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Chassis Frames Parts CNC Machining Services for Automotive

Automotive chassis frames are the backbone structural components that support the entire vehicle weight and absorb road forces. At Zintilon, we specialize in CNC machining of automotive chassis frames using advanced 3-axis and 5-axis machining to achieve exceptional structural rigidity, precise mounting interfaces, and load-bearing integrity.
  • Machining for complex frame members and crossmembers
  • Tight tolerances up to ±0.002 in
  • Precision milling, drilling & notching operations
  • Support for rapid prototyping and full-scale production
  • IATF 16949-certified automotive manufacturing


Trusted by 15,000+ businesses

Automotive Chassis Frames Machining Capabilities

prductivity

Fast Delivery

A professional engineering team that can respond quickly to customer needs and provide one-stop services from design to production in a short period of time to ensure fast delivery.

10x

High Precision

We are equipped with automated equipment and sophisticated measuring tools to achieve high accuracy and consistency, ensuring that every part meets the most stringent quality standards.

world

ITAF16949 Certified

As a IATF16949 certified precision manufacturer, our products and services have met the most stringent quality standards in the automotive industry.

From Prototyping to Mass Production

Zintilon provides CNC machining services for automotive chassis frames and related structural components for passenger vehicles, commercial trucks, and performance automotive projects.

Prototype Chassis Frames

Obtain high-precision prototypes of automotive chassis frames that accurately replicate your final design. Test structural stiffness, verify mounting locations, and ensure proper load distribution before full-scale vehicle production.
Key Points:
Rapid prototyping with high precision
Tight tolerances (±0.002 in)
3 Axis CNC Machined Stainless Steel Passivation

EVT – Engineering Validation Test

Quickly iterate on chassis frame prototypes to ensure they meet all structural and safety requirements. Identify potential issues early for a smoother transition to full-scale automotive manufacturing.
Key Points:
Validate prototype functionality
Rapid design iterations
Ensure readiness for production
Anodized Aluminum 1024x536

DVT – Design Validation Test

Validate the structural integrity and functionality of chassis frames using various materials and reinforcement configurations to ensure design accuracy and optimal load-bearing performance before mass production.
Key Points:
Confirm design integrity and strength
Test multiple materials and configurations
Ensure production-ready performance
design aluminium

PVT – Production Validation Test

Verify large-scale production feasibility for chassis frames and identify potential manufacturing challenges before full production begins to ensure consistency and efficiency.
Key Points:
Test large-scale production capability
Detect and fix process issues early
Ensure consistent part quality
Anodized Titanium Fastener

Mass Production

Produce high-quality, end-use chassis frames at scale with precision and speed, ensuring reliable structural performance and on-time delivery for automotive OEMs and custom builders.
Key Points:
Consistent, high-volume production
Precision machining for OEM-grade quality
Fast turnaround with strict quality control
production

Simplified Sourcing for
the Automotive Industry

Through excellent processing technologies such as CNC machining, sheet metal manufacturing, metal casting, etc., we can achieve a balance between quality and speed, whether it is special-shaped parts, lightweight or cost effect.

Explore Other Aerospace Components

Discover our full range of precision CNC machined aerospace parts, designed for strength, durability, and exact fit. Explore components for engines, fuselage, tail sections, landing gear, and more to meet every aircraft manufacturing need.

Car Parts
Machining Capabilities

milling

CNC Machining

sheet metal

Sheet Metal Fabrication

edm

Wire EDM

casting

Metal Casting

Aerospace
Materials & Finishes

Materials
We provide a wide range of materials, including metals, plastics, and composites.
Finishes
We offer superior surface finishes that enhance part durability and aesthetics for applications requiring smooth or textured surfaces.

Specialist Industries

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Materials for Chassis Frames Components

Our CNC machine shop offers a wide range of materials for Chassis Frames Parts Machining for Automotive. With 50+ automotive-grade structural metals and alloys, we support rapid prototyping and heavy-duty chassis component manufacturing with consistent precision and OEM-quality standards.
Aluminum Image

High machinability and ductility. Aluminum alloys have good strength-to-weight ratio, high thermal and electrical conductivity, low density and natural corrosion resistance.

Price
$ $ $
Lead Time
< 7 days
Tolerances
Down to ±0.003 mm
Max part size
3000*2200*1100 mm
Min part size
2*2*2 mm
Steel Image

Steel is a strong, versatile, and durable alloy of iron and carbon. Steel is strong and durable. High tensile strength, corrosion resistance heat and fire resistance, easily molded and formed. Its applications range from construction materials and structural components to automotive and aerospace components.

Price
$ $ $ $ $
Lead Time
< 10 days
Tolerances
Down to ±0.001 mm (routing)
Max part size
3000*2200*1100 mm
Min part size
2*2*2 mm
Stainless steel Image

Stainless steel alloys have high strength, ductility, wear and corrosion resistance. They can be easily welded, machined and polished. The hardness and the cost of stainless steel is higher than that of aluminum alloy.

Price
$ $ $
Lead Time
< 7 days
Tolerances
Down to ±0.005 mm
Max part size
3000*2200*1100 mm
Min part size
2*2*2 mm
Titanium Image

Titanium is an advanced material with excellent corrosion resistance, biocompatibility, and strength-to-weight characteristics. This unique range of properties makes it an ideal choice for many of the engineering challenges faced by the medical, energy, chemical processing, and aerospace industries.

Price
$$$
Lead Time
< 10 days
Tolerances
Down to ±0.005 mm
Max part size
3000*2200*1100 mm
Min part size
2*2*2 mm
Bronze Image

Highly resistant to seawater corrosion. The material’s mechanical properties are inferior to many other machinable metals, making it best for low-stress components produced by CNC machining.

Price
$ $ $ $ $
Lead Time
< 10 days
Tolerances
Down to ±0.005 mm
Max part size
3000*2200*1100 mm
Min part size
2*2*2 mm
Brass Image

Brass is mechanically stronger and lower-friction metal properties make CNC machining brass ideal for mechanical applications that also require corrosion resistance such as those encountered in the marine industry.

Price
$$$
Lead Time
< 10 days
Tolerances
Down to ±0.005mm
Max part size
3000*2200*1100 mm
Min part size
2*2*2 mm
Copper Image

Few metals have the electric conductivity that copper has when it comes to CNC milling materials. The material’s high corrosion resistance aids in preventing rust, and its thermal conductivity features facilitate CNC machining shaping.

Price
$$$
Lead Time
< 10 days
Tolerances
Down to ±0.005 mm
Max part size
3000*2200*1100 mm
Min part size
2*2*2 mm
Zinc Image

Zinc is a slightly brittle metal at room temperature and has a shiny-greyish appearance when oxidation is removed.

Price
$ $ $ $ $
Lead Time
< 10 days
Tolerances
Down to ±0.005 mm
Max part size
3000*2200*1100 mm
Min part size
2*2*2 mm
Iron Image

Iron is an indispensable metal in the industrial sector. Iron is alloyed with a small amount of carbon – steel, which is not easily demagnetized after magnetization and is an excellent hard magnetic material, as well as an important industrial material, and is also used as the main raw material for artificial magnetism.

Price
$ $ $ $ $
Lead Time
< 10 days
Tolerances
Down to ±0.005 mm
Max part size
3000*2200*1100 mm
Min part size
2*2*2 mm
Magnesium Image

Due to the low mechanical strength of pure magnesium, magnesium alloys are mainly used. Magnesium alloy has low density but high strength and good rigidity. Good toughness and strong shock absorption. Low heat capacity, fast solidification speed, and good die-casting performance.

Price
$ $ $ $
Lead Time
< 7 days
Tolerances
Down to ±0.005 mm
Max part size
3000*2200*1100 mm
Min part size
2*2*2 mm
Let’s Build Something Great, Together

FAQs: Chassis Frames for Automotive Applications

We provide comprehensive finishing solutions tailored to aerospace requirements:
Anodizing (Type II and Type III)
Passivation for corrosion resistance
Precision polishing for aerodynamic surfaces
Custom protective coatings and thermal barriers

Yes. We offer flexible manufacturing capabilities including:
Rapid prototyping for design validation
Low-volume production for specialized applications
High-volume production with consistent quality control
Full structural and dimensional verification at every stage

Automotive chassis frames are the primary load-bearing structures that form the vehicle's foundation and support all major components including the engine, transmission, suspension, body, and occupants. Common frame types include ladder frames with parallel longitudinal rails and crossmembers used in trucks and SUVs, perimeter frames that wrap around the vehicle's outer edges, space frames constructed from interconnected tubes for lightweight rigidity in sports cars, unibody-integrated frames where structural members are welded into the body structure, and tubular chassis frames built from round or square tubing for racing and custom applications. These frames must withstand bending, torsion, and impact forces while maintaining precise mounting locations for suspension geometry and drivetrain alignment.

Each material offers distinct advantages for chassis frame applications. High-strength steel including DOM (drawn over mandrel) tubing and rectangular steel tubing provides excellent strength-to-cost ratio, superior weldability, and proven durability for commercial vehicles, trucks, and traditional body-on-frame construction. Chromoly steel such as 4130 delivers exceptional strength-to-weight ratio, superior fatigue resistance, and high impact absorption for racing chassis, roll cages, and performance applications where weight savings and safety are critical. Aluminum alloys like 6061-T6 and 7075-T6 offer significant weight reduction, excellent corrosion resistance, and adequate strength for lightweight sports cars, electric vehicles where battery weight is a concern, and applications where reduced unsprung mass improves handling and efficiency.

Chassis frame production utilizes advanced machining and fabrication technologies including 3-axis and 5-axis CNC milling for mounting bracket machining, suspension pickup points, and engine crossmember features, precision CNC drilling for bolt holes, body mount locations, and component attachment interfaces, tube notching and coping for perfect tube-to-tube or tube-to-plate joints in tubular frame construction, end milling and profiling for crossmember shaping and fitment, lightening hole patterns for weight reduction in non-critical areas while maintaining strength, thread milling for threaded inserts and direct fastener mounting, and precision cutting and edge preparation for welding operations that ensure proper joint strength and dimensional accuracy throughout the frame assembly.

We routinely achieve tolerances as tight as ±0.002 inches on critical mounting features and suspension pickup points, ensuring precise hole locations for proper suspension geometry and wheel alignment, accurate crossmember positioning for drivetrain alignment and vibration isolation, controlled tube notching for full-penetration welds and maximum joint strength, proper mounting surface flatness for body mount attachment and load distribution, and consistent frame rail dimensions that maintain wheelbase accuracy, track width, and overall vehicle geometry for predictable handling characteristics and proper component fitment throughout the vehicle's service life.

Yes, we provide rapid prototyping to verify fit and test assembly, with same-day CAD-to-part capability available for critical projects. For custom automation cells and research platforms, we perform low-volume production of 20 to 500 brackets. For standardized robot models, we perform high-volume production of thousands to tens of thousands of brackets annually, incorporating complete dimensional inspection, flatness verification, and material certifications.
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