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Used SCARA Robots for Sale 5

SCARA robots (Selective Compliance Articulated Robot Arm) use a horizontal articulated arm configuration combining speed with precise repeatability for pick-and-place, assembly, packaging, and material handling applications. The geometry — two horizontal rotational joints with a vertical Z-axis — suits planar applications where the workpiece moves primarily in horizontal plane with vertical insertion or pick-and-place. The selective compliance characteristic — flexibility in horizontal plane combined with rigidity in vertical direction — particularly suits assembly insertion applications.

Used SCARA robots on Exapro narrow the broader robot category for SCARA-specific configurations, distinct from articulated 6-axis robots, delta robots, and palletizing robots. Filter by payload class, reach, manufacturer, and controller generation. Submit an enquiry through the listing page on Exapro.

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SCARA architecture and applications

SCARA robot architecture matches specific application requirements that 6-axis articulated robots cannot address as efficiently. The horizontal articulated arm with vertical Z-axis provides compliance in the horizontal plane (allowing slight position errors during assembly insertion) combined with rigidity in the vertical direction (resisting vertical insertion forces). This selective compliance — the namesake characteristic — particularly suits assembly insertion applications.

Electronics assembly represents the dominant SCARA application globally. Component insertion into PCBs, screw-driving operations, dispensing applications, and similar assembly operations match SCARA capability. The compact arm footprint fits in dense electronics assembly cells where 6-axis robots could not physically operate.

Pick-and-place applications use SCARA speed and precision for transferring components, parts, or products at production rates that match assembly line throughput. Conveyor pickup with vision tracking, fixed-position pickup, and packaging insertion all suit SCARA capability.

Packaging applications use SCARA robots for case packing, tray loading, and similar secondary packaging where the vertical pick-and-place motion suits the typical packaging task geometry.

Dispensing applications include adhesive dispensing, sealant application, lubricant placement, and similar precision liquid or paste deposition operations. The SCARA's vertical Z-axis provides natural dispensing motion with horizontal positioning by the articulated arm.

Performance specifications

SCARA robots provide cycle times of 0.3-0.8 seconds on standard pick-and-place patterns — substantially faster than equivalent 6-axis robots and matching application throughput requirements for high-volume electronics assembly and packaging operations.

Repeatability of ±0.01-0.02mm at the tool tip enables precision assembly applications. The combination of speed and precision distinguishes SCARA from alternative robot configurations for specific assembly applications.

Payload classes range from sub-1 kg compact SCARAs through 20 kg heavy-duty configurations. Reach varies from 200mm compact units to 1200mm long-reach configurations. Specific application requirements determine the payload-and-reach combination needed.

Cleanroom-compatible SCARA robots address pharmaceutical, semiconductor, and precision optical applications where contamination control is essential. Cleanroom configurations include sealed joints, low-particle generation surface treatments, and material compatibility for cleanroom cleaning protocols.

Programming and controllers

Programming and control systems vary by manufacturer. Each SCARA robot manufacturer has proprietary programming environments — Epson uses RC+, Yamaha uses YRC, Denso uses Wincaps, Mitsubishi uses RT ToolBox. Programming environment compatibility with existing operations affects integration complexity for buyers using multiple robot brands.

Vision system integration is common — modern SCARA robots include integrated vision capability for part identification, position verification, and quality inspection. Vision-guided pick-and-place from random part presentations dominates many modern SCARA applications.

Major manufacturers

Leading SCARA manufacturers and their key platforms include Epson (T-series and G-series, particularly dominant in electronics assembly), Yamaha (YK-series), Mitsubishi (RH-series), Denso (HSR and HS series), Stäubli (TS series, premium positioning), Adept (now Omron, the i4-series), Toshiba, and Panasonic. Used Epson and Yamaha SCARA robots particularly serve electronics assembly markets globally with strong service support availability.

Browse used SCARA robots on Exapro to compare configurations across manufacturers, payload classes, and reach ranges from verified sellers worldwide. When evaluating used SCARA robots, verify axis repeatability through measurement at the tool tip, check controller generation and software version compatibility, inspect cable harness condition through the arm articulation, test cleanroom features if applicable, confirm vision system function if equipped, and verify that payload, reach, and manufacturer match your assembly cell requirements and existing automation infrastructure.