Cnc Machine Operator

Jindal Steel Limited; Raigarh; On-site; INR 400,000 - 640,000; Full time

Job summary

Jindal Steel Limited in Raigarh seeks an experienced CNC Operator to run roll-turning and machining equipment safely and efficiently. You will select programs, set tools and parameters, and ensure rolls are machined to drawings with tight tolerances.

You will perform inspections, dressing and reconditioning, monitor safety, and coordinate with Roll Shop to keep production on schedule. The role demands vigilance on quality and process discipline.

Qualifications

• Operate CNC roll-turning equipment safely per procedures.
• Perform roll turning, dressing, grooving and finishing as per drawings and instructions.
• Choose CNC programs, tools and parameters for roll material and profile.

Responsibilities

• Operate CNC roll-turning and machining equipment safely.
• Carry out roll turning, dressing, grooving, machining and finishing as per approved drawings and instructions.
• Select appropriate CNC programs, tools, inserts and machining parameters according to roll material and profile requirements.
• Perform accurate machining of roll passes, grooves, collars, radii and other profiles.
• Ensure correct pass dimensions, groove depth, roll diameter and profile geometry as per drawing.

Job description

Role & responsibilities

1. CNC Machine Operation

• Operate CNC roll-turning and machining equipment safely and efficiently as per approved operating procedures.
• Carry out roll turning, dressing, grooving, machining and finishing operations as per approved roll pass drawings and machining instructions.
• Select appropriate CNC programs, tools, inserts and machining parameters according to roll material and profile requirements.

2. Roll Pass Machining

• Perform accurate machining of roll passes, grooves, collars, radii and other required profiles.
• Ensure correct pass dimensions, groove depth, roll diameter and profile geometry as per drawing/pass schedule.
• Maintain required surface finish and dimensional accuracy.

3. Roll Inspection

• Inspect rolls before and after CNC machining for:

Roll diameter

Groove dimensions

Pass profile

Collar dimensions

Radius

Surface condition

Cracks/chipping and other abnormalities

• Use vernier caliper, micrometer, profile gauges and other measuring instruments correctly.

4. Roll Dressing & Reconditioning

• Carry out scheduled roll dressing/reconditioning to restore required pass geometry.
• Ensure proper removal of worn, damaged or cracked portions before machining.
• Follow defined roll-dressing frequency and tonnage-based maintenance requirements.

5. CNC Program & Parameter Control

• Use approved CNC programs and ensure correct program selection for each roll/pass.
• Verify tool offsets, work offsets, zero setting and machine parameters before starting machining.
• Report any abnormality in CNC program, machine movement or machining parameters to the supervisor.

6. Dimensional Accuracy & Quality

• Ensure machining is carried out within specified dimensional tolerances.
• Verify critical pass dimensions at appropriate stages of machining.
• Prevent over-machining and maintain maximum possible roll/pass life.
• Ensure proper identification and traceability of each roll after machining.

7. Machine Maintenance

• Carry out routine inspection of CNC machine, lubrication system, hydraulic system, coolant system, chuck/fixtures and other accessories.
• Check machine condition before starting the shift.
• Immediately report abnormal vibration, noise, temperature, leakage, spindle/tool issues or CNC alarms.
• Maintain basic operator-level preventive maintenance activities.

8. Tool & Consumable Management

• Ensure proper selection and handling of cutting tools, inserts, holders and measuring instruments.
• Monitor tool wear and replace tools at appropriate intervals.
• Maintain minimum required stock of critical CNC tools and consumables.

9. Safety

• Follow all SPM safety procedures, PPE, LOTO and machine guarding requirements.
• Ensure proper clamping and securing of rolls before machining.
• Never enter the machining zone while the machine is running.
• Maintain safe handling practices for heavy rolls using EOT crane/Hydra/Farana as applicable.
• Report unsafe conditions, near misses and equipment abnormalities immediately.

10. Roll Identification & Traceability

• Verify roll identification, grade, serial number and machining requirement before starting work.
• Maintain proper records of roll diameter before/after machining.
• Record machining details, pass number, tonnage, dressing quantity and final dimensions.
• Ensure proper marking and storage of completed rolls.

11. Coordination with Roll Shop & Mill

• Coordinate with Roll Shop, Guide Shop and SPM Operations for timely availability of rolls.
• Prioritize roll machining according to the rolling schedule and upcoming section changes.
• Ensure emergency roll dressing/machining requirements are attended promptly to minimize mill downtime.

12. Troubleshooting

• Identify machining abnormalities such as chatter, vibration, poor surface finish, dimensional deviation, tool breakage and incorrect profile.
• Take immediate corrective action within the defined operating procedure.
• Escalate major machine or quality issues to the CNC Supervisor/Shift In-Charge.

13. 5S & Housekeeping

• Maintain excellent housekeeping around the CNC machine and work area.
• Ensure proper collection and disposal of chips, coolant and machining waste.
• Keep tools, gauges and fixtures properly identified and stored.
• Follow 5S standards and workplace organization practices.

14. Continuous Improvement

• Participate in TPM, 5S, Kaizen and productivity-improvement initiatives.
• Suggest improvements in machining cycle time, tool life, roll utilization and pass life.
• Support reduction of CNC machining time and improvement of roll-shop productivity.

Required Competencies

1. Temp. above 30C .

2. Proximity to Heat, Noise & Temperature.