Milling Machine Operator

Summary Job Description: Responsible for running the milling machine. This involves tasks related to set-up, machine operation, and disposing of chips as required.

Shift: 8 hours regular shifts and 12 hours over-time shifts. Breaks: 30 minute lunch. . Flooring: Cement, wooden platforms, rubber mats. Environment: Machine shop environment. Need to be careful with other employees while moving overhead cranes in the vicinity. Safety Equipment: Hard hat, gloves, safety glasses, and steel-toe shoes. Strength Range: Medium to Medium-Heavy strength range.

Tools and Equipment: Milling machine, variety of cutters and hand tools, chip pushers, cranes, shovels, and brooms. This list is not all inclusive.

Job Functions and Functional Job Task Elements

Task 1: Operate Milling Machine

• The employee is responsible for changing cutters on this machine on average 2 to 6 times per night.
• Heavier cutters are only changed two times per shift.
• Cutters vary in weight from 10 to 80#s-milling flats, key ways, dowel holders, etc.
• The lighter cutters are located around the machine, while cutters that weigh more than 40# are in a tool room approximately 75 feet away. They are placed between floor and 27 inches off the floor on shelves.
• The employee is responsible for taking the cutter from the shelf to dolly and then wheeling it over to the machine.
• A jib crane can be used to lift the heavier cutters to the machine, while lighter ones are mounted by hand.
• While mounting the cutter, the employee needs to stand on an 18 inch step and place the cutter sideways below waist level. A space of 20 inches is available if the employee wants to put the cutter in from the front.
• The cutter then needs to be locked into place by using an Allen bolt and needs to be done from the side as well.
• Can also be required to place 20# puck and push V-blocks into place. Required to tighten parts using a large wrench on an infrequent basis during the shift as well.
• Must monitor machine operation carefully due to close tolerance of machine operation.

Task 2: Maintain Machine and Surrounding Area

• The chips on this machine need be shoveled form one side of the machine to the other at knee level.
• Once the chips have been moved to the other side, they are shoveled once again into a large bin. Approximately 30-40 shovels full of chips are moved during a shift. This is split between 2-3 occasions in the entire shift.
• Utilize check sheet for preventative maintenance.
• Keep area clean, sweep, pick up debris, etc.
• Check off paperwork associated with each job.

Job Analysis Summary Sheet

United Rolls Inc.

Job Title: Milling Machine Operator

Essential Job Functions, Frequency/Duration Operate Milling Machine Maintain Machine/ Area

Material Handling

Floor to Waist 10-80# Up to 30#

Waist to Shoulder

Shoulder to Overhead

Pushing/Pulling At least 50# of force At least 25# of force

Carry 10-80# 30#

Positional Tasks

Standing/Walking F O

Sitting O O

Neck

Bending/Flexion O-F O

Extending “ “

Twisting “ “

Side Bending “ “

Back

Bending/Flexion O O

Extending “ “

Twisting “ “

Side Bending “ “

Upper Extremity

Right Hand Gripping Mx Mx

Left Hand Gripping Mx Mx

Fine Manipulation O-F O

Repetitive Motion O O

Reaching O O

Overhead Activity

Lower Extremity

Walking O O

Squatting I-O I

Kneeling

Climbing O O

Balancing “ “

N: Negligible R: Rare I: Infrequent O: Occasional F: Frequent C: Constant

Less than 1% 1% or less of task 2-5% of task 6-33% of task 34-66% of task 67-100% of task

1 or less reps/hour 1-2 reps/hour 3-12 reps/hour 13-30 reps/hour 31-60 reps/hour

1 or less reps/day 2-20 reps/day 21-100 reps/day 101-245 reps/day 246-490 reps/day

Mn: (Minimal) Below 30% of Maximum Force Mx: (Maximal) Exceeding 30% of Maximum Force