Moore & Wright Spring Divider - 200mm (8In)

The Moore & Wright Spring Dividers are manufactured from polished tool steel and the points are ha...

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OnBuy.comMoore & Wright Spring Divider 5063750497600
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B&Q - Moore & Wright Spring Divider Multi Colour (200mm (8In) (Retail Packaging))
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DebenhamsMoore & Wright Unisex Multicolor Spring Divider
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Product Information

Full details

This guide is for machinists, engineers, and DIY enthusiasts who require precise measurement and marking. The Moore & Wright Spring Divider offers consistent tension and durable construction for reliable performance. While highly accurate, it is a manual tool and requires user skill for optimal results.

All features

Model Part NumberBS3123
BrandMoore & Wright

Extended Product Information

FAQs

What is the nominal size of this divider?

The nominal size of 200mm (8 inches) refers to the distance between the center of the roller pivot and the working ends of the legs when fully extended.

How do I ensure accurate circle marking?

Set the desired radius precisely using the adjustment screw. Hold the divider firmly at the center point and rotate smoothly, applying consistent light pressure to the legs to scribe the line.

What material are the points made of?

The points are made of hardened tool steel, specifically hardened to over 550Hv for durability and sharp marking capability.

Is this tool suitable for precision engineering work?

Yes, it is designed for precision tasks requiring accurate marking and measurement, compliant with BS3123 standards.

Can I use this on rough surfaces?

While it can mark on various surfaces, best results and accuracy are achieved on relatively smooth and clean surfaces.

How do I maintain the spring tension?

The bow spring is designed to provide uniform tension. Ensure the pivot area is clean and lubricated for optimal performance. Avoid excessive force that could damage the spring.

Troubleshooting

Legs do not hold set position

Ensure the central adjustment screw is adequately tightened. Check for debris in the pivot mechanism that might be preventing proper engagement.

Difficulty adjusting leg opening

Clean the adjustment screw threads and pivot point. Apply a small amount of light machine oil to facilitate smoother movement.

Points are not sharp enough for marking

The hardened points are designed for durability; if they become dull, professional sharpening may be required, or replacement of the divider if significant wear has occurred.

Legs feel stiff or uneven

Inspect the pivot for any foreign particles or corrosion. Clean thoroughly and lubricate. Ensure the bow spring is not damaged or bent.

Pros and Cons

Pros

  • Durable construction from polished tool steel.
  • Precise and consistent markings due to hardened points and bow spring.
  • Easy and stable adjustments with the central screw.
  • Compliant with BS3123 standards, ensuring quality.
  • Suitable for a wide range of marking and measurement tasks.

Cons

  • Requires manual operation and user skill for precise results.
  • Not suitable for digital measurement or automated applications.
  • Can be subject to wear over time, like any mechanical tool.

Setup, Compatibility & Care

Setup: No assembly is required. Adjust the legs by turning the central screw to set the desired opening. Ensure the legs move smoothly and lock securely at your chosen setting.

Compatibility: This tool is compatible with most common layout surfaces, including metal, wood, plastic, and composites. It is a purely mechanical device and does not interface with electronic equipment.

Care: Keep the divider clean and dry when not in use. Periodically apply a light machine oil to the pivot point and adjustment screw to ensure smooth operation and prevent rust. Avoid dropping the tool, as this can damage the hardened points or warp the legs.

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