Job Description of a Screw Machine Operator
Screw machine operators are machinists who operate an automatic lathe to produce custom parts that meet certain specifications. The job requires operators to be knowledgeable about all aspects of the screw machine, from set-up and operations to maintenance and repairs. Screw machine operators are highly skilled at interpreting blueprints and setting the screw machine to precisely match those specifications.
Screw Machine Operator Job Description
Screw machine operators perform a variety of tasks in their work with one or more multiple-spindle, automatic lathe-type screw machines. These machines are used to produce custom parts from stock metal or other materials. Screw machine operators ensure the machine is properly set up to perform the various operations needed to produce these parts. Operators read blueprints and determine exactly what screw machine settings are needed to create an actual working part from the plans. The operator chooses cutting speeds, the depth of cuts, how fast the machine should run and which cutting tools should be used for each operation. Operators base their decisions on experience, knowledge about the materials being used and basic mathematic principles.
Operators install and adjust cams, gears and stops to the screw machine and verify the positioning of cutting tools by using gauges or other instruments. Operators are responsible for turning the machine on and off according to safety protocols. During an operation, operators carefully monitor the screw machine, making changes to speed, feed rates or tool position to ensure accurate reproduction of the plans. After a sample part has been produced, screw machine operators verify that the part meets specifications of the blue prints by using a variety of tools, such as calipers and micrometers.
Operators are responsible for labeling finished products and keeping track of materials used during production; they may be required to submit records regarding productivity and operation quality.
In addition, screw machine operators perform regular maintenance or repair on the screw machine, such as replacing work parts or using other machines to sharpen tools. Some jobs require screw machine operators to have experience with a particular brand of screw machine. An operator's job performance is evaluated according to their mastery of a variety of tools, the complexity of a particular job and the quality of the final product.
Salary and Employment Outlook
Screw machine operators aren't listed separately in the U.S. Bureau of Labor Statistics (BLS), but its reports indicated that metal and plastic machine workers were expected to see six percent growth in employment from 2010 to 2020. The BLS also doesn't list salary data for screw machine operators; however, it stated that the median annual salary for lathe and turning machine operators was $36,540 in its May 2012 report.
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