• How to solve the problem of porosity in lost foam casting 2

    How to solve the problem of porosity in lost foam casting 2

    3. Improve the breathability of the paint The particle size of the refractory aggregate should be suitable. The 70-100 mesh sand-like substance in the aggregate should contain 10-15%. The composite suspension agent binder is used. The prepared coating has high and low temperature strength, wear resi... read more

    Jul 16,2020 Industry news
  • What are the reasons for slag inclusion in lost foam casting?

    What are the reasons for slag inclusion in lost foam casting?

    Slag inclusion defects refer to the defects formed by the dry sand, paint and other inclusions as the molten iron enters the casting during the casting process. On the surface of the casting after processing, white or dark gray inclusion spots can be seen, distributed individually or in pieces, and ... read more

    Jul 09,2020 Industry news
  • Causes and solutions of broken thimble of casting mold

    Causes and solutions of broken thimble of casting mold

    The die-casting mold is a method for casting liquid die forging. It is a process completed on a special die-casting die forging machine. The thimble of the die-casting mold often breaks to indicate that the resistance is too large during ejection. The reason for the breakage of the thimble is known.... read more

    Jul 03,2020 Industry news
  • What are the causes of slag inclusion in lost foam casting?

    What are the causes of slag inclusion in lost foam casting?

    The slag inclusion defect refers to the defect formed by the molten iron entering the casting during the pouring process of dry sand, paint and other inclusions. On the surface of the casting after processing, white or dark gray inclusion spots can be seen, distributed individually or in pieces, and... read more

    Jun 24,2020 Industry news
  • How to solve the problem of porosity in lost foam casting 1

    How to solve the problem of porosity in lost foam casting 1

      Lost foam casting is a new process with almost no margin and molding, which can greatly reduce the cost of machining. Compared with traditional sand casting methods, it can reduce the machining time by 40% to 50%, but many users are lost foam casting. The stomatal problem is troubled, the edi... read more

    Jun 19,2020 Industry news
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