CN2902531Y - Turning cutter for roughing cut - Google Patents
Turning cutter for roughing cut Download PDFInfo
- Publication number
- CN2902531Y CN2902531Y CN 200620033277 CN200620033277U CN2902531Y CN 2902531 Y CN2902531 Y CN 2902531Y CN 200620033277 CN200620033277 CN 200620033277 CN 200620033277 U CN200620033277 U CN 200620033277U CN 2902531 Y CN2902531 Y CN 2902531Y
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- Prior art keywords
- cutting edge
- chip
- breaker
- cutting
- transition
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Abstract
The utility model belongs to a primary processing turning blade of a metal cutting tool, which comprises a blade body, a master cutting edge and an auxiliary cutting edge and a transitional cutting edge which are arranged on the edges of upper and the lower end-faces and on the vertexes, zero-degree rake faces, chip-breaker grooves which are provided with anti fraction grooves, convex arc shaped chip-breaker tables and chip-breaker grooves with dip angle bosses which are provided on the transitional cutting edges and behind theirs rake faces, a damp pace group, a master rear face and a auxiliary rear face and a transitional rear face which are provided on the lateral sides of the cutter body, and a damping hole. The utility model is characterized in that the rake faces are zero-degree, the bosses are arranged in the arc chip-breaker grooves behind the rake faces of the transitional cutting edges, the master cutting edge and the auxiliary cutting edge are all provided with a group of concave anti fraction grooves, thereby reducing the master cutting force by 5-10% in comparison with the background technology and having the advantages of low cutting temperature, relatively small abrasion, long durability, and good chip removing effect. The utility model overcomes the defaults of large cutting resistance, high temperature edges and cutting, weak using performance of blades, and short durability and the like.
Description
Technical field
The utility model belongs to the turning processing blade in the metal cutting tool, particularly a kind of indexable turning blade that adopts pottery, carbide alloy global formation and have a plurality of cuttings (work) unit.This blade especially is suitable for the roughing of various materials.
Background technology
Conventional pottery, a plurality of cutting units of carbide alloy band are used for rough machined indexable turning insert, comprise the major and minor cutting edge and the transition cutting edge thereof that are positioned on the upper and lower end face rib of cutter blade, the rake face of band negative rake, chip-breaker and be positioned at each transition cutting edge after the chip breaker at chip-breaker rear portion, clamping platform group; Be positioned at the major and minor back and the transition back of each side of cutter blade, and the clamping hole of being located at the cutter blade axle center.Though it is less that this type of blade has volume, hardness and edge strength height, wearability are good, and it is many and characteristics such as can use by turns to can be used for the working cell of roughing cutting.But because the rake face behind each major and minor cutting edge, transition cutting edge is a negative rake, thereby exists cutting resistance big, smear metal and cutting edge portion temperature height, thus reduced defectives such as the serviceability of blade and service life.
Summary of the invention
The purpose of this utility model is to improve a kind of roughing turning insert of design, is guaranteeing to reduce the operating temperature that blade cut adds the cutting force and the cutting edge in man-hour on the basis of cutting edge strength, and the service life of raising blade is to satisfy purpose such as roughing requirement.
Solution of the present utility model is to set up a boss with angle in the arc chip-breaker behind the rake face of transition cutting edge on the basis of background technology, to strengthen the cutting edge strength in the working angles, meanwhile in chip-breaker, set up one group of anti-attrition groove, to solve the problem that increases because of the caused main cutting force of setting up of boss and to reduce main cutting force and the cutting edge temperature, the main cutting force of the more conventional roughing blade of its main cutting force reduces about 5～10%, guarantee the holding capacity and the intensity of blade cutting edge, prolong the service life of blade effectively.Therefore, the utility model comprises cutter blade and is positioned at major and minor cutting edge and transition cutting edge on each rib of upper and lower end face and the summit, rake face, chip-breaker and be located at each transition cutting edge after the chip breaker at chip-breaker rear portion, clamping platform group, be positioned at the major and minor back and the transition back of each side of cutter blade, be located at the clamping hole in cutter blade axle center; Key is to set up a boss with angle in the arc chip-breaker behind the rake face of transition cutting edge, is equipped with one group of spill anti-attrition groove in the chip-breaker behind each major and minor cutting edge simultaneously; The anterior angle of each rake face is zero angle, and each major and minor back and transition back are all vertical with corresponding rake face; Each chip breaker then is a convex inclined-plane chip breaker; Each cutting unit is by suppressing, sinter into a monolithic devices cutter blade.
Above-mentioned cutter blade shaft section is a square, and be provided with the sheet blade of 8 cutting units, last, rib length as cutting edge on the lower surface is 15～27mm, wherein transition cutting edge radius is R0.8～2.4mm, wide 0.30～the 0.50mm of rake face, corresponding main, chip-breaker groove width 2.45～the 2.8mm of front cutting edge, dark 0.1～0.25mm, in chip-breaker corresponding to the master of each cutting unit, the quantity of the anti-attrition groove that front cutting edge is set is 2～9, each anti-attrition groove is 0.5～3mm at interval, and corresponding to the radially wide 1.1～1.6mm of the chip-breaker of transition cutting edge, dark 0.1～0.15mm; Boss inclination angle behind the rake face behind each transition cutting edge is 5 °～20 °, and the segment angle radius is R0.5-2mm.And comprise chip-breaker front, bottom surface and retaining bits face corresponding to the chip-breaker of each major and minor cutting edge, the chip-breaker front is the arc surface of radius R 0.2～5mm, this arc surface and rake face angle are that 154 °～168 °, the wide 0.7～1.5mm in bottom surface, rear portion retaining bits face are that inclined-plane, angle are 60 °～80 °, wide 1.0～1.4mm, then the width with chip-breaker front and base plane is identical for anti-attrition groove width 0.2～1.2mm, dark 0.02～0.15mm, length in it, and is 70 °～90 ° angles with major and minor cutting edge.In order further to improve the service life of blade, each cutting edge cutting edge is the circular arc cutting edge of radius R 0.02-0.06.
The utility model has strengthened the cutting edge strength in the working angles owing to set up a boss with angle in the arc chip-breaker behind the rake face of transition cutting edge on the basis of background technology; In chip-breaker, set up one group of anti-attrition groove, solve the problem that increases because of the caused main cutting force of setting up of boss and reduced main cutting force and the temperature during cutting edge work, the main cutting force of the more conventional roughing blade of its main cutting force reduces about 5～10%, guarantee the holding capacity and the intensity of blade cutting edge, prolonged the service life of blade effectively.
Description of drawings
Fig. 1 is the utility model structural representation (axonometric drawing);
Fig. 2 is A-A view (enlarged drawing);
Fig. 3 is B-B view (enlarged drawing).
Among the figure: 1-1. main cutting edge, 1-2. front cutting edge, 1-3. transition cutting edge, 2. rake face, 3-1. major flank, 3-2. minor flank, 3-3. transition back, 4. chip-breaker, 4-1. chip-breaker front, 4-2. chip-breaker baseplane, 4-3. retaining bits face, 5. chip-breaker, 5-1. boss, 5-2. chip breaker, 6. anti-attrition groove, 7. clamping platform, 8. clamping hole.
The specific embodiment
Present embodiment serves as that square and the sheet blade that is provided with 8 cutting units are example with blade axon section: blade shaft is to high 6.4mm, wide 15.875mm, each transition cutting edge 1-3 rounded cutting edge radius R1.6mm, the boss 5-1 inclination angle behind the rake face is 8 °, the segment angle radius is R 1.2mm.Last, rib length as cutting edge on the lower surface is 15.875mm, rake face 2 wide 0.4mm, corresponding main, front cutting edge 1-1, chip-breaker 4 wide 2.45～2.8mm of 1-2, dark 0.15mm, wherein chip-breaker front 4-1 is the arc surface of radius 1mm, 160 ° of this arc surface and rake face angles, wide 0.9～the 1.35mm of bottom surface 4-2, rear portion retaining bits face 4-3 is the inclined-plane, angle is 68 °, wide 0.69mm, in chip-breaker 4 corresponding to the master of each cutting unit, the quantity of the anti-attrition groove 6 that front cutting edge is set is 8, interval 1.5mm, each anti-attrition groove width 0.2～0.8mm, dark 0.05mm, the length then width with chip-breaker front and base plane is identical, and with the master, front cutting edge 1-1,1-2 is 82 ° of angles.And corresponding to the radially wide 2.6mm of the chip-breaker 5 of transition cutting edge 1-3, dark 0.1mm.
Claims (4)
1, a kind of roughing turning insert, comprise cutter blade and be positioned at major and minor cutting edge and transition cutting edge on each rib of upper and lower end face and the summit, rake face, chip-breaker and be located at each transition cutting edge after the chip breaker at chip-breaker rear portion, clamping platform group, be positioned at the major and minor back and the transition back of each side of cutter blade, be located at the clamping hole in cutter blade axle center; It is characterized in that: set up a boss with angle in the arc chip-breaker behind the rake face of transition cutting edge, be equipped with one group of spill anti-attrition groove in the chip-breaker behind each major and minor cutting edge simultaneously; The anterior angle of each rake face is zero angle, and each major and minor back and transition back are all vertical with corresponding rake face; Each chip breaker then is a convex inclined-plane chip breaker; Each cutting unit is by suppressing, sinter into a monolithic devices cutter blade.
2, by the described turning blade of claim 1, it is characterized in that: the shaft section of described cutter blade is a square, and be provided with the sheet blade of 8 cutting units, last, rib length as cutting edge on the lower surface is 15～27mm, wherein transition cutting edge radius is R0.8～2.4mm, wide 0.30～the 0.50mm of rake face, corresponding main, chip-breaker groove width 2.45～the 2.8mm of front cutting edge, dark 0.1～0.25mm, in chip-breaker corresponding to the master of each cutting unit, the quantity of the anti-attrition groove that front cutting edge is set is 2～9, each anti-attrition groove is 0.5～3mm at interval, and corresponding to the radially wide 1.1～1.6mm of the chip-breaker of transition cutting edge, dark 0.1～0.15mm, boss inclination angle behind the rake face of each transition cutting edge is 5 °～20 °, and the segment angle radius is R0.5-2mm.
3, by claim 1 or 2 described turning blades, it is characterized in that: main corresponding to each, the chip-breaker of front cutting edge comprises the chip-breaker front, bottom surface and retaining bits face, radius surface is the arc surface of R0.2～5mm before the chip-breaker, 154 °～168 ° of this arc surface and rake face angles, wide 0.7～the 1.5mm in bottom surface, rear portion retaining bits face is the inclined-plane, angle is 60 °～80 °, wide 1.0～1.4mm, anti-attrition groove width 0.2～1.2mm in it, dark 0.02～0.15mm, the length then width with chip-breaker front and base plane is identical, and with the master, front cutting edge is 70 °～90 ° angles.
4, by claim 1 or 2 described turning blades, it is characterized in that: each cutting edge cutting edge is the circular arc cutting edge of radius R 0.02-0.06.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620033277 CN2902531Y (en) | 2006-03-03 | 2006-03-03 | Turning cutter for roughing cut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620033277 CN2902531Y (en) | 2006-03-03 | 2006-03-03 | Turning cutter for roughing cut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2902531Y true CN2902531Y (en) | 2007-05-23 |
Family
ID=38077934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620033277 Expired - Lifetime CN2902531Y (en) | 2006-03-03 | 2006-03-03 | Turning cutter for roughing cut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2902531Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101870017A (en) * | 2010-06-30 | 2010-10-27 | 株洲钻石切削刀具股份有限公司 | Indexable threading insert |
| CN102458736A (en) * | 2009-06-24 | 2012-05-16 | 株式会社钨钛合金 | Cutting insert |
-
2006
- 2006-03-03 CN CN 200620033277 patent/CN2902531Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102458736A (en) * | 2009-06-24 | 2012-05-16 | 株式会社钨钛合金 | Cutting insert |
| CN101870017A (en) * | 2010-06-30 | 2010-10-27 | 株洲钻石切削刀具股份有限公司 | Indexable threading insert |
| CN101870017B (en) * | 2010-06-30 | 2012-09-05 | 株洲钻石切削刀具股份有限公司 | Indexable threading insert |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070523 |
|
| EXPY | Termination of patent right or utility model |