CNC Turning Programmer Cum Operator

We are looking for an experienced *CNC Turning Programmer Cum Operator* capable of independently handling *programming, machine setup, tooling, prove-out, machining and inspection* of precision and heavy engineering components.

The candidate should have strong hands-on experience in machining *large-diameter and long components*, including shafts, eccentric shafts, bearing housings, rings, bushes, sleeves and other critical components.

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## Key Responsibilities

### 1. CNC Programming

* Develop CNC turning programs independently using *G-code and M-code*.

* Prepare programs directly from engineering drawings.

* Modify and optimize existing CNC programs.

* Select appropriate machining sequences and cutting parameters.

* Optimize tool paths to reduce cycle time and tool consumption.

* Use canned cycles for roughing, finishing, threading, drilling, boring, grooving, etc.

* Troubleshoot program-related machining problems.

* Knowledge of *Fanuc / Siemens / Mitsubishi* controls preferred.

### 2. Machine Setup

* Independently set up CNC turning machines for new jobs.

* Select suitable cutting tools, inserts, holders and boring bars.

* Set tool offsets and work offsets.

* Perform component alignment and centering.

* Set up steady rests, hydraulic/4-jaw chucks and other work-holding arrangements.

* Check component runout before machining.

* Carry out program prove-out and first-piece approval.

### 3. Heavy & Precision Component Machining

The candidate should be capable of machining components such as:

* Main shafts

* Eccentric shafts

* Crusher shafts

* Bearing housings

* Sleeves

* Bushes

* Rings

* Spacers

* Bearing components

* Counterweight-related components

* Heavy engineering housings

* Mining and crushing equipment components

Experience with *large-diameter and long-length components* will be highly preferred.

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## 4. Drawing & Technical Knowledge

Candidate must be able to:

* Read and understand engineering drawings.

* Interpret dimensional tolerances.

* Understand *GD&T*.

* Understand surface-finish requirements such as *Ra 0.8, 1.6, 3.2*, etc.

* Understand fits and tolerances such as H7, h6, g6, etc.

* Identify critical dimensions and machining requirements.

* Calculate machining allowances and appropriate finishing allowances.

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## 5. Tooling & Cutting Parameters

* Select appropriate carbide inserts and tooling.

* Determine cutting speed, feed and depth of cut.

* Optimize roughing and finishing parameters.

* Select tools based on material such as:

* EN8

* EN19

* EN24

* SAE 4140

* C45

* Cast iron

* Stainless steel

* Other engineering materials

* Monitor tool wear and replace tools when required.

* Minimize tool breakage and unnecessary tool consumption.

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## 6. Inspection & Quality

The candidate should independently carry out *first-off and in-process inspection* using:

* Vernier caliper

* Outside micrometer

* Inside micrometer

* Bore gauge

* Height gauge

* Dial indicator

* Thread gauges

* Vernier height gauge

* Other precision measuring instruments

Responsibilities include:

* Verify critical dimensions during machining.

* Maintain required dimensional accuracy.

* Ensure required surface finish.

* Identify dimensional deviations.

* Make appropriate tool-offset corrections.

* Prevent rejection and rework.

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## 7. Production Responsibilities

* Achieve daily/monthly production targets.

* Maintain required quality standards.

* Optimize machine utilization.

* Reduce machining cycle time.

* Minimize setup time.

* Monitor tool life.

* Maintain production and inspection records.

* Ensure proper identification and traceability of components.

* Maintain machine cleanliness and basic machine condition.

* Follow *5S, safety and shop-floor procedures*.

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# Required Technical Skills

### Essential

* CNC turning programming

* G-code / M-code

* CNC machine setup

* Tool offset setting

* Work offset setting

* Tool selection

* Cutting parameter selection

* Drawing reading

* GD&T

* Precision measurement

* CNC troubleshooting

* Cycle-time optimization

### Preferred

* Fanuc / Siemens / Mitsubishi controls

* CAM programming experience

* Mastercam / NX / Fusion 360 / SolidCAM

* Experience with *CNC heavy-duty turning machines*

* Experience with *VTL*

* Experience with live tooling / C-axis is an advantage

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# Heavy Machining Experience Preferred

Preference will be given to candidates who have worked on machines capable of machining:

*Large diameter:* approximately *•500–•1,500+ mm*

*Long components:* approximately *1,500–3,000+ mm*

Experience with heavy-duty chucking, steady-rest support, component balancing and safe handling of heavy components will be an advantage.

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# Experience

*5–10 years of relevant experience* in CNC turning/programming.

Preferred industries:

* Heavy engineering

* Precision machining

* Mining equipment

* Crusher components

* Construction equipment

* Industrial machinery

* Pumps

* Gearboxes

* Power equipment

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# Educational Qualification

*ITI / Diploma – Mechanical / Production / Tool & Die / Machining*

Candidates with strong practical CNC turning experience may also be considered based on skill level.

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# Ideal Candidate

The candidate should be capable of independently managing the complete machining cycle:

*Drawing Study*

*Process Planning*

*Tool Selection*

*CNC Programming*

*Machine Setup*

*Program Prove-Out*

*First Piece Inspection*

*Production Machining*

*In-Process Inspection*

*Final Component Inspection*

### Key Performance Indicators

* First-time-right production

* Dimensional accuracy

* Machine utilization

* Cycle-time reduction

* Tool-life optimization

* Rejection/rework reduction

* On-time completion

* Setup-time reduction

* Workplace safety and discipline

### Employment Type

*Full-Time | Permanent*

### Preferred Experience

*5–10 years*

### Company

*Ascent Precision India Pvt. Ltd.*

*Precision Machined Components for Mining, Crushing, Screening & Heavy Engineering Applications*

Role & responsibilities