CNC Programmer
at Altra Industrial Motion

Date Posted: 9/6/2017

Job Description

TB Wood's Inc., a Division of Altra Industrial Motion is currently seeking a CNC Programmer for our facility in Chambersburg, PA.

Job Summary: Plan the programs that automate machine tools by means of computer generated electronic data.

Essential Duties and Responsibilities:

  • Read three-dimensional computer-aided/automated design (CAD) blueprints, determine where to cut, and other calculations.
  • Translate instructions into a computer aided/automated manufacturing program (CAM).
  • Write programs or modify existing programs and store them on the machine's controller using tapes or disks.
  • Analyze job orders, drawings, blueprints and other data.
  • Determine the sequence of machine operations, and select the proper cutting tools needed to machine workpieces into the desired shapes.
  • Revise programs or tapes to eliminate errors, and retest programs to check that problems have been solved.
  • Analyze job orders, drawings, blueprints, specifications, printed circuit board pattern films, and design data to calculate dimensions, tool selection, machine speeds, and feed rates.
  • Write instruction sheets and cutter lists for a machine's controller to guide setup and encode numerical control tapes.
  • Observe machines on trial runs or conduct computer simulations to ensure that programs and machinery will function properly and produce items that meet specifications.
  • Enter computer commands to store or retrieve parts patterns, graphic displays, or programs that transfer data to other media.
  • Determine reference points, machine cutting paths, or hole locations, and compute angular and linear dimensions, radii, and curvatures.
  • Sort shop orders into groups to maximize materials utilization and minimize machine setup time.
  • Compare encoded tapes or computer printouts with original part specifications and blueprints to verify accuracy of instructions.
  • Draw machine tool paths on pattern film, using colored markers and following guidelines for tool speed and efficiency.
  • Enter coordinates of hole locations into program memories by depressing pedals or buttons of programmers.
  • Align and secure pattern film on reference tables of optical programmers, and observe enlarger scope views of printed circuit boards.

Knowledge and Skills:

  • Technical understanding of TBW products and the power transmission industry.
  • Knowledge and experience with CAD and MasterCAM software.
  • Reading comprehension and knowledge of mathematics.
  • Demonstrates ability to write computer programs.
  • Good interpersonal and communication skills.
  • Proficiency in use of measurement tools (calipers and micrometers).

Job Requirements

Education and Experience:

  • High School diploma or GED
  • Technical Certificate or equivalent preferred
  • 3-5 years related experience preferred


Working Conditions:

  • Normal machine shop environment
  • Must wear personal protective equipment at all times
  • Noise – Frequent exposure to noise levels at or above 85 decibels during shift. Hearing protection required.
  • Dust – Regular exposure to dust particles. Proper PPE required, when needed.

Physical Requirements:

  • Lifting Requirements – Must be able to lift up to 50lbs.
  • Bending, Kneeling and Squatting – Must be able to bend, kneel and/or squat during course of shift.
  • Standing – Must be able to stand, potentially for long periods of time, during shift.
  • Arm-Hand Steadiness —Must be able to keep hand and arm steady while moving arm or while holding arm and hand in one position.
  • Finger Dexterity — Must be able to make precisely coordinated movements of the fingers of one or both hands to grasp, manipulate, or assemble very small objects.
  • Manual Dexterity — Must be able to quickly move hand, hand together with arm, or two hands to grasp and/or manipulate objects.
  • Control Precision — Must be able to quickly and repeatedly adjust the controls of a machine or a vehicle to exact positions.
  • Near Vision — Must be able to see details at close range (within a few feet of the observer)
  • Hearing Sensitivity — The ability to detect or tell the differences between sounds that vary in pitch and loudness


Job Snapshot

About Us

Altra Industrial Motion is a leading global supplier of quality power transmission and motion control products. Providing the essential control of equipment speed, torque, positioning, and other functions, Altra products are used in nearly any machine or process involving motion. Our products are sold in over 70 countries in a variety of major industrial markets, including food processing, material handling, packaging machinery, mining, energy, automotive, primary metals, turf and garden and many others.

Altra products are marketed under a variety of well recognized and established manufacturing brand names. Operating independently, each of these companies is committed to the guiding principles of operational excellence, continuous improvement and customer satisfaction.

Our products are frequently used in a wide range of high-volume manufacturing processes, where the reliability and accuracy are critical in both avoiding costly down time and enhancing the overall efficiency of manufacturing operations.

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