Automation

Related Terms: Robotics

Automation is the art of making processes or machines self-acting or self-moving. Automation also means the technique of making a device, machine, process, or procedure more fully automatic. Automated machinery may range from simple sensing devices to autonomous robots and other sophisticated equipment. Automation of operations may encompass the automation of a single operation or the automation of an entire facility.

There are many different reasons to automate. Increased productivity is normally the major reason for many companies desiring a competitive advantage. Automation also offers low operational variability. Variability is directly related to quality and productivity. Other reasons to automate include the presence of a hazardous working environment and the high cost of human labor. Some businesses automate processes in order to reduce production time, increase manufacturing flexibility, reduce costs, eliminate human error, or make up for a labor shortage. Decisions associated with automation are usually concerned with some or all of these economic and social considerations.

For small business owners, weighing the pros and cons of automation can be a daunting task. The speed with which technology is advancing combined with a natural resistance to change makes it easy for a business owner to put off changes in the hope that by waiting he or she will be able to acquire more powerful automation equipment for less in the near future. But consultants contend that it is important not to put off implementation of new and more efficient technologies.

TYPES OF AUTOMATION

Although automation can play a major role in increasing productivity and reducing costs in service industries—as in the example of a retail store that installs bar code scanners in its checkout lanes—automation is most prevalent in manufacturing industries. In recent years, the manufacturing field has witnessed the development of major automation alternatives. Some of these types of automation include:

• Information technology (IT)
• Computer-aided manufacturing (CAM)
• Numerically controlled (NC) equipment
• Robots
• Flexible manufacturing systems (FMS)
• Computer integrated manufacturing (CIM)

Information technology (IT) encompasses a broad spectrum of computer technologies used to create, store, retrieve, and disseminate information. It is in the area of information technology where most of the more flexible and non-industry-specific advances are now being made.

Computer-aided manufacturing (CAM) refers to the use of computers in the different functions of production planning and control. CAM includes the use of numerically controlled machines, robots, and other automated systems in the manufacturing process. Computer-aided manufacturing also includes computer-aided process planning (CAPP), group technology (GT), production scheduling, and manufacturing flow analysis. Computer-aided process planning (CAPP) means the use of computers to generate process plans for the manufacture of different products. Group technology (GT) is a manufacturing philosophy that aims at grouping different products and creating different manufacturing cells for the manufacture of each group.

Numerically controlled (NC) machines are programmed versions of machine tools that execute operations in sequence on parts or products. Individual machines may have their own computers for that purpose; such tools are commonly referred to as computerized numerically controlled (CNC) machines. In other cases, many machines may share the same computer; these are called direct numerically controlled machines.

Robots are a type of automated equipment that may execute different tasks that are normally handled by a human operator. In manufacturing, robots are used to handle a wide range of tasks, including assembly, welding, painting, loading and unloading of heavy or hazardous materials, inspection and testing, and finishing operations.

Flexible manufacturing systems (FMS) are comprehensive systems that may include numerically controlled machine tools, robots, and automated material handling systems in the manufacture of similar products or components using different routings among the machines.

A computer-integrated manufacturing (CIM) system is one in which many manufacturing functions are linked through an integrated computer network. These manufacturing or manufacturing-related functions include production planning and control, shop floor control, quality control, computer-aided manufacturing, computer-aided design, purchasing, marketing, and other functions. The objective of a computer-integrated manufacturing system is to allow changes in product design, to reduce costs, and to optimize production requirements.

AUTOMATION AND THE SMALL BUSINESS OWNER

Understanding and making use of automation-oriented strategic alternatives is essential for manufacturing firms of all shapes and sizes. It is particularly important for smaller companies, which, due to their inherent advantage of being more flexible, are able to implement changes somewhat more quickly and thus gain competitive advantage more quickly. But experts note that whatever your company's size, automation of production processes is no longer sufficient in many industries.

The computer has made it possible to control manufacturing more precisely and to assemble more quickly. Today, with the aid of the computer, companies must move to the next logical step in automation—the automatic analysis of data into information that is useful to employees in implementing on-the-fly changes to production processes. Opportunities now lie primarily in the automation of information and not in automation of labor. The work that is being done now in advanced manufacturing is work to manage and control the process.

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