Position Overview
Responsible for performing preventive and corrective maintenance, repair, adjustment, and troubleshooting of injection molds, ensuring optimal mold performance, quality, and availability for production at Yanfeng.
Position Requirements
1. Technical Experience
- 3–5 years of experience in preventive and corrective maintenance of injection molds.
- Experience with cold runner and hot runner molds.
- Experience with hydraulic and pneumatic cores.
- Knowledge of mold protection systems and sensors.
- Experience with hot runners and temperature controllers.

2. Bench Skills & Mold Fitting
- Mold disassembly and assembly.
- Welding application and determination.
- Parting line correction.
- Fitting and adjustment of sliders, lifters, ejectors, and cores.
- Polishing and finishing.
- Identification and correction of flash.

3. Machining Knowledge
- Milling machine.
- Lathe.
- Surface grinder.
- Hand tools.

Machining expertise is not required; however,



the technician must have a solid understanding of how mold components are manufactured and how to properly correct them.
4. Blueprint Reading & Metrology
- GD&T; interpretation.
- Dimensional tolerances.
- Fits such as H7, g6, etc.
- Surface finishes.
- Ability to use micrometers, calipers, indicators, height gauges, comparators, and other measuring instruments.

5. Mold Troubleshooting
- Troubleshooting injection molds on the production machine.
- Troubleshooting, repair, and adjustment of molds in the tool room.
- Identification of root causes and implementation of corrective actions.

6. Injection Molding Process
- Basic knowledge of the plastic injection molding process.
- Understanding of the relationship between mold conditions, process parameters, and part defects

📌 Full Time Apprentice Technician (Ciudad de México)
🏢 Yanfeng
📍 Ciudad de México