Since 1982

Shaping the Future
of Metalworking

Reference partners in highly demanding sectors, from nuclear to offshore, from shipbuilding to renewable energies.

+40 Years of Experience
+200 Team Members
6,000 m² Productive Area
+10 Countries
Who We Are

About Us

At Lopes & Caldas, we shape the future of global metalworking. Strategically positioned across the entire value chain of steel constructions, we are a leading partner in highly demanding sectors such as civil metalwork, steel construction, renewable energy, shipbuilding, offshore, and the nuclear industry.

We combine cutting-edge mechanical, civil, and naval engineering with a flexible operational capacity: we operate both on-site, integrated into our clients' projects, and in our own facilities. To ensure excellence at every stage, we have highly specialized departments in Engineering, Estimation, Planning, and Production.

With a strong international footprint and active projects in countries such as Portugal, France, and the Netherlands, we are proud to manage a team of over 250 specialized professionals. In Viana do Castelo, we have two modern industrial facilities totaling 6,000 m² of in-house productive capacity.

LCE Facilities – Lopes e Caldas Engineering

Gathering complete technical, human, and infrastructural capacity to estimate, manage, and deliver complex projects with absolute precision.

Our Commitment
Industrial Capacity

Industrial Capacity & Main Equipment

We have a modern, high-tech infrastructure with the capacity to respond to the most demanding and large-scale projects. Our units are fully prepared for Industry 4.0 and strategically located with excellent logistical access.

Infrastructure & Logistics

Industrial Pavilions 1 & 2

Covered Capacity 6,000 m² of Production Area

Our two industrial facilities are strategically located to guarantee unparalleled logistical flow, with direct access to maritime and road transport channels.

Technical Data

Manufacturing Units Pavilion 1 (HQ) & Pavilion 2
Pavilion 1 Area 1,500 m² (Zona Industrial do Neiva)
Pavilion 2 Area 4,500 m² (Avenida Cabo Verde - Port)
Logistical Access Direct access to shipyards and commercial/maritime port
Operational Technology Units prepared for integrated Industry 4.0 workflows

Area Distribution

P1: 1,500 m²
P2: 4,500 m²
Handling & Logistics

Heavy-Duty Overhead Cranes

Maximum Unit Load 40 Tons

With a comprehensive fleet of 7 overhead cranes distributed across the pavilions, we can ensure the safe handling and assembly of large-scale heavy structures.

Technical Data

Total Fleet 7 High-Capacity Overhead Cranes
Pavilion 1 Distribution 3 × 6.3 t Cranes + 1 × 10 t Crane
Pavilion 2 Distribution 1 × 20 t Crane + 2 × Twin 40 t Cranes
Single Load Capacity Up to 40 t in single piece handling
Safety Features Active electronic weighing systems and wireless radio control

Load Limit Viewer

Twin Cranes Pavilion 2 40 Tons
Main Crane Pavilion 2 20 Tons
CNC Thermal Cutting

20 kW Plate Laser Cutter

Working Area 16,000 × 3,000 mm

Giant-format robotic table ideal for clean, high-precision cutting of carbon steel, stainless steel, and special alloy plates and sheets.

Technical Data

Source Power 20,000 W (20 kW) Fiber Laser
Useful Table Dimensions 16,000 mm (Length) × 3,000 mm (Width)
Maximum Cutting Thickness 40 mm
Positional Accuracy ±0.05 mm
Execution Quality Clean, dross-free cut edges, eliminating post-processing

Thickness Capacities by Material

Carbon Steel (Max. Thickness) 40 mm
Stainless Steel (Max. Thickness) 30 mm
CNC Thermal Cutting

3 kW Profile Laser Cutter

Processing Diameter Up to Ø 254 mm

Robotic technology for continuous three-dimensional cutting and machining on round, square, rectangular tubes, I/H beams, and special profiles.

Technical Data

Source Power 3,000 W (3 kW) Fiber Laser
Max. Allowed Diameter Ø 254 mm (Round, square, rectangular sections)
Input Length Up to 12,000 mm (Automatic feeder)
Motion & Head Dynamic 3D rotary chuck for bevel cuts and drilling
Profile Types Tubes, IPE/HEB Beams, Angles, UPN Profiles

Dimensional Limits

Maximum Bar Length 12,000 mm
Maximum Round Section Ø 254 mm
Profile Machining

Large-Scale CNC Profile Machining

Processing Width Up to 800 mm

Large-format CNC machining and sawing center designed for processing heavy profiles and structural beams of large envergure.

Technical Data

Max. Allowed Width 800 mm (HEB 800, IPE, large-scale UPN)
Combined Functions Mechanical angular cutting, multi-directional drilling, and marking
Control System Advanced CNC with direct import of 3D CAD/DSTV files
Drilling Precision ±0.1 mm

Dimensional Capacity vs Standard

Maximum Profile Capacity 800 mm
Mechanical Cutting

Industrial Mechanical Sawing

Active Fleet 4 Band Saws up to 600 mm

Mechanical station for fast, serial cutting of beams, profiles, solid bars, and metal tubes of varying sections, without heat induction.

Technical Data

Machine Quantity 4 Semi-automatic and CNC Band Saws
Max. Useful Capacity Cross cut up to 600 mm width
Bevel Cutting Adjustable mitre from -60° to +60°
Process Advantage Processing without thermal input, keeping steel properties intact

Bevel Mitre (Angles)

Maximum Cutting Angle 60°
Sheet Metal Forming

CNC 4-Roll Plate Bending Machine

Maximum Dimensions 3,100 mm × 40 mm

Precision bending and rolling for the production of shells, pressure vessels, cones, and large-diameter steel piping.

Technical Data

Bending Type 4-roll geometry with CNC hydraulic drive
Useful Plate Width Up to 3,100 mm
Max. Bending Thickness 40 mm in high-strength steel
Pre-Bending Highly effective due to 4-roll geometry (minimal flat ends)
CNC Features Pass storage and automatic radius calibration

Bending Length

Bending Length 3,100 mm
Maximum Plate Thickness 40 mm
Sheet Metal Forming

200T CNC Press Brake

Bending Force 200 Tons

Multi-axis CNC press brake for exact bending of parts and profiles with active deflection compensation.

Technical Data

Pressing Force 200 Metric Tons
Useful Length 3,050 mm
Controlled Axes X, Y1, Y2, R axes with active electronic synchronization
Deflection Compensation CNC hydraulic crowning table for angle consistency
Produced Profiles U, C, Z profiles, safety steps, and air ducts

Bending Indicators

Max. Working Force 200 Tons
Maximum Bending Length 3,050 mm
Automated Welding

Welding Column & Boom

Useful Reach 6,000 × 6,000 mm

Integrated robotic spindle and submerged arc system for homogeneous circular and longitudinal welds of very high mechanical requirements.

Technical Data

Operational Reach 6,000 mm (Vertical) × 6,000 mm (Horizontal)
Available Processes Submerged Arc (SAW), MIG/MAG, TIG
Standards & Certifications Fully qualified under ASME IX, NP EN ISO 15614 (WPS/PQR) directives
Quality Control Quality suitable for 100% approval of non-destructive testing (X-Ray/Ultrasonics)
Auxiliary Rotators Synchronized automatic roller beds up to 50 tons

Three-Dimensional Reach

Boom (Horizontal Reach) 6,000 mm
Column (Vertical Stroke) 6,000 mm
Recognition

Certifications of Excellence

Our quality and safety are certified by the most stringent standards in the sector, guaranteeing our clients the highest execution standards in every project.

NP EN ISO 9001:2015

Quality Management System

International certification that attests to the rigor of our quality management processes in all phases of production and delivery.

EN 1090-1:2009+A1:2011 · EXC3

Execution of Steel and Aluminum Structures

European certification of execution level 3 for metallic structures, ensuring compliance with the most demanding technical and safety requirements.

Identity

Mission and Vision

Mission

To develop engineering and metalworking solutions that exceed our clients' expectations, driven by a qualified, motivated team fully focused on excellence and sustainable growth.

Vision

To be a national and international reference of innovation and productivity in our sectors, anticipating market trends and consolidating a unique, unmistakable identity.

Our Values

Determination

Full focus on achieving goals, transforming challenges into opportunities.

Seriousness

We act with integrity, transparency, and deep respect for all stakeholders.

Quality

Rigor, insight, and professionalism to guarantee excellent results.

Partnership

Honest and long-lasting relationships with partners, clients, and suppliers are the foundation of our success.

Team Spirit

Mutual help and synergy between departments ensure the speed and effectiveness of our projects.

Versatility

Agility to embrace new knowledge, innovative solutions, and adapt to constantly changing contexts.

Responsibility

Individual rigor and professional ethics that translate into the collective success of the company.

Evolution & Internationalization

Timeline

Over four decades of continuous growth, innovation, and international expansion.

The Foundation

Official constitution of Lopes & Caldas, establishing the foundations of a company that would transform Portuguese metalworking.

In-House Production

Inauguration of the company's first manufacturing unit, marking the beginning of independent production capacity.

Naval Sector

Entry into shipbuilding at ENVC, with the co-fabrication of 7 vessels, a decisive milestone in sector diversification.

Great Undertaking

Execution of the iconic railing of the Eiffel Bridge in Viana do Castelo, a project of huge visibility and technical demand.

Internationalization

Beginning of foreign expansion in the Vigo shipyards, Spain, the first step on an international route that has never stopped.

European Expansion

Strategic milestone with entry into the demanding Dutch market, consolidating our presence in Northern Europe.

European Consolidation

Solid and continuous presence in Belgium, the Netherlands, France, and Spain, with simultaneous projects in multiple markets.

Industrial Growth

Expansion of production capacity with a new 1,500 m² factory, reinforcing the infrastructure to respond to growing demand.

Diversification

Entry into highly technological markets: Energy and the Nuclear Sector, a qualitative leap that redefined the company's positioning.

Intercontinental Route

Expansion beyond borders with new projects in Asia and the Americas, consolidating the global vocation of Lopes & Caldas.

Current Dimension

Consolidation of the structure: 6,000 m² of manufacturing area and over 200 specialized employees ready for the challenges of the future.

Partners & Clients

Companies that trust us

Ready to work with us?

Talk to us about your next project. Our team is available to prepare a personalized proposal.

Contact Us View Portfolio