Custom CNC Machining Services
Get custom metal, plastic, ceramic, and composite parts from prototype to repeat production. Weldo supports precision milling and turning with engineering review and controlled inspection.

CNC Manufacturing for Custom Parts
Our CNC manufacturing process is selected according to part geometry, tolerances, material behavior, surface requirements, and production volume.

CNC Milling
3-, 4-, and 5-axis milling supports CNC manufacturing of pockets, slots, holes, contoured surfaces, thin walls, and complex multi-face parts.
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CNC Turning
Precision CNC lathe machining for shafts, sleeves, bushings, threads, tapers, grooves, and other rotational components.
Explore CNC Turning →Supporting Processes for Complex CNC Parts
Multi-axis machining, Wire EDM, and grinding support features that milling or turning alone cannot complete.
Fewer SetupsMulti-Axis CNC Machining
Machine multiple faces and compound angles in fewer setups to preserve datum relationships.
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Fine ProfilesWire EDM Machining
Cut narrow slots, sharp internal profiles, and hardened conductive materials with minimal cutting force.
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Final SizingPrecision Grinding
Refine critical diameters and flat surfaces after machining or heat treatment.
Explore process →CNC Machining Materials
Compare 21 commonly machined metals and engineering plastics. Select a material to view its applications, common grades or types, compatible finishes where specified, image, and destination-link placeholder.

Aluminum
Lightweight, corrosion-resistant, and easy to machine. Suitable for aerospace, automotive, electronics, and structural parts.
Stainless Steel
Offers high strength, corrosion resistance, and a cleanable surface. Used for medical, food-processing, automotive, and industrial parts.

Copper
Provides excellent electrical and thermal conductivity. Suitable for terminals, connectors, electrical parts, and heat-transfer components.

Brass
Offers good machinability, corrosion resistance, dimensional stability, and electrical conductivity. Used for valves, fittings, connectors, terminals, gears, bushings, instruments, and decorative components.

Bronze
Combines wear resistance, corrosion resistance, and good sliding performance. Used for bearings, gears, valves, bushings, pumps, and marine parts.

Steel
Offers strength, toughness, and wear resistance. Commonly used for shafts, gears, bolts, tooling, engine parts, and structural components.

Magnesium
An ultra-light metal with a strong strength-to-weight ratio and good vibration damping. Suitable for aerospace, automotive, electronics, and lightweight structures.

Titanium Alloy
Combines a high strength-to-weight ratio, corrosion resistance, fatigue performance, and biocompatibility. Used for aerospace structures, medical devices, marine components, automotive parts, fasteners, and high-performance mechanical parts.

ABS
Combines impact resistance, toughness, and easy processing. Suitable for housings, covers, automotive trim, and prototypes.

PVC
Offers good chemical resistance and stable performance in corrosive environments. Used for housings, pipes, chemical parts, and insulation.

POM
Provides high strength, low friction, dimensional stability, and easy machinability. Suitable for gears, bearings, guides, rollers, and precision parts.

PTFE
Offers extremely low friction, excellent chemical resistance, and strong electrical insulation. Used for seals, gaskets, bushings, insulators, and wear parts.

PMMA
A transparent plastic with high light transmission and good machinability. Used for lenses, display covers, light guides, and transparent housings.

PC
Combines toughness, rigidity, impact resistance, and electrical insulation. Suitable for covers, housings, fixtures, and electronic components.

PA / Nylon
Provides good strength, low friction, and heat resistance. Used for gears, bearings, bushings, automotive parts, and industrial components.

FR4
A glass-fiber-reinforced epoxy laminate with high insulation, dimensional stability, and mechanical strength. Used for spacers, fixtures, brackets, insulating plates, and support panels.

PE
A lightweight, low-friction material with good chemical resistance. Suitable for sliding parts, guides, containers, wear strips, and low-load components.

PEEK
A high-performance engineering plastic with high strength, heat resistance, chemical resistance, and low friction. Used for aerospace, medical, chemical, and high-temperature parts.

PP
A lightweight thermoplastic with good chemical resistance and flexibility. Used for containers, connectors, housings, and structural parts.

HDPE
Offers high impact resistance, low moisture absorption, and good dimensional stability. Suitable for valves, pump bodies, gears, sliding bearings, and wear components.

HIPS
Combines impact resistance, easy processing, low moisture absorption, and cost efficiency. Used for appliance housings, packaging, automotive interiors, and industrial parts.
Component Finishing Options
Surface Finishes for CNC machined Parts
Since 2012, Weldo has selected more than 50 surface finishes for various aluminum parts.

Machined Finish
The part retains visible tool machining marks after it is processed by the machine tool.
Anodizing
Improves corrosion and wear resistance and supports colored protective coatings.
Sandblasting
Uses high-pressure abrasives to create a clean, rough and matte surface finish.
Powder Coating
Uses electrostatic application and heat curing to form a dense layer that improves corrosion resistance.
CNC Machining Capabilities
CNC milling and turning for metal and plastic parts, with precision features reviewed against the drawing, material, and process.
1.0 mm plastic
Final capability is confirmed after drawing, material, geometry, tolerance, and inspection review.
Inside Weldo’s CNC Machining Facility
3-, 4-, and 5-axis machining, programming, Wire EDM, and inspection support metal and plastic parts from prototype to production.




Inspection for Precision CNC Parts
Dimensional and material inspections are performed throughout production to verify drawing requirements.






From Prototypes to Repeat Production
Machining routes, inspection, packaging, and scheduling are adjusted to the project stage and quantity.
Rapid Prototyping
Validate geometry, fit, material, and function before production.
Low-Volume Production
Stabilize fixtures, programs, inspection, and finishing for repeatable batches.
Production Runs
Plan tooling, cycle time, batch inspection, packaging, and delivery.



Why You Can Trust Weldo Machining
Engineering review, documented quality control, and scalable production support help reduce sourcing risk.
ISO 9001 Quality System
Documented inspection procedures support consistent production quality.
Manufacturing Since 2012
Precision metal and plastic parts for international customers.
Engineering & DFM Review
Materials, tolerances, and critical features are reviewed before production.
Prototype-to-Production Support
Machining and inspection plans adapt from prototypes to repeat orders.
What files can I submit?
STEP, STP, X_T, IGES, IGS, SLDPRT, STL, DWG, DXF, PDF, and other common CAD or drawing formats.
Can you help select a material?
Yes. Share the load, temperature, environment, weight, finish, and cost targets for engineering review.
How tight can CNC tolerances be?
Actual capability depends on geometry, material, feature size, process, and inspection method, and is confirmed after drawing review.
Can finished parts be supplied?
Yes. More than 50 finish options are available, with masking and dimensional allowances reviewed before production.
Ready to Review Your Parts?
Upload your CAD files, drawings, material, quantity, finish, and inspection requirements for a project-specific quotation.
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