CN105429390A - Winding die and method for obtaining dimensions of winding die - Google Patents
Winding die and method for obtaining dimensions of winding die Download PDFInfo
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- CN105429390A CN105429390A CN201510975796.7A CN201510975796A CN105429390A CN 105429390 A CN105429390 A CN 105429390A CN 201510975796 A CN201510975796 A CN 201510975796A CN 105429390 A CN105429390 A CN 105429390A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/04—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of windings, prior to mounting into machines
- H02K15/0435—Wound windings
- H02K15/0442—Loop windings
- H02K15/045—Form wound coils
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Abstract
The invention provides a winding die and a method for obtaining dimensions of the winding die. The winding die comprises a base (10) and a winding body (20) arranged on one side of the base (10); a first bottom edge (21), a second bottom edge (22), a third bottom edge (23), a fourth bottom edge (24), a fifth bottom edge (25) and a sixth bottom edge (26) that are connected in sequence are formed in the junction of the circumferential side face of the winding body (20) and the base (10); the first bottom edge (21) is parallel to the fourth bottom edge (24); the second bottom edge (22) is parallel to the sixth bottom edge (26) and the second bottom edge (22) and the sixth bottom edge (26) are equivalent in the length; and the ratio of the distance from the junction of the second bottom edge (22) and the third bottom edge (23) to the first bottom edge (21) to the distance from the first bottom edge (21) to the fourth bottom edge (24) is 0.46-0.51. According to the technical scheme of the winding die and the method for obtaining dimensions of the winding die, the problems that the winding is likely to be exposed outwards and the product reject ratio is relatively high in a stator injection molding process existing in the prior art can be effectively solved.
Description
Technical field
The present invention relates to winding mould technical field, in particular to the acquisition methods of the size of a kind of winding mould and winding mould.
Background technology
At present, in stator is produced, need first enamelled wire (copper cash) to be carried out winding operation by corresponding winding mould, form stator coil, again stator coil is required to be embedded on stator core by coil inserting apparatus to form winding according to technical drawing, finally carry out stator injection moulding to complete the making of whole plastic packaging stator with BMC material.But expose (namely stator enamelled wire has not been expected to encase by BMC) through often there will be winding after stator injection moulding, product fraction defective is higher, and the stator that winding exposes need scrap process, cause very large cost waste.
Summary of the invention
Main purpose of the present invention is the acquisition methods of the size providing a kind of winding mould and winding mould, easily occurs that winding exposes, the problem that product fraction defective is higher during to solve stator injection moulding of the prior art.
To achieve these goals, according to an aspect of the present invention, provide a kind of winding mould, comprise base and be arranged on the coiling main body of base side, the peripheral side of coiling main body and the junction of base form the first base be connected in turn, second base, 3rd base, 4th base, 5th base and the 6th base, first base and the 4th base are parallel to each other, second base is parallel to each other with the 6th base and length is equal, the ratio of the distance between the junction on the second base and the 3rd base and the first base and the distance between the first base and the 4th base is 0.46 to 0.51.
Further, the length on the first base is greater than the length on the 4th base.
Further, between the first base of coiling main body, the second base, the 3rd base, the 4th base, the 5th base and the 6th base, rounding off connects.
Further, there is between the peripheral side of coiling main body and base obtuse angle angle.
Further, winding mould also comprises installation through hole, installs that through hole is through is arranged in base and coiling main body.
According to a further aspect in the invention, provide a kind of acquisition methods of size of winding mould, winding mould comprises base and is arranged on the coiling main body of base side, the peripheral side of coiling main body and the junction of base formed be connected in turn the first base, the second base, the 3rd base, the 4th base, the 5th base and the 6th base; Acquisition methods comprises: determine the distance between the junction on the second base and the 3rd base and the first base according to the axial width of iron core.
Further, determine that the distance between the junction on the second base and the 3rd base and the first base comprises according to the axial width of iron core: obtain the distance between the junction on the second base and the 3rd base and the first base by following formula: L2=D1+2mm; Wherein, L2 is the distance between the junction on the second base and the 3rd base and the first base, and D1 is the axial width of iron core.
Further, acquisition methods also comprises: determine the distance between the second base and the 6th base according to the cross-slot centre-to-centre spacing of iron core.
Further, acquisition methods also comprises: according to the high distance determined between the first base and the 4th base of non-lead end-coil end needed for the axial width of iron core and iron core.
Further, acquisition methods also comprises: determine the distance between the junction on the 3rd base and the 4th base and the 5th base and the 4th base according to the circular arc article width of coil inserting apparatus gun barrel.
Further, acquisition methods also comprises: according to the thickness of the copper factor determination coiling main body of iron core.
Apply technical scheme of the present invention, the ratio of the distance between the junction on the second base and the 3rd base and the first base and the distance between the first base and the 4th base is made to be 0.46 to 0.51, like this can distance between the first base and the 4th base constant time, make the distance between the junction on the second base and the 3rd base and the first base enough little, thus make the distance between the junction on the second base and the 3rd base and the 4th base enough large.Stator coil forms coil bending position in the junction on the second base and the 3rd base, when ensureing that coil does not break, coil inserting apparatus is cut somebody's hair and aims at above-mentioned coil bending position, drive whole stator coil to move to move to opposite side from the side of stator core by promoting this coil bending position, thus coil is imbedded in the groove of stator core.In above process, the non-lead end that coil corresponding to the 3rd base, the 5th base and the 4th base is pushed to stator core forms non-lead end-coil, and the coil corresponding to the second base, the 6th base and the first base then forms lead end coil in the lead-in wire end of stator core.Due to the setting of the geomery of above-mentioned coiling main body, coil corresponding to the 3rd base, the 5th base and the 4th base is more, thus the internal diameter of the non-lead end-coil formed after making embedding stator core is larger, and then occur that coil exposes phenomenon after avoiding stator injection moulding, improve conforming product rate.Meanwhile, when using above-mentioned winding mould to carry out coil winding, need not increase coil girth and also can increase non-lead end-coil internal diameter, more save material, production cost is low.In addition, because the distance between the first base and the 4th base is constant, the length on the first base and the 4th base is constant, and the distance between the junction on the second base and the 3rd base and the first base diminishes, therefore, the angle between the second base and the 3rd base increases.Above-mentioned angle increases can make rule more smooth and easy, thus reduces coil breakage.
Accompanying drawing explanation
The Figure of description forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
The structural representation when stator that Fig. 1 shows prior art coordinates with injection core;
Fig. 2 shows the longitudinal sectional view of the stator of prior art;
Fig. 3 shows the transverse sectional view of the stator core of prior art;
Fig. 4 shows the schematic front view of the embodiment according to winding mould of the present invention;
Fig. 5 shows the schematic side view of the winding mould of Fig. 4;
Fig. 6 shows the schematic top plan view of the winding mould of Fig. 4; And
Fig. 7 shows the structural representation of the winding mould of Fig. 4.
Wherein, above-mentioned accompanying drawing comprises the following drawings mark:
1, iron core; 2, injection core; 3, limited step; 4, lead end coil; 5, non-lead end-coil; 10, base; 20, coiling main body; 21, the first base; 22, the second base; 23, the 3rd base; 24, the 4th base; 25, the 5th base; 26, the 6th base; 30, through hole is installed.
Embodiment
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
In the prior art, in stator is produced, need first enamelled wire (copper cash) to be carried out winding operation by corresponding winding mould, form stator coil, again stator coil is required to be enclosed within line of fall cup, if stator coil is wrongly installed will affect motor performance according to technical drawing.Now, line of fall cup is aimed at the upper end of coil inserting apparatus gun barrel, then stator coil is put into the circular arc bar of vertical setting of coil inserting apparatus gun barrel downwards, take away line of fall cup.After this, then stator core is placed on the upper end of this gun barrel, in order to prevent rule process from slandering line, needs inner side stator core with groove to contact with gun barrel, being set in the upper end of gun barrel by stator core.Press starting switch, coil inserting apparatus is started working.Now, the coil inserting apparatus in coil inserting apparatus gun barrel is cut somebody's hair and can be moved upward along gun barrel, when this arrival stator coil place of cutting somebody's hair can drive this coil to move up in stator core, and stator coil is embedded in the groove of stator core, thus completes stator built-in line.After completing stator built-in line, also need to complete stator manufacture through operations such as polishing, wiring, scolding tin, wiring, shaping, performance test and dipping lacquers again, finally carry out with BMC material the making that stator injection moulding completes whole plastic packaging stator.
At present, it is larger than non-lead end-coil internal diameter that the structure of iron-shell motor and the assembling mode (sheathed from non-lead end when being located on rotor by stator sleeve) of motor determine stator lead end-coil internal diameter, so just can prevent assembling process rotor to damage stator coil.But in plastic packaging stator manufacturing process, only guaranteed stator lead end-coil internal diameter is less than non-lead end-coil internal diameter could meet Shooting Technique requirement, avoids the winding of plastic packaging stator injection molding end cover port (the non-lead end-coil of stator) to expose.Particularly, as shown in Figure 1, the iron core 1 of stator is set in injection core 2, and injection core 2 has the limited step 3 matched with iron core 1, to prevent iron core 1 from moving on the lower surface that this limited step 3 is stuck in iron core 1.Now, the coil on iron core 1 upper surface is lead end coil 4, and the coil on iron core 1 lower surface is non-lead end-coil 5.Because injection moulding is from injection molding end cover port (non-lead end-coil 5 place), can not expose after ensureing the injection moulding of non-lead end-coil 5, need the limited step 3 of empty avoiding injection core 2, this just needs the internal diameter of non-lead end-coil 5 larger than the internal diameter of lead end coil 4.Just cannot empty avoiding limited step 3 if the internal diameter of non-lead end-coil 5 is less than the internal diameter of lead end coil 4, thus after causing injection moulding, the non-lead end-coil 5 of stator exposes.
When using existing winding mould to carry out coiling, the circumference of enamelled wire along the coiling main body of winding mould is wound around, thus forms stator coil.Therefore, the size on each limit of coiling main body determines the shape of coiling main body circumference profile, and the shape of coiling main body circumference profile determines the shape of stator coil.The coiling main body of existing winding mould comprises upper and lower two parts, wherein, upper part has two longitudinal edges be arranged in parallel and the first horizontal edge be connected between these two longitudinal edges, lower part has two hypotenuses be arranged in parallel and the second horizontal edge be connected between these two hypotenuses, and the length of the first horizontal edge is greater than the second horizontal edge.Two longitudinal edges are connected respectively with two hypotenuses, and have angle between longitudinal edge and hypotenuse, and namely stator coil forms coil bending position in the junction of longitudinal edge and hypotenuse.
When carrying out rule to stator coil, in order to ensure that rule process does not break, generally need coil inserting apparatus to cut somebody's hair and aim at above-mentioned coil bending position, drive whole stator coil to move to move to opposite side from the side of stator core by promoting this coil bending position, thus coil is imbedded in the groove of stator core.In above process, the non-lead end that the coil divided corresponding to coiling lower body part is pushed to stator core forms non-lead end-coil, and the coil divided corresponding to coiling body top then forms lead end coil in the lead-in wire end of stator core.If non-lead end-coil internal diameter is enough large after making rule, the non-lead end face of the as far as possible many past stator cores of the coil that coiling lower body part divided just is needed to push away, so, also a segment distance will be pushed ahead by force again after above-mentioned coil bending position shifts position onto, this will make to increase the straight line push-pull effort of coil, thus easily cause coil breakage, coil breakage fraction defective is up to 30%, and stator there will be the phenomenon of stator coil internal diameter resilience after placing, occur naked wire after so also causing injection moulding.Therefore, separate the little method of determinant non-lead end-coil internal diameter in industry and only have by lengthening winding coil girth, thus adjustment coil global design scheme, and raw material can be increased like this, and then increase cost.
To in stator built-in line process, the circular arc bar on coil inserting apparatus gun barrel is used for set winding, and coil inserting apparatus is cut somebody's hair for being advanced in the groove of stator core by the coil on gun barrel circular arc bar.Therefore, ensureing under the prerequisite that rule process does not break (not pushing away coil by force), the internal coil diameter size at stator core two ends depends on that coil imbeds the position of stator core, the position that coil imbeds stator core depends on that coil inserting apparatus is cut somebody's hair position, and coil inserting apparatus is cut somebody's hair, coil bending position is depended in position, and this coil bending position depends on the geomery of the coiling main body of winding mould.
As shown in Figures 4 to 7, the winding mould of the present embodiment comprises winding mould, comprises base 10 and is arranged on the coiling main body 20 of base 10 side.The peripheral side of coiling main body 20 and the junction of base 10 formed be connected in turn the first base 22, base 21, second, the 3rd base 23, the 4th base 24, the 5th base 25 and the 6th base 26.First base 21 and the 4th base 24 are parallel to each other.Second base 22 is parallel to each other with the 6th base 26 and length is equal.The ratio of the distance between the junction on the second base 22 and the 3rd base 23 and the first base 21 and the distance between the first base 21 and the 4th base 24 is 0.46 to 0.51.
The winding mould of application the present embodiment, the ratio of the distance L2 between the junction on the second base 22 and the 3rd base 23 and the first base 21 and the distance L3 between the first base 21 and the 4th base 24 is made to be 0.46 to 0.51, like this can distance L3 between the first base 21 and the 4th base 24 constant time, make the distance between the junction on the second base 22 and the 3rd base 23 and the first base 21 enough little, thus make the distance between the junction on the second base 22 and the 3rd base 23 and the 4th base 24 enough large.Stator coil forms coil bending position in the junction on the second base 22 and the 3rd base 23, when ensureing that coil does not break, coil inserting apparatus is cut somebody's hair and aims at above-mentioned coil bending position, drive whole stator coil to move to move to opposite side from the side of stator core by promoting this coil bending position, thus coil is imbedded in the groove of stator core.In above process, the non-lead end that coil corresponding to the 3rd base 23, the 5th base 25 and the 4th base 24 is pushed to stator core forms non-lead end-coil, and the coil corresponding to the second base 22, the 6th base 26 and the first base 21 then forms lead end coil in the lead-in wire end of stator core.Due to the setting of the geomery of above-mentioned coiling main body 20, coil corresponding to the 3rd base 23, the 5th base 25 and the 4th base 24 is more, thus the internal diameter of the non-lead end-coil formed after making embedding stator core is larger, and then occur that coil exposes phenomenon after avoiding stator injection moulding, improve conforming product rate.Meanwhile, when using above-mentioned winding mould to carry out coil winding, need not increase coil girth and also can increase non-lead end-coil internal diameter, more save material, production cost is low.In addition, because the distance L3 between the first base 21 and the 4th base 24 is constant, the length on the first base 21 and the 4th base 24 is constant, distance between the junction on the second base 22 and the 3rd base 23 and the first base 21 diminishes, therefore, the angle between the second base 22 and the 3rd base 23 increases.Above-mentioned angle increases can make rule more smooth and easy, thus reduces coil breakage.
As shown in Figures 4 to 7, in the winding mould of the present embodiment, the length on the first base 21 is greater than the length on the 4th base 24.Between first base 22, base 21, second of coiling main body 20, the 3rd base 23, the 4th base 24, the 5th base 25 and the 6th base 26, rounding off connects.Between the peripheral side of coiling main body 20 and base 10, there is obtuse angle angle.Said structure make coil winding complete after be more prone to the demoulding.
As shown in figs. 4 and 7, in the winding mould of the present embodiment, winding mould also comprises installs through hole 30, installs that through hole 30 is through is arranged in base 10 and coiling main body 20.When arranging coiling winding on coil winding machine, by above-mentioned installation through hole 30, winding mould can be fixed on coil winding machine.
Present invention also provides a kind of acquisition methods of size of winding mould.Winding mould comprises base 10 and is arranged on the coiling main body 20 of base 10 side, the peripheral side of coiling main body 20 and the junction of base 10 formed be connected in turn the first base 22, base 21, second, the 3rd base 23, the 4th base 24, the 5th base 25 and the 6th base 26.Embodiment according to the acquisition methods of the application comprises:
The distance L2 between the junction on the second base 22 and the 3rd base 23 and the first base 21 is determined according to the axial width D1 of iron core.In the present embodiment, the distance L2 between the junction on the second base 22 and the 3rd base 23 and the first base 21 is obtained by following formula:
L2＝D1+2mm；
Wherein, L2 is the distance between the junction on the second base 22 and the 3rd base 23 and the first base 21, and as shown in Figure 2, D1 is the axial width of iron core 1.
Distance L2 between the junction on above-mentioned second base 22 and the 3rd base 23 and the first base 21 can determine coil bending position, thus determines that coil imbeds the position of stator core, and then determines the internal coil diameter size at stator core two ends.
Above-mentioned L2 size designs according to stator stack thickness, and namely the internal diameter size of the non-lead end-coil of stator and L2 size are inversely proportional to.Only have L2 size enough little, the internal diameter of the non-lead end-coil of stator is just enough large, could ensure, under the prerequisite that rule process can not break, to control the internal diameter of the non-lead end-coil of stator like this.
In the acquisition methods of the present embodiment, acquisition methods also comprises:
Cross-slot centre-to-centre spacing D2 according to iron core determines the distance L1 between the second base 22 and the 6th base 26.In the present embodiment, the distance L1 between the second base 22 and the 6th base 26 is obtained by following formula:
L1＝D2＝2×R×sinθ；
Wherein, L1 is the distance between the second base 22 and the 6th base 26, as shown in Figure 3, D2 is the cross-slot centre-to-centre spacing (quantity of concrete groove is selected as required) of iron core 1, R is the distance (i.e. the internal diameter of iron core 1) of groove to the axis of iron core 1 of iron core 1, and θ is the half (half of the angle namely between the center line of the groove at two ends) of the angle between the cross-slot of iron core 1.
The distance L4 between the junction on the 3rd base 23 and the 4th base 24 and the 5th base 25 and the 4th base 24 is determined according to circular arc article width D 3 (not shown) of coil inserting apparatus gun barrel.In the present embodiment, the distance L4 between the junction on the 3rd base 23 and the 4th base 24 and the 5th base 25 and the 4th base 24 is obtained by following formula:
L4＝D3+(4.8～5.3)mm；
D3＝D4+(1～1.5)mm；
Wherein, L4 is the junction on the 3rd base 23 and the 4th base 24 and the distance between the 5th base 25 and the 4th base 24, D3 is the circular arc bar width of coil inserting apparatus gun barrel, as shown in Figure 2, D4 is the cell wall width (the circular arc bar width of coil inserting apparatus gun barrel be according to the iron core 1 notch groove design of stator) of the iron core 1 of stator.
Non-lead end-coil end height H needed for the axial width D1 of iron core and iron core determines the distance L3 between the first base 21 and the 4th base 24.In the present embodiment, the distance L3 between the first base 21 and the 4th base 24 is obtained by following derivation:
Because L1, L2 and L4 determine all, base perimeter L (i.e. stator coil girth)=L1+L4+2 × L2+2 × (L3-L2)/cos θ=L1+L4+2 × (D1+2mm)+2 × (L3-L2)/cos θ of coiling main body 20;
Wherein, L is the base girth of coiling main body 20, L1 is the distance between the second base 22 and the 6th base 26, L2 is the distance between the junction on the second base 22 and the 3rd base 23 and the first base 21, L3 is the distance between the first base 21 and the 4th base 24, L4 is the junction on the 3rd base 23 and the 4th base 24 and the distance between the 5th base 25 and the 4th base 24, as shown in Figures 2 and 3, D1 is the axial width of iron core 1, θ is the half (extended line on the second base 22 is equal with θ angle with the acute angle between the 3rd base 23) of the angle between the cross-slot of iron core 1.
When the axial width D1 of iron core reduces, the half θ of the angle between the cross-slot of iron core reduces, and the value of cos θ increases.Because the L of the base girth of coiling main body 20 is constant, the value of 2 × (L3-L2)/cos θ is constant, and therefore, the value of L3-L2 increases, and the value of L3 increases.Therefore, between the axial width D1 of the distance L3 iron core between the first base 21 and the 4th base 24 inversely.
In addition, the distance L3 between the first base 21 and the 4th base 24 and proportional between non-lead end-coil end height H (as shown in Figure 2) needed for iron core 1.Value due to L3-L2 determines the winding volume forming non-lead end-coil, and non-lead end-coil end height H is higher, and the distance L3 between the first base 21 and the 4th base 24 is larger.
According to the thickness B (as shown in Figure 5) of the copper factor determination coiling main body 20 of iron core.Because under the prerequisite ensureing motor properties, the thickness B of coiling main body 20 is larger, and its umber of turn (winding turns) is more, and the copper factor of iron core is higher.Therefore, proportional between the copper factor of iron core and the thickness B of coiling main body 20.
In addition, the internal diameter of the non-lead end-coil of stator depends on L3-L2, the internal diameter of stator lead end-coil depends on L2, as shown in Figure 5 and Figure 6, coiling demoulding complexity is decided by have obtuse angle angle C ° between the peripheral side of coiling main body 20 and base 10, L9 is the distance up and down between two top margins of coiling main body 20, L10 is the distance between two, the left and right top margin of coiling main body 20, L9 and L10 is the actual effective dimensions of the coiling main body 20 of winding mould, L5, L6, L7, L8 is the size of the base 10 of winding mould, the thickness of the base 10 that the difference (i.e. A-B) of the gross thickness A of winding mould and the thickness B of coiling main body 20 is winding mould.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (11)
1. a winding mould, comprise base (10) and be arranged on the coiling main body (20) of described base (10) side, it is characterized in that, peripheral side and the junction of described base (10) of described coiling main body (20) form the first base (21) be connected in turn, second base (22), 3rd base (23), 4th base (24), 5th base (25) and the 6th base (26), described first base (21) and described 4th base (24) are parallel to each other, described second base (22) is parallel to each other with described 6th base (26) and length is equal, the ratio of the distance between the junction on described second base (22) and described 3rd base (23) and described first base (21) and the distance between described first base (21) and described 4th base (24) is 0.46 to 0.51.
2. winding mould according to claim 1, is characterized in that, the length of described first base (21) is greater than the length on described 4th base (24).
3. winding mould according to claim 1, it is characterized in that, between described first base (21) of described coiling main body (20), described second base (22), described 3rd base (23), described 4th base (24), described 5th base (25) and described 6th base (26), rounding off connects.
4. winding mould according to claim 1, is characterized in that, has obtuse angle angle between the peripheral side of described coiling main body (20) and described base (10).
5. winding mould according to claim 1, it is characterized in that, described winding mould also comprises installs through hole (30), and described installation through hole (30) is through to be arranged in described base (10) and described coiling main body (20).
6. an acquisition methods for the size of winding mould, is characterized in that,
Described winding mould comprises base (10) and is arranged on the coiling main body (20) of described base (10) side, peripheral side and the junction of described base (10) of described coiling main body (20) formed be connected in turn the first base (21), the second base (22), the 3rd base (23), the 4th base (24), the 5th base (25) and the 6th base (26);
Described acquisition methods comprises:
The distance (L2) between the junction on described second base (22) and described 3rd base (23) and described first base (21) is determined according to the axial width of iron core.
7. acquisition methods according to claim 6, it is characterized in that, determine that the distance (L2) between the junction on described second base (22) and described 3rd base (23) and described first base (21) comprising according to the axial width of iron core:
The distance (L2) between the junction on described second base (22) and described 3rd base (23) and described first base (21) is obtained by following formula:
L2＝D1+2mm；
Wherein, described L2 is the distance between the junction on described second base (22) and described 3rd base (23) and described first base (21), and described D1 is the axial width of described iron core.
8. acquisition methods according to claim 6, is characterized in that, described acquisition methods also comprises:
The distance (L1) between described second base (22) and described 6th base (26) is determined according to the cross-slot centre-to-centre spacing of described iron core.
9. acquisition methods according to claim 6, is characterized in that, described acquisition methods also comprises:
According to the high distance (L3) determined between described first base (21) and described 4th base (24) of non-lead end-coil end needed for the axial width of described iron core and described iron core.
10. acquisition methods according to claim 6, is characterized in that, described acquisition methods also comprises:
The distance (L4) between the junction on described 3rd base (23) and described 4th base (24) and described 5th base (25) and described 4th base (24) is determined according to the circular arc article width of coil inserting apparatus gun barrel.
11. acquisition methods according to claim 6, is characterized in that, described acquisition methods also comprises:
The thickness (B) of described coiling main body (20) is determined according to the copper factor of described iron core.
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| CN201510975796.7A CN105429390B (en) | 2015-12-21 | 2015-12-21 | The acquisition methods of the size of winding mould and winding mould |
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| CN201510975796.7A CN105429390B (en) | 2015-12-21 | 2015-12-21 | The acquisition methods of the size of winding mould and winding mould |
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| CN204424076U (en) * | 2014-12-04 | 2015-06-24 | 中国西电电气股份有限公司 | A kind of easy winding mould |
| CN105047404A (en) * | 2015-08-31 | 2015-11-11 | 重庆望变电气（集团）股份有限公司 | Winding mold for low-voltage winding of dry-type transformer |
| CN205231969U (en) * | 2015-12-21 | 2016-05-11 | 珠海凯邦电机制造有限公司 | Coiling mold |
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| CN204424076U (en) * | 2014-12-04 | 2015-06-24 | 中国西电电气股份有限公司 | A kind of easy winding mould |
| CN105047404A (en) * | 2015-08-31 | 2015-11-11 | 重庆望变电气（集团）股份有限公司 | Winding mold for low-voltage winding of dry-type transformer |
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| CN105429390B (en) | 2017-11-21 |
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