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In-Place Machining Experts

Goltens is a solution driven supplier providing some of today’s most technologically advanced on-site and in-place machining services.

Goltens’ mission and goal are to minimize asset downtime for our customers from across industries around the globe. By performing these high precision machining services in-place and on-site our customers realize tremendous savings by eliminating the costs and additional downtime associated with the disassembly and removal, logistics, transport and reinstallation of the machinery or equipment.

For 8 decades Goltens has been providing our high demand, specialized services anywhere in the world 24 hours a day 365 days a year. Our services include a full range of large-scale and small-scale specialized machining tools to handle almost any challenge our customers present.

Crankshaft and Journal Machining

Goltens has the most cutting-edge in-situ crankshaft and journal machining tooling in the industry. Goltens applies this advanced machining technology to problems in the marine, industrial, stationary power and offshore sectors.

Crankshaft Annealing

Goltens provides expert crankshaft failure analysis and heat treatment/annealing coupled with in-situ machining solutions that minimize downtime and salvage otherwise condemned crankshafts saving operators millions and limiting asset downtime.

Line Boring Services

A critical piece of Goltens’ in-place machining portfolio is the capability to handle a wide range of line boring applications. Line boring of engines, boring of stern tubes and complex tapered boring applications are all routine machining tasks for Goltens.

On-Site Machining

Goltens’ expert on-site machinists perform a broad spectrum of machining procedures including large scale flange facing, surface milling and machining and can address unique, one of a kind requirements with custom built tools.

Metal Stitching

Goltens’ metal stitching repairs provide a second life to damaged or cracked cast iron components and damaged cast engine blocks. Repairs can be performed on-site avoiding the high costs associated with disassembly and transport.

Laser Alignment

Goltens’ In-Situ technicians have broad expertise as it relates to the use of state-of-the-art laser alignment and laser scanning tools. Whatever the requirement, Goltens technicians are ready wherever you need them to do the job with precision and speed.

In-Place Machining Videos

  • On-Site Machining of Cruise Ship Rudderstock in Bahamas

  • Large scale Line Boring and Tapered Boring — Vietnam

  • Westinghouse Gas Turbine Rotor Shaft Machining

  • Stinger Hinge Line Boring and Flange Facing — Singapore

  • Goltens Single Point Crankshaft Machining — Pielstick 18PC4 2V

  • Goltens Shipyard Flange Machining

Let Goltens Solve Your Challenge

Goltens is the right partner for ship owners and power plant operators all over the world. Response to all service enquiries typically falls within 12 hours.

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