I. Articulated Robots
Structure: Multiple rotary joints (typically 6 axes), resembling a human arm.
Characteristics: High flexibility, large workspace, ability to reach around obstacles.
Applicable Machines/Machinery:
Welding Machines: Spot welding, arc welding cells.
Painting Booths: Automated spray painting systems.
Machine Tools: CNC machine tending for milling, turning centers.
Assembly Lines: Complex assembly stations (e.g., automotive final assembly).
II. SCARA Robots
Structure: Two parallel rotary joints + one linear Z-axis.
Characteristics: High speed, rigid in vertical direction, compact footprint.
Applicable Machines/Machinery:
Pick-and-Place Machines: High-speed placement in packaging, electronics assembly.
Screw Driving Machines: Automated fastening stations.
Dispensing Machines: Adhesive, sealant, or solder paste application.
Assembly Workstations: Small parts assembly (e.g., electronics, appliances).
III. Delta / Parallel Robots
Structure: Three or four arms connected to a common base and moving platform via parallelograms.
Characteristics: Extremely high speed and acceleration, lightweight.
Applicable Machines/Machinery:
High-Speed Packaging Lines: Primary and secondary packaging machines.
Sorting Systems: Conveyor-based sorting lines.
Pharmaceutical Machines: Blister packaging, vial filling lines.
Food Processing Equipment: Bakery, confectionery handling systems.
IV. Cartesian / Gantry Robots
Structure: Three linear axes (X, Y, Z) arranged perpendicularly.
Characteristics: Rigid, high accuracy, large workspace, simple control.
Applicable Machines/Machinery:
CNC Machine Tools: Loading/unloading parts.
3D Printers: Additive manufacturing systems.
Pick-and-Place Machines: Large-format material handling.
Inspection Systems: Coordinate Measuring Machines.
Dispensing Systems: Large-area adhesive application.
V. Collaborative Robots
Structure: Often based on articulated design with built-in safety features.
Characteristics: Safe for human interaction, easy programming, no fencing required.
Applicable Machines/Machinery:
Assembly Benches: Human-robot collaborative assembly.
Machine Tending: Small machine tools, injection molding machines.
Laboratory Equipment: Automated lab analysis systems.
Quality Inspection Stations: Vision inspection cells.
VI. Cylindrical Robots
Structure: One rotary base + one linear vertical + one linear radial axis.
Characteristics: Simple design, good for confined spaces.
Applicable Machines/Machinery:
Die Casting Machines: Part extraction.
Injection Molding Machines: Part removal.
Assembly Stations: Simple pick-and-place tasks.
VII. Spherical / Polar Robots
Structure: One rotary base, one pivot shoulder, one linear radial arm.
Characteristics: Large spherical workspace (now largely replaced by articulated robots).
Applicable Machines/Machinery:
Historical Applications: Welding, machine tending in older installations.
Summary Table: Robot Types and Typical Applications
| Robot Type | Best Suited For | Common Partner Machines |
|---|---|---|
| Articulated | Complex, large workspace tasks | Welders, painters, machine tools |
| SCARA | Fast planar assembly | Pick-and-place, screwdrivers, dispensers |
| Delta | Ultra-high-speed picking | Packaging lines, sorters |
| Cartesian | Large, rigid, high-accuracy tasks | CNC, 3D printers, CMM |
| Cobot | Human-shared workspaces | Benches, lab equipment, small machines |
