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FAQ

Frequently asked questions

Answers to the 34 most common questions about cobots, laser welding, training, certification and purchasing. Didn’t find your answer? Write to us.

Welding cobots

9
What is a cobot?

A cobot (collaborative robot) is a robot designed to work close to the operator. It has force sensors and can stop on contact. Whether the cell needs guarding depends on the risk assessment of the whole set-up (motion, tool, part, surroundings).

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How do a Fairino FR arm, a WS cobot and a kit differ?

They are three levels of the same offer. A Fairino FR arm is the component on its own - the technical base. A WS cobot is the arm with equipment, plugin, commissioning and training, i.e. ready to work. A kit is the whole cell: a WS cobot plus the process tool and, if the process requires it, an external axis or line equipment.

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How does a cobot differ from an industrial robot?

An industrial robot usually needs guarding, more space and programming by specialists. A cobot is smaller, can work closer to the operator and is easier to re-tool and program (e.g. hand guiding). In welding, the safety assessment of the cell still matters.

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How much does a welding cobot cost?

There is no single price. The cost depends on the arm, the holder, equipment, mounting, plugin, safety measures, tests and training. That is why we first ask for a description of the part and the process, and then give you the scope. The purchase may qualify for the robotisation tax relief.

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Which welding cobot should I choose?

The model is chosen to suit the application, not the other way round. What counts is payload, reach, access to the weld and the way the torch is guided. We start by assessing the part and the process, and only then recommend the model and the scope of the WS kit.

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Will a cobot replace a welder?

Not in a simple sense. A cobot takes over repetitive welds and relieves the operator, but you still need a sound process, part preparation, quality supervision and a person who understands welding.

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How quickly can a cobot be deployed?

It depends on the part, the fixturing and the equipment. Simple, repetitive processes are commissioned quickly; more complex ones require trials, fixtures and configuration. We give a timescale after assessing the process.

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Are special qualifications needed to operate a cobot?

You do not need to be a programmer. Cobots are operated by hand guiding and via the pendant, among other methods. We run operator training, and when you buy a Fairino cobot one training session is included in the price. For mechanised welding, the EN ISO 14732 standard applies.

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How quickly does a cobot investment pay back?

The payback depends on cell utilisation, labour costs, batch size and how production is organised. We do not give a single figure without data - we prepare the calculation individually.

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Palletising

3
What is cobot palletising?

It is automated stacking of products on a pallet using a cobot and a gripper. The customer buys a deployed cell (a process), not just the arm. It works well with repeatable products and a stable infeed.

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What determines whether cobot palletising makes sense?

The weight and dimensions of the product, line speed, pallet height, how products are fed in and the space available for the cell. We assess this data before selecting the gripper and the scope of the cell.

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What does a WS palletising cell include?

A selected arm, gripper and equipment, the palletising plugin, configuration, tests, commissioning and training. We agree the scope after assessing the product and the process.

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Laser welding

5
What is laser welding?

It is a method of joining metals with a concentrated laser beam. On thin sheet it is usually faster than TIG and gives clean welds with minimal finishing and a small heat-affected zone (HAZ).

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Is laser welding better than MIG/MAG?

It depends on the application. The laser wins on thin materials (speed, appearance, low distortion). MIG/MAG is usually better on thicker sheet, in the field and where a lower entry cost matters.

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How much does a laser welder cost?

The price depends on the power of the unit, the equipment and the degree of automation. Handheld laser welders are cheaper than a robotic cell with a cobot. We prepare a quotation once the specification is agreed.

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Which materials can be laser welded?

Most often carbon steel, stainless steel, aluminium, copper and titanium, usually in thin and medium thicknesses. We confirm the range for a specific part after an assessment.

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Do I need a qualification for laser welding?

Yes. Manual laser welding is usually qualified to EN ISO 9606, and mechanised and automated welding to EN ISO 14732. We run laser welder training that ends with an exam.

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Plugins

2
What are Welderstal plugins?

They are software that makes work easier on a prepared cobot cell - they guide the operator through points, sequences and basic process parameters (e.g. for welding or palletising) instead of programming from scratch.

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Does the plugin work on every cobot?

We do not claim that without checking. The version, equipment, application and the way the operator works at the given cell need to be verified.

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Training

4
What does cobot operator training cover?

Safety (including ISO 10218 and ISO/TS 15066), operation, setting the tool centre point, programming and process parameters. We work on a real cell and tailor the programme to the customer’s parts.

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Is training included in the price of a cobot?

When you buy a Fairino cobot, one operator training session is included in the price. It includes configuring the cell to the customer’s specific needs.

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What certificate does laser welder training lead to?

Depending on the degree of mechanisation: manual welding is usually qualified to EN ISO 9606, and mechanised welding to EN ISO 14732. The training ends with an exam with a certification body.

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What does welding supervision cover?

IWE/IWT/IWS supervision covers, among other things, technology selection, preparing WPS/WPQR, welder qualification, quality control and documentation. It is available as outsourcing for companies without their own welding engineer.

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ISO/EN certification

6
What is EN ISO 3834?

EN ISO 3834 sets out quality requirements for welding. It has levels: comprehensive (3834-2), standard (3834-3) and elementary (3834-4). The 2021 edition is current. It is the foundation for EN 1090 and EN 15085.

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What is EN 1090 certification?

EN 1090 covers the execution of steel and aluminium structures. It is the basis for CE marking (through certified factory production control) and for placing products on the EU market.

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How long does it take to implement EN ISO 3834?

Usually from a few weeks to a few months - depending on the size of the company and the state of its documentation. It covers a preliminary audit, documentation, personnel qualifications and support during the certification audit.

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Who needs EN 1090 certification?

Manufacturers of structural steel and aluminium products placed on the EU market (e.g. industrial buildings, load-bearing structures, balustrades, stairs). The CE mark requires certified factory production control.

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What is EN 15085?

EN 15085 is the standard for welding rail vehicles (trams, trains, wagons). Certification is in levels CL1-CL4, mapped to the EN ISO 3834 levels.

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How do I obtain welder qualification to EN ISO 9606?

The welder takes a practical and a theory exam to EN ISO 9606. The certificate is valid for up to 3 years, provided it is confirmed by supervision every 6 months. We prepare candidates for the exam and organise a session with the certification body.

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Technical support

2
Do you provide service and support after purchase?

Yes. We offer service, remote technical support, documentation, 3D models and parts. Warranty details and the scope of support are set out in the quotation.

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Where can I find documentation, software and technical help?

In the technical support section: manuals, 3D models (SolidWorks, STEP), software, simulation, plus a technical forum and a group where you can ask questions.

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Purchase and financing

3
What is the robotisation tax relief?

The robotisation tax relief allows an additional deduction of part of the cost of purchasing a robot (e.g. a cobot or laser welder) from the tax base. The scope and current status of the regulations are best confirmed with a tax adviser - we help gather the information you need.

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Can I lease a cobot?

Yes, leasing is possible. It may qualify for the robotisation tax relief. Terms and instalments are agreed individually.

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How do I order a cobot or laser welder?

Call us (+48 721 340 024) or write via the form. We will match the model to your process, prepare a quotation and agree the delivery and training dates.

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Didn’t find your answer?

Get in touch - we will answer any question about cobots, lasers and certification.