What are the differences in parts processing requirements between humanoid robots industrial robots

Many R&D engineers have an inherent understanding that the processing logic of robot parts is interconnected, humanoid robot parts can directly apply the drawings processing standards of industrial robots. After the actual outsourcing is implemented, it will be found that the usage scenarios of the two types of robots are completely different: humanoid robots integrate with humans, emphasizing lightweight touch safety; Industrial robots are designed for heavy-duty high cycle operations, prioritizing rigidity, impact resistance, long-term durability. Huiwen Zhizao often encounters rework problems caused by directly copying drawings when undertaking outsourcing of two types of robot components. Similarly, for joint shells connecting flanges, there will be significant differences in material selection, wall thickness control, chamfering, surface treatment, inspection focus. If processing standards are mixed, there may be cost waste the overall performance of the machine may meet expectations. This article outlines the core differences in the processing of two types of robot components.

Drawings can be copied, but the overall design constraints cannot be copied

Drawing transfer, only copying geometric shapes; However, the constraints of the entire machine will be automatically copied along with the drawings.

Humanoid robot: Working in a human-machine hybrid operation scenario, the core constraints are low motion inertia, human-machine contact safety, necessary load-bearing capacity.

Industrial robots: oriented towards high cycle continuous operation on production lines, with core constraints of heavy load, resistance to repeated impacts, long-term durability reliability. Two sets of constraints are transmitted downwards to the components: wall thickness strategy, sharp corner control, material selection, inspection focus points, evaluation criteria for surface treatment have all changed. It's just about "making big small" to complete design migration.

1. Humanoid robot components: Inertia constraints human-machine safety constraints are given higher priority

Humanoid robot parts, in addition to meeting mechanical load-bearing requirements, also have two high priority constraints: motion inertia control human-machine contact safety. To control inertia, a large amount of lightweight window thinning will be done; At the same time, the edges of the shell flange should be exposed without sharp corners, complete chamfering deburring are required.

When Huiwen Zhizao reviews the drawings of humanoid robot parts, in addition to conventional dimensional tolerances, they will specifically examine the exposed edges to determine the safety risks of human-machine contact. Some parts have passed the strength simulation, but the sharp edges have been treated, which poses a safety hazard to the entire machine in the human-machine integration scenario. The appearance edge condition of these parts are no longer "secondary appearance requirements", but functional requirements related to overall safety. Among them, CNC machining of robot joints is the most difficult category of humanoid robot components, the thin-walled porous features require high requirements for the entire process.

2. Industrial robot components: prioritize ensuring long-term durability performance under heavy load conditions

The assessment of industrial robot components focuses on functional fitting positions such as bearing mounting seats, gearbox fitting holes, end face fitting. Parts allow for the presence of common machining marks in non functional areas, but the coaxiality end face runout of bearing holes must be strictly controlled.

Regarding the heavy-duty shell of industrial robots, the Huiwen Intelligent Manufacturing Review Committee recommends distinguishing between functional non functional appearance surfaces, tilting the testing resources towards bearing holes positioning fitting surfaces. The accuracy priority of the functional mating surface of these components is much higher than the appearance effect.

3. The easiest types of real-life pitfalls to fall when transplanting drawings

1. Directly reducing the industrial robot drawings to obtain humanoid robot parts: only scaling the geometric dimensions without re evaluating the inertia exposed edge human-machine safety, resulting in safety hazards excessive inertia.

2. Directly applying the lightweight thin-walled concept of humanoid robots to industrial heavy-duty shells: blindly reducing the thickness of the thin wall, the fatigue durability performance does meet the standard under repeated impact conditions.

3. The surface treatment requirements are directly copied: humanoid robots value the sandblasted anode feel appearance of the exposed surface; Industrial robots prioritize anti-corrosion wear-resistant coatings, with different requirements for functional surface shielding.

4. Directly copy the testing items: humanoid robots need to add edge chamfer safety checks; Industrial robots focus on checking the positional tolerances of hole systems.

The following table is for engineering reference only is intended as a delivery commitment. Actual processing will be evaluated comprehensively based on the overall working conditions of the machine

When reusing existing drawings to create another type of robot component, it is enough to simply modify the external dimensions. It is necessary to simultaneously recheck the entire set of constraints: 1. Reconfirm the core constraints of the entire machine: whether it is human-machine fusion safety low inertia long-term durability under heavy load; 2. Re evaluate the wall thickness weight reduction window opening strategy, cannot directly scale inherit the old version; 3. Re check the requirements for rounded corners chamfers in the exposed contact area, distinguish between safety function edges ordinary non-contact edges; 4. Distinguish between functional matching surfaces appearance surfaces, reorganize the technical requirements for surface treatment masking; 5. Synchronously detection focus points, humanoid robots focus on edge safety, industrial robots focus on bearing hole system form position tolerances.

Huiwen Zhizao has passed the dual quality management system certification of ISO9001 IATF16949, is a national high-tech enterprise specialized new enterprise. It has a 20000 square meter factory, 370+precision production equipment, German Demage five axis Zeiss three coordinate detection equipment. It can undertake various structural components joint shells of humanoid robots industrial robots single piece sampling to medium to large batch processing, serving science technology innovation enterprises research institutions such as Lenovo, Xinsong, Xiaomi Ecological Chain, Beijing Institute of Technology, Chinese Academy of Sciences, deeply cultivating the field of robot CNC machining.

Frequently Asked Questions (FAQ)

Q: What is the most important thing to pay attention to in the machining of humanoid robot parts?

A: Low inertia lightweight design, safe rounded edges corners for human-machine contact, convenient assembly, consistent appearance. The joint housing belongs to the high difficulty category of precision machining.

Q: What is the core of processing control for heavy-duty shells of industrial robots?

A: High rigidity, impact resistance durability, with priority given to ensuring functional positional tolerances such as bearing holes, gearbox hole systems, end face runout.

Q: Can both types of robots be made of aluminum alloy?

A: Both can be used, but the selection criteria are different. Humanoid robots prioritize lightweight design; Industrial robots are prioritized for assessing their strength impact resistance.

Q: What are the main differences between the two in terms of surface treatment?

A: Humanoid robots often use anodes sandblasting, emphasizing appearance tactile sensation; Industrial robots prioritize blackening, nickel plating, hardening treatment, with a focus on achieving wear corrosion resistance.

Q: Can Huiwen Zhizao undertake two types of robot components conduct DFM evaluation of drawings?

A: Sure, after receiving the drawings, we will combine them with the overall usage scenario of the machine to sort out the complete set of constraints for materials, structures, chamfering, surface treatment, testing. We provide CNC machining, surface treatment, three coordinate inspection, covering single piece sampling to medium to large quantities, can undertake outsourcing requirements related to robot CNC machining.

Conclusion

The geometric shape of drawings can be replicated scaled, but the overall design constraints of humanoid robots industrial robots cannot be directly inherited. Directly copying old drawings only modifying dimensions will introduce the constraints of the old design the new product, resulting in excessive inertia, potential safety hazards, insufficient durability under heavy loads. In the early stage of outsourcing processing, it is necessary to clarify the overall working conditions of the parts in order to the appropriate processing standards. When handling cross machine drawing reuse projects, Huiwen Zhizao will realign the constraints of the entire machine, evaluate the complete set of conditions for component materials, structures, processes, reduce potential delivery risks in the later stage.