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Large CNC Machining Services

Large CNC Machining Services

Delivering large-scale CNC components and assemblies (up to 34 feet) with exceptional tolerances and turnaround in just 10 days.
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35+ materials & 8+ finishes

NADCAP & NABL approved partners

Laser, CMM & hand inspections

Hardware installation & assembly

Precision Machining for Large CNC Parts

CNC parts up to 34 feet in length, manufactured with tolerances as tight as 0.007 inches — up to 10 times more precise than typical industry standards.

Fast CNC Delivery

Streamlined production with lead times as short as 10 days, supported by a global sourcing network to ensure the lowest landed cost.

Precision Verified

Advanced Gantry CMMs (up to 2500 × 5000 mm), 3D scanning, surface roughness inspection, and non-destructive testing verify every critical dimension — including Nadcap-certified NDT.

Built to Specifications

We meet all 2D drawing requirements with precision, including insert installation, post-processing, special surface finishes, and assembly.

Global CNC Support

Get complete CNC manufacturing, processing, welding, assembly, and finishing — all under one trusted partner, globally coordinated.

Dimensions Table

CNC Process Max Length (mm) Max Width (mm) Max Height (mm) Max Diameter (mm)
Large CNC Mill 10,500 3,700 1,200 ----
Large Horizontal CNC Lathe 10,500 ---- ---- 2,500
Large Vertical CNC Lathe 1,600 ---- ---- 2,500

Large CNC Machining Materials

A2 Tool Steel

Tool steel is known for its exceptional wear resistance, hardness, and toughness, making it ideal for high-stress applications. It is commonly used in the production of fixtures, cutting tools, tool holders, gauges, dies, and punches due to its durability and ability to maintain sharp edges under repeated use.
Mill Lead Time: As fast as 7
Finishing Options: Media Blasting, Vibratory Tumbling, Black Oxide, Powdercoating

Aluminum

Aluminum is a lightweight, highly adaptable material widely used across multiple industries. It combines a high strength-to-weight ratio with excellent corrosion resistance, malleability, and strong thermal and electrical conductivity. These properties make it ideal for applications that demand weight reduction, durability, and effective heat transfer—such as engine blocks, heat exchangers, and various transportation components.
Mill Lead Time: As fast as 3 days
Alloys: 6061-T6, 7075-T6, 7050, 2024, 5052, 6063, MIC6
Finishing Options: Alodine, Anodizing Types II, III, III + PTFE, ENP, Media Blasting, Nickel Plating, Powder Coating, Tumble Polishing.

Copper

Copper alloys 101 and 110 are renowned for their exceptional thermal and electrical conductivity, making them ideal for electrical applications such as bus bars, wire connectors, and components in power transmission and distribution systems. In addition to their conductivity, they offer excellent durability, corrosion resistance, and ease of fabrication. These properties make them a top choice for high-performance electrical equipment, including transformers, generators, motors, and switchgear.

Mill Lead Time: As fast as 3 days

Finishing Options: vailable as-machined, media blasted, or hand-polished
Alloys: 101, 110

Stainless Steel

Stainless steel is a widely used and highly versatile material valued for its exceptional strength, durability, and resistance to heat and corrosion. It plays a vital role across industries such as construction, automotive, aerospace, and manufacturing. Common applications include heat exchangers, industrial ovens, exhaust systems, construction equipment, heavy machinery, engine parts, fasteners, turbine blades, tanks, pumps, valves, medical equipment, and orthopedic implants.
Mill Lead Time: As fast as 7 days
Finishing Options: Black Oxide, Electropolishing, ENP, Media Blasting, Nickel Plating, Passivation, Powder Coating, Tumble Polishing, Zinc Plating, Vibratory Tumbling
Alloys: 303, 304L, 316L, 410, 416, 440C, 17-4PH, Nitronic 60

Large CNC Parts Machined by Sunrise Industries

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Large CNC Parts Machined FAQs

What qualifies as a large CNC part?
Large CNC parts typically refer to components that exceed standard machining bed sizes—usually over 24 inches in length or width. In many facilities, parts up to 10 feet or more can be considered large.
Large CNC parts can be machined from a wide variety of materials including aluminum, stainless steel, carbon steel, titanium, brass, copper, and engineering plastics like Delrin and UHMW.
Industries such as aerospace, automotive, energy, construction, defense, heavy equipment, and marine frequently require large CNC-machined components.
Precision depends on the machine and part size, but many shops can maintain tolerances as tight as ±0.005” (0.127 mm) or even better, depending on part complexity and material.
Yes. Advanced multi-axis CNC machines (like 5-axis) can handle complex contours, drilled holes, pockets, and surface features even on oversized parts.
Many machining providers offer additional services such as precision grinding, surface finishing, heat treatment, anodizing, painting, or coating to meet specific requirements.
Lead time depends on part complexity, material availability, and finishing needs. Typically, it ranges from 2 to 6 weeks, but urgent jobs may be expedited.
Yes. Most providers support both low-volume prototyping and high-volume production of large CNC parts.