Precision for Motion-Critical Features
Bearing bores, shaft fits, motor mounts, gearbox interfaces and sensor datums can be manufactured and inspected around the relationships that control robotic motion.
ROBOTICS · MOTION · LIGHTWEIGHT STRUCTURES · FAST ITERATION
Manufacturing for Robotic Systems in Motion
Robotic hardware is defined by movement. Every gram, bearing fit, joint datum and cable route can affect speed, repeatability and service life.
Mockup helps robotics teams manufacture the mechanical system around those interactions—from early proof-of-concept parts to production-ready joints, end effectors, frames and assemblies.
- Precision parts for joints, actuators and end effectors
- Lightweight structures built around stiffness and inertia
- Fast prototype cycles with production-intent materials
- Mixed-process assemblies across CNC, sheet metal and polymers
Send the assembly, not only isolated part drawings. We can review critical motion interfaces, materials, manufacturing routes and inspection points together.
Motion firstRELATIONAL PRECISION
Mass + stiffnessSYSTEM TRADE-OFF
Assembly contextINTERFACES TOGETHER
Build in loopsITERATION READY
01 / WHY MOCKUP FOR ROBOTICS
Why Manufacture Robotics Parts With Mockup?
Robotic systems place unusual demands on mechanical parts. Weight affects inertia, stiffness affects repeatability, and small errors across bearings, shafts, motors and sensor interfaces can become visible once the system starts moving.
Mockup supports robotics teams with rapid prototyping, precision manufacturing and repeat production across CNC machining, sheet metal, additive manufacturing, molding and assembly. We focus on the interfaces that affect motion, fit and integration—not only isolated part dimensions.
Prototype to Production
Move from proof-of-concept parts to functional prototypes, pilot builds and repeat production while carrying approved materials, revisions and critical interfaces forward.
Lightweight Manufacturing Options
Compare CNC pocketing, high-strength aluminum, sheet metal structures and additive manufacturing when lower moving mass is important to payload, acceleration or efficiency.
Mixed-Process Manufacturing
Combine 5-axis CNC, turning, sheet metal fabrication, 3D printing, molding, finishing and assembly within one project instead of managing separate suppliers.
Fast Engineering Review
Send the assembly CAD, drawings and BOM. Mockup can review process choice, difficult features, tolerance risks and production requirements before manufacturing starts.
Quality Built Around the Assembly
Inspection can focus on bore alignment, shaft fits, parallelism, mounting datums, sensor position, component mass, insert retention and final assembly fit.
10+ YearsMANUFACTURING EXPERIENCE
10,000+PROJECTS DELIVERED
100+COUNTRIES SERVED
Prototype → ProductionMANUFACTURING SUPPORT
02 / MATCH THE PROCESS TO THE ROBOT PART
Different Robotic Components Need Different Manufacturing Routes
One robotic system may combine five or more manufacturing processes. The route should follow the function of each component rather than forcing every part into the same process.
01 / ROUTE
Complex Joint Geometry → 5-Axis CNC
Best suited to compact housings with bearing bores, motor interfaces and features located across multiple faces. Reducing setups can help preserve positional relationships between critical joint features.
02 / ROUTE
Shafts & Rotational Parts → CNC Turning
Used for shafts, pins, bushings, spacers and other rotational components where diameter, concentricity and surface finish matter.
03 / ROUTE
Frames & Chassis → Sheet Metal Fabrication
Efficient for larger structures, guards, electronics housings, mobile robot chassis and welded frames.
04 / ROUTE
Lightweight Polymer Parts → SLS / MJF
Useful for ducts, cable guides, covers, guards and functional prototype components with complex geometry.
05 / ROUTE
Production Polymer Housings → Injection Molding
Suitable when enclosure geometry is stable and production volume justifies tooling.
06 / ROUTE
Mixed Assemblies → Integrated Assembly
Machined parts, sheet metal, polymer components and purchased hardware can be brought together into mechanical subassemblies.
03 / ROBOTICS PROTOTYPING & PARTS
Robotics Prototyping and Manufacturing with Mockup
Building reliable robotic hardware requires more than producing parts to drawing. Joint alignment, moving mass, structural stiffness, bearing fits and assembly interfaces all influence how the finished robot performs.
Mockup supports robotics development from early functional prototypes to repeat production. CNC machining, sheet metal fabrication, 3D printing, molding, finishing and assembly can be combined according to the needs of each component.
Production-intent materials allow teams to test real mechanical behavior before scaling, while controlled revisions and inspection requirements help approved designs transition into production.
Start a robotics manufacturing project ↗MECHANICAL STACK / 24 PART TYPES
What Kind of Robotics Parts Can We Make?
✓End Effectors✓Robotic Grippers✓Gripper Fingers✓Joint Housings✓Actuator Housings✓Motor Mounts✓Gearbox Housings✓Bearing Housings✓Shafts & Pins✓Couplings✓Robot Arms✓Structural Frames✓AMR Chassis✓Sensor Mounts✓Camera & LiDAR Brackets✓Electronics Enclosures✓Covers & Guards✓Cable Management Parts✓Tooling Plates✓Mounting Brackets✓Calibration Fixtures✓Assembly Jigs✓Robot Base Plates✓Custom EOAT Components
04 / WEIGHT IS A SYSTEM DECISION
Reduce Mass Without Giving Away Stiffness
Robotics teams often ask for lighter parts, but simply removing material is rarely the best answer. The design should consider where the mass sits, how the load travels through the structure and which regions protect bearing or fastener interfaces.
- ✓Pocketing
Remove low-value internal mass while keeping material around load paths and precision interfaces.
- ✓Material Substitution
Compare aluminum, high-strength aluminum, titanium, steel or engineering polymers according to load and motion requirements.
- ✓Sheet Metal Conversion
Some large machined structures can be redesigned as formed or welded sheet metal assemblies.
- ✓Additive Geometry
Topology-driven or hollow geometries may be practical for selected low-volume components.
- ✓Local Reinforcement
Keep stiffness around bearings, fasteners, motors and structural joints rather than applying uniform wall thickness.
05 / ROBOT DEVELOPMENT MOVES IN LOOPS
Build, Test, Change, Repeat
Robotics programs rarely follow a straight prototype-to-production path. Mechanical changes are often driven by motion testing, payload changes, thermal behavior, sensor placement or assembly feedback. Development loop: Build → Assemble → Move → Measure → Revise → Build Again.
Proof of Concept
Test movement, geometry and basic architecture quickly. Processes typically favor speed and flexibility.
Functional Prototype
Introduce production-intent materials and interfaces so stiffness, load, fit and motion can be evaluated realistically.
Verification Build
Freeze critical datums, bearing interfaces, hardware and assembly relationships while continuing to refine non-critical geometry.
Pilot Build
Validate manufacturing repeatability, assembly sequence and inspection methods across a controlled batch.
Repeat Production
Carry approved revisions, process knowledge and critical inspection requirements into future releases.
06 / CRITICAL ROBOTICS INTERFACES
These Features Deserve More Attention Than General Tolerances
Not every dimension on a robotic part needs the same level of control. Protect the features that affect motion, alignment and assembly instead of over-tolerancing the entire part.
SpecificationDescription
Bearing boresJoint alignment, runout and bearing life
Shaft fitsBacklash, torque transfer and assembly
Motor interfacesAxis alignment and vibration
Gearbox datumsJoint accuracy and load transfer
Sensor mountsCalibration and positional stability
Parallel facesMotion alignment and assembly
Dowel locationsRepeatable component positioning
Fastener interfacesJoint stiffness and serviceability
Mass targetsPayload and inertia control
07 / DESIGN AROUND THE ASSEMBLY
The Robot Is the Product, Not the Individual Part
A drawing may describe one component, but its real function exists inside a larger mechanical system. When possible, provide neighboring parts, assembly CAD or interface information so manufacturing decisions can be reviewed in context.
- 01
Bore size alone is not enough; material, wall thickness, finish and assembly method can also affect the final bearing interface.
- 02
Mounting flatness, hole location and structural stiffness influence motor alignment under load.
- 03
Diameter, shoulder position, concentricity and mating geometry need to work as one rotational system.
- 04
Position matters only relative to the calibrated frame of reference.
- 05
Protective parts should allow motion, connector access and service without introducing interference.
08 / MATERIAL CHOICES FOR ROBOTICS
Choose Materials by Motion Role
Select material around load, moving mass, friction, environment and the function of each interface.
Aluminum 6061
A common choice for brackets, housings, frames and end effectors where machinability, weight and cost need to stay balanced.
Aluminum 7075
Useful for higher-load lightweight structures where additional strength is needed without moving to steel.
Stainless & Alloy Steel
Selected for shafts, pins, wear components and interfaces carrying higher loads.
Titanium
Considered when high strength-to-weight performance justifies higher material and machining cost.
POM / Delrin
Useful for guides, spacers and low-friction components.
PEEK
Selected for demanding temperature, chemical or performance requirements.
Nylon / PA
Well suited to additive covers, ducts, guards and cable-routing components.
09 / ROBOTICS QUALITY IS RELATIONAL
Inspect How Features Relate, Not Only Their Individual Size
Robotics quality often depends on relationships between features. Where appropriate, CMM inspection and dedicated gauges can be used around the most important interfaces.
Robotics quality often depends on relationships between features. Where appropriate, CMM inspection and dedicated gauges can be used around the most important interfaces.
- ✓Bearing bore position and bore-to-bore alignment
- ✓Shaft fit, runout, flatness and parallelism
- ✓Motor, gearbox, sensor and dowel datums
- ✓Component mass and insert retention
- ✓Torque, assembly fit, motion and clearance checks
10 / ROBOTICS APPLICATIONS
Built for Different Types of Robotic Systems
Mechanical parts and assemblies built around the different motion, structure and sensing needs of each robotic platform.
Industrial Robots
Joint housings, end effectors, structural components, calibration fixtures and automation tooling.
Collaborative Robots
Lightweight arms, grippers, covers and compact precision assemblies.
Autonomous Mobile Robots
Chassis, drive components, sensor mounts, battery structures and electronics enclosures.
Warehouse Robotics
Grippers, lifting hardware, conveyor interfaces and structural automation components.
Vision & Inspection Robots
Camera mounts, sensor brackets, calibration fixtures and stable positioning structures.
R&D Robotics
Fast-turn prototype parts for new mechanisms, actuators and experimental robotic architectures.
Robotics Manufacturing FAQ
Can Mockup help reduce the weight of robotic parts?+
Yes. Manufacturing review can compare material substitution, CNC pocketing, sheet metal structures and additive manufacturing while protecting stiffness and critical interfaces.
Can you manufacture complete robotic end effectors?+
Mockup can manufacture the custom mechanical components and coordinate hardware installation and mechanical assembly according to the project scope.
Which process is best for a robot joint housing?+
Complex joint housings often benefit from multi-axis CNC machining because bearing, motor and gearbox interfaces can be produced with fewer setups.
Can prototype parts use production materials?+
Yes. Functional prototypes can use production-intent aluminum, steel, stainless steel and engineering polymers so mechanical behavior is closer to the intended product.
How do you handle frequent robotics design revisions?+
Drawing revisions, manufacturing changes and inspection requirements can be carried forward as the design develops, helping reduce the need to restart the manufacturing process after every iteration.
Can you manufacture AMR and mobile robot chassis?+
Yes. Sheet metal fabrication, CNC machining, welding, finishing and assembly can be combined for mobile robot structures and related components.
Can Mockup inspect bearing and joint alignment?+
Yes. Bore position, shaft relationships, flatness, parallelism, concentricity and other critical joint features can be inspected according to drawing requirements.
ROBOTICS MANUFACTURING REVIEW
Request a robotics manufacturing review ↗Bring the Moving Assembly, Not Only Isolated Parts
The best manufacturing decisions often become clear only when the part is viewed inside the robot. Share your assembly CAD, critical interfaces, expected loads and production stage so materials, processes, weight, precision and assembly requirements can be reviewed together.