Gearbox gearbox manufacturers _ _ Kwong Wah Precision Machinery gearbox

18th-century Industrial Revolution, gear technology has been rapid development of gearboxes offer, people have done a lot of research gear. 1733 French mathematician Camille meshing tooth profile published fundamental laws; in 1765 the Swiss mathematician Euler recommended for involute tooth profile. 19th century appear hobbing and slotting machine to solve the problem of mass production of high-precision gears. 1900, 普福特 for hobbing differential gearbox fitted vendors, can be processed on the helical gear hobbing gear box, gear hobbing hobbing since gained popularity, generating method accounts for the overwhelming processing gear, involute gear become the most widely used gear. GB / T 19406-2003 involute spur and helical gears Calculation of load capacity of industrial gear applications GB / Z 19414-2003 closed industrial gears GB / T 9205-2005 veneer Hob GB / T 19936.1-2005 FZG gear test procedures - Part 1: Oil relative scuffing load capacity FZG test method A / 8.3 / 90GB / T 6404.1-2005 acceptance gearing Part 1: airborne noise test specification GB / T 6404.2 -2005 acceptance gearing Part 2: Acceptance tests measuring mechanical vibrations of gear units GB / T 14348-2007 double arc Gear gearbox gearbox manufacturers _ _ Precision Machinery Kwong Wah Kwong Wah gearbox from Weifang Precision Machinery Limited. Kwong Wah Precision Machinery Co., Ltd. Weifang (www.cnchilunxiang.com) strong, credible, Shandong Weifang gear industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead to Kwong Wah Precision Mechanics and you hand in hand into the brilliant, for a better future!