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26 August, 2010

Polyamide Bowls

A few bowl feeder manufacturers in Europe have started using Polyamide bowls. These types of bowls have certain advantages like machining ease and repeatability but the disadvantages are the size (small) and type (conical). Step design bowls, which provide a lot of tooling flexibility, convenience and high loading volumes are not possible in case of polyamide bowls. Secondly, these bowls need to be machined on five axis CNC machines, making them costly to manufacture. However, in case the same bowl needs to be manufactured again, it is much easy to pull out the machining program and machine the bowl in the same way. However, some tooling needs to be hand made, which increases the labour content. Another advantage of polyamide bowls is that coating is not required as the bowl is not made of metal; the noise in case of metallic parts is less. Likewise, a disadvantage is that one cannot use oily parts on polyamide bowls as these bowls are smooth and the oily parts tend to slip and feeding is not proper. Hence, does it make sense to go for polyamide bowls? The answer is that only in case the parts are small and flat and many numbers of the same type of bowl are required.

Monish Shet

Monish Shete is CEO of Elscint Automation, a 30 year old firm manufacturing vibratory bowl feeders and similar small part handing products. He personally has more than 25 years experience with last 15 years being with Elscint. This blog will help customers and laymen understand the intricacies of vibratory bowl feeders. One can find information about the finer aspects of vibratory bowl feeders which cannot be found anywhere else. Case studies and information about various innovative ways of feeding and orienting of different parts are given in this blog.


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