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  Contact Info
Hebert Foundry & Machine, Inc.
113 Fair Street
Laconia, NH 03246-3321
Phone: 603-524-2065
Fax: 603-528-3803
[email protected]
  Aluminum Sand Casting
  Brass / Bronze Sand Casting
  Green Sand Casting
  Non Ferrous Sand Casting
  Casting Pattern & Tooling
  Engineering Services
  Machining Services
  Casting Machining
  Precision CNC Machining
  Green Sand Casting

Hebert Foundry and Machine, Inc. is a family owned and operated business with nearly 100 years of experience in the green sand casting and machining industries. Our staff of engineers, patternmakers, and metallurgists will ensure that your company chooses the right material and pattern to address your green sand casting needs.


Green Sand Casting continues as the most widely used and cost effective process for sand casting. The process begins with the creation of a pattern that duplicates the shape of the desired part. Depending on the application of the part and desired outcome, HFM offers two sand compositions for the no bake sand casting process. One no bake sand casting process utilizes a molding material that is low cost and reusable. Typically, green sand is composed of washed, graded, dried, and screened/sized silica sand that is bonded with various natural clays and water. Other ingredients are used to achieve specific properties to allow molten metal to be formed in “near net shape”.


The alternative composition utilizes sand molds of chemically bonded sand that are only used once. This process is superior for heavier castings and generally exhibits better dimensional control than traditional green sand. The “no-bake” molds can be assembled to form intricate castings.


Cores, created from various compositions within the mold cavity, form the internal (and sometimes intricate) structure of hollow castings. The green sand casting process, and the no-bake sand casting process, facilitates the casting of complex parts. Castings produced from green sand handle vibration and stress much better than assemblies secured by fasteners. HFM green sand castings reduce weight and furnish rounded edges that are safer and more aesthetically pleasing than sharp, machined edges. The green sand casting process reduces the need for assemblies which significantly minimizes the need for machining and ultimately improves the tolerance of the finished product.

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Aluminium Sand Casting
| Brass/Bronze Sand Casting | Green Sand Casting | Non Ferrous Sand Casting
Casting Pattern & Tooling | Engineering Services | Casting Machining | Precision CNC Machining

Green Sand Cast, Green Sand Castings, Green Sand Mold Casting, Green Sand Casting Porosity