Testate di supporto per viti, con cuscinetti esenti da corrosioneBlocchi di cuscinetti per sinterizzazione laser dryspin® Per le dimensioni della filettatura da 6 a 24 mm, sono disponibili pratici blocchi di supporto per vite di comando. Opzioni per il montaggio con cuscinetti a strisciamento o cuscinetti a sfere (BB) con dinamica superiore. Tutti i blocchi di supporto della vite di comando, come gli anelli di fissaggio, sono forniti in alluminio anodizzato duro.
► Esente da lubrificazione e manutenzione
► Alloggiamento per supporto vite di comando
► Fori di montaggio per il tuo design
► Predisposta per il collegamento di accessori come indicatori di posizione e morsetti manuali
► Disponibili blocchi di supporto per sinterizzazione laser per viti di trasmissione da 6 mm di diametro
► Versioni per filettatura TR e DS
FL: cuscinetti fissi con anello di bloccaggio anodizzato con filettatura destrorsa e cuscinetti iglidur® esenti da lubrificazione
LL: cuscinetti flottanti con cuscinetti iglidur® esenti da lubrificazione
LH: filettature sinistre opzionali, solo TR10, TR2, TR10 e TR3
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Why are there different versions? The bearing arrangement has to fulfil the principle of clarity. Furthermore, the bearing must ensure the defined control of the force flow. If it does, the bearing is considered statically determined. There are various bearing options, such as the
fixed floating bearing and the
double-sided floating bearing. Fixed floating bearing:the fixed bearing clearly positions the shaft in an axial direction. The fixed bearing must therefore absorb both radial and axial forces and guide them into the surrounding structure. This can basically be fulfilled by a single bearing. The floating bearing corrects parallelism errors minimally and offers thermal expansion capability, which means that the cable is not stressed.
Advantages of fixed floating bearing
► No axial clearance
► Non-critical shaft expansion (due to such factors as temperature)
► Suitable for changing axial loads
► Clarity of forces applied
Double-sided floating bearing:in a double-sided floating bearing, the lead screw is not clearly fixed in the axial direction. This means that without stressing the bearing, mechanical or thermal differences in length can be absorbed, but the lead screw is not protected against drifting. This has to be considered in particular when dealing with positioning applications.
Advantages of double-sided floating bearings:
► Cost-effective
► Low design cost
► Non-critical shaft expansion (due to such factors such factors as temperature) in the area of clearance
Disadvantages:
► Not clearly fixed in the axial direction
► Not suited to changing axial loads
► Only if axial clearance does not impair function
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Versions
Fixed bearing version (FL)Depending on thread dimensions, this version has the clamping ring clamped into the lead screw itself or to the lead screw's outer diameter. For high helix lead screws, it is always the outer diameter that it is clamped to.
► Note:
you can also choose a bearing block for your application that uses the measurement d1 for clamping onto the turned machined end.
Floating bearing (FL):depending on the lead screw's dimensions, a machined end must be turned to the value d1. You can see below which dimensions this applies to. The floating bearing block merely supports the lead screw. This type does not prevent the lead screw from drifting.
Ball bearing type (BB):this bearing block should always be used in case of highly dynamic applications, e.g. when a motor is involved
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Suggerimento di progettazione per la lavorazione delle estremità delle viti di comando: | Codice articolo | d1 mm | | | | | | | | | | | | | | |
| SLS-16-LL | 12 |
| SLS-16-LL | 12 |
| SLS-18-LL | 12 |
| SLS-18-LL | 12 |
| SLS-18-LL | 12 |
| SLS-18-LL | 12 |
| SLS-20-LL | 12 |
| SLS-24-LL | 14 |
| SLS-S16-LL | 12 |
| SLS-S18-LL | 12 |
| SLS-S20-LL | 12 |
► Nota sulla capacità massima di carico: può superare il carico massimo della madrevite.
