Long components
Pins, bolts, shafts and parts that can tangle in circular bowls.
Gentle component elevation
Step feeders for reliable part presentation.
Low-level bulk feeding systems that lift components in controlled steps before orienting and transferring them to the downstream process.
- Sample-led design
- Defined orientation
- Sustained output
- Integrated hand-off
How it works
What is a step feeder?
A step feeder uses reciprocating lifting plates to raise parts from a low bulk hopper. Parts are progressively presented to a linear track or orienting section, making the principle attractive for applications that need gentle movement, lower loading height or reduced bowl vibration.
System overview
Designed around the real production condition.
Step feeders are commonly integrated with a bulk hopper, lift mechanism, linear track, orientation tooling, accumulation, escapement and controls. The complete arrangement can be enclosed and mounted on a common frame.
- Low operator loading level and useful bulk storage
- Controlled lifting action for suitable long, heavy or cosmetic components
- Linear orientation and recirculation engineered around the part
- Can form the primary feeder or replenish another presentation device
Where it fits
Applications that merit assessment.
Heavier parts
Components where a robust lifting and transfer path is beneficial.
Noise-sensitive areas
Applications seeking to minimise the characteristic sound of bowl vibration.
Engineering decisions
Performance is determined at the interfaces.
The following issues are reviewed before the final tooling and controls are fixed.
Lift geometry
Step width, stroke and product bed depth must suit the component envelope.
Return path
Parts that do not enter the track correctly need safe, controlled recirculation.
Orientation section
The steps elevate; additional rails, tooling or vision may complete orientation.
Project definition
Information we need for an accurate proposal.
Drawings help, but representative production parts and the required hand-off condition are usually decisive.
| Part envelope | Maximum and minimum dimensions, weight, centre of gravity and entanglement features. |
|---|---|
| Loading | Operator or upstream supply method, preferred load height and batch size. |
| Output condition | Required orientation, lane quantity, pitch and discharge height. |
| Rate | Required sustained output and allowable accumulation. |
| Environment | Noise target, contact materials, cleanability and access constraints. |
| Controls | Level detection, drive control, track-full logic and machine interface. |
Acceptance planning
Agree the test criteria before manufacture.
Agree the component set, sustained accepted output, test duration, normal interventions, orientation criteria, surface quality and downstream interface. This converts a demonstration into an acceptance test.
Common questions
Step feeders questions.
What parts are suited to a step feeder?
Step feeders are often evaluated for longer, heavier or easily tangled parts, but suitability depends on how the component lifts, settles and enters the orientation track.
Is a step feeder always quieter than a vibratory bowl?
The lifting principle can reduce bowl-related noise, but overall sound depends on part-to-part contact, frame design, covers and the required output rate.
Can a step feeder orient parts by itself?
The steps primarily meter and elevate. Rails, gravity, mechanical tooling, sensors or vision are typically used to establish the final orientation.
Can the loading height be kept low?
Yes. A key benefit is that the bulk hopper can be placed at a practical operator height while components are elevated internally.
Can it handle several lengths?
Potentially, where the step and track geometry accommodate the range. Change parts or adjustable guides may be needed and should be proven by trial.
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