Draughtsman Mechanic

1. Position Objective

To prepare, modify and maintain accurate 2D manufacturing drawings and 3D mechanical models for CNC-machined components, tooling, fixtures and production requirements.

The role will work closely with Design, Methods Engineering, Manufacturing, Quality, Tooling and Production teams to convert engineering requirements and customer specifications into clear, accurate and manufacturable drawings and models.

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2. Key Responsibilities

A. 2D Drafting AutoCAD

• Prepare detailed 2D manufacturing and engineering drawings using AutoCAD.
• Develop component drawings incorporating:
• Dimensions and dimensional tolerances
• Geometric tolerances / GD&T
• Surface finish requirements
• Material specifications
• Heat treatment and coating requirements
• Machining and inspection requirements
• Modify and revise drawings based on engineering, manufacturing and quality inputs.
• Prepare component, detail, assembly and manufacturing drawings as required.
• Generate 2D manufacturing drawings from existing engineering designs and 3D models.
• Maintain drawing revisions and ensure proper document and revision control.
• Ensure drawings are complete, accurate and suitable for manufacturing and inspection.

B. 3D Mechanical Modelling

• Create and modify 3D mechanical models of CNC-machined components.
• Develop 3D models based on:
• Customer drawings
• 2D engineering drawings
• Engineering sketches
• Existing components
• Manufacturing requirements
• Prepare individual component models and assemblies.
• Generate detailed 2D drawings from 3D models.
• Verify model-to-drawing consistency before release.
• Incorporate engineering and manufacturing changes into 3D models and associated drawings.

C. CNC Machining & Manufacturing Support

• Develop a sound understanding of CNC turning, CNC milling and precision machining processes.
• Prepare drawings considering manufacturability, machining sequence, inspection methodology and dimensional requirements.
• Coordinate with CNC Programmers, Methods/Manufacturing Engineers, Tooling Engineers, Quality and Production teams.
• Incorporate manufacturing and inspection feedback into drawings and 3D models.
• Support the development and detailing of jigs, fixtures, tooling and machining aids.
• Support engineering teams in resolving drawing-related manufacturing issues.
• Understand machining features such as holes, threads, pockets, slots, profiles, radii, chamfers and complex 3D surfaces.

D. Engineering Documentation & Drawing Control

• Prepare and maintain:

1. Component drawings

2. Assembly drawings

3. 3D CAD models

4. Drawing registers

5. Revision-controlled documents

6. Bill of Materials (BOM)

7. Manufacturing sketches

8. Tooling, jig and fixture drawings

• Follow established drawing numbering, revision and document-control procedures.
• Ensure drawings comply with applicable customer, company and engineering standards.
• Maintain proper traceability of drawing revisions and engineering changes.

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3. Required Technical Skills

Mandatory

• Strong proficiency in AutoCAD 2D.
• Good proficiency in at least one 3D Mechanical CAD software, preferably:
• CATIA
• Siemens NX
• Creo
• SolidWorks
• Autodesk Inventor
• Strong understanding of mechanical engineering drawings.
• Good knowledge of GD&T and engineering tolerances.
• Knowledge of CNC turning, CNC milling and precision machining processes.
• Understanding of fits, tolerances, surface finish and machining requirements.
• Ability to interpret customer drawings, specifications and engineering requirements.
• Knowledge of engineering materials and manufacturing processes.
• Ability to prepare drawings suitable for manufacturing and inspection.

Preferred

• Experience in precision machining, aerospace, defence, automotive or engineering manufacturing.
• Experience in preparing drawings for complex CNC-machined components.
• Experience with tooling, jig and fixture design/drafting.
• Exposure to aerospace drawing standards and documentation requirements.
• Knowledge of ASME Y14.5 / ISO GPS / GD&T standards will be an added advantage.
• Exposure to PLM/PDM or engineering document-management systems will be preferred.

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4. Ideal Candidate Profile

The candidate should have hands-on experience in mechanical drafting and 3D modelling within a CNC machining/manufacturing environment.

Candidates from precision engineering, aerospace, defence, automotive or high-precision manufacturing industries with experience in component drawings, GD&T, CNC machining and tooling/fixture drawings will be preferred.