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Precision CNC Machining for Large Parts in Itasca, IL
Tech Max Machine has redefined job shop machining by specializing in precision computerized machining of large parts. Our advanced capabilities in CNC horizontal and vertical turning, 5-axis milling, and precision boring enable us to handle medium to large components with exceptional accuracy. We serve critical industries including aerospace, defense, nuclear, and energy, delivering turnkey solutions through strategic partnerships for plating, heat treating, and secondary processes. Our team prioritizes close collaboration with clients to optimize manufacturability, reduce risk, and ensure on-time delivery. With a state-of-the-art climate-controlled facility and certifications to AS9100:2016 and ISO 9001:2015 standards, we are committed to machining excellence and building long-term partnerships. Our mechanical assembly department complements our machining services, offering complete part solutions ready for field installation.

We maintain a full complement of assembly equipment and 10,000 square feet dedicated to assembly operations. Our expertise extends to electrical discharge machining (EDM) for complex parts made from difficult-to-machine materials. Through volume discounts on raw materials and comprehensive secondary services, we provide end-to-end project management from print to installation. Our decades of experience in machining concentric and eccentric shafts, standard threads, tapers, and custom contours demonstrate our technical proficiency. We understand the challenges of low-volume, high-complexity parts and remain eager to earn your trust through consistent delivery of precision-engineered solutions.
Services
CNC Horizontal Milling CNC Vertical Turning Wire EDM Machining Mechanical Assembly Secondary Services
Highlights and features
  • Specialize in precision machining of large, complex parts up to 120" in length
  • Certified to AS9100:2016 and ISO 9001:2015 quality standards by DNV
  • Offer complete turnkey solutions with strategic secondary process partners
  • Maintain state-of-the-art climate-controlled facility with advanced CNC equipment
  • Provide dedicated mechanical assembly services for complete part solutions
Associations and certifications
  • AS9100:2016
  • ISO 9001:2015
Services
CNC Horizontal Milling
Our CNC horizontal milling capabilities handle large rectangular parts up to 120" in length and 90" tall. We specialize in machining mounting plates, side frames, and forged blocks using heavy-duty precision equipment. This process excels at producing complex geometries in low-volume production runs for aerospace and defense applications.
Wire EDM Machining
Our state-of-the-art wire EDM machine cuts steel up to 20" thick and handles parts up to 30" long x 24" wide. This non-traditional method removes metal through electrical discharges, ideal for machining hard materials and intricate contours in mold blocks and extrusion dies after heat treatment.
Mechanical Assembly
Our dedicated 10,000 sq ft assembly department combines manufacturing with mechanical assembly services. We build custom machinery to specifications using components from our machine shop, offering complete testing and quality verification for field-ready installations across multiple industries.
Secondary Services
We coordinate specialized processes through trusted partners, including heat treating, surface treatments, plating, welding, and grinding. Our integrated approach manages the entire project lifecycle from raw material procurement to final finishing, ensuring seamless execution of complex manufacturing requirements.
CNC Vertical Turning
Our vertical turning centers handle short, round parts up to 94" in diameter. Gravity-assisted workholding ensures stability when machining rings, tubes, and discs, making this process ideal for producing precision components for nuclear and energy sector applications.
Questions
What industries does Tech-Max Machine serve?
We serve aerospace, defense, nuclear, energy, subsea, and university research sectors requiring precision machining of large, complex components.
What is Tech-Max's specialty in CNC machining?
We specialize in precision machining of large parts up to 120" long, with expertise in complex geometries and difficult-to-machine materials.
Do you offer complete assembly services?
Yes, our dedicated 10,000 sq ft assembly department provides mechanical assembly services for complete field-ready installations.
What quality certifications do you hold?
We maintain AS9100:2016 and ISO 9001:2015 certifications, audited by DNV, ensuring rigorous quality control standards.
Can you handle complete manufacturing projects?
Yes, we offer turnkey solutions managing projects from raw material procurement through final finishing and assembly with one purchase order.
What secondary services do you coordinate?
We partner for heat treating, surface treatments, plating, welding, grinding, and other processes required to complete parts to specification.
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