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Framework: 14# B style U steel Capstan:   ZG45# steel , coated tungsten carbide, HRC60. Capstan running time more than 26000 hours. The height of the capstan is 280mm. The height of spraying tungsten carbide is 80mm and the thickness is 2mm. The temperature of the capstan< 80℃. Roughness <0.8μmm.There are operation buttons in front of each capstan.  Cooling type: narrow slit water cooling . water proof and anticorrosive treatment. Die box:  Welding part is adopted for the die box. The guide roller is in front of die box and coated with tungsten carbide. The die box is divided into lubrication cavity and cooling cavity. Ball valve adjusts water feeding flow. The position of die box can be adjusted to adapt the position of wire for drawing. The dancer arm wheel is in the entry of die box to adjust the drawing speed of every drawing block. It is driven by pneumatic cylinder. Tension roller is made of special steel alloy and heat treated to have long working life.  The wire tension is detected by the TE sensor(none touch type) dynamically and feedback signal to the motor driver.  PLC:  SIEMENS S7-300  made in Germany Operation:  including touch screen, emergency button  ready button, stop button, accelerate button, decelerate button, fault button and reset button. Touch screen is colorful and the brand is Weinview . The yield can be presented on the screen by the meter-counter or weight-counter. The drawing speed can be adjusted on the screen.  Model 350 400 550 600 Inlet Wire  Dia.(mm) 3.5 4.2 6.5 8 Outlet Wire Dia. (mm) 0.6 0.8 1.4 1.6 Motor Power(KW) 5.5-11 7.5-15 18.5-22 22-37 No. of drafts 8-12 8-12 8-12 6-10