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Elscint - BLOG Area | Everything about vibratory bowl feeders

Innovative Usage of Vibratory Bowl feeder -Vibratory bowl feeder for feeding of various screws to Eddy Current Testing Machine

by Monish Shete 14. July 2016 08:45

Elscint recently completed an assignment wherein the requirement was to feed various types of screws for testing to an Eddy Current Testing Machine. There were various sizes of screws right from M4 x 20 mm length to M16 x 120 mm length. A single bowl feeder was required for the same. Elscint used its Model 630 with a bowl diameter of approximately 1050 mm. This ensured that even the biggest part of M16 x 120 mm length was fed as well the storage too was enough in the bowl. Further, a linear vibrator was provided with adjustable tooling which again ensured that all these parts were fed properly. Ahead of the linear vibrator, a pneumatic singulator was placed which released one screw at a time on receipt of a signal from the Eddy Current Testing Machine. To make changeover easy, Elscint provided separate tooling fixtures for each of the screws with separate pneumatic cylinders. The changeover was on just 4 screws, making it very easy for the operator. Additionally, a stand with height adjustment was provided to ensure adjustment from 700 mm to 1100 mm to match the input height of the Eddy Current Testing Machine. The bowl was coated with Elscinthane PU coating for reduction in noise level as well as better performance. 

Innovative Usage of Vibratory Bowl feeder - Vibratory bowl feeder for feeding 4 types of metal parts in 4 rows

by Monish Shete 1. July 2016 11:07

Elscint recently completed an assignment wherein the requirement was to feed 4 types of metal parts with the head forward and threading trailing in 4 rows. The parts were having diameter 11.5 mm and the ht. varied between 30 mm to 40 mm. The profile of all the 4 components was also different. As 4 rows were required, overflow was required in each of the 4 rows to ensure that there is no jamming once the outlet tracks are full. However, Elscint provided a sensor on the slowest row so that once it was full, the bowl feeder could be stopped, ensuring lesser noise and savings on power. Elscint used its Model 400 vibratory bowl feeder with a bowl diameter of approximately 800 mm for this purpose as 4 outlets were required and plus space was required for overflow of each of the tracks. A speed of 25 to 35 parts per minute per row was achieved as against the required speed of 12 parts per minute. The bowl used was stainless steel and coated with brown Elscinthane PU coating for reduction in noise level as also to ensure better performance of the same.

 

 

Feeding of Rings in rolling Orientation with Escapement

by Monish Shete 22. June 2016 09:31

Elscint recently completed an order wherein there was a requirement to feed metal rings having dia 24 mm x 10 mm ht upto 52 mm x 12 mm ht. in rolling orientation. The complete scope consisted of a vibratory bowl feeder for feeding and orienting the rings, a metallic noise enclosure lined with acoustic foam for reduction in noise level, gravity chute with a pneumatic escapement for single component singulation with the accompanying controls and a stand to mount all these. Elscint completed this in a record time and supplied the same to its customer. Further, a cast aluminium bowl, coated with red colour polyurethane was used for this purpose. This ensured that the noise level was less, the noise enclosure further reduced the noise level to below 70 Db. Elscint also arranged for commissioning of the equipment at the customer’s factory in Bangalore.

 

 

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Supply of Vibrator Drives to Spain

by Monish Shete 15. June 2016 10:30

Elscint recently supplied 10 vibrator Drives (Model 250) along with a few linear vibrators to Spain to a Spanish Vibratory Bowl Feeder manufacturer. Earlier, the manufacturer was making its own drives. However, a couple of months back, Elscint supplied one vibrator to him for testing and approval. The manufacturer was very happy with the quality and performance of Elscint drives and immediately ordered the first set of 10 drives to Elscint. These were sent by sea freight, freight pre-paid. The Spanish customer plans to keep these in stock, use them for their own bowls as well as supply the same all over Europe to other bowl feeder toolers. Elscint vibrators are not only having CE Marking but also compatible with respect to the base mounting as well as bowl mountings to major European makes. The performance too is comparable, if not superior to European makes. Finally they are very competitively priced to make them attractive to European bowl toolers. Further, Elscint provides springs free of cost with each supply for the first tuning purpose. As against this, European manufacturers charge for spare springs. In a similar fashion, Elscint can also supply untooled bowls too.

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Innovative Usage of Vibratory Bowl feeder - Feeding system for Carbide drill bits for Centreless Grinding

by Monish Shete 2. June 2016 06:20

Elscint recently completed an assignment wherein the requirement was to feed 2 types of components of various dimensions. The parts being carbide inserts, which, though small were very heavy. They required orientation was axial with the dome shape to be forward. The parts being heavy, Elscint suggested Model 250 which has a load carrying capacity of 30 kgs with a cast aluminium bowl with stainless steel tooling. The cast al bowl was coated with Elscinthane bowl coating to ensure smooth operation even in the case oil or coolant was present. It also reduced the noise level resulting due to the touching of the metallic bowl to the metal parts but also with respect to the metal to metal contact between the components themselves. Hence, a rough texture was given for the coating. Elscint also provided a linear vibrator with tubes to accommodate different sizes of components for further feeding to the centreless grinding machine. This provided a constant pressure and push to the parts when they entered the grinding machine. A stand with 100 mm plus and minus height adjustment was provided to ensure ease of operation with integration with the grinding machine of the supplier. 

Innovative Usage of Vibratory Bowl feeders - Feeding & Inserting of Plastic Filter into Regulator Housing

by Monish Shete 24. May 2016 06:14

Elscint recently supplied an integrated a vibratory bowl feeder for feeding of a small dia 12 mm x 3 mm plastic filter. The requirement was to first orient and feed the plastic filter through a vibratory bowl feeder, then singulate the same and push it into the Regulator Housing of the customer. The regulator housing was to be kept on an indexing table manually by the operator. Elscint’s scope was upto the insertion into the regulator housing. The insertion was to be 40 mm inside the housing, making it difficult as this had to be done during the indexing mechanism. Elscint used a small vibratory bowl feeder of approximately 200 mm in diameter (Model 160 with a cylindrical bowl) for this purpose. The filters were oriented in “rolling” orientation and taken vertically down where they were singulated with a cylinder. Then another cylinder having a 120 mm long stroke with guide rods was provided to push the filter into the Regulator housing. The cylinder time was 2 seconds per component and this was easily achieved. Elscint completed the equipment and its service engineer installed and commissioned the same at the customer’s factory in the South of India within record time. You can watch the video of the equipment.

Innovative Usage of Vibratory Bowl Feeders – Feeding ofr Coffee Cups

by Monish Shete 14. May 2016 11:53

Elscint  recently manufactured a bowl feeder for orientating and feeding of two types of coffee cup. One was having a diameter of 37 mm x 24 mm ht with a small flange. The other cup was slightly smaller in size. The requirement was to feed the cups in rolling orientation. Speed required was 100 parts per minute. Elscint used a stainless steel step design bowl, mounted on Model 400 for this application. The cups used to come in any direction. However, Elscint turned most of the cups and used 90% of the cups coming up. Hence, the speed achieved was more than 150 cups per minute. The cups were oriented in “Flange up” orientation in the bowl and further twisted to make them “rolling”. Then they were carried further in a vertical gravity chute. 600 mm before the end of the vertical chute, the cups were singulated using the patented Elscint Escapement mechanism with a Festo make ADN series double acting cylinder. This ensured that only one cup was released at a time, on receipt of a signal from the customer’s end. Elscint provided the complete system including F/R/L, solenoid etc. making integration with the customer’s machine very easy and fast. You can watch the video of the equipment.

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Innovative Usage of Vibratory Bowl Feeders - Orienting, Feeding & Blow Feed of Shoe Holder Pin

by Monish Shete 4. May 2016 08:56

Elscint recently supplied a vibratory bowl feeder for feeding of Shoe Holder Pin in two outlets. The pins were having dia 8 mm one side and dia 4 mm on the other side with the middle pin being dia 2 mm. The length of the pin was 30 mm. The requirement was to blow feed the pin with the bigger diameter forward in two outlets. Elscint used Model 250 with cast aluminium bowl having two outlets for this purpose. The pins were then oriented with the bigger diameter side on top and taken forward onto a linear vibrator, namely Model Elscint III. Thereafter, a fixture was designed to push the two pins with a single cylinder by 20 mm on one side and the pins were then blown up with air jets into flexible tubes to be used by the customer at two separate places. Elscint provided a complete solution with pneumatics and other elements so that the customer could give just a 24 V DC signal to activate the blow feed. 

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Innovative Usage of Vibratory Bowl Feeders - Feeding of O Ring flat on a linear vibrating track

by Monish Shete 24. April 2016 12:12

Elscint recently supplied a vibratory bowl feeder for feeding of O Rings flat on a linear vibrating track, one behind the other. The size of the O Rings was dia 15 x 3 mm Elscint used a stainless steel conical bowl for the same. Model 160 was used for this purpose. Linear Vibrator Model Elscint III with a 300 mm long track was used to get the parts straight ahead for pick up by the customer.

 

 

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Innovative Usage of Vibratory Bowl Feeders - Feeding of O Ring vertically

by Monish Shete 16. April 2016 08:30

Elscint recently supplied a vibratory bowl feeder for feeding of O Rings in vertical orientation. The size of the O Ring was dia 18 x 1 mm thk. Elscint used a stainless steel conical bowl for the same. Ahead of the bowl, a gravity chute was provided to get the parts straight forward in rolling orientation upto a distance of 220 mm from the bowl periphery (as required by the customer). Thereafter, the oil seals flowed vertically down, perpendicular to its previous path. The chute was 150 mm down from the bowl feeder mounting plate.

 

 

 

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About the author

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.