Approve samples
Identify format, revision, finish, source, batch and known natural variation.
Evidence before commitment
Centrifugal feeder component trials.
Use representative parts and agreed acceptance criteria to turn feeding assumptions into observable production evidence.
Trial objective
Prove the difficult conditions, not one successful pass.
A valuable centrifugal feeder trial covers bulk loading, repeated circulation, component variation, sustained output, normal stops and recovery at the planned discharge condition.
Define output
Show the accepted orientation, tolerance, spacing and point at which the rate is measured.
Run sustained
Test beyond a short demonstration with realistic bowl level and normal replenishment.
Challenge faults
Observe full track, low level, blocked outlet, stop, restart and abnormal component states.
Record evidence
Capture rate, interventions, observations and open actions for the final specification.
Your sample set
Send the parts production will actually run.
Perfect samples can conceal the behaviours that determine system reliability. Include normal production variation, multiple batches and every expected component format.
- Enough quantity for a filled system and sustained test
- All sizes, materials, colours and revisions
- Normal mould flash, oil, dust and surface condition
- Parts from more than one batch where possible
- Approved drawings and orientation photographs
- Known nonconforming samples clearly identified
Test record
What the trial should capture.
The record becomes the technical bridge between the initial concept, detailed design and factory acceptance test.
Accepted output
Correctly orientated parts per minute at the stated discharge point and test duration.
Orientation yield
How consistently tooling selects correct parts and recirculates rejected states.
Recirculation effect
Whether repeat handling creates marking, tangles, dust, static or component damage.
Buffer stability
Track fill, back pressure, gap recovery and response to downstream demand changes.
Interventions
Every manual adjustment, jam clearance or refill needed during the test period.
Open actions
Remaining design questions, owners and the evidence needed before final acceptance.
Define the accepted discharge condition
“Correct orientation” must be observable. Mark the face, axis, leading feature, positional tolerance and gap that the receiving machine can accept. If the feeder hands off to a nest or gripper, include interface drawings and product contact constraints.
Agree a sustainable rate test
The test should state duration, sample quantity, normal replenishment, downstream simulation and permitted interventions. A high instantaneous count is not equivalent to stable production delivery.
Use trial results to write FAT criteria
The factory acceptance test should reflect the agreed component set and production boundary. Typical checks include rate, orientation, full-track response, low-level alarms, stop/restart, sensor faults, guard opening, changeover and documented actions.
Protect sample traceability
Label every sample container with part number, revision, batch, material and source. Retain approved parts for build comparison and record any later component changes so tooling is not judged against an unknown sample.
Regulated or high-variation projects may need additional contact, cleaning, inspection and evidence controls. See the medical component feeder and automotive component feeder application guides.
A trial closes specific questions
Where information is missing, the right output is a clearly recorded open action—not an optimistic assumption hidden inside the quotation.
Component trial FAQ
Prepare evidence that supports a decision.
How many samples are needed for a feeder trial?
The quantity must fill the working system, support recirculation and allow a sustained rate test with normal replenishment. The exact quantity depends on part size, bulk density, hopper capacity and test duration.
Should all component variants be included?
Yes. Include every size, material, colour, revision, mould cavity or supplier source expected in production. If one format is unavailable, that limitation should remain open rather than being assumed away.
What does a centrifugal feeder FAT include?
The agreed factory acceptance test may cover sustained accepted output, orientation, replenishment, full-track response, low-level recovery, blocked outlet, alarms, guarding, changeover and outstanding actions.
Can a few hand-picked parts prove the system?
No. A small quantity can reveal basic geometry but cannot demonstrate bulk behaviour, circulation, natural variation, buffer stability or sustained production output.
Technical guide reviewed by Sortation Solutions · Updated 1 September 2026
Record output through a complete replenishment cycle
A sustained centrifugal feeder trial becomes more informative when its output is recorded over time. One average rate can conceal repeated shortfalls followed by bursts of recovery. Ask for accepted parts to be counted in consistent time intervals while the feeder passes through normal depletion and replenishment, with the receiving-machine demand represented.
Annotate the record when fresh parts are added, the output track becomes full, or an intervention occurs. Keep the accepted-part count separate from parts that circulate or are rejected by orientation tooling. This makes it easier to see whether a promising headline rate depends on a narrow loading condition or whether the feed remains useful across the intended operating window.
Use the same record to compare component variants. A lighter format may behave differently from a visually similar heavier one, so a pooled average should not stand in for a result for each required format. The trial should finish with a stated operating range and any unresolved conditions. Share typical refill quantities and the receiving-machine cycle when arranging the test; those details determine which variation matters to production.
Why record feeder rate in intervals instead of one average?
Intervals expose short starvation periods and recovery bursts that can be hidden inside a satisfactory overall average.
Should replenishment be included in a centrifugal feeder trial?
Yes when it is part of normal operation. Record the accepted output before, during and after replenishment under agreed conditions.
Review sustained high-speed parts feeding Define the centrifugal feeder specification
What should be agreed before a centrifugal-feeder trial?
Define the component, orientation and delivery requirement, then provide samples that represent production variation. Ask the trial to record consistent presentation and component condition at discharge. Include replenishment and downstream pauses so the assessment covers the operating pattern and interface, not only an uninterrupted sample run.
- Production-representative samples
- Orientation and component condition
- Replenishment and downstream pauses
Related guidance: medical component feeder · automotive component feeder