CNC Gear Operator (Days)

American Rheinmetall; Plymouth (MI); On-site; USD 55,000 - 75,000; Full time

Job summary

American Rheinmetall in Plymouth, MI is seeking a CNC Gear Operator to join the Production team. You will operate a precision gear grinding machine, read blueprints, and set up grinding parameters to manufacture master gears with tight tolerances and quality standards.

The role requires interpreting technical data, selecting appropriate tooling, and ensuring gear dimensions meet specifications through measurement and inspection.

Qualifications

• High school diploma or GED with related experience (1–4 years) or equivalent.
• Ability to read blueprints, planning sheets, and job orders to determine grinding parameters.
• Basic math and measurement skills for tolerances and gear dimensions.

Responsibilities

• Reads and interprets blueprints, planning sheets, sketches, layout, job order and related technical data for product specifications.
• Computes machine indexing ratios and cam dimensions for gear teeth spacing.
• Selects index plate, cams, grinding wheel, feed rates, grinding speed, and depth of cut.
• Positions and secures index plate, cams, and grinding wheel in machine.
• Sets up automatic dressing device to dress wheel to specified profile.
• Moves controls to set synchronized rotation speeds and feed rates.
• Positions and secures workpiece on mandrel or in chuck and verifies positions with gauges.

Skills

Blueprint reading

Precision measurement

Machining setup

Quality inspection

Education

High school diploma or GED

Tools

CNC gear grinding machines

Micrometers/calipers

Job description

American Rheinmetall

provides full services for complex mechanical products, fabricated structures and systems that range from complete design services to prototype manufacturing, testing, production launch, full rate production and product service and sustainment. American Rheinmetall provides quality products and services at affordable prices through a lean organizational structure and four facilities, three in Michigan that span 910,000 square feet, and one in Ohio, that span 800,000+ square feet. The Plymouth, MI facility serves as corporate headquarters and specializes in suspension, driveline, and track systems. The Lansing and Lapeer Michigan based facilities specialize in fabrications and armor product solutions. American Rheinmetall's St. Mary's, Ohio facility manufactures rubber track products for agricultural, construction, and defense industries.

FLSA Status

Non-Exempt

Job Title

CNC Gear Operator

Department

Production

Summary

Operates precision gear grinding machine with special indexing equipment to grind master and precision gears by performing the following duties.

Essential Duties and Responsibilities

• Reads and interprets blueprints, planning sheets, sketches, layout, job order and related technical data for product specifications such as dimensions, tolerances, and number of parts to be ground, and tooling instructions such as grinding speeds, feed rates, holding fixtures, depth of cut and grinding wheel to be used while determining setup procedures, control settings, material requirements, machining methods, grinding operations and sequence of operations.
• Computes machine indexing ratios and cam dimensions for specified spacing and contour of gear teeth.
• Selects index plate, cams, grinding wheel, feed rates, grinding speed, and depth of cut.
• Positions and secures index plate, cams, and grinding wheel in machine.
• Sets up automatic dressing device to dress wheel to specified profile.
• Moves controls to set synchronized rotation speeds and feed rates.
• Positions and secures workpiece on mandrel between centers or in chuck, and turns handwheels to position workpiece and wheel, verifying positions with thickness gauges, dial indicators, and micrometers.
• Turns valve handle and directs flow of coolant against wheel and workpiece.
• Moves controls to index workpiece and feed wheel to workpiece, adjusting depth of cut in part by sight and feel.
• Verifies dimensions of ground workpiece for conformance to specifications.
• Grinds metallic materials.

Competencies

Quantity of Work

The quantity of work produced and the promptness with which it is completed.

Quality of Work

The ability displayed and accuracy of work produced, meeting company standards, and requiring little to no rework.

Judgement/Knowledge of Job

Knowledge of job, techniques, skills, equipment, procedures, materials, etc.

Attendance/Dependability

Punctuality and attendance.

Teamwork/ Attitude

Willingness and cooperativeness with co-workers and supervisors; ability to accept constructive criticism.

Initiative/Independence

The degree to which an employee searches out new tasks and expands their ability to perform assigned tasks without direct supervision.

Adherence to Policy

Follow quality environmental policies and have knowledge of AS9100 and IS14001.

Adherence to Safety

Follow safety procedures, security protocol, and wear proper PPE.

Education and/or Experience

High school diploma or G.E.D. equivalent, one to four years related experience and/or training; or equivalent combination of education and experience.

Reasoning Ability

Ability to apply common sense understanding to carry out instructions furnished in written, oral, or diagram form. Ability to deal with problems involving several concrete variables in standardized situations.

Physical Demands

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

While performing the duties of this job, the employee is occasionally required to stand; walk; sit; use hands to finger, handle, or feel and reach with hands and arms. The employee may occasionally lift up to 50 pounds. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

Equal Employment Opportunity

American Rheinmetall is an Equal Employment Opportunity (EEO) employer. It is the policy of the Company to provide equal employment opportunities to all qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, protected veteran or disabled status, or genetic information.

Equal employment opportunity, including veterans and individuals with disabilities.