Over the past 30 years of reform and opening up, China's mold production has undergone enormous changes as an industry. This change is mainly reflected in three aspects: capacity changes, changes in production methods, and technological revolution. Most people see the rapid growth and changes in China's mold industry as an industry from scratch, from small to large, from picking up losses to becoming the main force, as well as mold demand and output. But what is more important is the transformation of production methods and technological revolution. The latter two changes are more profound and fundamental changes. The transformation of production methods is mainly reflected in the transformation from the traditional small and complete rear workshop and workshop-style production to the large-scale production cooperation with highly specialized market cooperation; from completely non-standard production to relatively standardized and quasi-standardized production. The mold production technology revolution is condensed to the point that enterprise information is digital manufacturing and information management.
Before the 1980s, many molds were hand-polished by fitters. In the 1990s, due to the introduction of more advanced equipment such as CNC machine tools and edm, the production technology level of the molds was greatly improved, and the production cycle and the quality of the molds were greatly shortened and improved. High-precision machining has liberated workers from heavy physical labor. On the other hand, computer-aided technologies such as cad/cam/cae have also been widely used in the mold industry. The design of molds and the level of numerical control processing have been greatly improved. The productivity of cad/cam/cae software for mold technicians And the reliability of the design has been greatly improved. At present, various mold companies are facing a new topic, how to free enterprise management from the tedious affairs, so that information management contributes to the improvement of the company's production efficiency. Therefore, the informationization of mold enterprise management has become an inevitable trend in the development and progress of the mold industry.
Die production is a single-order production, which has its own strong specificity in management informationization. Design is part of manufacturing, process design is inadequate, and design and process information can be reused directly. Therefore, grasping the balance between comprehensive information management and practicality and simplifying management according to the characteristics of the company's production is the key to informationization. This makes it difficult to copy mature management software. For example, automotive mold companies do not have traditional raw materials, warehouse management, and so on. Purchased parts are semi-finished parts and components, there is no storage process, the amortization of manufacturing costs is not the same for each company. Another example is cost accounting should use project management methods, rather than the use of general processing and manufacturing methods, what pdm, erp and other software without a thorough transformation is completely unsuitable.
With regard to the level of China's mold industry, the goal set forth in the mold industry development plan is to enter the ranks of Asia's advanced level by 2010. In terms of quantity, we are currently a big producer of moulds in the world. From the product level, it is a full set of automotive molds for passenger cars and other passenger cars and commercial vehicles that are rated at or below the b-grade and provides accurate precision high-speed multi-stations with an accuracy of 2 μm and a life of more than 200 million times for the electronics industry. Into the mold, a single set of mold weight more than 100 tons of giant mold, up to 6 meters of large-scale multi-position progressive mold, light guide plate mold, optical disk mold, mold and many other high-level mold can be produced. However, China has a vast geographical area, and the level of many mold companies across the country is uneven. There is a wide gap between them. From a comprehensive level, compared with the international advanced level, there are indeed many gaps that have prompted us to make further efforts. The gap has prompted us to forge ahead! Progressing to a powerful mold country in the world will continue to be our goal in a longer period of time.
Few current metal processing branch industries can be as dynamic as mold making. Therefore, the constant pursuit of the latest technology and innovative concepts is an indispensable part of any mold factory.
Cement resistance: is the resistance wire wound on the alkali heat-resistant porcelain, coupled with heat resistant, resistant to wet outside fixed protection and corrosion resistance of the materials and the winding resistance into the square porcelain box body, using special incombustible cement packing seal.The outside of cement resistance is mainly made of ceramic materials (generally divided into high alumina porcelain and feldspar porcelain).
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