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ANDRITZ Hydro in Switzerland, Kriens
Manufacturing

ANDRITZ Hydro Production in Kriens

The workshop in Kriens has more than 160 years of experience in manufacturing, service and rehabilitation, erection and commissioning of hydroelectric power plants of every type as well as the orders placed in our Shop which have a significant meaning for ANDRITZ Hydro.

In order to proceed efficiently with the orders, a modern very well furnished machine park is available for small and large parts with a weight up to 80 tonnes, stoves for heat treatments, 3D measurement units as well as a coating system for thermal spraying (HVOF). Our professional specialists are trained in the machining, grinding and welding operations, non-destructive material check-up and demanding assembly works (crane capacity up to 160 tonnes). Of course, the shipping process (packaging, transportation and customs clearance) also belongs on-site to our activities and completes our portfolio.

ANDRITZ Hydro work in Kriens

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Mechanical manufacturing

Qualified specialists with a long-term experience in milling, turning, and grinding processes and with flexible working hours ensure a short processing time.

CNC center lathes (ø 2 m and 10 t)
CNC carousel turning machines (8.8 m and 80 t)
milling machines operated conventionally (12 m and 80 t)
table drilling and milling units
CNC machining center (vertical)
milling center - 5 axis
CNC machining center (horizontal)
plate, drilling and milling centers
radial drilling machine
circular grinding machine
flat grinding machine
mobile eroding machine

Turbine workshop and onsite assemblies

With their specialized knowledge and more than 25 years of experience in the Service & Rehab business, our mechanics, electricians, pneumatics specialists, hydraulicians, pipe locksmiths, and scrapers guarantee professional assemblies and dismantling.

crane capacity up to 90 t
assembly area / turntable 1500 m2 / 200 m2
hydraulic pressure test up to 300 bar, water and oil
static balancing up to 80 t / dynamic up to 5 t
workshop pit (length 8 m x width 6.5 m x depth 4 m)

Generator workshop and onsite assemblies

Our team in the Service and Rehab division with its long-term manufacturing experience for generator constructions and related infrastructures fulfills all customer requirements from cleaning to a completely new installation.

stator manufacturing (metal and winding installations, etc.)
rotor manufacturing and wave manufacturing including workshop assembly
poles manufacturing in massive and single metal implementation
electric check and diagnosis measurements
servicing and maintenance of generators and exciters

All kinds of inspection work on hydraulic machines

Professional inspection work for parts of all turbine types and generators with grinding and welding work, warm treatment, and coating. Various non-destructive tests guarantee the necessary quality.

SXHTM coating

fixed spray process HVOF
mobile spray process HVOF

Heat treatment

Pieces size from length 7.5 m x width 7.5 m x 3.5 m

gas heat treatment
electric heat treatment

3D geometry measurement

laser tracker
gauge arm
3D scan arm
3D scanner

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Non-destructive testing

VT visual check
PT colour penetration testing
MT magnetic powder testing
UT ultrasound testing

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Surface treatment

sandblasting
painting

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Site measurement at Kriens

Expertise in measurement and analysis technique – a strong combination

Apprenticeships in Kriens

ANDRITZ Hydro offers over 30 apprentices in various courses, dedicated trainers and a sophisticated training program in a hands-on working environment.

Hydro News 34

System strength

HYDRO News Europe

This edition offers a glimpse into Europe’s hydropower market and a review of ANDRITZ Hydro activities.