Grinder Operator

ANDRITZ is a globally leading supplier of plants, equipment, and services for hydropower stations, the pulp and paper industry, the metalworking and steel industries, and for solid/liquid separation in the municipal and industrial sectors as well as for animal feed and biomass pelleting. Other important business segments include automation and service business. The publicly listed technology Group is headquartered in Graz, Austria, and has a staff of approximately 29,000 employees. ANDRITZ operates more than 280 sites in over 40 countries Job Profile Grinder Operator Working location: Griffin, Georgia, USA General Description This employee will operate a grinder in order to meet customer specifications on the product. Non-Union, Hourly position. …………………………………………………………………………………………………………

JOB RESPONSIBILITIES AND TASKS

• Learn to operate overhead crane and the use of the proper cables according to the load requirements.
• The proper set up of the machine for the roll that is going to be ground, blocks and stands.
• Check the serial number of the roll and match it with the factory order prior to loading the roll in the grinder
• Install proper drive to turn the roll body in the grinder
• Have bearings installed or operator install the bearings on the roll that will be ground (if necessary)
• Proper installation of bearings
• Stage the next roll to be ground behind the grinder
• Cleaning and maintenance of the grinder
• Report to supervision any issues or problems during the shift with the roll or the grinder
• Work the schedule shift assigned
• Work overtime as requested
• Inventory or grinding belts is required
• Learn how to use precision measuring equipment

• Locate the roll that is next in the schedule and match the serial number of the roll to the factory order
• Install bearings if required for grinding if not already on the roll
• Set up the grinder with the proper stands or blocks for the roll to rest on during the grind
• Check the cables for the correct weight of the roll and install the cables on the crane to lift the roll and place in the grinder
• Install proper drive to turn the roll during the grind process
• Check the diameter of the roll on the drive end, center, and tailstock of the roll
• Install the proper information in the CNC controls of the grinder to perform the grind
• Adjust the information to be set for the desired crown and tapers
• Install 36 grit belt and proceed to grin the roll to .125 above customer-desired finish
• Inspect the cover throughout the grinding process for any contamination issues
• Stop the roll, check the hardness and confirm the desired hardness that is stated on the factory order. Confirm the hardness is within tolerance.
• Check the alignment of the roll and make sure the crown profile is correct. Make any adjustments to the end to end alignment or crown as needed
• Change to the next finer grinding belt and grind the roll to remove the 36 grit scratches
• After the removal of the 36 grit scratches, stop the roll, check the crown profile and end to end alignment
• Proceed to the next finder grit belt and continue to grind the roll to the specified finish stated on the factory order
• After the grinding of the roll is completed, check crown and alignment with digital calipers and print the profile for attachment to the factory order
• Take all hardness readings required on all four sides of the roll cover
• Install the tapers or end relief as stated on the factory order
• Have supervision or lead person check the roll against the factory order and sign off as approved
• Wrap roll with shrink wrap and remove from the grinder
• Place the roll as close as possible to the next department that will work with the unit
• Clean the machine and blocks and proceed to the next roll scheduled.
• For a regrind of a roll, the same steps would be followed with the addition of the incoming crown profile and hardness readings would be obtained and recorded prior to the grinding of the roll.