1. high-chromium ball/strip cast 2 .sandbox interchanged freely 3.simple operation 4.full utilization of meton iron

 

The main characteristic of mould

The mould is applied to high-chromium ball/strip cast, with sandbox interchanged freely. The sand mould has many strong points of simple operation, full utilization of molten iron, high-yield, shapely appearance, no shrinkage cavity and porosity. As well as, it can meet other materials’ cast

Mould instructions

 

Heating: it should be heated before using. When in 200 °C to 300 °C around, the die will be casted. Building: after heated, the upper and lower dies should be poured with sand (Note: Jiangxi sand is the best). A hole is need in the middle of sand mould with a tube as the inlet of molten iron after the upper mould finished. paint: after the sand-mould finished, the ball bowl of mould should be protected with acetylene through spray smoke (Note: it need protected after sand-mould finished every time) Casting: The mould should be closed after protection, and then immit the molten iron through the inlet pipe until full. Open mould: we should open the mould with two round bars respectively insert the holes on it, and get the balls out, then re-mould and re-cast. sand ratio: 100 kg sand equipped with 20 kg clay and 8~12 kg water glass, and then put them into milling machines to crush down.]

Dia10-13mm micro-ball plate