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High Precision Custom Aluminum CNC Machining Milling and Casting Parts Services

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In today's advanced manufacturing landscape, the demand for complex, high-tolerance aluminum components continues to grow across industries. Our integrated High Precision Custom Aluminum CNC Machining Milling and Casting Parts Services provide a comprehensive manufacturing solution that combines the design flexibility of casting with the exceptional accuracy of CNC machining. This dual-capability approach enables us to deliver components with optimal mechanical properties, complex geometries, and tight tolerances for the most demanding applications.

Advanced Material Selection
We work with a comprehensive range of aluminum alloys to meet specific performance requirements:

  • A356-T6: Excellent castability with tensile strength of 230 MPa and yield strength of 165 MPa

  • 6061-T6: Superior machinability with tensile strength of 310 MPa and elongation of 12%

  • 7075-T6: High strength-to-weight ratio with tensile strength of 570 MPa

  • A380: Outstanding fluidity for complex thin-walled castings
    All materials undergo rigorous certification and testing to ensure consistent mechanical properties and chemical composition compliance with ASTM and ISO standards.

Integrated Manufacturing Process
Our unique combination of casting and machining capabilities provides significant advantages:

Precision Casting Phase

  • Investment casting for complex geometries with ±0.005 in/in tolerances

  • Permanent mold casting for superior mechanical properties

  • 3D printed sand molds for rapid prototyping and complex internal features

  • Controlled solidification monitoring ensuring dense, pore-free structures

CNC Machining Phase

  • 5-axis simultaneous machining for complex contours and angles

  • High-speed milling (15,000+ RPM) for optimal surface finishes

  • Precision boring and threading with positional accuracy ±0.01mm

  • CMM inspection integrated throughout the machining process

Performance Characteristics
Our aluminum components deliver:

  • Dimensional tolerances to IT7-8 grade

  • Surface finishes from Ra 0.8 to 3.2 μm

  • Weight reduction up to 60% compared to steel components

  • Excellent corrosion resistance and thermal conductivity

  • High strength-to-weight ratios for performance-critical applications

Quality Assurance and Certification
Our integrated quality system includes:

  • First article inspection with comprehensive documentation

  • Statistical process control throughout manufacturing

  • Material traceability with full certification

  • Non-destructive testing (X-ray, dye penetrant)

  • ISO 9001:2015 and AS9100 certified processes

Technical Applications
Our services support diverse industries including:

  • Aerospace: Structural components, brackets, and housings

  • Automotive: Engine parts, intake manifolds, and suspension components

  • Medical: Surgical instruments, device housings, and imaging equipment

  • Robotics: Actuator housings, mounting brackets, and structural frames

  • Defense: Weapon components, communication housings, and optical mounts

By combining casting and machining expertise, we optimize each manufacturing process to deliver components that maximize performance while minimizing cost and lead time. Our engineering team works collaboratively with clients from design through production, ensuring manufacturability, functionality, and reliability in every component we deliver.

High Precision Custom Aluminum CNC Machining Milling and Casting Parts Services manufacture
High Precision Custom Aluminum CNC Machining Milling and Casting Parts Services factory
High Precision Custom Aluminum CNC Machining Milling and Casting Parts Services details
Material
Aluminum,gray cast iron,ductile iron,stainless steel, copper, brass, galvinized etc.
Size
Customized
Surface treatment
Powder coating, electroplating, oxide,anodization
Technics
laser cut, bend, weld, stamp,casting,forging
Certification
ISO9001:2015
OEM
Accept
Drawing Format
3D/CAD/Dwg/IGS/STEP
Color
Customized
Application
Appliance, Auto, Building, Capital equipment, Energy, Instrumentation, Medical device, Telecommunications
High Precision Custom Aluminum CNC Machining Milling and Casting Parts Services supplier
Who We Are
Dandong Pengxin Machinery Co., Ltd., founded in 1958, is a private enterprise specializing in casting, machining, and assembly.
Spanning 66,000 m² with 40,000 m² of workshops, it has $40M in assets and 330 employees, including 46 technical staff. Annual capacity reaches 100,000 tons.
Equipped with advanced technologies like high-pressure molding and Japanese FBO Ⅲ production lines, it produces up to 30,000
tons/year. Facilities include 12-pulse electronic furnaces, CNC machines, and a quality inspection center with precision
instruments.

 
Service

Pre-sales

Get your purchasing needs → Confirm order drawing→ Give customized solution → Offer a quotation → Make the pattern→ Provide samples→ Bulk production after samples approve the test.

On Sale

Drawing Control → Pattern Control → Raw Material Control → Molding Sand Control → Pouring Process Control → Raw Casting & Machining Control →Other Requirement Control→ Packing & Delivery Control.

After-Sales

Proactively get your feedback→ Engineering team gets involved→Casting engineer conducts metallographic and spectral tests based on the inventory test rods→Machining engineer's CMM inspection is based on the inventory samples→Provide solutions based on the test results→Welcome to contact us for your customized solution.
High Precision Custom Aluminum CNC Machining Milling and Casting Parts Services details
High Precision Custom Aluminum CNC Machining Milling and Casting Parts Services factory
R&D
Our Company Owns A Provincial Level Technology Center, Plus A 15 Person R&D Team, With average 20+ Years Of R&D Experience. We can help customers design for free according to their requirements, or produce according to the drawings or samples.
High Precision Custom Aluminum CNC Machining Milling and Casting Parts Services factory
Production Capacity
100,000 tons+Annual production capacity for Iron.
30,000 tons+Annual production capacity for Aluminum.
80,000 tons+Annual production capacity for Steel.
4000+Mold develop production.

Quality Control

At Pengxin-Casting, process control begins as early as in the planning and development phase of the products. We support our customers to perform all required tests and inspections in a laboratory. It goes without saying that our plants are certified according to ISO 9001 and IATF16949 in line with a validated quality management. As we strive to accomplish our zero-error policy, you can rely on the following process control measures: Drawing Control → Pattern Control → Raw Material Control → Molding Sand Control → Pouring Process Control → Raw Casting & Machining Control →Other Requirement Control→ Packing & Delivery Control.
High Precision Custom Aluminum CNC Machining Milling and Casting Parts Services manufacture

Pattern Control

We simulate feeding syetem to check the pattern desgin from the filling process and material solidification,In this way, we can shorten the mold development cycle, reduce the number of mold trials and improve product quality.The software we use includes ‌Abaqus,‌Moldflow and Moldex3D,simulate feeding system, reduce casting defects and improve efficiency.
High Precision Custom Aluminum CNC Machining Milling and Casting Parts Services manufacture

Raw Material Control

We check the chemistry property as new raw material coming.
High Precision Custom Aluminum CNC Machining Milling and Casting Parts Services supplier

Raw Casting & Machining Control

All dimensions 100% measuring Raw material spectral analysis and X-ray detection Critical dimensions with CMM measuring.
High Precision Custom Aluminum CNC Machining Milling and Casting Parts Services factory
High Precision Custom Aluminum CNC Machining Milling and Casting Parts Services details
Our Process Control
High Precision Custom Aluminum CNC Machining Milling and Casting Parts Services details
Our Team
High Precision Custom Aluminum CNC Machining Milling and Casting Parts Services details
High Precision Custom Aluminum CNC Machining Milling and Casting Parts Services factory

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