Description:
Job Summary / PurposeThe CNC Toolmaker is responsible for diagnosing, repairing, modifying, and maintaining all moulds and tooling, as well as the design and manufacture of new tools when required.
The role also supports the Toolroom Head of Department by assisting with planning, staff coordination, workflow management, and improving overall toolroom efficiency.
Hours of Work
As per shift roster:
Monday Friday: 07:00 17:00 Alternate Saturday: 08:00 13:00 Sunday: As required On-call: Required for breakdowns, including after-hours, weekends, and public holidays
Primary Responsibilities
CNC Machining
Programming, setting up and operating CNC machines Proper cutter selection for specific machining applications Minimise CNC machine idle time Cutting tool management and ensuring availability of correct cutters at all times
Tooling and Mould Manufacturing
Manufacture, design, maintain and modify existing moulds Manufacture and develop new tools as required Provide support during mould start-up to ensure: Correct operation Product quality compliance QC approval before release
Mould Inspections During Production
Including but not limited to:
Cleaning shut-off faces Checking wear pad screws and shims Inspecting stripper plate screws Inspecting tamper slides, handle hole slides and all moving components Inspecting ejector couplings Checking nozzle-to-sprue bush contact for leaks Verifying mould temperature controller operation and settings Greasing wear pads, guide pins and moving parts Updating date stamps
Tool Maintenance Between Production Runs
Complete stripping of moulds Cleaning of all components and plates Replacement of: O-rings Cap screws Springs Inspection of: Hot runners (leaks, loose tips, etc.) Shut-off faces Wear pads and shims Repairing damaged plates or components Repairing or replacing broken mould parts Testing: Air valves Core tip air Support air systems Lubrication of all moving components Correct mould assembly Functional testing of: Water circuits Air circuits Hot runners Basic mould functions
Breakdown and Production Support
Respond promptly to machine stoppages including:
Heater fau
20 Jan 2026;
from:
gumtree.co.za