Straightening machine operator
Also known as: straightening press operative, adjusting machine operator, straightening machine tender, straightener, straightening machine technician, straightening machinist
About this occupation
Straightening machine operators set up and tend straightening machines designed to form metal workpieces into their desired shape using pressing practices. They adjust the angle and the height of the straightening rolls and select the settings for the pressing force required to straighten the workpiece, taking into account the end product's yield strenght and size, without excess work hardening.
Essential skills and knowledge
- position straightening rolls
- tend straightening press
- supply machine
- perform test run
- metal forming technologies
- measure flatness of a surface
- set up the controller of a machine
- monitor automated machines
- ensure equipment availability
- remove processed workpiece
- types of metal
- quality standards
Typical tasks and preparation
From the related US occupation profile Extruding and Drawing Machine Setters, Operators, and Tenders, Metal and Plastic (O*NET 51-4021.00). Linked by an official crosswalk: related, not identical; details vary by country.
- Measure and examine extruded products to locate defects and to check for conformance to specifications, adjusting controls as necessary to alter products.
- Start machines and set controls to regulate vacuum, air pressure, sizing rings, and temperature, and to synchronize speed of extrusion.
- Determine setup procedures and select machine dies and parts, according to specifications.
- Troubleshoot, maintain, and make minor repairs to equipment.
- Change dies on extruding machines, according to production line changes.
- Load machine hoppers with mixed materials, using augers, or stuff rolls of plastic dough into machine cylinders.
- Preparation
- Job Zone 2 of 5
- Interests
- Realistic, Conventional, Investigative
Top skills: Operations Monitoring, Operation and Control, Monitoring, Quality Control Analysis, Speaking, Critical Thinking
US median pay: US$47,720 a year (2025), 60,840 employed. Source: U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics.
Subjects this work relies on
How important each subject's knowledge is in the job itself, rated by people doing it (1 to 5).
- MetalworkO*NET: MechanicalVery important (3.8)
- English or Literature in EnglishO*NET: English LanguageImportant (3.1)
O*NET data describe work in the United States; requirements differ by country. This page includes information from the O*NET 31.0 Database by the U.S. Department of Labor, Employment and Training Administration (USDOL/ETA). Used under the CC BY 4.0 license. O*NET is a trademark of USDOL/ETA. CareerProof Global has modified all or some of this information; USDOL/ETA has not approved, endorsed, or tested these modifications.
Preparation needed
Job Zone 1-2: Very Little to Some Preparation Needed
- Education
- Usually requires a high school diploma or GED, though some occupations may not.
- Experience
- Some occupations may need little or no previous experience; others require several months to a year of experience. For example, landscaping and groundskeeping workers might require very little training or previous experience, while agricultural equipment operators can benefit from on-the job training.
- Training
- Ranges from a few days to one year of on-the-job training.
O*NET data describe work in the United States; requirements differ by country. This page includes information from the O*NET 31.0 Database by the U.S. Department of Labor, Employment and Training Administration (USDOL/ETA). Used under the CC BY 4.0 license. O*NET is a trademark of USDOL/ETA. CareerProof Global has modified all or some of this information; USDOL/ETA has not approved, endorsed, or tested these modifications.
Related occupations
Occupations O*NET links to this one by similar work, skills and knowledge.
- Extruding and Forming Machine Setters, Operators, and Tenders, Synthetic and Glass Fibers
- Molding, Coremaking, and Casting Machine Setters, Operators, and Tenders, Metal and Plastic
- Cutting, Punching, and Press Machine Setters, Operators, and Tenders, Metal and Plastic
- Multiple Machine Tool Setters, Operators, and Tenders, Metal and Plastic
- Extruding, Forming, Pressing, and Compacting Machine Setters, Operators, and Tenders
- Cutting and Slicing Machine Setters, Operators, and Tenders
- Rolling Machine Setters, Operators, and Tenders, Metal and Plastic
- Paper Goods Machine Setters, Operators, and Tenders
- Forging Machine Setters, Operators, and Tenders, Metal and Plastic
- Lathe and Turning Machine Tool Setters, Operators, and Tenders, Metal and Plastic
O*NET data describe work in the United States; requirements differ by country. This page includes information from the O*NET 31.0 Database by the U.S. Department of Labor, Employment and Training Administration (USDOL/ETA). Used under the CC BY 4.0 license. O*NET is a trademark of USDOL/ETA. CareerProof Global has modified all or some of this information; USDOL/ETA has not approved, endorsed, or tested these modifications.