On-site machining
At Hermanos Alfaro, we are specialists in on-site machining worldwide. Thanks to our portable machinery and qualified technical team, we carry out high-precision work directly at the customer’s facilities, reducing downtime and guaranteeing quality results without the need to dismantle the equipment.
Specialists in on-site machining worldwide
At Hermanos Alfaro, we stand out for offering an on-site machining service with portable machinery designed and manufactured in our own facilities.
We travel directly to the location where the work is needed, avoiding the dismantling and transport of parts or structures.
Our in-house technical office allows us to offer fast solutions tailored to each customer, with key advantages such as
Shorter delivery times
Full adaptation to customer requirements
Manufacture of specific machinery
Local, flexible and personalized technical service
Dimensional control in on-site machining
Accuracy and verification of results
Dimensional control is essential to guarantee the quality of on-site machining. Before and after each intervention, we check the initial and final condition of the parts, ensuring that the project objectives are achieved.
At the customer’s request, we can also carry out preliminary checks to determine whether on-site machining is necessary.
Examples of measurements taken
- Alignment of bearings and shaft lines
- Verification of concentricity of bearings, lines and housings
- Measurement of flange and shaft inclination
- Measurement of crankshaft journal ovality
- Flange flatness control with precision < 0.02 mm/m and radii up to 20 m
On-site machining in the naval sector
Thanks to our proximity to major shipyards and shipbuilders, we have more than 45 years of experience offering on-site machining for ships and offshore platforms.
We work on repairs and new construction, in dry dock, beached or at sea, for all types of vessels: fishing boats, cargo ships, ferries, military vessels, yachts, submarines, offshore platforms, etc.
Main work carried out in the naval sector
- On-site grinding of crankpins and main bearings
- Welding and machining recovery of engine blocks and liner seats
- Bushing and machining of upper and lower guides
- Planing, drilling and threading of flanges up to Ø 11,000 mm
- Machining of shafts, rudders, horns and housings
- Extraction and recovery of threads and bolts
- Boring of main bearings and reconditioning of caps
- Laser measurement of bearing lines
On-site machining for the wind power sector
The expansion of onshore and offshore wind farms has boosted our participation in international projects (Germany, Norway, Spain, Portugal, Poland, Chile, Morocco, Romania…).
We adapt portable machinery to perform machining and grinding on site on large wind structures, complying with the standards of manufacturers such as SIEMENS, SUZLON and VESTAS.
Notable work in the wind power sector
- Planing of wind tower flanges up to Ø 11,000 mm
- Machining of generator blade flanges
- Chamfering, drilling and threading of flanges
- On-site boring of keyways
Other industrial sectors
Hermanos Alfaro’s on-site machining is used in a wide variety of industries:
- Automotive
- Offshore
- Cement
- Granite and mining
- Plastics industry
- Industrial furnaces
- Hydroelectric
- Nuclear
- Foundry
Thanks to our adaptable machinery and in-house design, we can take on projects of different sizes, materials and conditions.
Examples of on-site machining carried out
- Milling of bases and tables up to 32,000 mm x 4,000 mm
- Machining of keyways, polines and press plates
- Boring of plastic heads and injectors
- Machining of industrial furnace rollers
- Recovery of pinion teeth
- Alignment of shafts and housings
Why choose Hermanos Alfaro for your on-site machining
Our precision machining combines state-of-the-art machinery, rigorous quality controls and production flexibility. We offer customized solutions that optimize materials and times, adapting to each project, from prototypes to complete series.
Contact us and request a quote
Do you have any questions? Fill in the form below and we will call you.