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Why is not high efficiency cutting tool manufacturer to become a powerful - tools, cutting efficienc

By: dream zhang

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Although China has become the world's factory, but as a pillar industry of national economy, the manufacturing sector, its labor productivity with the United States, Europe, Japan and other industrial countries and regions, there is a great gap compared, only the 1 / 20 or so. Tools And cutting technology behind the machinery manufacturing labor productivity is one important reason for the low. In order to turn China into a manufacturing power from the manufacturing country, China Association knife cutting workers from China's high degree of historical responsibility put forward the "development of cutting technology, construction, manufacturing power" ambitions. And since 2005 member of the group to carry out the "China Association for 20 projects knife" campaign, which called for cutting through the application of member training and advanced technology tools to promote, with 2 years or so to improve cutting efficiency of the first to achieve 20% target. The realization of this goal requires the concerted efforts of all sectors, this end, we must clearly understand that progress in cutting the three concepts.

1, increase investment tools: Current cutting tools and related technology is advancing rapidly, in recent years, numerical control technology and tool technology, joint efforts, cutting into the high-speed cutting stage. Tool materials and coatings technology in recent years great progress has been such as PCD, CBN superhard ceramic cutting tools and expanding the use of tools as the main force of the current high-speed cutting of coated carbide cutting tools such as a substantial increase in . The past 20 years cutting speed increases by 5 to 10 times, improve production efficiency by 50% to 100%. A characteristic of high-speed cutting is when the cutting speed up to a certain extent, due to material softening and other reasons the increase of cutting force with cutting speed but declined, and because most of the heat or even chip away parts of the temperature rise will reduce the . However, limited by the tool material properties, the latter phenomenon is currently only in the use of PCD tooling alloy and soft materials can be observed. High-speed cutting is also suitable for hard cutting, dry cutting and re-cutting is an effective means of improving cutting efficiency.

Modern processing tool cost is generally only the manufacturing cost of 3% and 4%, but its overall manufacturing costs much higher. The planned economy era, machinery processing enterprises starting from the control processing costs, development tool consumption norms for cost control, we have also mentioned that some companies use imported equipment of high efficiency and low performance welding tools, equipment performance but can not play cause more waste fact. It has been estimated 20% increase in production efficiency will reduce manufacturing costs by 15%. Now most companies have had their accounts for this, and to increase investment tool with high speed cutting to improve production efficiency to reduce overall production costs, is the idea of a cutting progress.

2, Innovation Tool structure: Advanced tool has three technical basis: materials, coatings and structural innovation. High-speed cutting tool is mainly dependent on tool material and the coating technology. High-speed cutting can improve the cutting efficiency but not the only resort. Innovation is also a tool to improve the structure of efficient and effective means of cutting. For example, take the knife Iscar's large amount of Mills Tool path for each tooth reached 3.5mm, Seco Tools company's complex time hole machining tool path can be done drilling, chamfering and so boring and face. Crankshaft machining process progress more convincing, crankshaft car Broach The invention of the crankshaft machining efficiency by 10 times. Now there are more efficient high-speed cutter crankshaft, a tool path can be completed seven spindle neck of the processing. Dongfeng Car Measuring & Cutting Tool Works Inc. has successfully developed the crankshaft domestic auto plants and high-speed cutter Broach car and successfully applied to production. Chengdu, eighties and nineties of last century Tool Institute in coatings, materials, technology is not the dominant individual cases, with independent intellectual property rights of tool design and process technology, combined with coating, materials and tools structure of the integrated use of innovative technology, high strength Oil Pipe Threading Tool has realized a successful foreign famous enterprises beyond. Many examples illustrate that architectural innovation is often more effective tool to improve cutting efficiency. To improve the cutting efficiency can not just stare with the best (and often most expensive) tools to conduct high-speed cutting. In the current tool material and coating technology we have with foreign countries where there is a large gap, focusing on the structure of innovative tools to improve cutting efficiency is often more effective and feasible means. Including high-speed cutting and tool use innovative structures to achieve high efficiency by various means, including cutting, is cutting another progressive idea.

Three optimization process:

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