石墨坩埚根据其结构样式，有圆柱形、正方形、九孔梅花型等。压制石墨坩埚为提高生产效率，目前，市场多采购四柱液压机配合模具一次成型。九孔石墨坩埚是由石墨、碳化硅、硅石、耐火粘土、沥青和焦油等主要原料组成。压制九孔石墨坩埚一次成型液压机多选用2000吨、2500吨等，山东众友重工可根据客户需求设计生产。目前，车间刚生产完成2000吨九孔石墨坩埚成型液压机，车间已经调试完成，不日即将发货。使用2000吨四柱液压机压制成型九孔石墨坩埚坯体的结构、密度、气孔率和机械强度。具有工艺简单、生产周期短、成品率与效率高、劳动强度低、成型水分少、坩埚收缩率和气孔率低、产品质量和密度高等优点。
The 2000-ton nine-hole graphite crucible forming hydraulic press adopts a three-beam, four-column and two-cylinder structure. According to the actual production needs of customers, it is designed as a large-opening and small-table model. The sliding beam is thickened and strengthened to adapt to high-strength pressure without deformation and damage. The column is made of high-quality solid round steel, which is polished by lathe and then subjected to intermediate frequency quenching, cylindrical grinder fine grinding, chrome plating and chrome plating to ensure the hardness and strength of the surface, the column is not easy to deform under high pressure. Usually equipped with a mobile workbench, double-station design, the main cylinder is usually single-cylinder or double-cylinder structure, the force is concentrated without partial load. The 2000-ton nine-hole graphite crucible forming hydraulic press designed and produced by Shandong Zhongyou Heavy Industry adopts a single-cylinder, three-beam and four-column structure, with a larger stress area and uniform and non-partial load. It can press large-diameter graphite crucibles with a diameter of 60cm ~ 150cm, with more uniform forming texture and higher density, and can withstand high temperatures of 1500~1800 ℃. The 2000-ton nine-hole graphite crucible forming hydraulic press is also equipped with PLC control system and servo system. The main oil cylinder is equipped with a fast stroke filling device to support the rapid descent of the sliding beam and improve production efficiency.
2000 tons of four column hydraulic press pressing nine hole graphite crucible process:2000 tons of four-column hydraulic press pressing crucible process: including feeding, pressure molding, demoulding, blank, cleaning the mold.
1. Feeding: The powder particles are filled into the mold frame. In order to ensure the specifications and quality of the blank, the feeding should be uniform and quantitative.
2. Pressurized molding: the relative movement between the molds is used to apply pressure to the loose powder to compact the powder into a dense blank. This process is the key process in pressing molding, and it is necessary to control factors such as the size of the applied pressure, pressing time and pressing method, and any change in conditions may lead to changes in the quality of the blank.
3. Demoulding: Produce the formed blank from the mold cavity.
4, out of the blank: the top of the formed body to move to the billet table or conveyor belt.
5, clean the mold: if necessary, also need to spray oil in the inner wall of the mold cavity to lubricate.
The 2000-ton nine-hole graphite crucible forming hydraulic press can replace the mold to complete the pressing and forming of other styles of graphite crucible. The equipment adopts double station design, with three beams and four columns, four beams and four columns and other structures for selection. The upper and lower beams and columns are fixed by fastening nuts. The adjusting nuts can adjust the accuracy of the main machine. The strength, rigidity and accuracy of the machine are better. The double-sided pressurization molding process is realized by the way that the oil cylinder and the sliding block go down and the mold does not move. The energy efficiency of the equipment is more significant, the molding pressure is high and reliable, and the density and strength of the nine-hole graphite crucible are guaranteed, fully automatic production equipment has high degree of automation, short production cycle and high output.
The 2000-ton nine-hole graphite crucible forming hydraulic press adopts a hydraulic transmission system, double pumps and double circuits, and preferably a combined valve block to realize the working cycle of automatic filling, automatic exhaust, graded pressurization, and automatic demoulding. It can realize the rapid rise and stable pressure of the hydraulic press, improve the production efficiency and the pressure is more stable at the same time. The hydraulic pressure of the 2000-ton nine-hole graphite crucible forming hydraulic press adopts an electro-hydraulic servo hydraulic system, and the motor is a servo motor. Compared with ordinary hydraulic systems, it has the characteristics of low noise, low energy consumption, low oil temperature heating, stable operation, etc. Purchase custom-made high-quality, cost-effective 2000 tons of graphite crucible forming hydraulic press equipment, consulting companyManager Zhang: 13562463338 (WeChat can be added)