TongYu has established a whole set of production lines for our forging and casting products, the manufacturing process of which can be mainly divided into smelting, casting, forging, and heat treatment.
Our smelting line is equipped with 2 Electric Arc Furnaces (50t, 100t), 3 Ladle Refining Furnaces (50t, 150t), 3 VD/VOD furnaces (50t, 150t), 10 vacuum castings machines (50t-450t) which are able to produce 450t ingot at most, and six sets of single-phase and three-phase ESR furnaces (20t, 30t, 40t), with the max allowable weight of ingot to be 80t. TongYu also has the ability of producing 75t water-cold special steel slab.
The large casting workshop in TongYu produces fifty thousand tons of castings from carbon steel, alloy steel and stainless steel each year. The heaviest ingot we are able to produce is 400 tons.
We have an advanced resin sand production line. It is consisted of 550T forging cranes, 3150t/1250t forging presses, a 6000T press which is under construction for manufacturing crankshafts, 120MN forging press with 450T manipulator, 10t, 20t, and 60t intermediate frequency induction furnaces used for producing all kinds of gray iron, ductile iron, vermicular iron, alloy castings, wear/corrosion resistant castings, and heat- resisting castings, etc.
Our forging line is a perfect intelligent combination of press and operation. Supported by the 12000t free-forging Oil press and its ancillary 450t manipulator, the 550t forging machine, as well as 5000t, 3150t, 1250t Oil press, the annual output of forgings is up to 180 thousand tons.
For heat treatment line, TongYu has introduced 60 sets of natural gas furnaces and electric furnaces. The largest car-bottom furnace is 25m long, and max depth of vertical furnace is 30 meters. The annual output of the hat treatment line reaches 115000t.
TongYu owns more than 320 sets of machining equipment, such as five-axis linkage CNC planning and milling machining center (6m×20m), four axis linkage CNC floor boring and milling machining center (w260, w200,w160) from Italy PAMA, XKA2850×160 CNC gantry boring and milling machine, W250HC.NC/W200HC.NC double column machine from Czech SKODA, W200HC.NC CNC floor boring and milling machine, HTIII450×18/350-NC CNC horizontal lathe, CK61450×15/160 CNC horizontal lathe, CKD52100E×60/300 CNC double column vertical lathe, CK61315×20/125 heavy duty horizontal car boring machine, MK84300×18/250 CNC roll grinder, T21260×20/160 deep hole drilling and boring machine, etc. All of the boring, milling, grinding, slotting, drilling, among other operations in our forgings and castings production line are accomplished automatically by these machineries.
|Equipment||Machining capacity||Load bearing capacity|
|Horizontal lathe||max diameter: 4.5m; max length: 30m||350t|
|Vertical lathe||max diameter: 10m; max height:6m||300t|
|Deep hole working lathe||max inside diameter: 2.6m; max length: 18m||120t|
|Boring & milling machine||max length/width/height: 20m/8m/4.5m||350t|
|Grinding machine||max diameter: 3m; max length: 18m||250t|