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Business Details
46 Years
experience
Trusted CNC Machining Services in Rock Valley, IA
Valley Machining has been a trusted provider of precision machining solutions since 1980. Our ISO 9001:2015 certification underscores our commitment to quality management systems that consistently meet and exceed customer expectations. With decades of experience, we specialize in CNC turning, milling, multi-spindle screw machining, weldments, and complex assemblies for industries across North America and global markets. Our skilled workforce utilizes advanced machinery including multi-axis CNC lathes, palletized machining centers, and center-less grinders to deliver high-quality components. We maintain robust support departments for tooling, maintenance, and secondary operations while emphasizing exceptional customer service and on-time delivery.

Our investment in automation and robotics enhances efficiency without compromising precision. As a family-owned business founded by Len Van Otterloo and Chuck Ver Steeg, we combine innovative thinking with progressive approaches to remain a world-class supplier. Our comprehensive capabilities extend to plastics machining, coatings, and finish applications through trusted partnerships. By focusing on continuous improvement and maintaining transparent relationships with clients, we position ourselves as a reliable partner in today's competitive manufacturing landscape. Our 45-year track record demonstrates our ability to adapt to evolving industry demands while maintaining core values of quality and reliability.
Services
CNC Turning CNC Milling Weldments Assemblies Plastics Machining Multi-Spindle Screw Machines Coatings & Finishes
Details
  • Year established: 1980
Highlights and features
  • We are ISO 9001:2015 certified for quality management excellence
  • Our 45+ years of machining expertise ensures reliable precision components
  • We maintain 22 multi-spindle machines for diverse production capabilities
  • Our automated systems enable efficient high-volume production runs
  • We offer comprehensive in-house support departments for tooling and maintenance
Associations and certifications
  • ISO 9001:2015
Services
CNC Turning
Our CNC turning capabilities produce precision turned parts up to 25" in diameter using live tooling and robotic automation. With advanced bar feeders and gantry loaders, we minimize labor requirements while maintaining tight tolerances. Our multi-axis lathes handle complex geometries for single-operation efficiency.
CNC Milling
We utilize pallet systems and 4th axis tables for efficient CNC milling operations. Our machining centers handle complex 3D contours and multi-sided parts using advanced workholding solutions. This capability supports production of intricate components with high repeatability and dimensional accuracy.
Multi-Spindle Screw Machines
With 22 multi-spindle machines ranging from 9/16 to 4 inches capacity, we offer both CNC and automatic screw machine capabilities. This equipment enables high-volume production of precision turned components with consistent quality and reduced cycle times.
Weldments
Our welding capabilities include MIG, TIG, laser, and friction welding for diverse materials. We perform dissimilar material welding with destructive testing, micro analysis, and heat affected zone evaluation to ensure structural integrity for critical applications.
Plastics Machining
We machine various engineering plastics including UHMW, PET, PVC, and polypropylene. Our precision machining maintains material properties while achieving tight tolerances for applications requiring chemical resistance, wear performance, and lightweight characteristics.
Questions
What machining capabilities does Valley Machining offer?
We provide CNC turning, milling, multi-spindle screw machining, weldments, assemblies, plastics machining, and finishing services using advanced equipment.
Is Valley Machining ISO certified?
Yes, we maintain ISO 9001:2015 certification for our quality management system since 1998.
What materials can Valley Machining work with?
We handle metals through 4" diameter, plastics like UHMW and PVC, and perform dissimilar material welding.
What industries does VMC serve?
We support diverse industries with precision components for hydraulic systems, industrial equipment, and specialized applications.
Does VMC handle complete assemblies?
Yes, we provide assembly services ranging from simple installations to complex hydraulic unit builds and testing.
Where does Valley Machining deliver?
We serve North America and export precision components globally through reliable logistics partners.
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Reviews (1)
Theo Trucker
Apr 30, 2021 Report
Quick unloading
Flathead Receiving is located in the back building
Over night parking available in the front lot