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Metoder til fastgørelse til en aksel

Der er mange løsninger til fastgørelse af et gear til en aksel. Her er et par ideer, der kan hjælpe dig i din installation:

Vedhæftet fil med en fastgørelsesskrueVedhæftet fil med en Nøgle og låsering
Metoder til fastgørelse til en aksel ALTF01
Metoder til fastgørelse til en aksel ALTF02   Metoder til fastgørelse til en aksel ALTF09
Vedhæftet fil med en SkærespidsVedhæftet fil med en Låser assy.
Metoder til fastgørelse til en aksel ALTF10
Metoder til fastgørelse til en aksel ALTF11
Vedhæftet fil med en LåseringVedhæftet fil med en Selvsmørende busk
Metoder til fastgørelse til en aksel ALTF07   Metoder til fastgørelse til en aksel ALTF08
Metoder til fastgørelse til en aksel ALTF03

 

HOVEDRE
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)
Metoder til fastgørelse til en akselskrue
Metoder til fastgørelse til en akselsamling
Metoder til fastgørelse til en aksel ALTF01
FORDELE
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)

 

REKTOR
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.
En parallel nøgle – 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.
Metoder til fastgørelse til en skaftnøgle->  Metoder til fastgørelse til en aksel 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.
Metoder til fastgørelse til en skaftworuff ->  Metoder til fastgørelse til en aksel ALTF09
A keyway does not interrupt the axial movement of the system. Therefore it should be incorporated with another locking system, such as a gevind og bolt, or more, simply by using circlips.

 

Fastgørelse med låsering

REKTOR
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. BRUG
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. Opmærksomhed, er der brug for en minimum (eller maksimum) frigangsdiameter til installationen.
 

Metoder til fastgørelse til en aksel
Metoder til fastgørelse til en aksel ALTF02NK
Metoder til fastgørelse til en akselcirkelring

 

The use of these components is often associated with a KEYWAY ved samling af remskiver eller tandhjul.

 

Montering med spaltestifter

REKTOR
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.
BRUG
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.

Metoder til fastgørelse til en skaftgoupille

 

Metoder til fastgørelse til en aksel 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.

 

Installation med en låsemodul.

REKTOR
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
Metoder til fastgørelse til en aksel -> Metoder til fastgørelse til en aksel ALTF11
FORDEL
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.

 

Fastgørelse med låsering

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).

ANVENDELSEN AF EN HALVRING (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
Metoder til fastgørelse til en aksel CT
Metoder til fastgørelse til en aksel ALTF08
Metoder til fastgørelse til en aksel CTdia

BRUG AF EN LÅSERING (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
Metoder til fastgørelse til en aksel CJGear
Metoder til fastgørelse til en aksel CC
.Metoder til fastgørelse til en aksel ALTF07
Metoder til fastgørelse til en aksel CJGear

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

 

Montering med selvsmørende busk.

REKTOR
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.
 

Låsekrave CJ:Låsekrave CT :Metoder til fastgørelse til en skaft coussinets Metoder til fastgørelse til en aksel 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'er:

Hangzhou Ever-power Transmission Co., Ltd.

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