Turnout laying: Positioning turnout loft. Set turnout construction survey control network. Turnout central control of piles and interval measured simultaneously track set, eliminating error adjustment in the measurement. Set retaining pile in the range of 50 ~ 100m headend turnout, turnout center, turnout terminal side straight stocks and shares on both sides of the position and the turnout straight stocks around. Review turnout control center before laying piles midline, mileage and elevation, check the road elevation, before retest fork, fork straight after stocks, shares control of the base side of the pile. After Turnout quality requirements: 1, laying completed Turnouts must flip flexible crossover model, the sharp tip should be a basic rail track dense paste. 2, each gauge turnout tolerance: a controlled lock switch rail tip should be ± 1mm, other ministries should be + 3mm, -2mm. 3, the turnout should be a smoother curve guide, support from the right. Support from the allowable deviation: ± 2mm. 4, all slippery mattress should be in the same plane, the track surface should be smooth. Crossover wholesale _ Xin Yang Machinery (certified) _ Maryland crossover provided by Linzhou Xin Yang Machinery Industry Co., Ltd. Forest City Xin Yang Machinery Industry Co., Ltd. (www.lzxyjx.com) Henan, railway, subway Equipment leader with over the years, the company implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customers needs. Xin Yang Machinery leadership in the staff warmly welcome all inquiries negotiations to create Xin Yang Machinery a better future.