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The Power of Engineering

Fastening technology experts

Monday morning, the day starts with a call from a customer. “During the installation of a critical bolt in a braking system, we see it is about to break. At the moment, high-speed trains run with these bolts in the same braking system. Those brakes could fail at any moment. This is an extreme emergency!”

The technical experts of the Quality & Engineering department at Fabory react immediately. Assessed for their mechanical properties in the customer's presence on the same day. Done in Fabory’s accredited laboratory. Examined are the tensile strength, the core hardness and decarburisation. All three are in order according to the requirements of ISO 898-1.

 

Error in mounting method

The test results show that the bolts meet the requirements. But the mounting method used should not overload. How could the bolt be about to break? Follow a few telephone conversations with the assembly line. A detail appears to have changed in the mounting method. So that the bolts do not vibrate loose, two drops of a thread locker are applied. A second simulation on the friction test bench shows the consequences of this. The combination of coating and the relevant thread-locking agent lowers the friction coefficient. As a result, they loaded the bolts far beyond the yield strength during installation. The bolt load is still below the breaking strength. Unfortunately, they are being constricted and deformed. The connection is no longer safe.

Lower tightening torque is then written into the assembly instructions. They also recalled the trainsets.

 

 
 
"When using fasteners such as bolts and nuts, quality and technology go hand in hand. In the first place, fasteners must meet the quality requirements. But sometimes things go wrong in the application."
Tim Koopman, Manager Engineering 

 

The interplay between quality and knowledge about connections 

The true story above, and its quick turnaround, ​​show the strength of the Quality & Engineering department. The power of the interplay between product quality and knowledge about connections. Our technical experts will help you determine the correct connection. And more: we help to expect a possible problem. 

Read the stories and find out more about how they work on connections for you every day. Read more here

 

 

Odborníci na spojovací materiál

We provide our customers with the right advice, calculations and tests. Ensuring the right design and application. Including over 120,000 fasteners in every desired version, size and material type. This requires efficient stock management that you can rely on. Smart logistics solutions help with this. The Quality & Engineering department advises customers about the safest connection. This creates Peace of Mind for our customers. The employees in your company can continue to focus on the core tasks.

Sortiment

Fabory je tou správnou voľbou pre vaše potreby v oblasti spojovacích materiálov. Naše produktové portfólio obsahuje široký sortiment spojovacích materiálov a zákaznícky špecifických riešení spojovacích materiálov pre rôzne aplikácie, doplnené C-dielmi.

Fabory Logic

Fabory pomáha pri dostupnosti spojovacích materiálov a C-dielov. Inovatívne panely poskytujú prehľad o spotrebe, čo vám umožní znížiť celkové náklady na vlastnenie materiálu. Fabory Logic vám ponúka služby RFID, Optical-Eye, Váhy a pomoc Merchandisera.

Kvalita, inžiniering a výskum a vývoj

Fabory si zakladá na kvalite a spoľahlivosti. Prepracované riadenie kvality a systémy kontroly kvality sú základom našej činnosti. Naši pracovníci sú vám k dispozícii, aby vám pomohli zabezpečiť správny výber spojovacieho materiálu pre danú aplikáciu.

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