Glossary

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L

Labor rate

The hourly rate that is paid to any workers for a specific task in the manufacturing process, such as setup, machine operation, or post-processing. The labor rate does not include any costs associated with material, equipment, or overhead. If the number of workers is not specified, the labor rate is the amount paid to all workers for an hour.

Labor rate per pound

The rate that is paid to any workers for a specific task based on the weight of material processed during that task. This rate does not include any costs associated with material, equipment, or overhead. If the number of workers is not specified, the labor rate is the amount paid to all workers.

Labor usage

The percentage of time for a task, such as the setup time or production time, where workers are paid at the specified labor rate. A manual labor task will have a usage of 100%, while a partially automated tasks will have a lower labor usage.

Layer thickness

In additive fabrication processes, a part is built by adding layers of material upon one another. The part accuracy and surface finish improve with a smaller layer thickness. The minimum layer thickness is dependent upon the specific process and equipment being used.

Lead time

Lead time is the total time required to manufacture an order of parts, from the time the order is received until the parts are shipped. The lead time depends on several factors including the design and manufacturing time of any required tooling, the equipment setup time, and the production rate of the process. Processes with minimal setup and standard tooling can have lead times of only a few hours, while more complex processes may require several months.

Linear Low Density Polyethylene (LLDPE)

A plastic predominantly used for film applications because of its toughness, flexibility and relative transparency. Typical products include grocery bags, garbage bags and landfill liners.

Liquid containers

Containers, typically cylindrical, that are used for storing liquids. (Includes: basins, beakers, bottles, bowls, buckets, cans, containers, cups, flasks, jars, jugs, mugs, pails, pitchers, pots, tanks, tubs, vials, vessels, etc)

Low Density Polyethylene (LDPE)

A low melting point polymer that is tough, flexible, transparent, and has stable electrical properties. Applications include flexible films like dry cleaning and grocery bags, flexible lids and bottles, wire and cable applications, and heat sealing applications.

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