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MATERIALS

CNC machining materials:
metals and plastics.

Jinwang Precision machines plastics, copper, aluminum, stainless steel and alloy steel for custom components. Start with the grade required by your design, then define material condition, machining features and final inspection requirements.

Plastics

For CNC machined plastic parts, specify the polymer grade, any filler or reinforcement, and the operating conditions that matter to your design. Identify mating features and dimensions that control fit. Material suitability and machining requirements are reviewed for the individual component.

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Copper

For copper components, provide the exact grade and condition rather than only a general material name. Identify functional contact surfaces, burr requirements and any specified surface treatment. Include conductivity requirements or material documentation if your drawing calls for them.

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Aluminum

For aluminum machined parts, specify the alloy and temper, assembly fits and surface finish. If anodizing or another coating is required, identify the surfaces and whether dimensions apply before or after treatment. Our component examples include aluminum coupling hubs.

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Stainless steel

For stainless steel components, state the grade, supplied condition and relevant service environment. Identify sealing or mating surfaces and specify any surface treatment required by the design. Include inspection and material-document requirements with the drawing.

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Alloy steel

For alloy steel parts, define the grade, heat-treatment condition and required hardness. Mark bearing seats, journals or other surfaces requiring a specified finish. Include grinding requirements and the inspection records needed to accept the finished component.

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Make the material requirements clear.

Grade & condition
Include the material designation and supplied or final material condition.
Finishing requirements
State heat treatment, surface finish and any coating requirements for review.
Inspection
Identify the dimensions, hardness or other properties that need to be checked.

RELATED CAPABILITIES & COMPONENTS

Match the material to your component and process.

Start with your drawing.

Share your geometry, material, quantity and inspection needs.

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Application

An example of our part range. Your custom specification is reviewed from your drawing.

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