MARINE & OCEANOGRAPHIC
Complex Geometries, Durability, Dependability
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Outsourced Manufacturing for the Marine & Oceanographic Industry
EMI has long tapped into and supported New England's twin traditions of scientific investigation and marine innovation. Manufacturing for marine and oceanographic customers must always account for an extremely rugged, corrosive and sometimes high pressure operating environment.
EMI's work can be found in tropical, temperate and arctic environments; soaring overhead, in littoral waters, on the flanks of undersea volcanoes and at the bottom of the Mariana Trench.










Marine & Oceanographic Industry Applications
Marine scientists rely on EMI's capabilities and know-how to create parts and assemblies for an astonishingly diverse range of applications.
End Use Products
- AUVs (Autonomous Underwater Vehicles)
- Leakproof Frames & Platforms
- Tethered Buoys
- Imaging Systems, Cameras and Optical Devices
- Other Sensing Devices
- Electronics
- Communications
- Specialized Equipment
Example Parts We Create
- Rings, pins, flanges, couplers
- Guide rods, precision rollers
- Bearings, bushings, plungers
- Tubes, rods, shafts, axles
- Mounting bases & plates
- Chassis, frames, housings
- Bolts, latches, carriers
Custom Manufacturing Process, Materials & Surface Treatments
Whether your core considerations are strength to weight ratio, pressure resistance, extreme durability, suitability for harsh and corrosive environments, water intrusion prevention, or something else, EMI brings a wide array of CNC precision manufacturing services to bear, with tolerances as tight as ±0.0001″ (±0.00254 mm). In addition, EMI can turn cylindrical parts as large at 70" long by 24" diameter, which gives expansive capabilities to firms building AUVs.
Manufacturing Processes
To support an endless array of manufacturing goals, Defense manufacturers needs are as diverse as the day is long. Here are some of the services we provide:
(click each for info about part sizes, weights and tolerances)
Click here for a more complete list of EMI's MANUFACTURING PROCESSES.
Materials
Defense industry designers specify a huge range of metallic, plastic and composite materials. EMI is capable of machining a great many of these, including (but not limited to):
- Stainless Steel & Carbon Steel
- Titanium
- Aluminum
- Molybdenum
- Specialty alloys (AlBeMet, Invar, Kovar, etc.)
- Plastics (PEEK, Delrin, Ultem, etc.)
- Composites (Fiberglass Laminates, Carbon and Glass Fiber Reinforced Polymers, Metal and Ceramic Matrix Composites)
Click here for a more complete list of MATERIALS EMI machines.
Surface Treatments
For Surface Finishing, whether your needs are tactile, emissivity control, lubricity, conductivity, corrosion resistance, color or something else, EMI delivers a diverse range of finishing solutions:
- Anodizing
- Electroplating
- Electroless Plating
- Passivation
- Chem Films
- Laser Marking, Silk Screening, Pad Printing
- Paint, Powder Coating
- Deburring
- Media Blasting
- Knurling
- Polishing
Our capabilities include surface roughness to 8 Ra and #4 finish for grained direction parts.
Click here for a more complete list of EMI's SURFACE FINISHING options.
Got an Urgent Job?
Value-Added Services
For those Defense industry partners needing further support, EMI offers several value-added services:
Quality Considerations
EMI is ISO 9001:2015 certified and ITAR registered, so quality assurance is built into everything we do. Using the latest testing and metrology equipment EMI performs in-process and finished article inspection, testing and verification activities our temperature controlled quality lab. And we provide traceability documentation and results certification as dictated by our customers business and regulatory needs.
Click for more info about Quality Assurance.
Responsive Service & Support
It takes great service and support to deliver the great products our customer's customers deserve. In order to serve you best EMI delivers highly responsive service and open two-way communications backed by a relentless focus on on-time delivery to support your supply chain needs.
"More than Parts, Partnership" is our brand promise and it permeates everything we do to serve you.
Testimonials
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Why EMI?
Choosing the right outsourcing partner for your precision manufacturing needs can be the difference between success or failure for a given project. The question is how to choose.
The answer is to optimize for the right relationship. Choose a partner that supports your supply chain needs by delivering responsive service, open two-way communications, and on-time delivery.
For more than a half-century and continuing to this day, EMI always seeks to co-create the right relationship by prioritizing our partners' success.
Our Promise:
“More than Parts, Partnership”
Contact us today to start building the right relationship.