, various types of communication cabinets, computer server cabinets, various types of electrical control cabinet parts production and assembly of finished products. The business scope covers automotive, medical, electronic movements, communications, banking systems and even semiconductor processing equipment. It is a contract manufacturing company with a wide range of production.

Company tool usage:

At present, our company's mold manufacturing center undertakes the development and production of the whole factory sheet metal stamping die, the tooling, fixtures and measuring tools of the machined products. Most of these tooling, fixtures and molds are quenched and hardened materials, such as Cr12MoV. SKD61, etc., in order to process high-precision molds on hard materials, the tool performance and service life of the machine are the key; for precision machining workshops, the main products are auto parts, medical equipment, etc., which require high dimensional accuracy. Whether it is a small batch or a large batch of products, the dimensional consistency is good, therefore, in addition to the purchase of standard CNC tools, it is also necessary to customize the special PCD forming tool according to the size characteristics of the product (see photo); The company's hardware workshop processes a variety of rivets, pins, nuts, bushings and long and short shafts. These hardware parts are not only many types, but also large in volume. Therefore, blades of various shapes are required to complete the processing.

成形刀具及零件
Forming tools and parts

Mold manufacturing center, precision machining and hardware workshop are the three main workshops for our company to consume CNC tools. There are many types of tools and brands, domestic and imported, mainly domestic and local tools, and mainly imported. Japanese and Korean tools are the mainstay.

Problems encountered in the use of tools:

At present, our company has encountered the following problems in the use of tools:

(1) In CNC machining, some domestically produced tools cannot meet the requirements of high-efficiency precision cutting for CNC machining. A large number of imported high-performance knives are not only economic problems, but also have some strategic hidden dangers due to excessive dependence on imported knives.

(2) During the manufacturing process of the stamping die, the head of the tool is easily worn.

(3) The quality of the small hole tapping thread of sheet metal and die-casting products is unstable, mass production is easily affected by the quality of the tap, and the production of batch parts cannot be controlled by full inspection.

(4) The forming tool is very expensive and cannot be repaired once it is partially worn.

Suggestions for domestically produced tools:

The stability and reliability of domestic tool performance is the main obstacle to the localization of tools in many industries, and it is also the key to restricting the high-grade domestic tools. Therefore, the author puts forward some ideas and suggestions for the problems encountered by our company in the production and processing process. I wonder if it can bring certain reference to domestic tool manufacturers.

(1) Tool manufacturers can help companies accurately select the right tool according to the customer's product size characteristics, as well as the optimal cutting parameters, and reduce the number of tools required by the company to try to find the tool.

(2) Tool manufacturers provide tool digital design software to their cooperative customers, enabling enterprises to carry out simulation tests of product cutting process.

(3) It can penetrate the inside of the company to monitor its cutting, help the company analyze and solve the causes of tool wear, passivation, breakage, etc., standardize or correct the use of the tool and further improve the tool quality, so that the life of the tool can be obvious. Improve.

(4) Provide quick evaluation methods and evaluation indicators for customer's tool cutting performance and workpiece material machinability, making it easy to understand and reduce technical terminology.

It is not only limited to tool sharpening technology, but also to the development of tool wear parts repair technology.

(6) Regularly train the technical personnel of the enterprise on the knowledge of the cutting tool and provide its superior technical support.

Regardless of whether it is professional or not, as long as everyone has their own opinions according to the production practice, there is always a hint of inspiration or help to the tool manufacturers. At the same time, we hope that China's tool manufacturers can improve the technological content of China's independent research and development tools and improve the tool manufacturing industry in China. The original innovation ability and the ability to acquire independent intellectual property rights, promote the scientific and technological progress of China's tool manufacturing industry, and provide advanced and reliable technical support for the independent, good and fast development of China's modern manufacturing industry.

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Author:

Ms. SU LAN RONG

ΗΛΕΚΤΡΟΝΙΚΗ ΔΙΕΥΘΥΝΣΗ:

susu@cn-tianhui.com

Phone/WhatsApp:

++86 13396680822

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Author:

Ms. SU LAN RONG

ΗΛΕΚΤΡΟΝΙΚΗ ΔΙΕΥΘΥΝΣΗ:

susu@cn-tianhui.com

Phone/WhatsApp:

++86 13396680822

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