Yongkang Xicheng times excellent special processing machine parts to introduce you to gear: History: 1956 An afternoon dip Hebei excavated ancient ruins, we found iron ratchet gear, wheel diameter of about 80 mm spur where to buy, 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 spur wholesale, so far found no written record of Pan Spur, presumably for braking to prevent axle reverse. 1953 Shaanxi Province Hung Hing Tsuen County unearthed a pair of bronze herringbone gears. Analysis spur gear manufacturer according tomb structure and burial goods case, determined that the 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. Yong Kang City gifted times special processing machine parts like you briefly the role of spiral bevel gears: 1, the engine output power by transmission, the main transmission device transmitted to the drive wheels; rotational movement 2, the longitudinally disposed engine output change direction, the driving wheel of the car consistent with the direction of the rotational movement; spur gear manufacturers, Pan spur gear, times excellent special machine notorious Yongkang Xicheng times by excellent special processing machine parts. Yongkang Xicheng times excellent special processing machine parts (ykbyt.1688.com/) strong, credible, Jinhua in Zhejiang lathe industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead times gifted special machine and you work into the brilliant, for a better future!