This invention relates to the making of sand shapes in molding boxes, for use in metal foundries. More particularly, the invention relates to the projection of sand bonded with oil or 5" other usual adhesive, by pneumatic energy into the molding boxes, the sand being liberated at the sand ...
A foundry sand mold is produced by molding a granular refractory material with the use of (1) a binder comprising a silane coupling agent, a water-soluble phenolic resin and a silane compound selected from an alkyl silicate having 1 to 8 carbon atoms in the alkyl group, its lower condensate...
My present invention relates to sand such as is used in, the preparation of molds and the like by means of which castings are made from molten materials. Such sand may conveniently be called foundry sand. Heretofore, it has been commercially customary to make molds of natural sand with or ...
If necessary, we can customize foundry sand core shooting machine (sand core shooter) according to customer pattern.Q:What is application of core shooting machine?A:Core shooting machine is automatic equipment to make sands cores for green sand molds. It can s...
If necessary, we can customize foundry sand core shooting machine (sand core shooter) according to customer pattern.Q:What is application of core shooting machine?A:Core shooting machine is automatic equipment to make sands cores for green sand molds. It can save cost and labors ...
17.A mixture of moist clay and sand, together with straw, used especially in making bricks and foundry molds.粘砂土湿粘土和砂子的混合物,带有稻草,专用作制砖和铸模 18.Comparison of slag corrosion resistance of MgO-CaO-C bricks prepared using fused doloma or sintered doloma低钙电熔镁钙砂与高...
FOUNDRY SAND COMPOSITION FOR CORES AND MOLDS In the production of foundry molds and cores, foundry sand grains are bound together with a binder composition comprising a mixture of (1) an aqueous phenolic resin prepared by reacting a mixture of phenol and formaldehyde in the range o... TAKAO ...
by brushing, dipping or spraying, to foundry sand moulds and cores, e.g. of silica or olivine sand, prior to metal cast... MP Geoffrey,MJ Maurice 被引量: 0发表: 1963年 IMPROVEMENTS IN OR RELATING TO MAKING 163 MOULDS. A series of expendable shell molds is formed in a permanent ...
Usually one machine have different molds and fixtures like metal polishing machine,die casting machine.Q3. What is your sample service?A: We can supply the sample testing which client want to produce if we have ready machine in stock, but the customers have to pay the s...
1. A device for the manufacture of sand casting molds, comprising a filling device, a chamber with a model located therein, having slotted nozzles associated with a vacuum source, as well as a punch located above the model, characterized in that, in order to improve the quality of the ...