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Atlantic Fasteners offers water jet cutting

An Atlantic Fasteners product story
Edited by the Engineeringtalk editorial team Oct 9, 2008

Water jet cutting offers significant advantages for machining components made from composites and high-strength materials.

These advantages include shorter machining time, raw material cost-savings and a smoother kerf.

According to Dan McKeeman, director of Atlantic Fasteners' made-to-print services division, the process is ideal for intricate cutting.

He said: 'Water jet cutting is effective for any hard material short of diamond.' Capable of producing a kerf 0.05 inches wide regardless of material thickness, water jet cutting does not cause mechanical stresses or change the properties of the material.

McKeeman recently used water jet cutting to solve a customer's problem that arose from machining a 12-inch-diameter pipe made of resin-hardened cloth layers, similar to phenolic material.

The pipe needed to be split lengthwise with an S-turn in the split for alignment purposes.

Using a CNC milling machine with an end mill to split the sections of pipe wasn't working.

Even a small 3/16 diameter end mill was removing too much material, causing the round pipe to become egg-shaped.

The customer didn't have enough material left to restore the pipe's concentricity and was going to scrap the part.

Water jet cutting removed a minimal amount of material, keeping the cylinder nearly round after it was split.

This enabled the customer to buy pipe with thinner walls, saving 30 per cent.

Using thinner material also cut machining time dramatically.

The kerf was much smoother than if it had been cut with an end mill.

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