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The TriMech Group offers a comprehensive portfolio of engineering and design software, hardware, professional services, and support, to clients accross the globe. Use the links above to visit the group's websites and learn more.
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CNC Machining

Computer Numerical Control (CNC) machining of metal or plastic prototypes and tooling programmed directly from your CAD file

Variety of Applications

CNC machining is excellent for making jigs, fixtures, tools, molds, and prototypes.

Plastic or Metal Part Production

TriMech offers high-precision CNC machining with engineering-grade plastic materials (including ABS, polycarbonate, Nylon, and PEEK) and metal materials (including stainless steel, aluminum, and copper).

Low or High Volume Production

Extremely accurate process and is, therefore, ideal for low- and high-volume production of end-use production-grade metal and plastic components

Why choose CNC Machining?

CNC Machining Services, including milling, and turning for the production of high-quality parts using modern machining methods. With highly skilled machinists and industry-leading equipment TriMech can accommodate a vast array of manufacturing applications.

CNC machining is a subtractive fabrication method, whereby unwanted material gets milled (cut and removed) away from a block of metal or plastic.

CNC machining is usually a slower prototyping process than 3D printing parts. However, it is an extremely accurate process and is, therefore, ideal for low- and high-volume production of end-use production-grade metal and plastic components.

CNC Machining Service Overview

CNC Machine Programming

Fast and Precise Machining

TriMech is able to create CNC machined parts with at a fast rate.

At the same time, TriMech’s experienced engineers ensure the highest standards with cutting edge software and equipment.

Milling machine and workpiece

Variety of CNC Machines

TriMech’s facilities provide a variety of equipment such as single axis lathes for executing round parts such as nozzles, engine components and thread shafts.

Plus 4-axis machines, which substantially reduce turnaround time by eliminating intermediate setups and enabling undercuts and off-axis features.

Part Finishing

Part Finishing

We offer a variety of expertly applied finishing options to improve the mechanical and aesthetic properties of components, including painting, anodizing, EMI and RFI shielding and hand polishing.

CNC Machining can also be used to finish 3D printed parts that require boring, drilling, face milling or other precision machining for enhancing features.

Example Parts

Example complex and precise machined CNC parts machined parts for a variety of applications, pick on the images below to enlarge:

CNC Machining Benefits

Quantities from one to thousands

Fast delivery of machined parts

Very tight tolerances

Machine a variety of materials

CNC Machining Applications

Excellent for end-use parts, molds, fixtures, and inserts

Parts can be textured, powder coated, anodized, chromed

High precision parts

Plastic or Metal Part Production

CNC Machining Service Materials

Meet your most demanding and precise applications with CNC materials

Plastic Materials for CNC Machining

MaterialDescriptionBenefitsApplications
ABSLow cost engineering plastic that is easy to machine and fabricate
  • Excellent impact resistance
  • Good machinability
  • Excellent aesthetic qualities
  • Easy to paint and glue
  • Good strength and stiffness
  • Low cost
  • Machined prototypes
  • Structural components
  • Support blocks
  • Housings
  • Covers
PolycarbonateEngineering plastic with excellent dimensional stability and good strength and stiffness over a wide range of service temperatures.
  • Low moisture absorption
  • Good insulating properties
  • Excellent flammability rating
  • Easy to fabricate, paint and glue
  • Structural applications requiring clarity and impact strength including lenses, manifolds, site glasses and machine guards
  • Electrical applications
Polycarbonate 20% GF20% glass reinforced polycarbonate with higher temperature and tensile properties.
  • Superior impact strength
  • Excellent dimensional stability
  • Outstanding mechanical strength and stiffness
  • Transparency
  • Good electrical properties
  • Good machinability
  • Gears, rollers, internal mechanical parts, connectors and relays
  • Pumps, valves, light bezels and instrument panels
Nylon 6/6Type 6/6 is a general purpose, standard grade nylon. Extruded in natural and black.
  • Outstanding wear resistance
  • Low frictional properties
  • Very good temperature, chemical and impact properties

Ideal for metal replacement applications such as:

  • Bearings
  • Gears
  • Sheaves
  • Sprockets
30% GF Nylon30% glass-fiber reinforced nylon 6/6 material with superior abrasion and wear resistance.
  • More than double the strength and stiffness of unreinforced extruded nylons
  • Heat deflection temperature approaches its melting point
DelrinCrystalline plastic that offers an excellent balance of properties that bridge the gap between metals and plastics
  • Good dimensional stability
  • Excellent machinability
  • Superior impact and creep resistance
  • High fatigue endurance
  • High strength and stiffness properties
  • Chemical resistance to fuels and solvents
  • Low moisture absorption
  • Good wear and abrasion properties
  • Ideal for many industrial wear and mechanical applications
  • Parts exposed to a moist or wet environment, such as pump and valve components
  • Gears
  • Bearings
  • Bushings
  • Rollers
  • Fittings
  • Electrical insulator parts
HDPEHDPE is used in a wide variety of applications and industries where excellent impact resistance, high tensile strength, low moisture absorption and chemical and corrosion resistance properties are required.
  • Meets FDA/USDA food handling guidelines (natural color)
  • Chemical- and corrosion-resistant
  • Light-weight
  • No moisture absorption
  • High tensile strength
  • Non-toxic
  • Non-staining
  • Thermoforming performance
  • Light duty chain guides
  • Orthotic and prosthetic devices
  • Secondary containment
  • Tanks
  • Thermoformed material handling devices
  • Water storage
PolypropyleneCrystalline material noted for its high strength-to-weight ratio, excellent chemical resistance and high performance in thermoforming and corrosive environments
  • Appropriate for applications to 180F (82C)
  • Resists most acids, alkalis and solvents
  • Meets FDA 21CFR 177.1520
  • Thermoforming performance
  • Chemical- and corrosion-resistant
  • No moisture absorption
  • Meets USDA guidelines for use in federally inspected meat and poultry packing facilities
  • Orthotic and prosthetic devices
  • Plenums and manifolds
  • Secondary containment
  • Valve bodies
  • Plating and anodizing process equipment
  • Pump components
  • Storage tanks
Clear AcrylicRigid, hard thermoplastic material that is characterized by its color range availability and easy fabrication
  • Excellent UV stability
  • Sign manufacture
  • Point of Sales display units
  • Safety glazing
  • Machine enclosures
  • Model manufacture
PVCNormal impact, high corrosion resistant polyvinyl chloride
  • High strength-to-weight ratio
  • Cost efficiency
  • Ease of fabrication
  • Economic balance
  • Ideally suited for applications where maximum chemical resistance is necessary
ULTEM™ 1000 ResinAmorphous thermoplastic polyetherimide (PEI) material that combines exceptional mechanical, thermal and electrical properties; Natural ULTEM™ 1000 Resin (unreinforced) is a translucent amber material
  • Excellent mechanical strength
  • Outstanding heat resistance
  • Exceptional resistance to environmental forces
  • Inherent flame resistance with low smoke evolution
  • Medical
  • Electronic/Electrical
  • Microwave
  • Automotive
  • Aircraft
ULTEM™ 1000 20% GF ResinAddition of glass fiber reinforcement to the basic ULTEM™ Resin
  • Greater tensile strength and rigidity
  • Improved dimensional stability
  • Medical
  • Electronic/Electrical
  • Microwave
  • Automotive
  • Aircraft
G-10 FR4Versatile, all-around electrically insulating material
  • Epoxy impregnated laminate which meet

Metal Materials for CNC Machining

MaterialDescriptionBenefitsApplications
Aluminum 6061 T6Generally selected where welding or brazing is required or for its high corrosion resistance in all tempers; Machining is more difficult when compared to the other machining alloys
  • Formability is excellent in O temper and good in the T4 temper
  • Corrosion resistance and appearance after anodizing are superior to all other screw machine alloys while strength is the lowest
Aluminum 7075 T6Baseline 7XXX alloy with a good balance of properties required for aerospace applications
  • First successful Al-Zn-Mg-Cu high strength alloy using the beneficial effects of the alloying addition of chromium to develop good stress-corrosion cracking resistance in sheet products
  • Aircraft and aerospace structures
  • Alclad skin sheet
  • Structural plate components up to 4 inches in thickness
  • General aluminum aerospace applications
Mic 6Similar to those in the 7000 series with precise adaptable additions of Zinc, Copper, Magnesium and components of Silicon, Iron and Manganese
  • Light weight
  • Smooth flatness tolerance
  • Good machining qualities
  • Free from tension, contaminants and porosity
  • Machine components
  • Aerospace and automotive components
  • Electronics
  • Laser technology and optical industry
303 Stainless SteelAustenitic free-machining stainless steel used primarily for parts requiring machining, grinding or polishing
  • Good corrosion resistance in mild environments
  • Good forming properties
  • Aircraft applications
  • Machine parts
  • Pump and valve parts
  • Architectural applications
  • Nuts and bolts

Client Testimonials

Thanks so much for all of your efforts. We look forward to working with you in the future.

Thank you for doing a great job on those challenging assemblies. We’ll be in touch again!

Our client was very impressed. You’ll probably start getting business directly from them in the future.

Industries we work with

TriMech services are used in a wide variety of industries

Architecture 3D Printing

Architecture & Construction

  • Model making
  • Urban planning
  • Concepts
Consumer Product 3D printing

High Tech & Consumer Products

  • Aesthetic and function testing
  • Concepts and prototypes
  • Sales and marketing models
Industrial design 3D printing

Industrial Design & Manufacturing

  • Aerospace
  • Automotive
  • Defense
  • Industrial equipment
  • Marine and offshore
  • Oil and gas
Medical 3D printing

Dental, Medical & Life Sciences

  • Anatomical models
  • Medical devices
  • Orthopedics
  • Prosthetics
  • Surgical planning models
Mold tool die 3D printing

Industrial Products, Mold Tool & Die

  • Jigs, fixtures, and assembly tooling
  • Injection molding
  • Silicone molding
  • Sand and investment casting
  • Thermoforming

Interested in CNC Machining?

Call 888.392.0957 or Upload Your Part