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What we do

• Markets
• Engineered applications
• Operational support
  • Design services
  • Manufacturing
    • Supply chain management
  • Non-destructive testing
  • Project management
  • RPI calibration
  • Site services
  • Test and evaluation

Manufacturing

James Fisher Nuclear (JFN) manufactures, assembles and tests the equipment and systems supplied either in-house or with the support of an international chain of qualified suppliers.

The manufacturing strategy is selected for each individual project as part of the project delivery planning process to ensure that the cost and quality required by the customer is delivered. The make or buy decisions are informed by our highly experienced manufacturing teams and our supply chain specialists. Extensive use is made of carefully selected standard components which support the reliability and maintainability of the finished product. Where a specialist capability is required, off-the-shelf subsystems will be integrated to deliver a complete system.

CNC programming is used to define the material type, stock material size and tools to be used. There is no manual input of dimensional data to eliminate transcriptional errors and direct transmission of machine code to the machines. Machining cycle times are calculated automatically.

Automated tool setting routines are used to select the correct tool, load the tool turret and select the tool tip without the requirement for operator input.

• electronic
• probe
• tool offset data
• base stores results

The machining is followed without removing the component from the machine by an automated inspection process using electronic probes. The automated inspection process allows for compensation for tool wear and helps reduce component lead times.

Engineering requirements planning (ERP)

• Data for every part used is stored and linked by a bill of materials for each assembly
• Production resources required for the manufacture of parts and the routing of those parts to each resource is also entered
• Benefit of this system for one off jobs is that it provides the base data for the allocation of stock material, material ordering, material traceability, engineering change control, capacity planning and the reporting of shortage lists
• For repeat orders, data can be used to automatically generate material orders and works orders on individual bills of material, or though manufacturing requirements planning (MRP), if there are many of the same parts being used by a number of orders
• Significant savings in product management time result

Production planning

• When there are many orders for assemblies having some common parts, the MRP system enables works orders to be grouped so that all common parts can be put onto the same works orders and minimise CNC set up operations
• All works orders can be loaded onto the appropriate resources and the effect can be assessed using infinite and finite capacity planning

Machine shop

• Size approx 360m²
• Equipment for CNC milling and turning, manual milling and turning, drilling and welding
• Craneage – 2,000kg, 3.7m Under Hook, 500kg 2.5m Under Hook 3m Radius Work-handler

Assembly fitting shops

• Size/capacity – 300m² limited to max assembly profile 4m²
• Craneage – 2,000kg, 3.7m under hook
• Additional mobile lifting equipment incl. 4t fork lift and 1t A-frame

Fabrication/planting shops

Size, bay height access dimensions and craneage for each shop. Welding procedures – Spec BSEN 287 BS15614 ASME 1X

• Facility – Malton
• Size/capacity – 10m² dedicated, additional expansion available as required
• Craneage – 500kg, 2.5m under hook

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