Is peeled outlet mass the same as usable yield?
No. Product at the machine outlet may still require inspection, trimming or another process before it meets your finished specification. A useful comparison states where the product was weighed, what was accepted and which starting mass was used. A percentage labelled only “yield” can hide those differences.
The definitions below are a reporting convention for a trial worksheet. They are not HELPER performance guarantees or universal industry acceptance limits. Use the same unit and clearly stated handling conditions at every weighing point.
Name three product boundaries
| Symbol | Defined weighing point | Record with the measurement |
|---|---|---|
| M0 | Incoming product at the agreed starting point | Included soil, moisture, prior sorting, lot identity and tare. |
| M1 | Product at the defined post-peeling outlet point | Surface-water handling, time of weighing and any steps already completed. |
| M2 | Accepted usable product after agreed inspection or trimming | Acceptance description, removed rejects, rework and later steps included. |
If incoming material has been washed or sorted first, state that explicitly. A pre-sorted starting mass is different from the mass of the original delivered lot. Do not compare their percentages as if the denominators were identical.
Surface water can affect measured mass. Record the handling method and timing consistently instead of borrowing a fixed draining time from an unrelated process. Separate the agreed trial method from the machine's supplied operating instructions.
Write the calculation beside the result
- Outlet mass yield on incoming basis = 100 × M1 / M0.
- Accepted usable yield on incoming basis = 100 × M2 / M0.
- Outlet-to-accepted mass change = M1 − M2.
- Usable output over the defined cycle = accepted usable mass / elapsed cycle time.
The last value requires a declared time boundary and consistent units. If kilograms are divided by hours, the result is kilograms per hour for that observed interval. Identify whether the interval includes loading, discharge, inspection, changeover or waiting. It is not automatically a rated continuous production capacity.
An illustrative example
Outlet mass yield is 86%; accepted usable yield is 80%. The 6 kg difference between outlet and accepted product belongs to the declared inspection or finishing boundary. It should not disappear from a comparison merely because the machine outlet looked satisfactory.
If the agreed complete cycle lasted 30 minutes, the observed usable output over that cycle would be 160 kg/h. That arithmetic does not establish an all-shift rate. Different loading, crop condition, inspection or changeovers may produce different results; keep the observed conditions with the number.
Does total mass loss measure flesh loss?
Not by itself. A net difference can include peel, attached soil, unwanted pieces, flesh, moisture changes and other changes within the chosen boundary. Calling all removed mass “flesh loss” would assign a composition that the weighing exercise has not measured.
If the amount of usable flesh removed matters, define an additional assessment with the responsible product team. Record how removed material was collected and assessed, and what the method can distinguish. A photograph or an undifferentiated waste weight is not a chemical or compositional measurement.
Compare the same finish and process route
KRONEN · PL 40K distinguishes washing and abrasive peeling inserts on a named machine; Vanmark · Selecting rolls for washing and peeling describes surface options for different duties. These original examples show why the evaluated operation belongs in the record. Neither provides a universal yield expectation for HELPER equipment.
The HELPER · Automatic potato peeling machine includes multiple preparation stages. When reviewing a line, identify the stage used as the outlet boundary and any subsequent sorting. Compare routes using the batch and continuous-line guide and plan the measurements with the multi-crop trial checklist.
Send raw masses, time boundaries, finish examples and the offered configuration with your enquiry through the HELPER peeler selection page. The useful question is whether the proposed route delivers your defined usable product under recorded conditions, rather than whether a generic brochure percentage is high.
Sources and application boundaries
Original publisher pages checked 7 October 2026. Catalogue declarations and other manufacturers’ examples are distinguished from HELPER-specific trial results.
- KRONEN · PL 40K
Named machine example of washing versus abrasive peeling inserts; not a HELPER option.
- Vanmark · Selecting rolls for washing and peeling
Roll surfaces and duties vary by crop on Vanmark equipment; not HELPER accessory specifications.
- HELPER · Automatic potato peeling machine
Potato-type roots and round/oval materials; only the relevant vegetable-line description is used.