The main function and objective of the headbox is to distribute a suspension of stock evenly and uniformly on to the forming fabric. This is the most important part of papermaking . The headbox's operational parameters will determine and influence many of the important end paper properties like formation, surface characteristics, sheet stability and strength. Jet velocity and the jet speed relative to forming fabric speed (efflux ratio)and the headbox consistency play a significant roll in the machine direction properties . The cross directional (profile) are determined by the distribution of the stock across the width of the headbox . There are many different types of headbox namely open headboxes, air-cushion headboxes, hydraulic headboxes, multilayer headboxes and high-concentration headboxes. Shandong Jialong Electrical And Mechanical Equipments Co.,Ltd is a key company professional in paper machine manufacturing.The company has more than 100 advanced equipments and can produce more than 60 different specifications in 8 series with first-class quality. Tha main products are:1600-5600mm series long net/round net paper machine,cultural paper machine,1092-1880mm carbon-free copy paper coating machine,1760-3600mm series long net /vacuum forming high-speed toilet paper machine,1092-3200mm series wear-resistant paper /masking paper/sheet paper machine,1200-2000mm aluminum silicate fiber paper machine,etc.The company is willing to cooperate with people ofinsight from all over the world to build our friendship and creat a brilliant tomorrow.
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