5 Axis CNC Machining Service

Overview of CNC

As a core technology in modern manufacturing, Computer Numerical Control (CNC) machining services use computer programs to control machine tools, enabling the manufacturing of complex parts with high precision and efficiency. Thanks to its intelligent and automated production mode, CNC services have become a key support in high – end fields such as aerospace, automotive, medical, and electronics. Their technological advantages and industry value continue to stand out in the global manufacturing upgrade.

Customization process

Goldcattle CNC Customized Service

  • 26 years in the CNC machining manufacturing industry
  • A processing workshop in a factory building covering thousands of square meters
  • Customization based on drawings or samples
  • Processing of metal and non – metal materials
  • Hundreds of CNC processing equipment
  • Precision of ±0.005mm
  • A professional technical R & D team
  • A 100% quality inspection process
  • Delivery to all parts of the world

Our CNC machining technology

Milling

Milling

Process features: By using a rotating multi – edged milling cutter (such as end mills, slot drills, ball – nose mills, etc.) to cut materials, it can machine complex structures like planes, grooves, three – dimensional surfaces, and cavities.

Turning

Turning

The workpiece rotates while the cutting tool feeds axially or radially to machine rotational parts (shaft – type and disc – type parts).

Drilling and Hole Machining

Drilling and Hole Machining

Drilling and hole machining include processes such as drilling, reaming, boring and boring. Choose according to accuracy to adapt to hole machining in various scenarios.

Grinding

Grinding

The surface of the workpiece is ground with a grinding wheel (abrasive particles) to achieve ultra – high precision (tolerance of ±0.0005mm) and surface quality.

Electrical Discharge Machining 

Electrical Discharge Machining 

Material is eroded through pulsed discharge between the electrode and the workpiece. It is suitable for materials with high hardness (such as quenched steel, cemented carbide) or complex structures.

Tapping & Thread Milling

Tapping & Thread Milling

Tapping is used for internal thread machining, efficiently forming threads with a tap. Thread machining includes various processes to meet different precision requirements.

5 - Axis Machining

5 – Axis Machining

Through the linear motion of the X/Y/Z three axes and the rotation of the A/C two axes, complex curved surfaces (such as aerospace blades, automotive body panel molds) can be machined in one clamping.

Broaching

Broaching

A broach (with multiple rows of progressive cutting edges) is used to machine high – precision internal or external surfaces (such as spline holes and keyways) in one go. It is suitable for mass production.

Gear Hobbing & Cutting

Gear Hobbing & Cutting

Gear hobbing adopts the generating method, which has high efficiency and strong adaptability. It can machine spur gears, helical gears and worm gears, with an accuracy grade of 6 – 9.

Rapid Prototyping

Rapid Prototyping

Manufacture plastic/metal prototype parts through CNC machining to replace 3D printing and achieve higher strength and precision (such as medical device samples).

CNC - Machined Parts

CNC Processing Material List

Material NameCategoryDensity
(g/cm³)
HardnessTensile Strength
(MPa)
Yield Strength
(MPa)
Elongation
(%)
Thermal Conductivity
(W/(m·K))
Melting Point
(°C)
Machining PropertiesPrimary Applications
Aluminum AlloysLight Metal Alloys2.65–2.85HB 40–150180–650100–5805–15150–200577–660Excellent machinability, easy chip breaking; suitable for HSS/carbide tools; note tool wear and surface oxidation treatment.Aerospace (frames, impellers), automotive (wheel hubs, structural parts), electronics (phone casings, heat sinks).
Stainless SteelsIron-Based Alloys7.75–8.05HB 150–300/HRC 20–35500–1000200–50020–4015–251370–1450High viscosity, high cutting force; requires rigid machines and coated carbide/ceramic tools; adequate cooling needed.Medical devices (surgical instruments), food equipment (pipes), industrial equipment (valves, flanges).
Copper & Copper AlloysNon-Ferrous Metals8.6–9.0HB 40–150200–500100–30020–40350–4001083Good machinability, prone to tool adhesion; requires sharp tools and lubrication; suitable for precision machining.Electronics (connectors, heat sinks), plumbing (valves), musical instruments (brass pipes).
Titanium AlloysDifficult-to-Cut Alloys4.4–4.5HB 250–350/HRC 30–40900–1200800–11008–156–151668Poor thermal conductivity, high cutting temperature; requires special carbide/diamond tools; low cutting speed to prevent tool adhesion.Aerospace (blades, landing gears), medical (artificial joints), sports equipment (golf club heads).
Magnesium AlloysLightest Metal Alloys1.7–1.85HB 30–60150–30080–1808–12150–180650Excellent machinability, prone to oxidation/combustion; avoid high-speed dry cutting; use kerosene for cooling.Automotive (dashboard brackets), 3C products (laptop casings), aviation (secondary structures).
Carbon Steel (Low/Medium Carbon)Iron-Based Alloys7.85HB 100–200/HRC 15–30400–700250–40025–3545–551420–1500Moderate machinability; medium carbon steel requires preheating; prone to burrs; suitable for general-precision machining.Mechanical parts (gears, shafts), molds (templates), construction (steel structures).
Tool Steels (e.g., SKD11)Tool Steels7.85HRC 50–601500–20002–520–301350High hardness; requires carbide/ceramic tools; often annealed before machining, then heat-treated.Injection molds, stamping dies, precision cutting tools.
Zinc AlloysDie-Casting Alloys6.6–6.75HB 60–100200–300100–2001–5110–120419Good machinability, prone to brittleness; suitable for rapid machining; easy to plate.Hardware parts (locks, zipper heads), electronic casings (set-top boxes).
Nickel Alloys (e.g., Inconel)High-Temperature Alloys8.2–8.5HB 200–400/HRC 35–501000–1500600–100010–2010–201390–1425Severe work hardening; requires extremely low cutting speed and high-pressure cooling; use diamond/CBN tools.Aircraft engines (turbine blades), chemical industry (corrosion-resistant pipes).
Cobalt-Chromium AlloysMedical Alloys8.3–8.9HB 250–350/HRC 30–401200–1400800–100010–1510–151350–1400High wear resistance, high cutting force; requires high-precision machines and CBN tools; surface polishing needed.Medical implants (teeth, joints), high-end watches (cases).
Precious Metals (Gold/Silver)Special Metals19.3/10.5HB 20–30100–30050–15030–40290/4201064/962Excellent ductility, prone to tool adhesion; requires ultra-precision tools and constant temperature; suitable for micro-machining.Jewelry, electronics (high-frequency component plating), precision instruments (contacts).
Tungsten/Molybdenum AlloysRefractory Metals19.3/10.2HB 300–5001000–3000800–25001–5170/1353422/2623High melting point and hardness; requires diamond tools and extremely slow feed rate; very high machining cost.Aerospace (high-temperature components), electronics (filaments, heat sinks).
Material NameCategoryDensity
(g/cm³)
HardnessTensile Strength
(MPa)
Yield Strength
(MPa)
Elongation
(%)
Thermal Conductivity
(W/(m·K))
Melting/Softening Point
(°C)
Machining PropertiesPrimary Applications
ABSGeneral-Purpose Plastic1.02–1.05HB 80–10030–5025–4020–400.15–0.2105 (Softening Point)Good machinability, prone to melting; control cutting temperature to avoid burrs; usable with HSS tools.Model making, home appliance casings, toys (LEGO).
Nylon (PA)Engineering Plastic1.12–1.15HB 90–12050–8040–60150–3000.25–0.3215–260 (Melting Point)Hygroscopic, requires drying; prone to deformation during cutting; needs sharp tools and cooling.Mechanical parts (gears, bearings), automotive (engine components), 3D printing materials.
Acrylic (PMMA)Optical Plastic1.18–1.20HB 100–12050–7045–605–100.17–0.2105 (Softening Point)Brittle, prone to chipping; requires ultra-high-speed cutting and lubrication; suitable for high-gloss surface machining.Optical lenses, billboards, instrument panels.
PVCGeneral-Purpose Plastic1.3–1.45HB 70–10040–5030–405–200.16–0.1980–85 (Softening Point)Chlorine content may corrode tools; use carbide tools; produces harmful gases during machining; requires ventilation.Pipes, panels, packaging materials.
POM (Acetal)Engineering Plastic (Delrin)1.41–1.43HB 120–13060–7550–6525–750.22–0.3175 (Melting Point)Low friction, excellent machinability, prone to crystallization; control feed rate to avoid burrs.Precision gears, bearings, valve components.
PEEKHigh-Performance Engineering Plastic1.3–1.45HB 120–14090–10080–9030–500.25–0.3343 (Melting Point)High temperature resistance and hardness; requires carbide/diamond tools; preheat to over 150°C before machining.Aerospace (bearings), medical (sterilization equipment), semiconductors (high-temperature components).
Carbon Fiber CompositesFiber-Reinforced Plastic1.4–1.6HB 150–2001000–2000 (Longitudinal)0.5–10.5–1 (Longitudinal)Resin Matrix ≈200 (Decomposition)Anisotropic, prone to delamination; use diamond tools and high-pressure dust extraction; cutting speed >10,000 rpm.Aerospace (fuselage skins), racing cars (chassis), sports equipment (rackets).
Glass Fiber (GFRP)Fiber-Reinforced Plastic1.8–2.1HB 180–250500–1000 (Longitudinal)1–20.3–0.5Resin Matrix ≈180 (Decomposition)Fibers wear tools easily; use diamond/tungsten carbide tools; dust protection needed during machining.Marine (hulls), wind energy (blades), automotive (bumpers).
WoodNatural Material0.4–0.8HB 10–3040–60 (Along Grain)5–100.15–0.2230 (Ignition Point)Easy to machine; adjust feed direction according to grain; use HSS tools; surface polishing needed.Furniture, handicrafts, models, musical instruments (guitar bodies).
Stone (Marble/Granite)Natural Stone2.6–2.8Mohs 3–750–200 (Compressive)<12–3>1500 (Decomposition)High hardness; requires diamond tools and water cooling; slow machining speed; dust control needed.Architectural decoration (reliefs), tombstones, precision instrument bases.
Ceramics (Alumina/Zirconia)Industrial Ceramics3.0–6.0Mohs 8–9200–500 (Compressive)<0.115–30 (Alumina)2050 (Alumina Melting Point)Extremely high hardness; only machinable with diamond tools; requires ultra-precision machines and nanometer-level control.Electronics (circuit substrates), aerospace (thermal barrier coatings), precision bearings.
Foam (EPS/EVA)Lightweight Material0.02–0.2Shore 10–50A1–510–500.03–0.0580–150 (Softening Point)Extremely low cutting resistance, prone to tool adhesion; requires sharp blades and vacuum clamping.Model prototyping, packaging materials, soundproof components.
PSU/PIHigh-Temperature Engineering Plastics1.2–1.4HB 130–15070–9060–8040–600.2–0.3300–400 (Melting Point)Requires high-temperature drying before machining; wear-resistant tools needed; suitable for high-precision, high-temperature parts.Aerospace (connectors), semiconductors (wafer fixtures).

A corner of the workshop and equipment

CNC equipment-3
CNC equipment-4
CNC equipment-1
CNC equipment-2
Pictures of CNC Workshop

Xiamen Goldcattle

We are a national grade high-tech enterprise which professionally speciallized in R&D and manufacture high precise injection parts, high precise machining parts, stamping parts, plastic injection parts and injection molded parts. We plastic injection parts manufacturer provide total solution to customers including molding design and manufacture, parts mass production and assembly.
 
As an OEM and ODM factory, we have a team of experienced and skillful industrial designers and engineers who are engaged in mold designing, manufacturing and CNC programming. With the principle of “high-quality, efficiency, honesty and service”, the aim of “sustainable operation, customers uppermost” and the good attitude of work and service, we are looking forward to building long-term and win-win business relationships with clients from all over the world. 
Photos of Goldcattle Factory

Custom CNC Parts Procurement FAQ

A: To ensure accurate pricing, please provide:​
  • Technical Drawings: CAD files (e.g., STEP/IGS) or clear 2D engineering drawings (with dimensions, tolerances, and surface roughness specified);​
  • Material Requirements: Specified material type (e.g., Aluminum 6061, Stainless Steel 304) and performance standards (e.g., tensile strength, heat treatment status);​
  • Quantity & Processes: Order quantity, surface treatment requirements (e.g., anodizing, electroplating), and special processes (e.g., thin-wall machining, precision grinding);​
  • Lead Time: Clear project timelines to assess production scheduling.

A: Low-volume customization is supported, with an MOQ of 1 piece (prototype). Volume orders (≥50 pieces) qualify for unit price discounts. Specifics may vary based on part complexity, material cost, and process difficulty.

A: Key factors:
  • Material Cost: Precious metals (e.g., titanium alloy, Inconel) or specialty plastics (e.g., PEEK) incur higher costs;
  • Machining Difficulty: Complex structures (deep cavities, thin walls, multi-curved surfaces) and high-precision requirements (below ±0.01mm) increase labor hours;
  • Surface Treatment: Specialized processes like electroplating or hard anodizing cost more than standard treatments.Cost optimization tips:
  • Provide standardized drawings (reduce design revisions);
  • Consolidate orders for similar parts;
  • Accept alternative materials (e.g., use 6061 instead of 7075 to lower costs without compromising performance).
A: Formal quotations with company seals are available (including material, process, and lead time details).
  • Prototype Stage: A sampling fee (covering material, programming, and tooling costs) is required, with a lead time of 5–15 working days (depending on complexity);
  • Volume Orders: Sampling fees are fully deductible from the order value for quantities ≥5000 pieces.
A: Standard precision is ±0.05mm, with precision machining achieving ±0.01mm and ultra-precision machining (e.g., optical lenses, medical devices) reaching ±0.001mm (1μm). Tolerance requirements must be specified upfront, and we ensure accuracy through machine calibration, tool compensation, and temperature-controlled environments.
Q2: What materials do you support? Can material certifications be provided?
A: Supported materials include:
  • Metals: Aluminum alloys (6061/6082/7075), steels (carbon steel, stainless steel 304/316/420, tool steel), copper/brass, titanium alloys (TC4), nickel-based alloys, etc.;
  • Non-metals: ABS, PC, nylon, POM, acrylic, PEEK, carbon fiber composites, etc.Material test reports (e.g., SGS certification, material certificates) are available to ensure compliance with ASTM, GB, ISO, and other standards.
A: Common surface treatments:
  • Metals: Anodizing (natural/colored), electroplating (nickel/chrome/gold), painting, passivation, blackening, hard anodizing;
  • Non-metals: Spraying, silk screening, electroplating (after conductive treatment), polishing (mechanical/chemical).One-stop services are supported, with full control from machining to post-processing to avoid multi-supplier errors.
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