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LinkExchange SearchMe WhatWeDo AboutUs Sitemap Next page Onion topper models, designed and built by Eqraft
Toppers are machines that cut the stems from the onion bulbs. The machine is easily adjusted to leave the length of stem demanded by the market.
The "TOPPERS" are used to cut the stem of the onion to an exact measurement. In the majority of cases this is after mechanised harvesting. This is because the haulm toppers used in mechanised harvesting cut off the majority of foliage, but in an uneven manner. This leaves a fairly unappetising product.
Manual harvesting does not require a topper as the harvesters in the field cut the stems.
A closed topper.
An open topper.
For greater clarity, see the video at the bottom of this page.
The knives are easy to change.
The knives must be cleaned regularly. During use, the sugars from the onions form a hard layer on the grids and knives. Using a pre-cleaner before the topper reduces the need to sharpen the knives. The sharper the knives, the cleaner the cut.
The grids are easy to change.
When onions with thicker stems are cut, a different grid is used with more distance between the holes than those used for cutting finer onions. Each topper comes equipped with several grids. The grids must be cleaned regularly.
The inside of a topper with onions.
The yellow motors are the vibrators that move the onions.
The pre-cleaners have grids that vibrate (just like the grids inside the topper) where all of the unwanted foreign bodies like stones, clods and undersized produce are separated. All of the waste falls into the same transporter situated underneath the topper, which collects the topper waste as well.
For a better idea of what a topper does, watch the video
It is important to leave at least 3 centimetres of stem, so that the bulb doesn't open and dry out.
The video at the bottom of this page shows you exactly how these machines work.
To mechanise your post harvest processes:
+1 239 3002374
or use our (preferable)
our contact form
Address: Farm San Isidro, Volcán, Panama.