Repair welding and laser cladding

Laser cladding & repair welding – fast, economical, material-friendly

When tools or components wear out, laser repair welding is a cost-effective alternative to buying new ones. With over ten years of experience, LaserJob offers high-precision laser cladding for stainless steel, cast steel, aluminum, and numerous other materials—whether for fine cracks, chipping, surface repairs, or targeted wear protection on functional surfaces.

Our modern build-up welding technology ensures minimal heat input and virtually distortion-free results – ideal for sensitive components and complex geometries. Whether in Munich, Augsburg, or anywhere else in Germany, we keep your production running – quickly, reliably, and tailored to your individual requirements.

LaserJob – Your specialist for laser repair welding and laser cladding.

Your experts for repair welding and laser cladding:

Repair welding is a fast, economical, and sustainable solution that gets your tools and components back up and running in no time—often within a day and at a significantly lower cost than buying new.

Fast and flexible

Immediate repair: Defective or worn tools and components can often be repaired on the same day – subject to individual agreement.
Minimum downtime: The quick repair ensures that your production or business is hardly interrupted.

Cost efficiency

Significantly cheaper than buying new: Repair welding saves you the high costs of new tools or components.
Material savings: Material is only applied exactly where it is needed, saving resources and your budget.

Sustainability and preserving value

Extended service life: Targeted repairs and welding restore tools and components to full functionality, often extending their service life beyond that of new standard products.
Environmentally friendly: Reusing existing components reduces waste and protects the environment.

The targeted energy input during repair welding, along with the low heat impact, effectively prevents stress in the material. This ensures that your workpiece remains dimensionally stable, even during demanding repairs. Hardened materials, such as high-alloy tool steels, can be processed without cracking or distortion. Thus, precise results and the highest quality are assured.

Thanks to our flexible pulsed lasers, we can precisely set weld spots with a diameter of 0.2 to 2.0 mm – ideal for repair welding and laser cladding of a wide variety of workpieces. Whether it's repairing the smallest chips or machining large areas on punching and injection molding tools, we tailor our working methods precisely to your requirements.

Our modern equipment with a tilt-swivel lens and a rotary axis for horizontal and vertical movements also enables us to weld complex geometries and hard-to-reach areas effortlessly and reliably. This means we can offer you maximum flexibility and customized solutions – no matter how demanding your repair task is.

Our technologies

LaserJob relies on state-of-the-art technologies and innovative processes to ensure maximum precision and efficiency in repair welding and laser cladding. However, the experience and expertise of welding specialists are crucial for achieving perfect results in this area.

Possible applications repair welding

Repair welding – Sustainable repair instead of expensive replacement

Repair welding involves repairing damaged or worn machine parts by selectively applying welding material. This allows defective components to be repaired quickly and cost-effectively—a sustainable contribution to extending the service life of your machines and systems.

Typical application

Repair of wear parts:
Whether it's worn shafts, defective bearing seats, corroded bores, or worn drive shafts—repair welding gets your components back in shape.
Repairing cracks and fractures:
Cracks and fractures in machine parts are permanently and reliably repaired
Maintenance of cast parts:
Even cast components that have cracks or other defects can be restored to full functionality using this process.
Repair of molds and tools:
Molds and tools can be precisely repaired and optimized for further use through repair welding.

Possible applications laser cladding

Laser cladding - Protection and refinement for your components

Build-up welding is an innovative coating process in which the surface of a workpiece is specifically improved by applying a welded layer of a different material. This additional layer gives the component new, optimized properties and makes it more resistant to a wide range of stresses.

Advantages and uses

Wear protection:
Build-up welding effectively protects your workpieces against abrasion, wear, and other signs of wear and tear. This significantly extends the service life of your components.
Corrosion protection:
The applied coating acts as a protective barrier against corrosive substances, safeguarding the base material from damage.
Property enhancement:
Through careful selection of filler material, specific properties such as hardness, corrosion resistance, or temperature resistance can be individually adjusted and improved.

Rely on contract welding to protect and optimize your components and extend the service life of your machines in the long term!

Our production

Our manufacturing conditions – precision and perfection

Climate-controlled production environment: Consistent temperatures ensure maximum precision and process reliability.
In-house designed production machines: Our production machines were designed in-house to enhance the capabilities of conventional standard machines. When combined with proven laser technology from renowned manufacturers such as Trumpf and Alphalaser, we achieve powerful systems with unique production capabilities.
Versatile machines: 20 production machines enable both optimal production variants for each project and a wide range of services (laser cutting, laser welding, laser engraving, but also micro-bending and small-scale machining processes such as turning, milling, or countersinking).
In-house design and data preparation: Project-oriented and personal support from in-house experts.
Extensive material warehouse: Fast response times and high flexibility thanks to on-site warehousing and short links to renowned suppliers.
Redundant manufacturing systems: Consistent and timely delivery capacity through the use of multiple machines operating simultaneously.

With state-of-the-art technology and strict quality standards, we create solutions that meet the highest requirements—both now and in the future.

Materials

Tools made from the following materials may be repaired:

Structural steel
Tool steel
Tempered steel
Stainless steel
Cast steel
Cast iron
Aluminum
Copper
Copper alloys (brass and bronze)
Titanium
Silver

Filler materials:

We carry a wide range of filler materials in the form of wires or rods for a variety of applications in thicknesses from 0.2 to 1.0 mm. Thanks to our long-standing relationships with specialist retailers, we can also fulfill special requests and requirements quickly and easily.

Example

Why chose LaserJob?

adept knowdledge

Trust our expert knowledge when it comes to repair welding: personal consultation and tailor-made solutions for your specific requirements.

cost-effective

Save your money: Repair welding saves you the high costs of buying new parts and extends the service life of your components.

quick delivery

Benefit from our fast delivery times to ensure your tools are back in service as quickly as possible.

direct contact

Your benefit: We take care of your request personally—quickly, skillfully, reliably, and we're only happy when you are.

Let's get your project started!

The fastest way to reach our order colleagues is by email at mail@laserjob.de or by calling us directly during our business hours.

This enables us to process your request efficiently and promptly. Find your personal contact person here.

Please note that the parts to be worked on have to be clean and free of oil and grease. An adjustment or test sample would also be beneficial.

Time is a particularly important factor in repair welding. Tools that are brought in in the morning can often be back in use by the afternoon.

We will do our utmost to support you. Please contact our order management directly to get a quick assessment of our available capacity.

Tools made from materials such as structural steel and tool steel, heat-treated steel, stainless steel, cast steel and cast iron, as well as aluminum, copper and copper alloys (brass and bronze), titanium, and silver can be repaired.

The documents and drawings submitted should contain the following information where possible:

Welding drawing containing information on the weld seam position
Detailed drawing with the exact dimensions of the component
Material data sheet

Ideally, the data should be in step, DXF or DWG format.

Please ensure that the parts to be processed are clean and free from oil and grease.

Should you have any questions regarding the design or require further information, please contact us directly.

Applying material in layers offers several advantages:

Material can be applied with great precision and control, ensuring that it is only applied where it is needed.
Gradual build-up in several thin layers allows the geometry of the tool to be precisely restored, even with complex or filigree geometries.
Layered construction minimizes stress and distortion, as each layer can be applied and cooled individually.
Hardly any material is lost, as the process is splash-free and no excess material needs to be sanded off.
The quality of the adjacent base material is preserved due to the low heat input and the absence of burn marks.
Post-processing effort and the associated costs are reduced because the applied layers are already very dimensionally stable.
Applying the material in targeted layers can also save time during large-scale repairs, as fewer weld layers are required to achieve the desired thickness of the material.

Overall, layer-by-layer build-up welding results in precise, high-quality repairs with minimal material and time expenditure.

Quality control of repair and contract welding

Precise monitoring of the welding process is crucial for the quality and reliability of the applied layers and repair work. Modern quality control measures include the following aspects:

Visual process control:
High-resolution TV systems and special optics with up to 16x magnification are used for detailed observation of the welding process. These allow us to detect the smallest changes in the molten pool or the seam at an early stage and react accordingly.
Protection against oxidation:
Throughout the welding process, the work zone is continuously surrounded by a protective gas flow. Argon is usually used for this purpose. The protective gas reliably prevents the weld from coming into contact with oxygen from the ambient air, thus protecting it from unwanted oxidation and quality loss.

These measures ensure that the welding work adheres to the highest quality standards, thereby guaranteeing the durability and functionality of the processed components.

Any further questions? Please feel free to contact us directly – We are looking forward to your call:

FAQ: Frequently asked questions

Manual build-up welding—precise layer by layer

In manual build-up welding, a filler wire is guided by hand to the area being worked on. This method allows material to be applied point by point, line by line, or even layer by layer, as required. The result is a precise build-up of material in the desired shape. Especially when repairing tools, this process offers decisive advantages: Through the targeted application of filler material, damaged or worn areas can be restored with pinpoint accuracy. The flexible working method makes it possible to repair both small chips and larger areas efficiently.

After build-up welding, mechanical finishing is carried out – for example, by grinding, turning, milling, or eroding. This precisely restores the original shape and function of the tool. The result: tools and components are quickly ready to be used again without the need for a time-consuming and expensive new purchase.

Durable surfaces for heavy duty areas

To maximise the service life of tools and components in areas subject to high levels of stress, hard, wear-resistant coatings are applied to specific areas. This process provides effective protection against abrasion, erosion and other mechanical stresses.

Special additives are applied in layers to create a resistant surface that is optimally tailored to the respective requirements. In areas that experience high friction or constant stress—such as cutting edges, guides, or contact surfaces—the wear protection coating ensures the functionality and dimensional accuracy of the component are maintained over time.

The advantages in a nutshell:

Enhanced wear protection: Applied layers are particularly hard and resistant to mechanical stress.
Extended service life: Tools and components need to be replaced or refurbished less frequently.
Individual adjustment: The thickness of each layer and material used can be adjusted, according to load requirements and the intended application.
Economic efficiency: Targeted protection of particularly stressed areas significantly reduces repair and replacement costs.
Versatile application: Suitable for a wide variety of materials and geometries—from delicate tool tips to large-area machine components.

Using this process, you get a customized solution that reliably protects your components from premature wear and tear and sustainably increases the productivity of your systems.

For repair welding, the filler material plays a key role, as it specifically adds material to damaged or worn areas, restoring the original geometry and function of the workpiece.

Selecting the right filler material is crucial: it should have properties that are as similar as possible to the base material in order to ensure a homogeneous bond and comparable mechanical properties (e.g., hardness, toughness, wear resistance). Particularly in toolmaking, the filler material must have comparable properties even after heat treatment, to prevent cracking and structural stresses.

Numerous filler materials are available in the form of welding rods or wires. For special requirements—such as particularly high wear or corrosion resistance—alloys with hard carbides or other special additives can also be used.

A high-quality, clean filler material ensures a pore- and crack-free weld seam and minimizes the risk of inclusions or subsequent damage. Modern welding processes such as laser cladding enable the filler material to be applied very precisely and layer by layer, reducing rework and material consumption and increasing the quality of the repair.

Main criteria for selecting filler materials for repair welding

1. Compatibility with the base material

Filler material should be selected as close as possible to the base material, or at least similar to it, in order to ensure a homogeneous bond and comparable mechanical properties such as strength, toughness, and hardness.

2. Mechanical properties

Weld metal properties such as tensile strength, yield strength, toughness, and hardness must be met by the filler material. This is particularly crucial for components subject to high stress.

3. Resistance to specific stresses

Depending on the application, increased resistance to wear, corrosion, or high temperatures may be needed. Special filler materials or alloys are available for this purpose, such as those used for creating heat-resistant or corrosion-resistant weld seams.

4. Processing characteristics

Factors like weldability, flow behavior, droplet formation, and spatter-free welding influence the selection. A filler material should be easy to process and enable a clean, pore-free weld seam.

5. Standards and approvals

Filler materials must comply with the relevant standards (e.g., DIN, EN, AWS) and be approved for the respective application.

With LaserJob, you can rely on the many years of practical experience of our welding specialists when selecting the right filler material.

1. Wear resistance

Targeted layer-by-layer application allows particularly wear-resistant layers to be applied, significantly increasing the service life of tools. This is particularly advantageous in tool and mold making, and for components subject to heavy wear like turbine blades, pistons, or valves.

2. Corrosion resistance

Protective coatings applied in layers can effectively protect tools and components against corrosion caused by chemicals, salt water, or weathering. Large-scale components, for example in mining or the chemical industry, also benefit from this.

3. Free of cracks and pores

This layered structure enables the production of virtually pore- and crack-free layers, even with difficult-to-weld materials, like cast iron. The risk of brittle phases and crack formation is minimized with controlled heat transfer.

4. Dimensional stability and precision

The material application can be controlled very precisely, allowing the geometry of the repaired component to be restored accurately. This is particularly important for complex or delicate tool contours.

5. Adaptable material properties

Different materials can be applied in layers or even with a gradual transition, allowing for customized material properties (e.g., hardness, toughness, conductivity).

6. Surface strength

Targeted application of hard layers (e.g., tungsten carbide in a stainless steel matrix) can significantly increase surface strength, further improving wear protection.

7. Low distortion and tension

Since each layer can be applied and cooled individually, there is less thermal stress and distortion in the component than with conventional repair methods.

8. Material efficiency

Layering is a material-efficient method, as material is only applied where it is needed, and no chip waste is produced.

These advantages make layer-by-layer application a key technology for high-quality, durable, economical tool and component repair.