For emergency assistance, please call +44 (0)141 882 4724

Tel: +44 (0)141 882 4724   |   Email: contact@hydraulic-ram.co.uk

Nicol & Andrew have been line boring main bearing pockets, turbine casings, tail shaft bores, rudder bores and industrial equipment bearing housings for decades.

With our latest Laser guided boring equipment, we can now correct even the slightest misalignment problem on every size and range of diesel engines or marine/industrial plant.

Diesel Engine Bedplates

Damaged diesel engine bedplates and entablatures are routinely repaired by our experienced technicians after a catastrophic failure, saving the need for costly replacement. On-site diesel engine repairs can be carried out at sea, alongside or in a dry dock or a power generation plant around the world, by way of Nicol & Andrews precision Line Boring systems.

  • We offer on-site line boring (or machining of individual bores) of large items of plant that cannot be easily sent to a workshop for repair.
  • Items such as large diesel engine bedplates, cylinder blocks, liner landings (including inserts) and other large items of plant that have suffered wear damage or erosion.
  • On-site line boring can be performed on a large number of in-line bores, such as main journal pockets, accurately machined and aligned even when several meters apart.
  • We cater to diameters ranging from 25mm to 1000mm as standard, with individual bore lengths up to 12 meters. Laser alignment is used to ensure total accuracy.
  • With our latest laser-guided boring equipment, we can now correct even the slightest misalignment on diesel engines or marine/industrial plants of all sizes and ranges.
  • Most repairs are carried out in combination with our laser alignment services allowing us to bring your equipment back to OEM tolerances, giving the best chance of an extended running time.
  • If you need special tooling designed to suit a difficult application, we have designers and 3D (SolidWorks) CAD systems in house to allow us to tackle almost anything.
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Upper and Lower Liner Landings

Your Upper and Lower Liner Landings having suffered damage can be recovered by Nicol & Andrew. We utilise our Line Boring Equipment to repair the landing faces or even oversize the Bores to accept replacement Liner Sleeves.

We offer on-site line boring (or machining of individual bores) of large items of plant that cannot be easily sent to a workshop for repair. Items such as large diesel engine bedplates, cylinder blocks, liner landings (including inserts) and other large items of plant that have suffered wear damage or erosion.

  • Wear or damage to upper and lower landing seal areas within diesel or gas engines and compressors can lead to costly replacements and significant downtime.
  • Both upper and lower liner landings can be machined to remove damage to the face and bore. Thicker spacers can be fitted to ensure engine tolerances are within spec and alignment is achieved.
  • Cast iron or steel inserts can be supplied and fitted to restore the bores to their original size and specifications.
  • Top liner lands can also be machined without removing the studs, using our specially designed equipment.
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Steam, Gas and Hydro Turbine Casings

Whether your needs are to *machine out* existing fitted blades from turbine casings or to modify grooves to accept new, Nicol & Andrew have the equipment and expertise to carry our this demanding work with our proven methods.

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Line Boring

Rudder Stocks / Pintle Bores

Nicol & Andrew perform In-situ Line Boring to a vast array of vessels steering equipment. When Dry Docking reveals badly worn rudder stock & pintle Bores. our versatile Line Boring Systems can be adapted to virtually any diameter and length.

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Stern Tubes

Shipyards worldwide rely on marine large-scale boring and machining capabilities. Our specialized portable line boring tooling is used in the boring of stern tubes of any length and diameter. Whether the job is the machining of two or more bores in-line or the machining of bores at great distances, we have the tooling and expertise to handle it.

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Hinge Pin Bores

Nicol & Andrew regularly carry out Line Boring to Hinge Pin Lines on Roll On Roll Off Ferry Ramp Doors. Whether replacement make-up brushes are introduced or the hinge bores require spiral welding to restore diameters we have the experience and technicians to get the repairs done.

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Coupling Bolt Holes

Flange couplings are a critical part of a rotating machine for power transmission. Coupling flange joint is achieved by calibrated bolts working on shear stress. For this reason, it is important to perform machining on each hole on both flanges together, to get a perfect result in terms of co-axiality, diameter precision and roughness. This process is carried out by special low clearance boring machine..

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