APPLICATION EXAMPLE · ROBOTICS

Robot Hand Structural Components

Finger links, joint supports and mounting interfaces for articulated robot hands. Review the component geometry, pivot relationships and assembly clearances before selecting the machining route.

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Robotic hand with machined finger links and joint supports

Define each part within the hand assembly

A robot hand combines several different structural parts. The pictured hand and separate joint components illustrate the application; they do not establish a material grade, machining method or delivered TOVILON project.

Finger links and joint supports

Identify pivot bores, pin fits, side clearance and the surfaces that locate each joint. Thin sections and small internal radii affect tool access and workholding.

Palm and wrist interfaces

Review the actual palm model separately. Finger mounting positions, actuator space and the wrist connection must match the complete assembly.

Actuation and routing

Check space for tendons, cables, fasteners or linkages through the required movement. A part that meets isolated dimensions can still interfere after assembly.

Collaborative robot gripper with machined fingers picking parts — Gripper fingers and hand links share the same issues: small pin bores, thin sections and faces that must line up once the parts are assembled.

Select the machining and inspection route

Indexed or simultaneous five-axis machining may help with angled features and contoured surfaces. Simpler links can use milling, while pins and bushings may use turning. The component model, material and required fit determine the route.

Agree how pivot position, bore size, mating faces and edge conditions will be measured. Material grade, achievable tolerances, surface treatment and inspection records are confirmed for the quoted component.

Five-axis machining review

Send the assembly context with the part drawing

Include the released model and drawing, material, quantity, mating pin or bearing information, movement envelope and the interfaces that determine acceptance. Use assembly views to explain clearance and routing requirements.

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Engineering guides for parts like this

Engineering guide5-Axis CNC Machining for Robotic PartsHow tool access, aluminum selection, functional interfaces and inspection planning shape custom CNC components for robotic joints and automation systems.Read the guide Engineering guideFeature-Based CNC Machining: How Process Planning and Simulation Reduce Risk on Complex PartsHow engineers turn holes, pockets, chamfers and fillets into a reliable machining route, and why simulation and DFM review matter before the first cut.Read the guide