Job Vacancy Alert: Join NU Stamp Automotive Tooling Pvt Ltd, Manesar

🛠️ Job Vacancy Alert: Join NU Stamp Automotive Tooling Pvt Ltd! 🛠️

NU Stamp Automotive Tooling Pvt Ltd, a leading Tier 1 Tool and Die Maker for Krishna Maruti, Honda, Suzuki, Nagata Automotive etc, is expanding our team at Plot No. 505, 506, Sec 8, IMT Manesar, Gurgaon. We are looking for skilled and motivated professionals to join us!

Walk in Interview – 19th Nov 2025 to 25th Nov 2025

Positions Available:

• Die Fitter -5 Nos
• Die Maker – 4 Nos
• VMC Operator – 4 Nos
• VMC Programmer – 3 Nos

Qualification – 12th/ ITI/ Diploma/B.tech 

Facilities:

• A challenging and rewarding environment in the automotive tooling industry.
• PF (Provident Fund) Facility
• Canteen Facility
• Best Salary in Market

Location: Plot No. 505, 506, Sector 8, IMT Manesar, Gurgaon.

To Apply Fill the Form – Click Here

To Apply/:  WhatsApp Resume : 9990006379

Don’t miss this opportunity to advance your career with a reputable company! Please Share this post with anyone who might be interested.

#jobvacancy #hiring #toolanddie #diefitter #diemaker #VMCoperator #VMCprogrammer #IMTManesar #GurgaonJobs #AutomotiveTooling #NUStamp

Here are 10 common interview questions for the Tool and Die Maker industry, covering a mix of technical knowledge, problem-solving, and behavioral skills, along with sample answers.

🛠️ Technical and Experience-Based Questions

1. Can you explain the difference between piercing and blanking operations in a progressive die?

Answer:

“Both are shearing operations, but their purpose defines them. Blanking is when the punched-out piece is the desired part (the ‘blank’), and the surrounding strip material is scrap. Piercing is when the punched-out material is the scrap, and the remaining strip material or work-piece is the desired part. In a progressive die, piercing usually occurs before the final blanking station.”

2. What is clearance in a cutting die, and how does it affect the final product?

Answer:

“Clearance is the deliberate space between the punch and the die opening (or cavity). It’s crucial for achieving a clean shear.

• Effect of Clearance:

  • Correct Clearance: Results in a smooth cut, minimal burr, and maximum tool life.

  • Too Little Clearance: Causes secondary shear, excessive punch/die wear, higher stripping forces, and rough edges.

  • Too Much Clearance: Causes a large burr, rounding of the cut edge, and a fractured break zone on the material.”

3. Describe your experience with CNC programming and operation. Which software are you most proficient in?

Answer:

“I have significant experience operating and setting up various CNC machines, including VMCs (Vertical Machining Centers) and wire EDM. For programming, I am highly proficient in G-code and M-code editing. I use [State specific CAD/CAM software, e.g., Mastercam, AutoCAD, SolidWorks, or UG NX] to generate toolpaths and verify the program before running it on the machine. My focus is always on optimizing feed rates, spindle speeds, and tool selection to ensure precision and efficient material removal.”

4. How do you ensure the precision and accuracy of a die component you’ve just machined?

Answer:

“Precision is paramount. I ensure accuracy through a staged process:

1. Machine Calibration: Ensuring the machine (e.g., grinder, mill) is level and calibrated before starting the job.

2. In-Process Checks: Using precision tools like micrometers, dial bore gauges, and height gauges during machining.

3. Final Inspection: Using a Coordinate Measuring Machine (CMM) or a Profile Projector for final verification of critical dimensions, especially tolerances down to $\pm 0.005$ mm or tighter. I strictly adhere to the tolerances specified on the blueprint.”

5. What is the role of heat treatment in tool and die making, and which materials have you worked with (e.g., D2, H13)?

Answer:

“Heat treatment, such as hardening and tempering, is vital because it determines the final hardness, toughness, and wear resistance of the tool steel. A die needs to be hard to resist wear but tough enough to prevent cracking under high press forces. I have extensive experience working with:

• D2 Tool Steel: Excellent wear resistance, often used for blanking and forming dies.

• H13 Tool Steel: Great for high-temperature applications, commonly used in hot stamping and die-casting molds.”

🧠 Problem-Solving and Behavioral Questions

6. You are setting up a progressive die, and the resulting part shows excessive burr on one side. What are the likely causes and how would you troubleshoot?

Answer

“Excessive burr usually indicates a problem with the cutting edges or the die set alignment. My troubleshooting steps would be:

1. Check Die Clearance: Measure the punch and die opening to confirm the clearance is within specifications. If the clearance is too large, it will cause excessive burr.

2. Check Alignment: Inspect the guide pins and bushings for wear or binding to ensure the punch and die are perfectly aligned. Misalignment can shear the tool edges.

3. Inspect Cutting Edges: Visually check the punch and die steel edges for dullness, chipping, or rolling. If dull, the die needs immediate sharpening (regrinding).

4. Check Shut Height/Press Force: Ensure the press shut height is correctly set to allow the punch to fully penetrate the strip.”

7. Describe a time you had to repair a critical die under a tight production deadline.

Answer:

(Use the STAR method: Situation, Task, Action, Result)

“Situation: In my previous role, the main blanking die for a high-volume automotive part suddenly chipped, shutting down the entire production line.

Task: My manager needed the die back in the press within 4 hours to avoid significant downtime penalties.

Action: I immediately focused on the damaged insert. I bypassed the standard repair queue, pulled the insert, used wire EDM to cut out the damaged section, quickly ground a new replacement piece, and then fitted and assembled the die, bypassing non-critical polishing steps temporarily.

Result: We managed to get the die back into the press within 3.5 hours. This quick action saved the company an estimated [Quantify the saving, e.g., ’10 hours of production time’] and allowed the line to restart immediately.”

8. How do you handle a situation where a design engineer requests a tolerance that is practically impossible to achieve?

Answer:

“My first step is communication. I would review the blueprint with the design engineer to understand why that specific tight tolerance is necessary.

• If critical: I would explain the increased machining cost, time, and potential need for specialized equipment (like jig grinding) and discuss if a slightly wider tolerance could be acceptable without compromising part function.

• If not critical: I would propose a wider, more manufacturable tolerance, citing industry standards and our shop’s typical capabilities. The goal is a collaborative solution that meets the function of the part while being economically feasible to produce.”

9. What safety procedures do you strictly follow when operating heavy machinery like a surface grinder or a milling machine?

Answer

“Safety is non-negotible. My strict procedures include:

• Personal Protective Equipment (PPE): Always wearing safety glasses, steel-toed boots, and ensuring I’m not wearing loose clothing or jewelry.

• Lock-Out/Tag-Out (LOTO): Always ensuring the machine’s power is properly locked out before performing any non-routine maintenance, cleaning, or internal adjustments.

• Workpiece Security: Double-checking that the part is securely clamped in the vise or fixture before starting the machine.

• Guarding: Never operating a machine with safety guards removed or disabled. I also maintain a clean work area to prevent trip hazards.”

10. How do you approach preventive maintenance (PM) for your tools and dies?

Answer:

“Preventive Maintenance is essential for maximizing tool life and minimizing costly breakdowns. My approach involves:

1. Scheduled Inspection: Conducting tear-down and detailed inspection of tools after a defined number of cycles (e.g., 50,000 strokes), checking for wear, cracking, or fatigue in critical components like punches, dies, and springs.
2. Component Replacement: Proactively replacing wear-prone components (e.g., pilot pins, lifters, urethane springs) before they fail catastrophically.
3. Lubrication and Cleaning: Thoroughly cleaning the die set, polishing working surfaces, and ensuring all pillars and guide bushings are correctly lubricated.
4. Documentation: Maintaining a detailed logbook for each die, recording total hits, maintenance dates, and any parts replaced to track performance and predict future service needs.”