Success Case
As the robotics industry rapidly evolves towards higher degrees of freedom, miniaturization, and precision, traditional three-axis and four-axis machining can no longer meet the requirements of machining certain robot metal parts in terms of angles, curved surfaces, thin-walled structures, irregular shapes, and multi-directional composite machining. CNC 5-axis machining technology for robot metal parts can complete continuous machining at multiple angles and stations in a single setup, greatly improving part accuracy and production efficiency while reducing clamping errors and edge deformation. This makes it an ideal process for high-difficulty parts such as robot joint components, connectors, reducer housings, end effector assemblies, and structural supports.
We are equipped with multiple high-speed five-axis CNC machining centers, capable of processing various metal materials such as aluminum alloy, stainless steel, carbon steel, brass, and hard metals. We provide global robot customers with one-stop customized services, from structural suggestions, material selection, process design, small-batch prototyping to mass production.
Advantage
Five-axis machining enables one-time forming of complex structures
Five-axis machining can continuously process complex curved surfaces, inclined surfaces, and deep cavity structures, effectively solving the following challenges:
1.Irregularly shaped robot shells
2.Multi-angle sensor metal mounts
3.Robot joint shells & reducer end caps
4.Multi-curved end effector structural components
5.Lightweight parts with thin-walled structures
01
High Precision and High Stability
We use high-speed five-axis CNC machining centers, achieving dimensional accuracy of:
±0.005–0.01mm
Surface roughness of Ra0.4–0.8μm
This is particularly crucial for precision-fit structures, consistent mounting hole positions, and mating surfaces of transmission bearing seats commonly found in the robotics industry.
02
Wide range of material options
Can process various metals:
1.Aluminum alloys (6061, 7075, 5052)
2.Stainless steel (303, 304, 316, 17-4PH)
3.Brass, copper
4.Magnesium alloys
5.Tool steel
Meets different application requirements such as lightweight, corrosion resistance, and high strength.
03
Surface Treatments
Including:
1.Anodizing (black, transparent, colored)
2.Sandblasting, polishing
Surface hardening
3.Nickel plating, chrome plating
4.Laser engraving
5.Baking paint
Suitable for both appearance and functional parts.
04
Flexible Small-Batch & Large-Batch Production
Five-axis CNC offers advantages such as rapid changeover and high repeatability, meeting the needs of:
1.New Product Development
2.Sample Making
3.Small-Batch Trial Production
4.Large-Batch OEM Supply
Stable Delivery Time and High Efficiency
05
Manufacturing Process
1
Drawing Evaluation and Process Planning
Upon receiving the customer's 3D files (STEP, IGS, X_T, PRT, etc.):
1.Engineers check machinability
2.Evaluate toolpaths, fixtures, and clamping methods
3.Provide structural optimization suggestions (if necessary)
Especially for thin-walled structures of robot metal parts, we will assess deformation risks in advance.
2
Five-Axis CNC Machining
Using high-speed five-axis equipment to complete:
1.Surface finishing
2.Deep cavity and irregular structure cutting
3.Multi-angle hole machining in one pass
4.Machining of internal reinforcing ribs and lightweight structures
Significantly reduces the number of clamping operations and improves accuracy.
3
Secondary machining (if required)
Includes:
1.CNC finishing
2.Threading (metric, US, UK)
3.Tapping, reaming
Assembly hole placement trial assembly to ensure all details meet the usage requirements of robot metal parts.
4
Surface Treatment
We select different treatment processes according to customer requirements to improve appearance or performance.
5
Final Inspection
We will conduct:
1.Dimensional inspection (calipers, coordinate measuring machine)
2.Thread inspection
3.Flatness & perpendicularity testing
4.CT or 3D scanning inspection of critical structures (optional)
Ensuring the finished product meets robot assembly requirements.
Quality Control & QA
To ensure the reliability of robot metal parts, we implement a rigorous quality process:
1. Incoming Material Inspection
Check material composition, hardness, and dimensions.
2. Real-time Monitoring of the Machining Process
The entire machining path is recorded using a 5-axis machining center.
3. Dimensional Inspection
Using:
3D Coordinate Measuring Machine (CMM)
2.5D ,Calipers, Micrometers,Thread Gauges
Ensuring that every hole and mating surface meets tolerance requirements.
4.Assembly Verification
For robot metal parts, we will:
Inspect screw holes
Test mounting screws
Inspect bearing/copper bushing mating surfaces
FAQ
Q1: What is the maximum machining accuracy that a CNC 5-axis machining robot can achieve for metal parts?
A: The accuracy of a 5-axis machine can reach ±0.005mm, suitable for the high-precision requirements of robot structural components.
Q2: Which metal materials are suitable for robot parts?
A: Aluminum alloys 6061/7075, 304/316 stainless steel, titanium alloys, etc., are all commonly used.
Q3: Do you support small batch production?
A: Yes, we support production from 1 sample to 10,000 pieces.
Q4: Can you provide surface treatments?
A: Yes, anodizing, sandblasting, electroplating, painting, hardening, etc., are all available.
Q5: What is the lead time?
A: Samples are shipped in 5-10 days; bulk orders are confirmed based on quantity.
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