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Elscint Automation

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Elscint Introduces a New Product - Heavy Duty Rotary / Centrifugal Feeders

Pune, India, June 26, 2019 --( When one talks about a Rotary / Centrifugal Feeder (motorised feeder), it conjures up the vision of feeding of light weight plastic parts like caps or drippers. Large and heavy metallic parts are rarely fed in a Rotary / Centrifugal Feeder. The main reason is that for feeding large parts, the size of the Rotary / Centrifugal Feeder has to be very big and secondly, the structure of the same too has to be pretty sturdy. It is rarely that manufacturers take up this challenge. However, Elscint has developed standard heavy duty models of Rotary / Centrifugal Feeders which take care of these points and hence can be used to feed large and heavy parts. Additionally, in the “double disc” design perfected by Elscint, there is no need for using air jets for orientation of the parts.

Coming to the advantages of Rotary Feeders vis a vis vibratory bowl feeders, the major one is the speed or feed rate. Rotary or Centrifugal Feeders work at very high speeds and one can achieve a total feed rate of upto 50 meters per minute as against just about 12 meters per minute in case of even high speed vibratory bowl feeders. Secondly, there being no vibrations and only mechanical items, rotary feeders are more acceptable to a lot of customers who are afraid of the reliability of vibratory bowl feeders in the long run (however, using a vibratory bowl feeder from a reliable supplier like Elscint can eliminate this inhibition). However, the major drawback of a Rotary or Centrifugal Feeder is that it is not possible to orient a lot of parts in it, especially due to the fact that there are no vibrations and the movement of the parts is very fast.

One major disadvantage of a Rotary feeder is that due to the positive pressure generated because of the rotating disc, the parts being fed are thrown against each other and against the wall of the feeder. This can result in damages to the parts. However, in the “double disc” Rotary / Centrifugal Feeder design developed by Elscint, even this possibility is avoided. Another disadvantage of a Rotary Feeder is that the number of components which are loaded in a Rotary or Centrifugal Feeder have to be limited to ensure there is no jamming or blockage. Hence, invariably a stock hopper or a hopper elevator is required in order to replenish the Rotary Feeder on a regular basis. This adds to the cost of a Rotary Feeder. To get over these problems, Elscint has developed sizes which are big enough for accommodating a large number of components.

Due to the unique “double disc” design of the Elscint Rotary / Centrifugal Feeders and further to the fact that there construction is very rugged and highly robust, there is no possibility of any jamming of parts and the life of the equipment too is exceptionally high.

The build quality too is excellent with all the parts touching the components being made in stainless steel. Elscint uses a dual drive for its Rotary Feeders. Three Phase AC Geared Motors of Elscint Make are used for this purpose. Standard units come with a Variable Frequency Drives so that variable speed is possible, which helps adjust the feeding speed according to the actual requirement of the user.

In fact, Elscint recently manufactured Rotary / Centrifugal feeders for bearing races and rings having diameters dia 20 mm to dia 90 mm and with widths from 15 mm to 50 mm. The parts required orientation as one part particular side had to be always up and thereafter the parts were taken forwarding in “rolling orientation.” By using a Rotary / Centrifugal Feeder, Elscint could achieve high speeds. Proper changeover tooling was provided to ensure that all these sizes were accomodated in the same feeders. Elscint used Model RF 100 & Model RF 120 for this purpose having diameters of dia 1200 mm and dia 1500 mm.

You can watch the video of the Elscint Model RF 100 Rotary Feeder as well as another one of the Elscint Model RF 120 Rotary Feeder and you can find further details about Elscint Rotary Feeders.
Contact Information
Elscint Automation
Monish Shete
W-191 Bhosari MIDC, Pune 411026. India

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