Centerless Grinder Setup Technician 1st & 2nd shift

New Hampshire Ball Bearings, Inc; Los Angeles (CA); On-site; USD 34,000 - 55,000; Full time

Job summary

New Hampshire Ball Bearings, Inc. (NHBB) in Los Angeles area is seeking an experienced through-feed centerless grinder operator to manufacture precision bearing components per drawings and quality standards.

The role requires setting up grinders, maintaining thru-feed rate, balancing wheels, and training operators. Candidates should have HS Diploma and 3+ years’ setup experience, with strong GD&T knowledge and an eye for precision.

Qualifications

• HS Diploma or equivalent.
• 3+ years of hands-on centerless grinding setup experience; thru-feed grinding required.
• Proven ability to hand-feed a continuous column of parts at a constant thru-feed rate with no separation and without over-pushing.
• Ability to diagnose and correct through-feed geometry, surface, and feeding problems.

Responsibilities

• Set up thru-feed centerless grinders on short or long runs to size, roundness and finish per drawings.
• Push parts into grinder at a steady rate to maintain constant thru-feed; keep end-to-end without gaps.
• Mount, balance and dress grinding wheels; replace worn tooling and adjust machines as needed.
• Train operators on machine operation, gauging and wheel changes.
• Maintain records and follow safety rules (OSHA).

Skills

Centerless grinding setup

GD&T

Through-feed grinding

Reading drawings

Education

HS Diploma

Tools

Nissin centerless grinders

Measuring instruments

Job description

Efficiently sets up and operates through-feed centerless grinding equipment to produce precision bearing components to specified dimension and characteristics according to quality standards. Owns each setup from first piece to production runs and supports operations in the side lap and centerless department.

Essential Duties and Responsibilities

• Set up thru-feed centerless grinders on short or long run work to exacting size, roundness and finish specifications, including work blade height, regulating wheel angle and speed, and guide/fence alignment.
• Critical running step - manual part feeding: Push parts into the grinder at a steady, controlled rate to maintain a constant through-feed. Keep parts butted end-to-end with no separation or gaps, and never push faster than the machine's set thru-feed rate.
• Follow established procedures, verbal instructions, and information from set-up cards and layout sheets (certified process or engineered cycles) to ensure parts are manufactured per process and drawing requirements.
• Mount, balance and dress grinding and regulating wheels; replace worn tooling and adjust machines as needed.
• Use micrometers, microscope, OD dial gages and a variety of fixed and adjustable gages to set up equipment and inspect work. Review calibration of all measuring equipment.
• Diagnose and correct grinding difficulties such as chatter, burn, lobing, taper, feed marks and size drift; maintain required records; detect and report unusual conditions to the assigned leader.
• Perform changeovers efficiently and document setup parameters for repeatable setups.
• Train and support operators on machine operation, gauging and wheel changes.
• Keep work area clean and orderly, observing all safety rules and regulations and conforming to OSHA regulations.
• Move materials, parts, and containers as required to complete job duties.

Job Skills & Abilities

• Read, reference and interpret written and verbal instructions; always following established standard procedures
• Perform basic mathematical calculation, maintain an understanding of standard and metric system.
• Working knowledge of GD&T: Roundness and RA.
• Perform shop math and maintain and understanding of standard and metric s
• Independently set up and hold tolerances of 0.0001" (2.5 m) or tighter on size and roundness.
• Maintain established production levels and quality standards
• Recognize and report any irregularities as to fits, defective parts, finishes, work techniques and/or quality of workmanship
• Maintain necessary records; work is subject to audited inspections
• Communicate clearly and train others.

Education and Experience

• HS Diploma or equivalent.
• 3+ years of hands-on centerless grinding setup experience; thru-feed grinding required.
• Proven ability to hand-feed a continuous column of parts at a constant thru-feed rate with no separation and without over-pushing.
• Demonstrated ability to diagnose and correct the through-feed geometry, surface, operational and manual-feeding problems such as: out of round, taper, barrel or hourglass shape, size variation or drift, chatter marks, burn or discoloration

Preferred

• Setup experience on Nissin centerless grinders.
• Experience grinding precision bearing components such as rings, rollers or pins.
• Vocational or technical certificate in machining or grinding.
• Experience setting work center height, blade top angle and regulating wheel inclination to prevent lobing and control through-feed rate.
• Experience using structured centerless troubleshooting methods or references

Physical Requirements

• May include: standing, walking, bending, reaching, grabbing, twisting, carrying, pushing and pulling.
• Must be able to lift up to 40lbs.

Disclaimer: Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions of the position. The duties and responsibilities described are not a comprehensive list and additional tasks may be assigned to the employee from time to time. The job description does not constitute a contract of employment and the Company may exercise its employment-at-will rights at any time. The above lists all of the essential functions, education, experience, skills and abilities required. Employees must also demonstrate good interpersonal skills, attitude and professionalism, acceptable attendance and work behaviors.

Due to compliance with U.S. export control laws and regulations, candidate must be a U.S. citizen, U.S. permanent resident, or have asylum or refugee status in the U.S.

NHBB is an equal opportunity employer. All applicants will be considered for employment without attention to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran or disability status.

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New Hampshire Ball Bearings, Inc. (NHBB) is a leading manufacturer of precision bearings and complex bearing assemblies for the aerospace, defense, medical, dental, and high technology markets. Founded in Peterborough, NH in 1946, our almost 8 decades of success are rooted in our commitment to the safety, health and wellness of our employees, and partnerships with our customers, suppliers and the communities that surround us.

NHBB's Precision Division is based in the western corner of the San Fernando Valley surrounded by the Santa Susanna Mountains to the west and Los Angeles to the east.

We are always on the lookout for outstanding individuals with a strong work ethic, creative spirit and positive attitude.