Engineering Resource
A robot is a chain of tolerances. Every joint interface, every arm segment and every end-effector mount adds its error to the chain, so the parts that matter most are the ones nobody sees.
What robotics demands
- Stiffness, because deflection at the base becomes large error at the tool tip.
- Low mass, because a lighter arm accelerates faster and needs less torque.
- Repeatability at joint and gearbox interfaces.
- Durability under continuous cyclic loading.
Typical components
Joint housings and covers, arm segments and links, gearbox and motor interfaces, end-effector mounts, gripper parts and base plates.
Materials
Aluminium for the balance of stiffness and low mass, titanium where strength-to-weight matters most, stainless where corrosion or wear resistance dominates, and machined composite components where stiffness per kilogram is the priority.
Where precision pays
Bearing bores, gearbox mounting faces and joint interfaces decide repeatability. Machining them in one set-up where possible, and verifying roundness, flatness and position on a Zeiss CMM for geometry and position, the TRIMOS V5 height gauge for heights and steps, and the AI-Vision system for fine features, keeps the tolerance chain short — which is the only way a robot stays accurate at the tip.