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英文原文
The first chapter saw knowledge introduction
1889 - pool shell is a founded in 1889 in Japan sawing machine manufacturer, has made Japan's first lathe.
1898 - Company Profile: the company (August Moessner GmbH German Moessner + Co. KG) was founded in 1898, is located in the town 30 kilometers east of Stuttgart, Shah (Eschache), is a famous German manufacturing precision sawing machine.
1919 - the long history of German BEHRINGER GmbH by Auguste ? BEHRINGER was founded in 1919, initially only a mechanical repair plant. After World War II built a foundry, and begin production of sawing machine. Today, the company still covers the production from raw materials to the entire process of the machine. At present, BEHRINGER the third generation of the family has taken over the management of the company. Superior quality of band saw machine is the company's leading product design, manufacturing, using the latest technology. The bed is firm, the saw bow heavy and hard, sawing efficient, accurate, durable system.
1927 - Shanghai wood wing machinery company by Shanghai Woodworking Machinery Factory assets restructuring and the establishment, the original Shanghai woodworking machinery factory founded in 1927, is China's earliest woodworking machinery manufacturing enterprises, is one of the original mechanical and electrical industry key enterprises. The company inherited the intangible assets of Shanghai woodworking machinery factory brand and technology, technology, production, sales to retain part of backbone personnel. There are nearly a hundred kinds of products, product line is divided into saws, planers...
1933 - the United States of America DOALL company in 1933 by Mr. Leighton A.Wilkie invented the world's first sawing machine, the invention of the bimetal saw blade, hard alloy saw blade, high carbon steel blade, super powder alloy saw blade, saw blade is coated with titanium nitride. DOALL is famous for its quality.
1944 - the Swedish company HAKANSSON is the world's second production of double metal band saw blade enterprises, a long history, stable product quality, HAKANSSON band saw blade quality and cheap quality to make it become the majority of small and medium-sized enterprises preferred.
1937 - Ji'nan two saw group, which was founded in 1937 from the old state-owned heavy group, China developed the first heavy Longmen planer has, has priority to domestic machine industry, China's first fully automatic car covering parts stamping line, so that the two machine tool group has become an important supplier of automobile manufacturers at home and abroad. The American car manufacturer general enterprise headquarters as well as in Canada, Thailand, Britain, Shanghai and Shandong, a plurality of stamping production line from all two saw group.
1940 - in the spring is in the air., Baihua son to fight beautiful season, Chongqing saw factory all staff with the heavy machine deep kindness and good beginning, keeping pace with the times, pioneering and innovative, forge Pinbo, selfless contribution, created a brilliant new heavy machine, composed a colorful picture of heavy machine. Founded in April 1, 1940, Chongqing machine factory is the national machinery industry key enterprises focus, the birthplace of gear machine in china. After half century and hard Pinbo, from a small factory to grow as complete tooth facilities throughout the country's largest production base, industry pacesetter.
1946 - Amada Amada Corporation was founded in 1946, headquartered in japan. After years of development, the company has become one of the most professional manufacturer in the world of sheet metal machinery industry sales, product has been leading the world in sheet metal industry. Company main products: CNC punching, laser cutting machine, bending machine, shearing machine, band saw machine, all kinds of sheet metal mold etc.. Amada International Trading (Shenzhen) Co., Ltd belong to the AMADA group company, the main business scope is to build the sales network in China's Southern China region, providing technical consulting, customer service, a full range of services to our customers.
1951 - Hunan machine tool factory is one of the key enterprises of China's machine tool industry, the factory was founded in 1951, China has a long history, the largest metal saw and band saw factory specializing in the production of. Later in 1968, Hunan machine tool plant introduced from abroad the band sawing machine, and then copy. It should be said that the information is spirit, thinking ahead, the earliest start. The first batch of more than ten, the band saw blade is made of foreign exchange to buy, ten dollars per metre, three metre long band saw the value of five hundred or six hundred yuan. Due to the double metal band saw blade belongs to the tool consumables, unable to buy domestic production only band sawing machine, stranding. At present, Hunan machine tool factory main products are bow saw, circular saw, band saw machine, grinding machine, sand line (belt cutting machine and double metal band saw a series of five seats more than 70 varieties, products sold at home and abroad, favored by the majority of users.
1958 - three - door saber-toothed tiger electromechanical Manufacturing Co. Ltd. (formerly Zhejiang three machine tool plant) was founded in 1958, has nearly fifty years of mechanical processing and manufacturing history, is the first production of one of the metal bow sawing machine manufacturing and the band sawing machine enterprises, is currently the focus of one of the production enterprises of our country metal band saw bed, China Machine Tool Industry Association member units, units of permanent sawing machine.
1965 - Belgium HACO group was founded in 1965, is one of the world's largest sheet metal equipment manufacturers, in dozens of countries around the world set up production plants... The main products: three axis machining center; 4 axis machining center; 5 axis machining center CNC sawing machine; double; single head saw; angle machine.
1966 - Haian KingNet Machinery Manufacturing Co., Ltd. was founded in 1966, covers an area of 20 acres, the former state-owned Haian second machinery repair factory restructuring, has developed and produced a series of workers and peasants threshing machine, 5TFS-50 type tangential flow double drum half duplex thresher threshing machine, 5TJ-70 type, 9ST-1000 type feed processing complete sets of equipment and other machinery products, industrial products are G72 hack sawing machine, semi-automatic horizontal band sawing machine.
1970 - Cangzhou Weite sawing machine annex production limited company is located in Cangzhou, founded in 1970, specializing in the production of all kinds of sawing machine protective cover, series of conveyor types towline, lamps and other machine annex.
1972 - Cangzhou Yunhua CNC sawing machine annex limited enterprise: founded in 1972, the enterprise is sawing machine corporation members. With the progress and production facilities and strong scientific and technological strength, rich production experience and strict quality management scale, at home and abroad in the industry is the evaluation of large enterprises. The company specializes in the production of CNC sawing machine, sawing machine facilities and other kinds of conventional, sawing machine annex and parts.
1982 - Shanghai min Chuan "Juli" brand band sawing machine, Mingawa founded in 1982, is the first domestic R & D, production of one of the band sawing machine. As a permanent member of the National Association of sawing machine. Products have been awarded the national new technology and new product exposition gold medal.
1984 - Boye North saw Industry Co., Ltd. (former Hebei machine factory), batch production in 1984 the band sawing machine sawing machine, the largest professional factory, with various models of horizontal, vertical semi-automatic, fully automatic band sawing machine.
1985 - Zhejiang Kaida Machinery Tools Co., Ltd., founded in 1985, specializing in the research and production of machine tools and the band sawing machine, has the abundant technical force, excellent equipment and advanced production technology, is a professional manufacturer of sawing machine. Company production of "Al Qaeda" brand of horizontal, vertical, vertical column type, Longmen type series automatic, semi-automatic metal band sawing machine, with high technology content, high efficiency and energy saving, reasonable structure, stable quality and so on. Zhejiang Chenlong sawing machine Limited by Share Ltd (formerly Chenlong sawing machine group) was founded in 1985, has a plant area of 66000 square meters, the total assets of 110000000 yuan, is one of the largest machine manufacturer at present, is the deputy director of China sawing industry association unit. With strong technical strength, sophisticated production equipment and advanced production technology, the enterprise's first implementation of 6S management, passed the ISO9001 quality system certification, ISO14001 environmental system certification and OHSAS18001 occupation health and safety certification in the industry, and unremittingly for continuous improvement.
1987 - Zhejiang julihuang sawing machine Group Co., Ltd. was founded in 1987, specializing in the production of "julihuang sawing machine." brand series of products through the ISO9001 quality system certification, with advanced technology, stable performance, repeatedly by the municipal, provincial, national prize, has been awarded 8 National patents. Zhejiang Yandang Mountain Machine Tool Co., Ltd. was founded in 1987, specializing in metal band sawing machine and stone cutting band sawing machine, double metal band saw blade, diamond saw blade, hard alloy saw blade research and production.
1988 - Zhejiang Weiren Machinery Co. Ltd. (Zhejiang Jinyun Qiujing Machinery Factory) was founded in 1988, has a plant area of 23000 square meters. Total assets of 18000000 yuan, is a professional manufacturer of cutting machine tools, key enterprises in the county. Wei Ren (the original refinement) card machine (GB4028 - 42120 horizontal series, large vertical, double column series.
1990 - Zibo city Zichuan Hongjie machinery factory was founded in 1990, the company successfully developed the world's first double column cylinder guide metal band sawing machine. Fill a blank cutting the industry at home and abroad. Beishouqinglai put on the market, it is a revolution of the sawing industry.
Numerical control efficiency is China saw the development trend
In the traditional sense of metal cutting are often thought of as a simple cutting blanking process. With the development of modern manufacturing industry toward high efficiency, high precision and economic direction, cutting as the cutting point, has become the important link in the process of machining parts. Sawing can save material, reduce two processing capacity and improve the production efficiency, therefore saw especially automation machine has been widely used in iron and steel, machinery, automobile, shipbuilding, petroleum, mining and aerospace and other fields of national economy.
Hacksawing machine, circular sawing machine, band saw is the three main forms of the sawing machine, band saw machine is gradually replacing the traditional bow saws and circular sawing machine and began to dominate
Although the band sawing machine development, popularization of the relatively short history, but significant technical progress. The last century 60's cut 150mm steel 45 needs 15 ~ 20min, today only 1.5 ~ 2min, 30 years the efficiency is improved by 10 times. In the material utilization rate of band sawing machine also has obvious advantages, such as cutting off 100mm's No. 45 steel mouth, saw compared to raw materials can be saved 56% band sawing machine with the bow, compared with the circular sawing machine to save raw materials up to 87.5%. Therefore, has the characteristics of high cutting speed, high precision, material loss is small, the band sawing machine. In addition, this machine, wide adaptability, low power consumption, simple operation, easy maintenance and the angle can be cut, and thus has more and more extensive application.
The band sawing machine, double column band sawing machine with optimal performance. Double column band sawing machine with double guide column double hydraulic cylinder overall saw frame structure, using the method of parallel sawing, stiffness and lasting, which saw frame work stability, improve the saw belt life. With the rapid development of China's national economy in recent years, the band sawing machine gradually began to spread, there are a few manufacturers through technological innovation, developed a double upright band sawing machine. The developed countries in Europe and America, hacksaw machine has been eliminated, and the band saw rapid popularization, this trend is particularly evident in germany. The world number one saw German manufacturer BEHRINGER (BEHRINGER) Company as an example, its production of double upright band sawing machine has a history of over 20 years, has been the development of nearly 100 models, reached the technical level is high.
The country's largest production base of the band sawing machine
Jinyun is the largest band sawing machine production base, a total of associated enterprise 64, production of the enterprises have more than 30 people, production accounted for 70% of the domestic market share. The face of fierce market competition, increase the county's band sawing machine industry technical innovation, promote structural adjustment and industrial upgrading. As the industry leading enterprises, Chenlong sawing machine group has established a special NC R & D center, spent huge sums of money to hire a batch of domestic top technical personnel engaged in high-precision special special product development. Recently, G5325-65-750 aluminum steel composite board saw cutting vertical band sawing machine project has been approved by the national technology innovation project identification, paper honeycomb Slitter G42130 × 160 Longmen main on horizontal band saw machine through the provincial-level new product appraisal band sawing machine.
At the same time, the county also strengthen cooperation with domestic and foreign enterprises, the introduction of capital technology and equipment, to achieve industrial upgrading. Zhejiang Yuanda saw Industry Co., Ltd. in cooperation with Czech is a professional enterprise, the introduction of foreign investment of about 3000000 US dollars, both sides to jointly invest about 78000000 yuan to build the new band sawing machine production line, the project has started construction. Chenlong sawing machine group and Taiwan a famous Professional Company cooperation, the introduction of advanced technology and equipment in Taiwan company, development and production of one of the largest type of band sawing machine G42150, with remarkable results.
The county to actively encourage enterprises to explore the international market, Chenlong sawing machine, julihuang, effective tool, Albert saw several industry leading enterprises delegation to participate in the India, Thailand, Malaysia International Machine Tool Fair and Canton Fair, products have been favored foreign, signed a large number of orders. 1-4 months of this year, the county band sawing machine export volume of 184000 dollars, year-on-year growth of 600%, export performance of enterprises from last year's 1 increased to 4 .
In the county town, registered the first saw the collective trademark. This is the "pot town saw" cluster Baotuan transformation key step to upgrade an. 23 enterprises to participate in the association can be used "pot town saw" trademark, which will play an important role in promoting regional brand influence.
Structure and working principle of the second quarter sawing machine
Sawing machine is in circular saw blade, saw band or blade for cutting, sawing circular metal material, the material, pipe material and profile of the machine tool. The machining precision sawing machines are generally not very high, much preparation workshop for cutting various bar, pipe, profile. The driving wheel and the driven wheel blade, saw blade cutting direction by the rail control rack control. By adjusting the rotation bearing the band saw blade adjusting straightening after sweeping cut the sawing away. By the hydraulic cylinder piston rod support rail control frame falling into sawing, sawing machine is equipped with a manual or hydraulic clamping and locking mechanism, and the hydraulic control valve switch.
Physical construction：
The main components of sawing machine with sitting; bed, column; the saw beam and the transmission mechanism; guide device; clamping; tensioning device; the feeding frame; hydraulic transmission systems; electric control system; lubrication and cooling system;
Foundation：
The box structure base is welded of steel plates, the bed, the column is fixed on the base cavity, the larger space, front left for the electric button control box, for electrical distribution box on the right side of the hydraulic oil tank, the steel plate welded, cavity is provided with a hydraulic station, hydraulic line, right side cutting coolant tank and pump the bottom four corners, foundation bolt.
Lathe bed：
The bed is cast iron, is fixed on the pedestal, column by column size, round column as a saw frame moving guide rail, is used to support the saw beam lifting movement, and ensure the accurate orientation, small cylindrical play a supporting role, so as to ensure the normal cutting blade. The middle clamping vise and manual feeding mechanism, have to undertake the work table finished parts connected vise clamping device for the front, left side of the clamping screw rod through the hydraulic clamping cylinder rod inner hole, turn the handwheel or press the button, the left jaw movement to the left or right.
The saw beam and the transmission mechanism：
Made of thick steel plate cutting and welding, good rigidity, the right side is fixed with a worm gear box, the gear box is fixedly connected with the driving wheel saw beam above, two synchronous rotation, the driven wheel and a saw blade tensioning position. Rotary motion by the main motor, belt pulley, worm by two speed drive for transfer to the driving wheel, driving wheel, saw blade driven by the driven wheel to achieve, saw blade speed is three (for sawing machines vary, some by adjusting the frequency converter speed regulation to realize the saw belt velocity).
The saw blade guide device：
Installed in the guide saw beam plate consists of left, right guiding arm and the guide head, left, right guiding arm can move along the dovetail (or the right guiding arm is fixed on the upright post cover), adjust the distance between the two guide arm than the size of the workpiece width about 40mm. The guide device is used to change the blade installation angle, the blade and table vertically, in order to ensure the accuracy of cutting, saw blade vibration is reduced, on the left and right guide arms are respectively provided with a set of guide wheels (rolling bearing) guide block and wear-resisting, guide blade back also wear-resistant alloy.
Gripper mechanism：
Right jaw is fixed on the bed, the clamping screw rod through hydraulic clamping cylinder bore, the left jaw to move along a guide rail connected by screw around, connection when left vice from the workpiece in 10-30MM. Hand control panel clamp or clamp pine by clamp, the clamp or loosen workpieces.
Tensioning device：
The tensioning device is composed of a slide seat, skateboard, wire rod, when the saw blade tension, torque wrench clockwise rotation tensioning saw blade, in the work of the state. Such as sawing machine in long time shutdown, torque wre