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The robotics industry is undergoing an unprecedented transformation. Robots have evolved from isolated machines into intelligent collaborative systems working alongside humans. In this constantly evolving ecosystem, precision prototyping becomes the fundamental pillar for developing robotic components that meet the highest standards of reliability, durability, and functionality. At ProtoSpain, we understand that every robotic component must be perfect from the very first prototype. Robotics leaves no room for error: every part must fit flawlessly, every tolerance must be exact, and every material must withstand thousands of operating cycles without failure.

PROTOSPAIN

Prototyping Applications in Robotics

Collaborative Robots (Cobots)

Collaborative robots represent the future of industrial automation. These systems work side by side with human operators, requiring components that combine technical precision with absolute safety. We manufacture:

Protective housings: Using impact-absorbing materials while maintaining access to internal systems
Precision joints: With tolerances of ±0.05 mm for smooth, repeatable motion
Custom gripping systems: Adaptive grippers for multiple applications
Safety components: Integrated sensors and emergency stop systems

Industrial Robotic Arms

Robotic arms are the heart of modern automation. Every joint and axis of movement requires extremely precise machined components:

Lightweight aluminum structures: Using aerospace alloys for maximum strength with minimum weight
Transmission systems: CNC-machined planetary gears and cycloidal reducers
Custom actuators: Components that convert energy into precise motion
End effectors: Specialized tools for specific tasks

Automation Components

Industrial automation requires parts that operate 24/7 without failure:
Linear guiding systems: Rails and carriages with precision finishes
Load-bearing supports: Structures that distribute weight while optimizing rigidity
Specialized connectors: Electrical and pneumatic interfaces resistant to vibration
Protective enclosures: IP65/IP67 protection for demanding industrial environments

Specialized Manufacturing Technologies

High-Precision CNC Machining

CNC machining is essential for robotic components. Our 5-axis machining centers allow complex geometries to be produced in a single operation.

Technical specifications:

Tolerances: ±0.02 mm on critical dimensions
Surface finishes: Ra 0.4 μm for sliding surfaces
Materials: Aerospace aluminum, hardened steels, titanium, technical plastics
Quality control: CMM verification of all critical dimensions

Additive Manufacturing for Robotics

3D printing is revolutionizing robotic prototype development.
SLA for precision components:
Complex housings with internal cooling channels
Transparent prototypes for visual verification
Tolerances of ±0.1 mm on intricate geometries
SLS for functional parts:
Nylon PA12 components with injection-like properties
No support structures required, enabling impossible geometries
Ideal for short validation series

DMLS for metal components:

  • Titanium parts for aerospace applications
  • Lightweight structures with optimized topology
  • Conformal cooling channels for motors
  • Specialized Processes

Precision stamping:

  • Sheet metal components with complex three-dimensional shapes
  • Consistent finishes for critical assemblies
  • Tolerances of ±0.2 mm on mounting dimensions
  • Advanced surface treatments:
  • Hard anodizing for wear resistance
  • Low-friction coatings for joints
  • Anti-corrosion protection for aggressive environments

Prototypes for the robotics sector

Application Sectors

Medical Robotics

Surgical robots require biocompatible components with extreme precision:​

  • Certified materials
  • Sub-millimetric tolerances for precise movements
  • Particle-free finishes for sterile environments
  • Full traceability of materials and processes

Collaborative Robotics

Cobots require components that guarantee human safety:​

  • Energy-absorbing structures in case of impact
  • Surfaces free of sharp edges
  • Non-sparking materials on contact
  • Integrated emergency stop systems
  • Industrial Automation

Industrial robots for ultra-fast, high-precision manufacturing:​

  • Components capable of withstanding millions of cycles
  • Materials resistant to extreme temperatures
  • Integrated lubrication systems
  • Predictive maintenance via embedded sensors

Specialized Materials for Robotics

Lightweight Alloys

Aerospace aluminum (7075-T6):

  • Optimized strength-to-weight ratio
  • Machinable with precise tolerances
  • Anodizable for surface protection
  • Weldable for complex assemblies

Technical Plastics

PEEK (Polyether ether ketone):

  • Thermal resistance up to 250°C
  • Excellent chemical resistance
  • Low friction for joints
  • Biocompatible for medical applications

POM-Delrin:

  • Exceptional dimensional stability
  • Low moisture absorption
  • Ideal for precision gears
  • Excellent machinability

Special Metals

Titanium Ti6Al4V:

  • Biocompatibility for robotic implants
  • Resistance to marine corrosion
  • Strength-to-weight ratio superior to steel
  • Weldable using specialized techniques

Autonomous Agricultural Robot

Challenge: Development of steering actuators for a field robot​

Solution: CNC machining of corrosion-resistant marine aluminum components

Result: 18% reduction in cycle time and reduction of operating weight from 42 kg to 2 kg per operator

Solar Panel Handling System

Challenge: High-payload collaborative robot for photovoltaic installation​

Solution: Lightweight structures with topology optimized through DMLS

Result: Safe handling of 42 kg panels by a single operator

Medical Exoskeleton

Challenge: Biocompatible components for rehabilitation​

Solution: Machining in Ti6Al4V titanium with specialized finishes

Result: Device enabling accelerated recovery of mobility

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Multi-Sector Experience

Our experience across multiple industrial sectors allows us to apply cross-disciplinary knowledge:

  • Aerospace precision applied to medical robotics
  • Automotive durability in industrial robots
  • Medical biocompatibility in human-contact cobots

Cutting-Edge Technology

State-of-the-art equipment:

  • 5-axis machining centers for complex geometries
  • Industrial 3D printers (SLA, SLS, and DMLS)
  • Vacuum casting systems (injection into silicone molds) for short runs of plastic parts
  • CMM measurement systems for dimensional control
  • Simulation software for prior validation

What tolerances are achievable in robotic components?

We achieve tolerances of ±0.02 mm in CNC machining and ±0.1 mm in SLA 3D printing. For critical applications, we can reach ±0.01 mm through specialized post-processing.

How do you ensure repeatability in validation series?

We use Statistical Process Control (SPC) and 100% CMM verification in critical series. If requested by the customer, each part is supplied with an individual dimensional certificate.

Can you manufacture biocompatible components?

Yes, we work with USP Class VI certified materials such as PEEK, Ti6Al4V titanium, and 316LVM stainless steels for medical applications.

Do you handle projects under NDA?

Absolutely. All our projects are protected by strict confidentiality agreements and advanced IT security systems.

Do you have a robotics project that requires precision components? Our team of engineers specialized in robotics is ready to transform your concept into functional reality.

Robotics is redefining the industrial future. At ProtoSpain, we manufacture the components that make this transformation possible, combining technical precision, constant innovation, and a commitment to excellence..

Request your personalized quotation and discover how our prototypes can accelerate the development of your next revolutionary robotic system.

Experts in prototyping for robotics

Cumpliendo
compromisos de calidad

ACERCA DE PROTOSPAIN

PROTOSPAIN ofrece servicios de fabricación de prototipos rápidos, pre – series, moldes de prototipado y moldes de fabricación en serie, mediante diferentes tecnologías, cumpliendo sus compromisos de calidad, plazos y costes contenidos.

OFICINAS

Parque Tecnológico de Asturias, Edificio CEEI, 33428 Llanera, Asturias, España

[email protected]
+34 985 980 098

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