Introduction of traditional scale manufacturing technology

The production of scales is a traditional handicraft of Han nationality in China with a long history. According to the folklore of the Han nationality, the wooden scale was invented by Lu Ban. According to the Big Dipper and the six stars in Nandou, 13 stars are carved on the scale, and 13 is regarded as one catty. After Qin Shihuang unified the six countries, he added "Fu Lushou" Samsung, which is exactly sixteen stars, and changed a catty to 16 Liang, sending letters with unified measurement; It was not until 1950s that the country implemented the reform of units of measurement and changed the unified weighing system to 10 jinliang. The manufacturing technology of Hanzhong manual steelyard was introduced from Wuhan, the industrial and commercial center at the intersection of Hanshui River and Yangtze River, under the special background of War of Resistance against Japanese Aggression. In modern China, the three towns in Wuhan are famous for their industrial and commercial economy and transportation, and the manual weighing industry is even more famous. 1937, War of Resistance against Japanese Aggression broke out in an all-round way. The Japanese invaders ravaged a large area of East China, and big cities such as Beiping, Nanjing, Shanghai and Wuhan fell one after another. As the refugees from the occupied areas fled to the relatively safe western provinces, most of the famous "Futai" recording and weighing technicians in Wuhan fled to Shaanxi. At that time, the national government moved various colleges and universities to the west, and Hanzhong was the rear area of the Anti-Japanese War, where commerce, economy, culture and education flourished rapidly. After the masters of "Futai" in Wuhan fled to Hanzhong, they used the raw materials and markets in Qinba Mountain area to reorganize their old businesses. Hanzhong and Xi have become two major weighing instruments producing areas in Shaanxi. Zhang, a registered craftsman of Futai, studied exquisite weighing technology in Hubei in his early years and started his business in Hanzhong from 65438 to 0939. In the same year, 14-year-old Liu Defu escaped from Chenggu County and fled to Hanzhong. By chance, he knitted Zhang, worshipped Zhang as a teacher, followed the study of stalk-making technology, and ran a weighing apparatus shop with the master after graduation.