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No.16,Xinle Road,1st Industrial District,Jiangbei Village,Wusha Area,Chang an Town,, Dongguan, Guangdong
 Induction
Heatiing Coil Design
 No matter what shape, size, or style induction coil you need,
we can help you! Here are just a few of the hundreds of coil
designs we have worked with. Pancake coils, helical coils,
concentrator coils...square, round and rectangular
tubing...Single-turn, five-turn, twelve-turn...under 0.*0" ID to
over 5’ ID...for internal or external heating. Whatever your
requirements, send us your drawings and specifications for a prompt
quotation. If you’re new to induction heating, send us your parts
for a free evaluation.
In a sense, coil design for induction heating is built upon a large
store of empirical data whose development springs from several
simple inductor geometries such as
the solenoid coil. Because of this, coil design is generally based
on experience.
This series of articles reviews the fundamental electrical
considerations in the design of inductors and describes some of the
most common coils in use.
Basic design considerations
The inductor is similar to a transformer primary, and the workpiece
is equivalent
to the transformer secondary (Fig.1). Therefore, several of the
characteristics
of transformers are useful in the development of guidelines for
coil design. One of the most important features of transformers is
the fact that the efficiency
of coupling between the windings is inversely proportional to the
square of the distance between them.In addition, the current in the
primary of the transformer, multiplied by the number of primary
turns, is equal to the current in the secondary, multiplied by the
number of secondary turns. Because of these relationships, there
are several conditions that should be kept in mind when designing
any coil for
induction heating:
1) The coil should be coupled to the part as closely as feasible
for maximum energy transfer. It is desirable that the largest
possible number of magnetic flux lines intersect the workpiece at
the area to be heated. The denser the flux at this point, the
higher will be the current generated in the part.
2) The greatest number of flux lines in a solenoid coil are toward
the center of the coil. The flux lines are concentrated
inside the coil, providing the maximum heating rate there.
3) Because the flux is most concentrated close to the coil turns
themselves and decreases farther from them, the geometric center of
the coil is a weak flux path. Thus, if a part were to be placed off
center in a coil, the area closer to the coil turns would intersect
a greater number of flux lines and would therefore be heated at a
higher rate, whereas the area of the
part with less coupling would be heated at a lower rate; the
resulting pattern is shown schematically in Fig. 2. This effect is
more pronounced in high-frequency induction heating.
| Pays: | China |
| N ° de modèle: | MF, HF, UHF series |
| Prix FOB: | Obtenir le dernier prix |
| Localité: | - |
| Prix de commande minimale: | - |
| Commande minimale: | - |
| Packaging Detail: | - |
| Heure de livraison: | - |
| Capacité de Fournir: | - |
| Payment Type: | - |
| Groupe de produits : | Induction Heating Coil |
