Acme screw thread asking for precise movement of the key components in the movement, mainly made of high quality alloy steel processing, heat treatment process to ensure its excellent mechanical properties trapezoidal screw in the manufacturing process, separate from the ordinary process of coarse and fine trapezoidal screw effectively ensure equitable distribution of the stress components trapezoidal screw factory, the key process in the heated workshop process, a stable temperature, to ensure that all indicators meet the national standard high-precision screw JB / T 2886-1992 Machine acme screw, nut technology conditions relating to the acceptance criteria. Keystone Ball accuracy class and acceptance criteria: R logo screw, right-handed screw is generally not marked. 7 screw - for precise drive, precision screw machine tools, Exon grinder, surface grinder feed exercise. 8 screw - general driving, lathe and thread milling; major equipment: Roughing: CNC lathe 1M, 2M, 3M, lathe: 1M-8M lathes etc; semi-finishing: CNC lathe whirling: Finishing: 1M , 2M, 3M, 4M, 5M trapezoidal screw manufacturers, 8M precision ball screw lathe, temperature processing, calibration foot indemnity six, seven, eight, nine different screw machining accuracy. Trapezoidal screw price, Korea and Taiwan transmission machinery (certified), Zhanjiang City by trapezoidal screw drive Machinery Co., Korea and Taiwan. Dongguan City, South Korea Taiwan Transmission Machinery Co., Ltd. (www.dghantai.com) is an industry leader in Dongguan, Guangdong, machine tool accessories, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. In Korea and Taiwan transmission machinery leadership with the staff warmly welcome all inquiries negotiations, Korea and Taiwan to create a better future transmission machinery.