CPI Manufacturing Solutions

Established in 2004, CPI provides complete motors and components for the OEM Industrial Motor Industry with over 75 years experience.

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Get in touch

(956) 986-2727

301 Mexico Blvd Suite #700
Brownsville, TX 78520 US

Advanced Precision Machining

CPI Manufacturing offers comprehensive machining services for the industrial motor industry and custom manufacturing applications. Our modern machining facility is equipped with CNC equipment capable of producing precision components to exact specifications.

From single prototypes to high-volume production runs, our experienced machinists and advanced equipment ensure consistent quality and precision. We specialize in motor components but also serve diverse industries with custom machining requirements.

Machining Services

  • CNC Turning and Milling
  • Precision Grinding
  • Boring and Honing
  • Custom Fabrication
  • Shaft and Rotor Machining
  • Bearing Bracket Manufacturing

Machining Specifications

Specification Capability
Max Workpiece Size Up to 120" diameter, 240" length
Max Weight Capacity Up to 10,000 lbs
Tolerance Capabilities ±0.0001" for critical dimensions
CNC Equipment 3-axis, 4-axis, and 5-axis machining centers
Materials Steel, stainless, aluminum, bronze, cast iron, alloys
Surface Finish Ra 8 microinches to 32 microinches typical

Precision Manufacturing Excellence

Our machining department combines advanced technology with experienced craftsmanship to deliver precision components that meet the most demanding specifications. We utilize modern CNC equipment, quality tooling, and proven processes to ensure consistent results.

Whether manufacturing standard motor components or custom parts for specialized applications, we maintain strict quality control throughout the machining process. Our team works closely with customers to understand requirements and provide machining solutions that meet or exceed expectations.

Component Specialization

  • Bearing brackets and motor housings

  • Motor shafts and rotor components

  • Sleeve bearings and bushings

  • Custom flanges and adapters

  • Pump and compressor components

  • Specialized industrial machine parts

Quality Assurance

Documented QA checkpoints from incoming inspection through in-process monitoring to final testing. ISO 9001:2015 certified quality management system ensures consistent excellence.

Safety First

Safety-trained crews with OSHA 10, NFPA 70E, TWIC, and up-tower qualifications. Comprehensive safety program with zero lost-time accidents.

Certifications

UL 508C, UL 1004, UL 2200, and IECEx certified. AWS certified welders and machinists. Certificates available upon request.

Frequently Asked Questions

CPI provides comprehensive machining services including CNC turning, CNC milling, precision grinding, drilling, tapping, boring, and custom fabrication. We specialize in motor components but also machine parts for various industrial applications. Our equipment can handle both small precision parts and large components up to 10,000 lbs.

We machine a wide range of materials including carbon steel, alloy steel, stainless steel (all grades), aluminum alloys, bronze, brass, cast iron, and specialized alloys such as Inconel and Monel. We can work with customer-supplied materials or provide material sourcing and procurement services based on your specifications.

Our machining capabilities include tight tolerances up to ±0.0001 inches for critical dimensions. Standard tolerances typically range from ±0.001 to ±0.005 inches depending on the feature and material. We maintain precision equipment and processes to ensure consistent accuracy across production runs, suitable for high-speed industrial motors and demanding applications.

Yes, we can work from customer-provided prints, CAD files, or reverse engineer existing parts. Our engineering team can create detailed manufacturing drawings from samples or sketches. We also offer design optimization services to improve manufacturability and reduce costs while maintaining or improving part performance.

We maintain comprehensive quality control including in-process inspections, final dimensional verification, material certification, and complete documentation. Our inspection department uses calibrated precision measuring equipment including CMM (Coordinate Measuring Machine) capabilities. We provide detailed inspection reports and material traceability for all critical components.

Precision Machining Solutions

From prototype to production, our advanced machining capabilities deliver the precision and quality your projects demand. Let's discuss how we can machine your success.

CPI Manufacturing Facility