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Sign inDelta robots
Parallel-link architecture for pick-and-place operations.
Define your requirements
- Specify the pick area, product presentation and conveyor integration.
Describe product presentation and tracking
Start with how items arrive in the pick area and where they must be placed. Record whether products arrive in fixed pockets or changing positions. The usable workspace and timing must be checked with the selected gripper and line arrangement.
Questions to resolve before shortlisting
- What are the pick area dimensions and placement positions?
- Are products stationary, indexed or continuously moving?
- Which product shapes and orientations must the vision system distinguish?
- What are the reject strategy and the response when a pick is missed?
What to send with your sourcing brief
Share product samples, conveyor drawings and the required throughput with its measurement conditions. Request a representative picking demonstration rather than relying on an unrelated maximum-speed claim.
Platform procurement checklist. Confirm the equipment and integration requirements with the supplier.
Buyer decision notes
Specify the pick zone, tracking and product presentation
A delta-robot brief should describe the incoming items and outgoing placement pattern before quoting a picks-per-minute target. Random orientation, fragile products and moving conveyors create different proposal requirements from fixed pockets. Check the useful working envelope with the actual tool and the definitions used in the manufacturer drawing.
Prepared by RobotLineup Editorial · Analysis updated . Platform analysis, not an independent equipment test.
Compare proposals on the same basis
Ask each bidder to answer these items against the same drawings, parts and operating sequence. An unanswered item is a comparison gap, not a passed requirement.
| Decision | Evidence to request | Avoid this assumption |
|---|---|---|
| Working envelope | A drawing with the pick zone, placement zone, vertical travel and the definition of reach. | Every robot uses the same radius or diameter convention. |
| Product recognition | Samples covering the stated size and orientation range, including difficult or overlapping presentations. | A vision demonstration on one sample covers every SKU. |
| Tracking sequence | Conveyor motion, detection timing, item identification and the response to a missed pick. | Conveyor speed alone establishes achievable throughput. |
| Gripper behaviour | A representative pickup and release trial with the actual contact surfaces. | A fast mechanism guarantees undamaged product handling. |
Use successful placements as the comparison unit
Define what constitutes a complete successful cycle: identifying an eligible item, picking it, placing it correctly and handling a failed attempt. A headline motion rate should not be substituted for accepted packed output. Ask how the system behaves when the incoming product spacing changes or a camera cannot classify an item.
Match workspace definitions before comparing machines. NIST highlights that delta reach may be expressed as a working-range diameter, unlike the radius convention often used for other architectures. Verify the actual drawing for the proposed model rather than converting an ambiguous catalog number.
Worked sourcing brief
Illustrative procurement exercise. Assumptions below are invented for explanation; this is not a customer case, trial result or quotation.
Assume two packaging formats share a conveyor: one arrives in fixed pockets and the other at variable spacing. A fixed pickup demonstration only addresses the first. Prepare separate sample presentations and require bidders to document tracking, missed items and correct placements for both formats. The exercise supplies a trial plan, not a throughput prediction.
What to record before acceptance
Agree the test method, responsibilities and pass conditions before ordering. The items below are records to request, not a completed validation.
- Record product samples, presentation range, tool and conveyor conditions used in the trial.
- Report accepted placements and missed or rejected items using an agreed observation period.
- Save the placement-pattern and format-change demonstration with its setup conditions.
Common buyer questions
Is a delta always the best packaging robot?
Architecture alone cannot decide the application. Compare product presentation, tool, placement geometry and complete line timing.
Why does the reach drawing matter?
The numerical convention and usable envelope must match the task. Ask the supplier to identify the relevant drawing and tool clearance.