Dearborn Mid-West Company

Skillet Systems


Overview

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DMW's Skillet systems are the answer to conveying applications requiring high productivity rates, high reliability, high flexibility, and excellent ergonomics. A skillet system consists of individual skillets or steel pallets that are "pushed" by friction drives at the beginning of the assembly line. Each skillet serves as a moving work platform. The product is supported on a scissors lift table or fixed perch points, which are integral parts of the moving skillet. The adjustable height of the scissors lift table allows the operator to set the table at the most suitable and ergonomically correct height. The moving skillet reduces the operator's walking distance and all required assembly work is accomplished without stopping the conveying line. This, combined with reduced operator fatigue, results in increased production efficiency.

Skillet System – Hydraulic Lift / Insertion Station


Skillet System Selection

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Skillet system applications are highly recommended for Trim and Chassis line operations. The large skillet size and integrated scissors lift provide 360 degree access for assembly operation of the product. The drive system is clean, efficient, and eliminates the need for heavy duty conveyor chain, thereby reducing the Plant's maintenance and chain replacement costs.

Skillet System – Main Drives (Variable Frequency)


Typical Skillet Systems Specifications

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Skillet Width 10'-0" (3.05 m)
Skillet Length 20'-0" (6.10 m)
Product (load) Weight 2000 - 3000 lbs. (909 - 1364 kg)
System Max. Speed 25 FPM (7.62 m/min.)
Production Rate 60 - 70 J.P.H.
Scissors Lift Range 0"- 48" (0-1.22 m)

Manufacturing and Production Flexibility

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DMW's Skillet system provides new model build flexibility without major modifications or extended production downtime of the existing line. Variable frequency drives enable a range of system speeds to choose from. Work height or scissors lift table height will automatically set to pre-programmed elevation change points along the production lines.

Chassis Trim Skillet (Raised)


Reliability and Maintainability

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All components of the Skillet system are designed and selected using proper safety factors which makes the system reliable & durable. The absence of standard chains and trolleys makes skillets easier to maintain through reduced lubrication requirements.


Protecting Product Quality

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Specially designed perches are installed on the scissors lift table to ensure that the product is mounted in a stable fashion on the skillet. Also, the smooth operation of the skillet ensures that product is always stable when the conveyor is in motion.

Skillet System – Aisle Cross Transfer (Powered Roll)


Operator Safety Issues

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Skillets provide a safe and ergonomic working environment to the production operators. Scissors lift tables are designed and equipped with safety mechanisms such as anti-collapse cylinders, brakes on the gearmotors, limit switches, etc. In addition, the scissors lift tables are draped with a shroud which prevents the operator from coming in contact with the moving parts. Also, skillet drives are well-guarded through conventional safety methods such as safety cages, light screens, etc.

Skillet System – Aisle Cross Transfer (CC-5)


Equipment Cost Considerations

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Skillet systems are extremely flexible, quiet, clean, efficient, and easy to maintain. These features make them the ideal material handling choice for assembly lines of the future. The higher initial cost is more than offset by the production flexibility, and ergonomic benefits that are inherent in Skillet systems. Model changeovers are achieved with minimal disruption and rework to the system and reduce production downtime of the existing line.

Skillet System – Aisle Cross Transfer (CC-5)