Yong Kang City gifted times special machine parts factory for the manufacture of large gears friends popularize several safety knowledge: The first point is that when you use the large gear, spiral bevel gear Which is good, rough height between the bottom surface of the table must not less than a predetermined height machine. The second point is the blank washer wheel diameter should be less than the root diameter of the gear machining 3 mm. Yongkang Xicheng times excellent special processing machine parts to introduce you to gear: History: 1956 to explore the ancient ruins of Hebei An afternoon dip in Jinhua spiral bevel gear, found iron ratchet gear, wheel diameter of about 80 mm, Although incomplete But iron is better, through research, recognized as the late Warring States (3rd century BC) to the Western Han Dynasty products (206 BC - 24 AD) period. Yongji County in Shanxi Province in 1954 unearthed a bronze tiller Jiaya ratchet gear. Reference same pit unearthed artifacts, it can be concluded as the Qin Dynasty (221 BC to 206) or the Western Han Dynasty relics, wheel 40 teeth, a diameter of about 25 mm. Concerning the use of the ratchet gear, so far found no written records, presumably for braking, spiral bevel gear manufacturers, in order to prevent the axle reverse. 1953 Shaanxi Province Hung Hing Tsuen County unearthed a pair of bronze herringbone gears. According to the tomb structure and burial goods analysis, which can be found on gear for the Eastern Han Dynasty. Two are 24 teeth, a diameter of about 15 mm. Hengyang and other places also found the same herringbone gears. Spiral bevel gear where to buy, times gifted special machine service, Dongyang City, spiral bevel gear provided by Yongkang Xicheng times excellent special processing machine parts. Yongkang Xicheng times excellent special processing machine parts (ykbyt.1688.com/) Zhejiang Jinhua, lathe leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. In times of gifted special machine leadership with the staff warmly welcome all inquiries negotiations to create excellent special machine times better future.