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Metodi di fissaggio a un albero

Esistono molte soluzioni per collegare un ingranaggio a un albero. Ecco alcune idee che dovrebbero aiutarti nella tua installazione:

Allegato con a vite di fissaggioAllegato con a Chiave e anello di sicurezza
Metodi di fissaggio a un albero ALTF01
Metodi di fissaggio a un albero ALTF02   Metodi di fissaggio a un albero ALTF09
Allegato con a CoppigliaAllegato con a Blocco di blocco.
Metodi di fissaggio a un albero ALTF10
Metodi di fissaggio a un albero ALTF11
Allegato con a Anello di bloccaggioAllegato con a Boccola autolubrificante
Metodi di fissaggio a un albero ALTF07   Metodi di fissaggio a un albero ALTF08
Metodi di fissaggio a un albero ALTF03

 

PRINCIPI
Assembling the screw is quite simple. It just needs a threaded hole to be punctured into the machine’s hub, and machining the flattened area on the shaft. This will help the forces to
concentrate on the edges of the cup headed screws (GM and SM)
Metodi di fissaggio a un grano per albero
Metodi di fissaggio a un assemblaggio di alberi
Metodi di fissaggio a un albero ALTF01
VANTAGGI
This type of fixing improves adherence and prevents any kind of misalignment during the operation. Also, this kind of mounting limits transmissibility. It is therefore recommended to fix the low module gear wheels this way. (Generally, the threaded hole is standard on all HPC pulleys)

 

PRESIDE
The key attached with the gear and shaft functions as a spigot, it stops rotation between the two. A groove or keyway works as a key element in a machine, it intensifies the productivity if it’s attached to the bore and shaft. They are cut into the bore for traversing the whole width of the gear hence basically function as manufacturing practicalities.
Una chiave parallela – is a rectangular piece of metal, embedded into shaft and hub. Next, the machining of the groove in the shaft is done by aiding it with a two-bladed cutting tool. So, a keyway of the parallel key is excellent for the transmission of high torque levels.
Metodi di fissaggio a una chiavetta dell'albero->  Metodi di fissaggio a un albero ALTF02
Disk (or half-moon) keys are used for the transmission of weaker couples. The machining of the keyway into the shaft is very easily accomplished by utilizing a three-bladed cutter.
Metodi di fissaggio a un albero wooruff ->  Metodi di fissaggio a un albero ALTF09
A keyway does not interrupt the axial movement of the system. Therefore it should be incorporated with another locking system, such as a filo e bullone, or more, simply by using circlips.

 

Attacco con anelli di sicurezza

PRESIDE
Circlips, stop axial movement between two components.There are two types of circlips – one is used for shaft mounting and another is used inside the bore. UTILIZZO
For the utilization of these elements, a groove is required to be cut into either the bore or the shaft, then they fit axially, from one end of the shaft or bore with the aid of a specialized tool. Attenzione, è necessario un diametro minimo (o massimo) per l'installazione.
 

Metodi di fissaggio a un albero
Metodi di fissaggio a un albero ALTF02NK
Metodi di fissaggio a un albero intcirclip

 

The use of these components is often associated with a CHIAVETTA nell'assemblaggio di pulegge o ingranaggi cilindrici.

 

Assemblaggio con coppiglie

PRESIDE
The cotter pin has the effect of immobilizing one component concerning another, hence they assure accurate relative positioning of the two pieces, or of transmitting a movement. Besides, it can also act as a securing element by shearing away in the event of a violent surcharge.
UTILIZZO
Essentially, the pin is subjected to shearing, and should therefore be used in cases where there is relatively little torque involved – The piercing of the pinholes is generally done after assembling the components in order to assure perfect alignment. However, it’s not recommended to use where frequent removal is necessary.

Metodi di fissaggio a un albero goupille

 

Metodi di fissaggio a un albero ALTF10For the use of a cylindrical cotter pin, the machine is required to pierce a hole through the shaft and gear. A rough hole can do the job as the pins can adjust by deforming in their seating.
This property enables them to resist vibration while providing more stability. Therefore, this type of assembly is excellent for small toothed wheels or pulleys, or gears with low modules.

 

Installazione con un gruppo di bloccaggio.

PRESIDE
By tightening the screws, the user can deform a conical ring, and inflict a strong force between the shaft and bore. Hence, the obtained liaison would be complete, rigid (i.e. backlash-free), and easily removable.
Methods of fixing to a shaft -> Methods of fixing to a shaft ALTF11
Metodi di fissaggio a un albero -> Metodi di fissaggio a un albero ALTF11
VANTAGGIO
By avoiding the manufacturing accidents which can be caused whilst cutting keyways etc, the system increases the sectional strength of the shaft while decreasing the concentration of stress points and the phenomenon of metal fatigue cracking.
For equal diameters, the transmissible couple with this method is much higher. Thus, the work done on the shaft and bore gets limited to ensure H8/h8 tolerance and a surface finish of at least Ra=1,6mm for self-centering assemblies (RT25 and RTL450).

A guide should be envisaged for the other assemblies. These locking assemblies are recommended for all types of toothed wheels, and especially for pulleys, sprockets, and gears with large pitches or important modules.

 

Attacco mediante anello di bloccaggio

Attachment by locking ring is a fast and efficient method of attaching all types of toothed wheels. There exists two solutions for it – the first is, locking with half a locking ring (type CT), another is, locking with the aid of a full collar (CC).

L'USO DI UN ANELLO MEZZO TONDO (CT)

This first solution involves the machining and removal of half of the gear hub and penetrating two threaded holes in the rest of the hub.
Methods of fixing to a shaft CT Methods of fixing to a shaft ALTF08
Methods of fixing to a shaft Cydia
Metodi di fissaggio ad un albero CT
Metodi di fissaggio a un albero ALTF08
Metodi di fissaggio a un albero CTdia

UTILIZZO DI UN ANELLO DI BLOCCAGGIO (CC)

The other solution involves trimming the hub and machining the two channels – as shown in the diagram
Methods of fixing to a shaft CC. Methods of fixing to a shaft ALTF07
Metodi di fissaggio a un albero CJGear
Metodi di fissaggio ad un albero CC
.Metodi di fissaggio a un albero ALTF07
Metodi di fissaggio a un albero CJGear

In both cases, the result has a completely rigid joint, which is perfect for the transmission of high levels of torque.

 

Assemblaggio tramite boccola autolubrificante.

PRESIDE
This very simple system provides reliable, simple, and efficient rotational guidance. It limits friction between the shaft and bore with the employment of two self-lubricating bushes (type QAF or QAG), and at the same time, prevents the axial movement from rotating objects.
The locking elements are the most practical locking rings (CT or CJ). They have no requirement for special machining and can be positioned at any point on a shaft, just require adjustments to the position of the pivot point.
 

Collare di bloccaggio CJ:Collare di bloccaggio CT :Metodi di fissaggio a un albero coussinets Metodi di fissaggio a un albero ALTF03

 

The use of self-lubricating Ollieare QAG or QFM bushes imposes a maximum tolerance of f7 on the shaft and H8 on the bore (see ISO 2795 and 2796).
TAG:

Hangzhou Ever-power Transmission Co., Ltd.

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