Custom Aluminum CNC Car Pistons

Qualify Evaluation Report

For each order we receive, we can provide a list of quality inspection reports according to your processing requirements.

Inspection  report
Full dimension report
Material Test Report

Certificate

As an experienced manufacturer of on-demand CNC machined parts, has obtained the following certifications.

ISO 9001:2015

IATF 16949:2015

ROHS Directive

12 patent certifications

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1. What is CNC machining, and how is it applied to car pistons?

CNC (Computer Numerical Control) machining is a precise manufacturing process that uses automated machines to cut and shape materials like aluminum. For car pistons, CNC machining ensures exact tolerances and complex geometries, crucial for high-performance engine components.

2. Why is aluminum commonly used for car pistons?

Aluminum is lightweight, offers excellent thermal conductivity, and resists corrosion. These properties make it ideal for car pistons, as it helps reduce engine weight, improve heat dissipation, and withstand the high pressures and temperatures in combustion chambers.

3. What types of aluminum are used for CNC-machined pistons?

Common aluminum alloys used for car pistons include 4032 and 2618, which provide excellent strength and durability under high temperatures and loads. 2618 is typically used in high-performance or racing applications due to its superior high-temperature strength.

4. Can custom designs and specifications be applied to CNC aluminum pistons?

Yes, CNC machining allows for custom piston designs, including specific dome shapes, valve reliefs, ring grooves, and wrist pin sizes. Custom designs help optimize performance for different engine types, compression ratios, and fuel types.

5. What tolerances can be achieved for CNC-machined aluminum pistons?

CNC machining can achieve extremely tight tolerances, typically within ±0.001 mm. This level of precision ensures proper fit, balance, and performance in high-stress engine environments.

6. How durable are CNC-machined aluminum pistons?

CNC-machined aluminum pistons are highly durable and can withstand the high temperatures and pressures within an engine. High-quality aluminum alloys combined with precise machining ensure longevity and optimal performance, especially in high-performance engines.

7. What surface finishes are available for CNC aluminum pistons?

Common surface treatments for aluminum pistons include:

Anodizing: Enhances surface hardness and corrosion resistance.

Teflon or ceramic coatings: Reduce friction and improve wear resistance, crucial for high-performance applications.

Polishing: Reduces surface roughness to minimize friction within the cylinder.

8. Can prototypes be made before full-scale production of pistons?

Yes, CNC machining services typically offer the option to create prototypes. This allows the customer to test the piston design in a real engine before committing to full-scale production, ensuring that the design meets performance and durability expectations.

9. What information should be provided to get a quote for custom CNC aluminum pistons?

When requesting a quote, you should provide:

CAD drawings or detailed design specifications.

Material preferences, including the type of aluminum alloy (e.g., 2618, 4032).

Desired surface treatments (anodizing, coatings).

Quantity required.

Specific performance requirements, such as compression ratio, dome shape, and valve clearance.

10. What is the typical lead time for custom CNC aluminum pistons?

Lead times vary based on design complexity, order volume, and finishing requirements. Generally, lead times for custom CNC pistons range from 3 to 6 weeks after the design is finalized and approved.