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QLC - How to make an excellent chuck even better


For many years, FORKARDT has set the pace, worldwide, for chuck development. For example, in 1979 FORKARDT invented the NHF chuck, the first power chuck to combine centrifugal counterbalance, wedge hook mechanism and automatic lubrication - a chucking system which has been adopted by many others in the business and arguably has become the most copied power chuck ever.

Now FORKARDT has advanced power chucking technology yet again. The concept we followed is straightforward: We took the best qualities of the NHF chuck together with new design ideas, techniques and materials which, when combined, meet the stringent manufacturing needs of today. The result is in many ways an improved version of the NHF chuck, but a chuck which is sufficiently different to deserve the new name QLC. The new QLC offers the reliability, efficiency, precision and longevity you have come to expect from FORKARDT. The key characteristics are summarised below. Meanwhile, rest assured that FORKARDT continually strives to make the best even better so you get improved value for money, productivity, reliability.

So, by now you should be convinced that the QLC is technically superior. But is it affordable you ask. Well, you will probably be surprised to hear that it doesn't cost a single penny more than the NHF. You can take advantage of the most advanced technology at no extra cost. This is truly FORKARDT at its best!

Furthermore, our customers who use NHF chucks can rest assured that FORKARDT will continue to offer the usual service and stock of spare parts in the future.

In summary, the QLC is stronger, more stable, with both higher accurary and repeatability. It has centrifugal force compensation, a large bore hole, and requires less frequent maintenance. Your downtimes are reduced, and your quality and productivity are increased. Surely, it is not a question of whether you can afford to buy the QLC, it's a question of whether you can afford not to own a QLC chuck!

Don't take unnecessary risks - buy original FORKARDT!

With the QLC power chuck from FORKARDT your production can reach into new dimensions. Our specialists are ready to answer your questions. Just call us or send us an eMail.

The new FORKARDT QLC power chuck :

New base jaw profile with optimal length of bearing for both internal and external clamping
Increased stability due to multiple jaw guides and reduced jaw overhang
Profile ground base jaws - no loss of lubrication due to undercuts or open fissures
Internal grease supply with improved forced circulation
Permanently engaged wedge hook mechanism, backlash free, for highest gripping forces and repeatability
Centrifugal force compensation for consistently high gripping forces
Large throughbores for bar chucking
Optimum combination of materials - all working parts are hardened and ground
Simplified mounting - connection inside the chuck, no overhang to the rear
Axial stroke limitation inside the chuck, stroke overtravel does not impact the system
Base jaw location availbable as standard in European and US norms
Optional quick-change jaws
Designed and produced according to ISO 9001.
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FORKARDT INTERNATIONAL - an ITW WORKHOLDING company