Low material cost, easy to organize flow production, adapt to a variety of modeling ability. Therefore, clay sand casting is used for a long time and is still widely used at present a casting method. Clay sand casting is mainly used to produce small and medium castings. In particular, it is applied to the casting parts of automobile, tractor, diesel engine, light textile machine and so on. The development of clay sand casting technology has always been closely related to the development of molding machinery and molding technology. In addition to the traditional manual molding in the casting process, high pressure molding, injection molding, air punching molding and hydrostatic molding and other new technologies, are also based on clay sand development. With the implementation of various new processes, the Produktivitas cetakan pasir tanah liat, kekompakan cetakan pasir dan akurasi casting dimensi terus meningkat, sedangkan kekasaran permukaan casting terus berkurang . pasir tanah liat memainkan peran yang lebih penting dalam casting produksi .
Peralatan cetakan pasir tanah liat termasuk cetakan mesin tunggal dan cetakan multi-macine . cetakan multi-mesin adalah garis cetakan mekanis sederhana yang terdiri dari beberapa mesin cetakan . seperti saluran mekanis kontinu konvensional atau dibuka dengan lini Open can semi-otomatis {6 {6} lini hyder {6 {6 {6 {6 {6 {6 {6 {6 {6 {6 {6 {6 {6 {6 {6 {6 {6 {6 {6 {6 {6 {6 {6 {6 {6 {6 {6 {6 {6 {6 {6 {6 {{{6 {{6 {{6 {{6 {{{6 {{6 {{{6 {{{6 {{{{{6 {{{6 {{{6 {{{{{{{konvensional konvensional Servo . Servo listrik yang digerakkan jalur cetakan terbuka memiliki beberapa kesalahan, dan mobil yang digerakkan servo listrik berjalan dengan lancar dan andal . Oleh karena itu, jalur cetakan otomatis sebagian besar terdiri dari mobil transportasi cetakan terbuka . Otomatis dapat dibagi secara kasar menjadi:
1) Garis cetakan pemotretan otomatis: Garis pemotretan perpisahan horizontal dan garis pemotretan perpisahan vertikal;
2) Garis cetakan otomatis untuk pasir gravitasi dan pemadatan tekanan tinggi;
3) Dampak Udara (Dampak Udara) Pemodelan garis otomatis, gelombang kejut dan pemadatan pasir;
4) Pemodelan tekanan statis Garis otomatis, aliran udara dan pasir pemadatan tekanan tinggi;
5) multi-contact high and medium pressure compaction modeling automatic line (compaction ratio pressure is 7kg/cm2, called medium pressure, higher than 7kg/em is high pressure). With the maturity of air pressure molding and static pressure molding technology and equipment technology, the selection of high pressure molding technology equipment will reduce the Et benefit. Because air punching molding and static pressure molding compaction process is superior Untuk cetakan tekanan tinggi, proses pencetakan tekanan statis lebih unggul daripada cetakan tinju udara dalam beberapa tahun terakhir . sekarang, proses pencetakan tekanan statis mengarah pada era garis cetakan kotak .
The selection of clay sand modeling equipment and modeling automatic line modeling equipment and manufacturing automatic line selection mainly from several aspects: casting structure and size, product batch, complexity, added value, size accuracy requirements and so on. Firstly, the sand box size is determined according to the casting structure size. The size of the sand box is customized by casting shape size, process layout on the template and casting batch .
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