CNC Precision Machining C102 Copper

VT machining provides CNC Precision Machining C102 Copper for customers who need accurate, repeatable C102 Copper components. The machinability of C102 Copper is moderate; gummy, so sharp tooling and coolant are used, so we set the operation up specifically for this grade.

CNC Precision Machining Capability for C102 Copper

  • Excellent conductivity
  • Thermal management
  • Tolerance to ±0.02 mm
  • Solderable

C102 Copper Material Data

C102 Copper — typical properties, quoted for C11000 ETP
Density8.94 g/cm³
Tensile strength220–350 MPa
Yield strength (0.2%)70–330 MPa
Hardness40–100 HV
Melting point1083 °C
Thermal conductivity391 W/m·K
Thermal expansion17.0 ×10⁻⁶/K
Electrical conductivity101%
Machinability (C36000 = 100%)20%
Grades we runC10100 OFE, C10200 OF, C11000 ETP, C14500 tellurium copper

Published typical values for C11000 ETP. Other grades in the family differ — the certificate supplied with your order carries the actual heat-lot figures.

Machining C102 Copper — what actually causes trouble

It smears rather than cuts. Razor-sharp uncoated tooling and high rake; if the print allows it, C14500 tellurium copper machines four times better at ~90% IACS.

Machining C102 Copper with CNC Precision Machining

When machining C102 Copper, machinability is moderate; gummy, so sharp tooling and coolant are used. Our process plan reflects this so the finished part holds its tolerances without distortion or poor finish.

Documented parameters for C102 Copper mean predictable cycle times and stable, repeatable results.

Achievable Tolerances for CNC Precision Machining C102 Copper

CNC Precision Machining C102 Copper — achievable tolerances
FeatureStandardPrecision
Linear dimension (< 100 mm)±0.05 mm±0.010 mm
Linear dimension (100–300 mm)±0.10 mm±0.025 mm
Hole diameter (reamed)H9H7
True position of hole pattern±0.10 mm±0.025 mm
Flatness over 100 mm0.05 mm0.015 mm
Perpendicularity0.10 mm0.020 mm
Surface finish, as machinedRa 1.6 µmRa 0.4 µm

Standard is what a normal quotation assumes. Precision is available on nominated features and is priced separately, because it needs extra setups, in-process gauging and CMM verification. Call out only the features that need it — blanket-tightening a drawing is the single most common reason a quote comes back expensive.

CNC Precision Machining Tolerances & Surface Finish

For CNC Precision Machining, dimensional and positional tolerances around ±0.01 mm are routine, tightening toward ±0.005 mm on precision setups. Surface finish on machined faces typically falls in the Ra 0.4–1.6 µm range depending on tooling and pass strategy.

Exact achievable figures depend on the alloy, the feature size and the part geometry. Tell us which dimensions are critical and we will advise feasibility up front.

CNC Precision Machining Quality & Inspection

Quality is built in, not inspected on. We monitor key features during the run and confirm them at final inspection, with CMM verification available for tight tolerances. We provide the inspection and traceability records your quality system requires.

Design Tips for CNC Precision Machining C102 Copper

Small design adjustments often cut cost and lead time. Generous internal radii, sensible pocket depth-to-width ratios and avoiding very thin unsupported walls all reduce cost and improve accuracy in C102 Copper. If you send your model early, we will return practical DFM feedback before you commit to production.

Why C102 Copper?

Customers select C102 Copper for CNC Precision Machining because it is excellent electrical and thermal conductivity. We handle grade verification and any required heat treatment or finishing.

Secondary Operations & Finishing

Most C102 Copper parts need some finishing, which we manage in-house or through vetted partners. Options include deburring and edge-breaking, heat treatment, surface grinding, polishing, and plating or anodising for corrosion resistance and appearance. Give us the finished-part requirement and we will sequence every operation correctly.

Applications of CNC Precision Machining C102 Copper

C102 Copper parts made this way are found throughout aerospace, medical, automotive, electronics and industrial equipment. Prototype, bridge and production volumes are all welcome.

How to Order CNC Precision Machining C102 Copper

Starting your project takes one email. Send your CAD or 2D drawing, the C102 Copper grade and condition, the quantity and any finish or inspection requirements. We respond quickly with price, lead time and any DFM notes, in clear English.

Finishing Options for C102 Copper

Finishing options available with this material
FinishThickness / effectWhy it gets specified
Tin plate3–15 µmSolderable, prevents oxidation
Silver plate2–10 µmLowest contact resistance for RF and power
Nickel underplate2–5 µmDiffusion barrier under tin or gold
Gold flash0.05–1 µmContact surfaces, over nickel
Deburr / edge break0.05–0.3 mmAll parts unless the drawing says otherwise
Bead blastRa 1.6–3.2 µmUniform matt finish, hides tool marks
Laser markingPart number, lot code, data matrix
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Set the metal, dimensions and features, watch the 3D model update as you type, then switch to the 2D sheet to add dimensions and tolerances. Download it or send it straight to us with your RFQ.

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What We Need to Quote CNC Precision Machining C102 Copper

  • GeometrySTEP or IGES for the 3D model, plus a PDF drawing if you have tolerance callouts. A dimensioned sketch is enough to start.
  • MaterialThe exact C102 Copper grade and condition — temper, heat-treat state or hardness. If you are not sure, tell us the function and we will suggest one.
  • QuantityPrototype count and the expected annual volume. Both change how the part is made and therefore what it costs.
  • TolerancesWhich features are critical. Everything else runs to our standard tolerance, which is what keeps the price sensible.
  • FinishSurface treatment, cosmetic requirements, and any faces that must be masked.
  • DocumentsWhether you need a material certificate, dimensional report, FAIR or PPAP with the shipment.

Missing something from the list is not a problem — send what you have. We will come back with the specific questions rather than a generic form.

C102 Copper in Other Processes

Related

Send the drawing, the C102 Copper condition and the quantity — pricing and lead time come back the same or next business day.

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Frequently Asked Questions

What tolerances can you hold for CNC Precision Machining C102 Copper?

Achievable tolerances for C102 Copper machining depend on the alloy, geometry and feature size. Milling holds positional and dimensional tolerances to around ±0.01 mm, tighter with precision setups. Exact figures are confirmed against your drawing callouts.

Why is C102 Copper a good choice for CNC Precision Machining?

C102 Copper is excellent electrical and thermal conductivity, which makes it well suited to CNC Precision Machining. We tune the process to the alloy so the finished C102 Copper machining part meets your dimensional and functional requirements.

What is the typical lead time and minimum order for CNC Precision Machining C102 Copper?

CNC Precision Machining prototypes for C102 Copper can be produced quickly and scaled to series production. Send your drawing and quantity and we will advise lead time and any minimum order.

What material thickness or size range suits CNC Precision Machining C102 Copper?

We machine C102 Copper across a broad size range; share your part envelope for confirmation.