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6 December, 2015

Innovative Usage of Vibratory Feeders – Elscint Four Headed Automatic Tapping Machine for M5 Tapping

Elscint Automation, the leading vibratory parts feeder manufacturer from India recently completed an order for a four headed Automatic Tapping Machine. The part to be tapped was electrical cable clamp. The tapping required was M5 and tapping depth was 1.5 mm. The customer requirement was for tapping at a very high speed. Hence Elscint recommended a 4 headed tapping head. Elscint used a cast aluminium bowl with tooling made in stainless steel with 4 outlets for feeding to the tapping head. Gravity chutes with escapements / singulators for each of the chutes were provided.

At the tapping station, tapping took place with the help of a specially designed four head spindle tapping attachment. The components were stopped with an (patented) Elscint pneumatic escapement while the tapping took place. After tapping, the tapped components were released / unloaded to fall into a bin. The bin had a provision for recirculation of the coolant / oil to be used for tapping along with a coolant tray. The machine had a PLC and a HMI for easy operator interface. The machine had option of running a coolant or tapping oil. Recirculation of the oil / coolant was also provided for. Sensors were used to check the possibility of tap breakage as well as for providing indication to the operator that the components in the bowl feeder were empty. The complete machine was enclosed in a dust free polycarbonate cover. A speed of 60 parts per minute was achieved. You can watch the video of this tapping machine.

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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