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Twin-Belt Conveyor Helps Detroit Auto Manufacturer Deal with Gummy, Stringy Chips

The manufacturer solved a conveyor jamming problem by switching to Jorgensen's patent pending MunchMan® II -- a hinged twin- belt conveyor designed to handle heavy chip loads, long stringy chips and balls of chips.

A major tier one parts supplier to the automotive industry operates many automated twin spindle CNC turning machines at its metro Detroit plant. The material the company is turning creates a very gummy, stringy entangled nest of chips. The conveyors were jamming and failing to remove these large balls of chips. Damage to the conveyors was occurring and at least one conveyor incurred a downtime daily that lasted an entire eight hour shift.

The custom engineered MunchMan® II hinged steel belt conveyor employs a unique stacked conveyor arrangement at the lower curve and through the incline and chip discharge of the system.

 

 

 

 

After researching their problem online, their maintenance manager found a Jorgensen Conveyor YouTube video about the Munchman II Conveyor and made a few phone calls.

Engineers from Jorgensen Conveyors visited them in person and took measurements of the part samples, measured the machines for conveyor fit up and assessed the type of material causing all the issues, which was a Mild Steel.

Given the Munchman II's features, officials at Jorgensen were confident it would solve their issues. MunchMan II employs two conveyor belts through the lower curve, incline and discharge sections of the conveyor. This enables successful removal of the large stringy balls of chips that had been jamming the old single belt conveyors on these turning machines.

As chips go through the transition at the lower curve, they are literally sucked in and pinched between the two moving belts through the incline and discharge area.

 

 

The conveyor also incorporates Jorgensen's patented UVS-EcoLogic® Control which provides constant load monitoring to protect conveyor motor and drive train components from damage in a "conveyor jam" condition where excessive torque on the conveyor may occur. The control also features an automatic jam-clearing sequence of conveyor operation for increased uptime.

Kaytlen Rinaldi, Lead Engineer at Jorgensen Conveyors said, "We worked closely with the customer and machine tool builders to ensure proper electrical interfacing. They requested our UVS Jam Manager functionality, and also wanted our UVS to communicate with the main machine control.

"For this application we removed the inverted 'V' cleats on the upper belt to make sure the conveyor could pass a machined part through in case it accidentally falls onto the conveyor," said Rinaldi.

The MunchMan® II conveyor is ideally suited for oil & energy, automotive, aerospace and other high production/high metal removal rate applications where stringy chips can be typical.

 

 

After a successful installation and run-off, the company decided to put MunchMan II on all their existing machines and advised their machine tool suppliers that they wanted it on any new machines they order going forward.

"We were able to understand the needs of the customer, and by working together we were able to provide a solution that will benefit them in the long run. I would consider this one of the reasons why this project was successful," added Rinaldi.

The maintenance manager for the Detroit manufacturer has been especially pleased with the results: "We've never had a Munchman II jam up or cause a downtime that was the fault of the conveyor itself. We currently have 20 in-house and have 6 more on order. When we've added Munchman II onto all our machines, we'll have over 50 total. So to say we're satisfied is an understatement."

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