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Permanent Mold Casting Tolerances

Being a quality castings company based in China, ChinaSavvy endeavors to meet world-class casting criteria. Our casting tolerances are comparable to world standards and our team of experienced casters work to ISO 9001:2008 certified standards.

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Able to cast parts with high mechanical properties and good surface finishes, this process is also known for its good dimensional repeatability and a reduced need for machining, effectively lowering production costs.

Part sizes that can be casted using permanent mold or gravity die casting range from 50 grams (0.5 ounces) to 70 kilograms (150 pounds).

The tolerances for permanent mold or gravity die casted parts are noted as follows:

  1. Functional Dimensions
  2. Linear Casting Tolerances for Permanent Mold Aluminum Castings

 

Functional Dimensions

Note: You can click on the table below to view a larger image.

Functional Dimensions for Permanent Mold Casting

Note: Numbers rounded off to nearest decimal.

Capable of casting components and parts up to 100 pounds, the following generalized design data applies to permanent mold casting:

Note: You can click on the table below to view a larger image.

Generalized Design Data Applicable to Permanent Mold Casting

Note: Numbers rounded off to nearest decimal.

Linear Casting Tolerances for Permanent Mold Aluminum Castings

Noted below are guidelines for casting aluminum alloys. Though nearly any shape can be casted, the guidelines below are characteristic of more cost effective parts that are manufactured more easily and with the minimum amount of problems and defects.

Basic Linear Tolerances:

Note: You can click on the table below to view a larger image.

Basic Linear Tolerances for Permanent Mold Aluminum Castings

Note: Numbers rounded off to nearest decimal.

Tolerances for dimensions across parting lines:

Note: You can click on the table below to view a larger image.

Tolerances for Dimensions Across Parting Lines for Permanent Mold Aluminum Castings

Note: Numbers rounded off to nearest decimal.

Casting tolerances for cored features:

Note: You can click on the table below to view a larger image.

Casting Tolerances for Cored Features for Permanent Mold Aluminum Castings

Note: Numbers rounded off to nearest decimal.

Flatness Tolerance:

Note: You can click on the table below to view a larger image.

Flatness Tolerance for Permanent Mold Aluminum Castings

Note: Numbers rounded off to nearest decimal.

Casting Tolerances for Ejector Pin marks:

Note: You can click on the table below to view a larger image.

Casting Tolerances for Ejector Pin Marks for Permanent Mold Aluminum Castings

Note: Numbers rounded off to nearest decimal.

Back to Main Page: Permanent Mold (Gravity) Casting.

Further Suggested Reading:

 

 

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