CN104608027A - Processing method and special tool for sintered NdFeB magnet spiral valley tiles - Google Patents
Processing method and special tool for sintered NdFeB magnet spiral valley tiles Download PDFInfo
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- CN104608027A CN104608027A CN201510030855.3A CN201510030855A CN104608027A CN 104608027 A CN104608027 A CN 104608027A CN 201510030855 A CN201510030855 A CN 201510030855A CN 104608027 A CN104608027 A CN 104608027A
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- angle
- chord length
- spiral
- oblique watt
- outer arc
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
- B24B19/14—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding turbine blades, propeller blades or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Hard Magnetic Materials (AREA)
Abstract
The invention relates to a processing method for spiral valley tiles, in particular to a processing method and a special tool for sintered NdFeB magnet spiral valley tiles. The processing method for the sintered NdFeB magnet spiral valley tiles comprises the steps that the outer diameter and the inner diameter of circular rings of the spiral valley tiles are determined according to requirements of users; inner arch chord length and outer arch chord length of an end face angle is calculated according to an end face angle degree; a complement angle of a spiral lead angle is calculated according to a spiral lead angle degree; after an angle degree of a normal angle is determined according to the complement angle of the spiral lead angle and the inner arch chord length and the outer arch chord length of the end face angle, by means of the special tool, the spiral valley tiles are produced, the requirements of the users are met, and the dimensional accuracy of products and the yield are guaranteed; the production cost is reduced, and the safety and the environmental protection are achieved.
Description
Technical field
The present invention relates to the processing method of oblique watt of a kind of spiral, particularly relate to processing method and the special tooling of oblique watt of a kind of Sintered NdFeB magnet spiral.
Background technology
Oblique watt of spiral has various shape, and direction of rotation has two kinds, and be divided into left-handed and dextrorotation, shape is divided into multiple, domesticly at present can only produce spiral watt, does not also find the manufacturer producing oblique watt of spiral.
Summary of the invention
The object of the present invention is to provide processing method and the special tooling of oblique watt of a kind of Sintered NdFeB magnet spiral, the method and frock can produce oblique watt of the spiral that can meet consumers' demand.
The processing method that Sintered NdFeB magnet spiral is oblique watt, method is as follows:
1) require according to user external diameter and the internal diameter of determining spiral oblique watt of annulus;
2) determine end plane angle: require to determine end plane angle according to user, calculate inner arc chord length and the outer arc chord length of end face angle according to end plane angle;
3) determine lead angle, require to determine lead angle degree according to user, calculate the complementary angle of lead angle according to lead angle degree, complementary angle=90 of lead angle °-lead angle;
4) normal angle is determined: the angle determining normal angle according to the complementary angle of lead angle and the inner arc chord length of end face angle and outer arc chord length.
Normal angle defining method is as follows:
1) right angled triangle is made, wherein an acute angle of right angled triangle is identical with the complementary angle angle of lead angle, in the optional position of hypotenuse, determine respectively and the inner arc chord length of end plane angle and the corresponding length L1 of outer arc chord length and L2, with the two-end-point of two of L1 and L2 length values for starting point makes vertical line respectively to base, right angle, calculate the vertical line distance of L1 two-end-point respectively, the vertical line distance of L2 two-end-point;
2) on the concentric circles outer-diameter circular arc of spiral oblique watt of annulus, determine with outer arc chord length L2 to be a, b two ends spacings, the distance of point-to-point transmission, a, b two some lines are the outer arc chord length of normal angle, internal diameter circular arc is determined be c, d two ends spacings with inner arc chord length L1, and c, d 2 lines are the inner arc chord length of normal angle;
3) angle a, c 2 lines and b, d 2 lines formed is normal angle.
A kind of Sintered NdFeB magnet heavy wall spiral oblique watt of processing tool, comprise: wedge base, the key groove α of key groove base is the normal angle of 1/2, oblique watt of outer arc locating piece is provided with above wedge base, the arc-shaped concave of oblique watt of outer arc locating piece is corresponding with annulus outer arc, and the two side of oblique watt of outer arc locating piece is symmetrically installed with limiting plate.
A kind of Sintered NdFeB magnet thin-walled spiral oblique watt of processing tool, comprise: wedge base, the key groove α of wedge base is the normal angle of 1/2, wedge base inclined-plane is respectively equipped with oblique watt of outer arc locating piece and oblique watt of inner arc locating piece, the arc-shaped concave of oblique watt of outer arc locating piece is corresponding with annulus outer arc, and the arc convex of oblique watt of inner arc locating piece is corresponding with annulus inner arc.
The key groove α of described wedge base is for equaling normal angle.
The present invention, on the basis determining normal angle, processes according to special tooling and meets consumers' demand, and ensures product size precision and qualification rate, reduces production cost, safety and environmental protection.
Accompanying drawing explanation
Fig. 1 is spiral of the present invention oblique watt of complementary angle machining state figure;
Fig. 2 is the side view of Fig. 2;
Fig. 3 is spiral of the present invention oblique watt of assembled end figure;
Fig. 4 is spiral of the present invention oblique watt of normal angle calculating chart;
Fig. 5 is spiral of the present invention oblique watt of normal angle measuring and calculating figure;
Fig. 6 is spiral of the present invention oblique watt of normal angle schematic diagram;
Fig. 7 is heavy wall spiral of the present invention oblique watt of processing tool schematic diagram;
Fig. 8 is the top view of Fig. 7;
Fig. 9 is thin-walled spiral of the present invention oblique watt of processing tool schematic diagram.
Detailed description of the invention
The processing method that Sintered NdFeB magnet spiral is oblique watt, first determines the normal angle of oblique watt of spiral, then carries out discharge, processing according to normal angle.
The normal angle defining method of oblique watt of spiral is as follows:
1) first require to determine that the external diameter of spiral oblique watt of annulus is φ 120mm and internal diameter φ 60mm, wall thickness 30mm according to user;
2) end plane angle is determined: the inner arc chord length requiring to determine end face angle to be β be 30 ° and end face angle according to user is 15.53mm and outer arc chord length 31.06mm;
3) determine lead angle, require to determine that lead angle γ is 55 ° according to user, °-55 °=35 °, complementary angle α '=90 of lead angle;
4) normal angle is determined: the angle determining normal angle according to the complementary angle of lead angle and the inner arc chord length of end face angle and outer arc chord length.
Normal angle determination computational methods are as follows:
1) right angled triangle is made, wherein an acute angle of right angled triangle is 35 °, complementary angle α ' the angle of lead angle is identical, in the optional position of hypotenuse, determine respectively and the inner arc chord length 15.53mm of end plane angle and the corresponding length L1 of outer arc chord length 31.06mm and L2, with the two-end-point of two of L1 and L2 length values for starting point makes vertical line respectively to base, right angle, the vertical range measuring L1 two-end-point is respectively the vertical range 25.44mm of 12.57mm, L2 two-end-point;
2) on the concentric circles outer-diameter circular arc of spiral oblique watt of annulus, determine with outer arc chord length L2 to be a, b two ends spacings, the distance of point-to-point transmission, a, b two some lines are the outer arc chord length of normal angle is 25.44mm, internal diameter circular arc is determined be c, d two ends spacings with inner arc chord length L1, and c, d 2 lines are the inner arc chord length 12.57mm of normal angle;
3) angle a, c 2 lines and b, d 2 lines formed is normal angle α is 24.77 °.
Process according to heavy wall spiral oblique watt of processing tool, a kind of Sintered NdFeB magnet heavy wall spiral oblique watt of processing tool, comprise: wedge base 1, the key groove of key groove base 1 is 1/2 α normal angle, oblique watt of outer arc locating piece 2 is provided with above wedge base 1, the arc-shaped concave of oblique watt of outer arc locating piece 2 is corresponding with annulus outer arc, the two side of oblique watt of outer arc locating piece 2 is symmetrically installed with limiting plate 3.
Add man-hour, first the product size provided according to user calculates determines that normal angle is 24.77 °, lead angle γ=55 ° determined by Sintered NdFeB magnet blank, long is 40mm, wide is the parallelogram of 25.44mm, by parallelogram Sintered NdFeB magnet blank through oblique line cutting off machine or Special grinding wheel at manual plain grinding, processing annulus inner arc and annulus outer arc, the Sintered NdFeB magnet blank processed is placed on oblique watt of outer arc locating piece 2, Sintered NdFeB magnet blank annulus outer arc will contact with oblique watt of outer arc locating piece 2 arc-shaped concave place, located by limiting plate 3, carry out plain grinding, the normal angle selecting wedge base 1 is 1/2 α normal angle, by plain grinding, annulus outer arc is made to reach 25.44mm, annulus inner arc reaches 18.35mm, then after the Sintered NdFeB magnet blank after plain grinding being revolved turnback, the normal angle selecting wedge base 1 is α normal angle frock, carry out the plain grinding in another face, the outer arc length of annulus is 25.44mm, annulus inner arc reaches 12.57mm, complete the processing of oblique watt of a heavy wall spiral, other heavy wall spirals oblique watt of processing mode is same as described above.
Claims (5)
1. a processing method for oblique watt of Sintered NdFeB magnet spiral, it is characterized in that, method is as follows,
1) require according to user external diameter and the internal diameter of determining spiral oblique watt of annulus;
2) determine end plane angle: require to determine end plane angle according to user, calculate inner arc chord length and the outer arc chord length of end face angle according to end plane angle;
3) determine lead angle, require to determine lead angle degree according to user, calculate the complementary angle of lead angle according to lead angle degree, complementary angle=90 of lead angle °-lead angle;
4) normal angle is determined: the angle determining normal angle according to the complementary angle of lead angle and the inner arc chord length of end face angle and outer arc chord length.
2. the processing method of oblique watt of a kind of Sintered NdFeB magnet spiral according to claim 1, it is characterized in that, normal angle is determined: 1) make a right angled triangle, wherein an acute angle of right angled triangle is identical with the complementary angle angle of lead angle, in the optional position of hypotenuse, determine respectively and the inner arc chord length of end plane angle and the corresponding length L1 of outer arc chord length and L2, with the two-end-point of two of L1 and L2 length values for starting point makes vertical line respectively to base, right angle, measure the vertical range of L1 two-end-point respectively, the vertical range of L2 two-end-point;
2) on the concentric circles outer-diameter circular arc of spiral oblique watt of annulus, determine with outer arc chord length L2 to be a, b two ends spacings, the distance of point-to-point transmission, a, b two some lines are the outer arc chord length of normal angle, internal diameter circular arc is determined be c, d two ends spacings with inner arc chord length L1, and c, d 2 lines are the inner arc chord length of normal angle;
3) angle a, c 2 lines and b, d 2 lines formed is normal angle.
3. the processing tool of oblique watt of a Sintered NdFeB magnet spiral, comprise: wedge base, it is characterized in that, the key groove α of key groove base is the normal angle of 1/2, oblique watt of outer arc locating piece is provided with above wedge base, the arc-shaped concave of oblique watt of outer arc locating piece is corresponding with annulus outer arc, and the two side of oblique watt of outer arc locating piece is symmetrically installed with limiting plate.
4. the processing tool of oblique watt of a Sintered NdFeB magnet spiral, comprise: wedge base, it is characterized in that, the key groove α of wedge base is the normal angle of 1/2, wedge base inclined-plane is respectively equipped with oblique watt of outer arc locating piece and oblique watt of inner arc locating piece, the arc-shaped concave of oblique watt of outer arc locating piece is corresponding with annulus outer arc, and the arc convex of oblique watt of inner arc locating piece is corresponding with annulus inner arc.
5. the processing tool of oblique watt of a kind of Sintered NdFeB magnet spiral according to claim 3 or 4, is characterized in that, the key groove α of wedge base is for equaling normal angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510030855.3A CN104608027A (en) | 2015-01-22 | 2015-01-22 | Processing method and special tool for sintered NdFeB magnet spiral valley tiles |
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| CN201510030855.3A CN104608027A (en) | 2015-01-22 | 2015-01-22 | Processing method and special tool for sintered NdFeB magnet spiral valley tiles |
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| CN104608027A true CN104608027A (en) | 2015-05-13 |
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| CN201510030855.3A Pending CN104608027A (en) | 2015-01-22 | 2015-01-22 | Processing method and special tool for sintered NdFeB magnet spiral valley tiles |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112951534A (en) * | 2021-02-02 | 2021-06-11 | 包头市金蒙汇磁材料有限责任公司 | Sintered neodymium-iron-boron magnet and preparation method thereof |
-
2015
- 2015-01-22 CN CN201510030855.3A patent/CN104608027A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112951534A (en) * | 2021-02-02 | 2021-06-11 | 包头市金蒙汇磁材料有限责任公司 | Sintered neodymium-iron-boron magnet and preparation method thereof |
| CN112951534B (en) * | 2021-02-02 | 2023-03-24 | 包头市金蒙汇磁材料有限责任公司 | Sintered neodymium-iron-boron magnet and preparation method thereof |
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Application publication date: 20150513 |