NUCLEP has an outstanding record of reliability on the fabrication of high-technology products and also provides industrial and engineering services for the nuclear and conventional energy sectors.

Nuclep has one of the world's most modern and best equipped heavy components factory, capable of handling and forming large-sized parts weighting up to 600 tons.

Here, it is possible to perform a wide range of heavy services, such as bending, bend rolling,straightening and cutting of plates up to 300 mm thick (hot work).

Waldrich Coburg Gantry Milling

NUCLEP owns one of the most versatile machine tools available in the industry. It mills, planes, bends and even turns. Equipped with numerical control and a number of angle cutter heads, it is able to perform several machine operations on different faces, with a single fastening and a high degree of precision. It has the following specifications:

Maximum load on table - 120 t
Maximum machining width - 2,450 mm
Maximum machining length - 10,000 mm
Maximum height under column - 1,800 mm

Speed - 6 to 750 rpm
Control - numerical
Devices - angle cutter heads and planing tool support

Schiess Machine Facility

NUCLEP has a milling and boring machine with numerical control and a vertical lathe. They are used for machining large - sized parts and components such as pressure vessels, hydraulic turbine impellers, condensers, covers and heavy-machine structures.

Vertical lathe technical characteristics
Maximum turning diameter (next-to-plate column) - 16,000 mm
Maximum load on plate - 500 t
Toll carrier rake - about 30°
Maximum workpiece height - 10,500 mm
Maximum turning travel - 4,000 mm

Devices:
Independent column for machining 3,200 to 6,000 internal diameters, with 6,250 mm maximum height plus 4 extension bolts to increase plate diameter to 9,000 mm.

Boring machine technical characteristics
Maximum horizontal travel - x - 26,700 mm
Maximum vertical travel - y - 6,500 mm
W shaft travel - depth - 1,600 mm
Z shaft travel - depth - 1,250 mm
W+Z travel-maximum travel - 2,850 mm
Spindle diameter - 200 mm
Toll-carrier cone - ISO 60
Fastening plate dimensions - 9,000 mm x 4,000 mm
Control - numerical
Attachments - angle cutter heads

Furnaces

Electromagnetic Induction Machines and Electric Resistor.

NUCLEP has 3 moving hearth type furnaces with direct heating and automatic control. Their major characteristics are:

For stress relieving of welds on tubes, vessels and metal structures specified by technical or physical reasons or when such treatment must be performed on site, due to large size, Nuclep has 6 electromagnetic induction machines: 3 for 120 kW, 3 for 200 kW and 170 for 2.7 kW electric resistors.

This equipment is also used in welding operations that require preheating and stable temperature during the process, offering the advantage of keeping temperature concentration.

NUCLEP has modern equipment that provides an extensive, high analytic welding capability for large component pieces. These are 14 automatic submerged welding machines, 12 of which are column type. From those, 10 are moving column type. These machines can operate up to 1400A and are capable of welding cylindrical bodies with 10 m of diameter.

In addition, we have auxiliary welding equipment, including power operated rollers with carriage capacity of 500 t, and tilting and rotating positionary tables with 300 t capacity.

NUCLEP also has several equipments for SMAW, TIG, MIG/MAG, SAW and Flux Core welding, which complete the factory's welding set.

For precision deep drilling operations, frequently required on tubes, sheets and support packing panels for heat exchangers, Nuclep has two KOLB HTB-III machines, with numerical control, three horizontal spindles and a BTA drill system. The spindles can operate simultaneously, drilling 018 mm to 032 mm holes. The front spindle drills up to 065 mm.

The drilling depth is 1,100 mm at 0,5 mm/m precision. For minor thickness, of up to 200 mm, "cannon", standard, and clearance drills can be used.

Technical characteristics

Maximum horizontal travel - x = 5,000 mm
Maximum vertical travel - y = 3,000 mm
Maximum spindle travel - z = 1,100 mm
Number of spindles = 3
Main (lower) spindle drilling capacity = 065 mm
Middle and upper spindle drilling capacity = 032 mm
Control = numerical

NUCLEP's technicians and engineers have the qualification and experience required to perform a wide range of tests. Modern laboratories are also available, in order to provide total reliability of the results.

Modern laboratories are also available to NUCLEP´s full reliability of test results.

Nondestructive Testing

• Penetrant Liquid Test
• Magnetic Particles Test with yoke and prod techniques
• Ultrasonic Tests
• X-ray Tests

X-Ray capacity of up to 500 mm on steel
Gamma radiography with Co60 = 100Ci. Capacity of up to 180 mm on steel.

Mechanical Tests

• Tension Test

At room temperature.
With controlled temperature of up to + 350° C.
Laboratory equipped with 2 hydraulically served machines with 25 tf and 100 tf capacities.

• Hardness Test

Brinell, Rockwell, Vickers and micro-hardness Vickers.

• Bending Test

• Compression Test

• CTOD Test

Room Temperature
Controlled Temperature up to - 80°C

• Charpy Impact Test

At room temperature
With controlled temperature between -80°C and +200°C

• Pelline Impact Test

At room temperature
With controlled temperature between -80°C and +200°C

Material analysis

• Macrography

• Micrography by optical microscopy

• Metallographic replica

• Failure analysis. Including chemical analysis, macrostructure analysis, mechanical tests, photographic report, conclusion and technical report.

Blasting and painting cabin measuring 15 m wide, 24 m long and 10 m high. It works with steel grip blasting and conventional painting equipment also used for surface treatment of austenic components. Nuclep also has a wet blasting cabin.

NUCLEP goes to the customer

NUCLEP performs highly complex services out of its own factory in order to fully satisfy the needs of its customers, as featured below.

• Assembly of components for Angra 2 nuclear power plant.