CN103949700A - Self-cooling center driller or self-cooling countersink driller - Google Patents
Self-cooling center driller or self-cooling countersink driller Download PDFInfo
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- CN103949700A CN103949700A CN201310611013.8A CN201310611013A CN103949700A CN 103949700 A CN103949700 A CN 103949700A CN 201310611013 A CN201310611013 A CN 201310611013A CN 103949700 A CN103949700 A CN 103949700A
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- 238000001816 cooling Methods 0.000 title claims abstract description 96
- 238000003754 machining Methods 0.000 claims abstract description 11
- 239000012809 cooling fluid Substances 0.000 claims description 15
- 238000010586 diagram Methods 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000000956 alloy Substances 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 230000020169 heat generation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000080 chela (arthropods) Anatomy 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
- B23B51/0063—Centerdrills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
- B23B51/06—Drills with lubricating or cooling equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
- B23B51/10—Bits for countersinking
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling Tools (AREA)
Abstract
The invention provides a self-cooling center driller or self-cooling countersink driller and mainly relates to a center driller or countersink driller used for machining. The self-cooling center driller or self-cooling countersink driller is characterized in that each spiral bar of the center driller or countersink driller is provided with a cutting blade; a cutting surface is formed along the outer side of the cutting blade; the cutting surface is formed on the front part of the cutting blade facing to a cutting direction; cooling holes or cooling slots are arranged at the axial center and the positions, close to the center of the center driller or countersink driller; the lower ends of the cooling holes or cooling slots are communicated with cooling openings arranged in the grooves on the front part of the cutting surface of the center driller or countersink driller; the upper end of the center driller or countersink driller is communicated with an integrally arranged cooling pipe of a shank of the center driller or countersink driller; a connecting port is arranged on a shank body of the shank or at the front end at the axial center of the shank of the center driller or countersink driller.
Description
Technical field:
The present invention relates to a kind of cooling centre drill or the counterbit of certainly lowering the temperature certainly, should process for drilling machine and pincers worker maintenance from cooling centre drill or the counterbit of certainly lowering the temperature.
Background technology:
At present, the centre drill using in machining or the main cutting edge of counterbit are roughly the single structure utmost point and are not durable, especially in the time boring the higher workpiece of milling hardness, produce a large amount of heat, cause the lower hardness of cutter head, cause the wearing and tearing of cutter head, falling temperature technique just becomes the bottleneck that cutter uses, ordinary skill is difficult to cooling fluid to be directly injected into cutting place, does not reach desirable cooling-down effect.
Summary of the invention:
The present invention proposes in view of the above-mentioned problems, and to provide a kind of cooling centre drill certainly or the counterbit of certainly lowering the temperature as object, this kind of cutter cooling efficiency is high, effectively tool life.
For achieving the above object, the present invention adopts following technical proposals:
From cooling centre drill or the counterbit of certainly lowering the temperature, relate generally to centre drill or counterbit for machining, relate to the various not centre drills with protecting cone, various bands protect the centre drill of cone, various arc centre drills, various centre drills, the various Morse taper shank taper countersinks with interchangeable guide pillar, the staight shank taper countersink of the overall guide pillar of various bands, the various Morse taper shank counterbores with interchangeable guide pillar, the various Mohs staight shank counterbores with interchangeable guide pillar, various staight shank taper countersinks, various taper shank taper countersinks, or other various counterbits, or various centre drills, comprise cutterhead and the shank of tool, cutterhead is provided with multiple cutting blades or cutting cutter hub integratedly, the tooth shape towards cutting direction exterior side of each cutting blade or cutting cutter hub becomes cutting edge, the face towards direction of rotation at cutting edge place is formed as cutting face, the face of the axial forward end rear side in cutting face is formed as rear cutting face, the crossing cutting edge that is formed with in Yu Hou cutting face, cutting face, it is characterized in that: from lowering the temperature centre drill or on the counterbit of lowering the temperature, integratedly, or connect and carry out with forming as one the setting of following technical scheme, at various counterbits, or on the shank of tool of various centre drills, be provided with connector and the exterior of main Cooling Holes through shank of tool axial centre top and near setting, in the time of machining by cooling fluid directly by injecting various counterbits from lower the temperature centre drill or the connector on the counterbit of lowering the temperature, or main Cooling Holes on the shank of tool of various centre drills, main Cooling Holes on the shank of tool inject that cutter head arranges cooling bath or Cooling Holes, last cooling fluid is through various counterbits, or near the cooling vent arranging on the cutting face of various centre drills or cutting edge is injected into various counterbits, or various centre drill cutting place, effectively reduce cutting temperature, hydraulic pressure can directly be released bits again, reduce cutting resistance.
From cooling centre drill or the counterbit of certainly lowering the temperature, relate generally to centre drill or counterbit for machining, relate to the various not centre drills with protecting cone, various bands protect the centre drill of cone, various arc centre drills, various centre drills, the various Morse taper shank taper countersinks with interchangeable guide pillar, the staight shank taper countersink of the overall guide pillar of various bands, the various Morse taper shank counterbores with interchangeable guide pillar, the various Mohs staight shank counterbores with interchangeable guide pillar, various staight shank taper countersinks, various taper shank taper countersinks, or other various counterbits, or various centre drills, comprise cutterhead and the shank of tool, cutterhead is provided with multiple cutting blades or cutting cutter hub integratedly, the tooth shape towards cutting direction exterior side of each cutting blade or cutting cutter hub becomes cutting edge, the face towards direction of rotation at cutting edge place is formed as cutting face, the face of the axial forward end rear side in cutting face is formed as rear cutting face, the crossing cutting edge that is formed with in Yu Hou cutting face, cutting face, it is characterized in that: from lowering the temperature centre drill or on the counterbit of lowering the temperature, integratedly, or connect and carry out with forming as one the setting of following technical scheme, at various counterbits, or on the shank of tool of various centre drills, be provided with connector and the exterior that main Cooling Holes arranges on shank of tool body, in the time of machining by cooling fluid directly by injecting various counterbits from lower the temperature centre drill or the connector on the counterbit of lowering the temperature, or main Cooling Holes on the shank of tool of various centre drills, main Cooling Holes on the shank of tool inject that cutter head arranges cooling bath or Cooling Holes, last cooling fluid is through various counterbits, or near the cooling vent arranging on the cutting face of various centre drills or cutting edge is injected into various counterbits, or various centre drill cutting place, effectively reduce cutting temperature, hydraulic pressure can directly be released bits again, reduce cutting resistance.
Preferably, has the shank of taper shank or staight shank or polyhedron shape structure at least at the shank of tool of described certainly lower the temperature centre drill or the counterbit of certainly lowering the temperature.
Preferably, the outside shank of the shank of tool of described certainly lower the temperature centre drill or the counterbit of certainly lowering the temperature or center, top and near be provided with at least one connector.
Preferably, described from lowering the temperature centre drill or be provided with at least one Cooling Holes or cooling bath on the cutterhead of the counterbit of lowering the temperature.
Preferably, described from lowering the temperature centre drill or be provided with at least one cooling vent on the shank of tool of the counterbit of lowering the temperature.
Preferably, connect cutter tip at the cutting blade of described certainly lower the temperature centre drill or the counterbit of certainly lowering the temperature or the front portion of cutting cutter hub.
Beneficial effect:
Effectively reduce by least one cooling tube arranging the high temperature that cutter produces because of cutting on centre drill or counterbit, reduce cutter Yin Gaowen and reduced cutter hardness, because of the extremely flimsy degree of lower hardness, effectively get rid of the scrap producing after Tool in Cutting, the discharge of scrap has reduced the cutting resistance of cutter, make cutter both keep sharp, extend the service life of cutter, reduced again scrap resistance, improved efficiency, reduce cost, saved resource
Brief description of the drawings, in this accompanying drawing:
Fig. 1 is the schematic diagram of certainly lower the temperature centre drill or the counterbit of certainly lowering the temperature of the first embodiment of the present invention.
Fig. 2, Fig. 3, Fig. 4 is the schematic diagram of certainly lower the temperature centre drill or the counterbit of certainly lowering the temperature of the second embodiment of the present invention.
Fig. 5, Fig. 6, Fig. 7 is the schematic diagram of certainly lower the temperature centre drill or the counterbit of certainly lowering the temperature of the 3rd embodiment of the present invention.
Fig. 8, Fig. 9 is the schematic diagram of certainly lower the temperature centre drill or the counterbit of certainly lowering the temperature of the 4th embodiment of the present invention.
Figure 10, Figure 11 is the schematic diagram of certainly lower the temperature centre drill or the counterbit of certainly lowering the temperature of the 5th embodiment of the present invention.
Figure 12, Figure 13 is the schematic diagram of certainly lower the temperature centre drill or the counterbit of certainly lowering the temperature of the 6th embodiment of the present invention.
Figure 14, Figure 15 is the schematic diagram of certainly lower the temperature centre drill or the counterbit of certainly lowering the temperature of the 7th embodiment of the present invention.
Figure 16, Figure 17 is the schematic diagram of certainly lower the temperature centre drill or the counterbit of certainly lowering the temperature of the 8th embodiment of the present invention.
Figure 18, Figure 19 is the schematic diagram of certainly lower the temperature centre drill or the counterbit of certainly lowering the temperature of the 9th embodiment of the present invention.
Figure 20-Figure 23 be the first-nine embodiment that Cooling Holes is set of the present invention on staight shank or taper shank, Cooling Holes is set from cooling centre drill or from the counterbit of lowering the temperature, and the constitutional diagram of the different structure of connector is set on the top of shank or shank.
detailed description of the invention:
Explain the preferred embodiment from cooling centre drill or the counterbit of certainly lowering the temperature of the present invention below in conjunction with accompanying drawing, in embodiment 1-9 mainly taking generic central bore or the cutter of counterbit on falling temperature technique be set describe as example.
Embodiment 1
As Fig. 1, shown in Figure 20-Figure 23, the first embodiment of the present invention from lower the temperature centre drill or from the counterbit of lowering the temperature at the embodiment with protecting on the centre drill of cone not, relate generally to centre drill or counterbit for machining, comprise cutterhead 1, on cutterhead 1, be provided with integratedly front cutting cone 29 and rear cutting cone 30, between front cutting cone 29 and rear cutting cone 30, be provided with integratedly front cutter hub 31, the rear portion of rear cutting cone 30 is rear cutter hub 32, front cutting cone 29, front cutter hub and rear cutting cone 30 are respectively by multiple cutting blades or cutting cutter hub 2 form integratedly, the tooth shape towards cutting direction exterior side of each cutting blade or cutting cutter hub 2 becomes front cutting edge 14, the face towards direction of rotation at front cutting edge 14 places is formed as cutting face 7, the face of the axial forward end rear side in cutting face 7 is formed as rear cutting face 4, cutting face 7 be formed with main cutting edge 21 crossing with rear cone cutting face 25, the face of the exterior side of front cutting edge 14 and main cutting edge 21 is secondary cutting face 24, rear cone cutting face 25, Figure 11-Figure 12 arranges main Cooling Holes 16 on the taper shank 12 of fluted drill and staight shank 12, the spiral cooling bath 7 arranging on cone cutting face 25 after on the cutterhead that the other end of main Cooling Holes 16 is wholely set with taper shank 12 or staight shank 12 or the cooling tube 8 arranging integratedly in spiral cooling bath 7 communicate, be provided with the connector 17 communicating with outside on the top of handle, Figure 13-Figure 14 is provided with the connector 17 communicating with outside on handle body, on the rear cone cutting face 25 of centre drill or counterbit, at least one cooling bath 13 or Cooling Holes 13 are set, or cooling bench 9 is outputed in the both sides of cooling bath 13, or cooling tube 8 is set in cooling bath 13 integratedly, or on cooling bench 9, arrange integratedly or the helicoid 10 of seam sealing, cooling bath 13 or Cooling Holes 13 or cooling tube 8 or cooling bench 9 be formed with cooling vent 18 crossing with rear cutting face 4, on the top shank 12 of cooling bath 13 or Cooling Holes 13 or cooling bench 9, be provided with the main Cooling Holes 16 communicating with cooling bath 13 or Cooling Holes 13 or cooling tube 8, on the top of shank 12 or handle, be provided with the connector 17 communicating with outside.
By at least one cooling bath 13 or the Cooling Holes 13 that arrange on rear cone cutting face 25, or cooling tube 8 is set in cooling bath 13 effectively reduces the high temperature that cutter produces because of cutting, reduce cutter Yin Gaowen and reduced the damage that cutter hardness causes, effectively get rid of the scrap producing after Tool in Cutting, the discharge of scrap has reduced the cutting resistance of cutter, make cutter both keep sharp, extend the service life of cutter, reduce again scrap resistance, improve efficiency, reduce cost, saved resource.
Prove through using according to said structure, cooling fluid is lowered the temperature to cutter from cutting, effect is considerably beyond from top to the dirty effect that can reach, main cause is that the rotation of cutter one side cutter in the time of cutting has hindered cooling trickling direction, the scrap that cutter cuts on the other hand has also hindered cooling fluid and has effectively arrived cutting place, and there is not above-mentioned defect in the mode of cooling fluid directly being delivered to cutting place by cooling tube, therefore, also can effectively release scrap, reduce the frictional strength of front cutting edge, frictional heat generation is reduced, can also increase the area of dissipation of cutterhead simultaneously, reduce cutterhead temperature, extended cutter life, and in process, keep high strength always.
Embodiment 2
As Fig. 2, Fig. 3, Fig. 2, shown in Figure 20-Figure 23, the embodiment of certainly lower the temperature centre drill or the counterbit of certainly lowering the temperature of the second embodiment of the present invention, on the basis of the first embodiment, present embodiment is that recess sword 20 is set on main cutting edge 21, recess sword 20 extends to form groove 19 to cutting face 7, and the setting of recess sword 20 is applied to band and protects on the centre drill of cone, compares embodiment one and can increase substantially stock-removing efficiency.
Embodiment 3
As Fig. 3, Fig. 4 Fig. 7, shown in Figure 20-Figure 23, the embodiment of certainly lower the temperature centre drill or the counterbit of certainly lowering the temperature of the 3rd embodiment of the present invention, first---on the basis of two embodiments, present embodiment is that above-mentioned technology is applied on arc centre drill, the coming to the same thing of implementation result and embodiment one.
Embodiment 4
As Fig. 8, Fig. 9, shown in Figure 20-Figure 23, the embodiment of certainly lower the temperature centre drill or the counterbit of certainly lowering the temperature of the 4th embodiment of the present invention, first---on the basis of three embodiments, present embodiment is the embodiment that above-mentioned technology is applied to the 90 ° of taper countersinks of Morse taper shank with interchangeable guide pillar, present embodiment comprises cutterhead, cutterhead is provided with multiple cutting blades or cutting cutter hub 2 integratedly, in cutterhead centre, one hole is set, on hole, configure a guide pillar 37, the side of cutterhead arranges a positioning screw hole, through the fixing guide pillar 37 of screw 38, through coming to the same thing of implementation result and embodiment one.
Embodiment 5
As Figure 10, Figure 11, Figure 20-Figure 23 shows, the embodiment of certainly lower the temperature centre drill or the counterbit of certainly lowering the temperature of the 5th embodiment of the present invention, first---on the basis of four embodiments, present embodiment is that above-mentioned technology is applied on the 90 ° of taper countersinks of staight shank with overall guide pillar, present embodiment comprises cutterhead, cutterhead is provided with multiple cutting blades or cutting cutter hub 2 integratedly, in cutterhead centre, one hole is set, on hole, configure a guide pillar 37, cutterhead front end arranges a fixing guide pillar 39 integratedly, through coming to the same thing of implementation result and embodiment one.
Embodiment 6
As Figure 12, Figure 13, shown in Figure 20-Figure 23, the embodiment of certainly lower the temperature centre drill or the counterbit of certainly lowering the temperature of the 5th embodiment of the present invention, first---on the basis of five embodiments, present embodiment comprises cutterhead, cutterhead is provided with multiple cutting blades or cutting cutter hub 2 integratedly, in cutterhead centre, one hole is set, on hole, configure a guide pillar 37, the side of cutterhead arranges a positioning screw hole, through the fixing guide pillar 37 of screw 38, present embodiment is that aforementioned techniques is applied in to the 90 ° of taper countersinks of Morse taper shank with interchangeable guide pillar, coming to the same thing of implementation result and embodiment one.
Embodiment 7
As Figure 14, Figure 15, shown in Figure 20-Figure 23, the embodiment of certainly lower the temperature centre drill or the counterbit of certainly lowering the temperature of the 5th embodiment of the present invention, first---on the basis of six embodiments, present embodiment is that above-mentioned technology is applied in to the embodiment on the Mohs staight shank counterbore with interchangeable guide pillar, present embodiment comprises cutterhead, cutterhead is provided with multiple cutting blades or cutting cutter hub 2 integratedly, in cutterhead centre, one hole is set, on hole, configure a guide pillar 37, cutterhead front end arranges a fixing guide pillar 39 integratedly, through coming to the same thing of implementation result and embodiment one.
Embodiment 8
As Figure 16, Figure 17, shown in Figure 20-Figure 23, the embodiment of certainly lower the temperature centre drill or the counterbit of certainly lowering the temperature of the 8th embodiment of the present invention, first---on the basis of seven embodiments, present embodiment is that above-mentioned technology is applied in to 60 °, 90 °, the 120 ° embodiment on staight shank taper countersink, the coming to the same thing of implementation result and embodiment one.
Embodiment 9
As Figure 18, Figure 19, shown in Figure 20-Figure 23, the embodiment of certainly lower the temperature centre drill or the counterbit of certainly lowering the temperature of the 9th embodiment of the present invention, first---on the basis of eight embodiments, present embodiment is that above-mentioned technology is applied in to 60 °, 90 °, the 120 ° embodiment on taper shank taper countersink, the coming to the same thing of implementation result and embodiment one.
By at least one cooling bath 13 or the Cooling Holes 13 that arrange on rear cone cutting face 25, or cooling tube 8 is set in cooling bath 13 effectively reduces the high temperature that cutter produces because of cutting, reduce cutter Yin Gaowen and reduced the damage that cutter hardness causes, effectively get rid of the scrap producing after Tool in Cutting, the discharge of scrap has reduced the cutting resistance of cutter, make cutter both keep sharp, extend the service life of cutter, reduce again scrap resistance, improve efficiency, reduce cost, saved resource.
Prove through using according to said structure, cooling fluid is lowered the temperature to cutter from cutting, effect is considerably beyond from top to the dirty effect that can reach, main cause is that the rotation of cutter one side cutter in the time of cutting has hindered cooling trickling direction, the scrap that cutter cuts on the other hand has also hindered cooling fluid and has effectively arrived cutting place, and there is not above-mentioned defect in the mode of cooling fluid directly being delivered to cutting place by cooling tube, therefore, also can effectively release scrap, reduce the frictional strength of front cutting edge, frictional heat generation is reduced, reduce cutterhead temperature, extended cutter life, and in process, keep high strength always.
Although be illustrated as example to there is multiple cutting blades or the centre drill of cooling certainly of cutting cutter hub or the counterbit of certainly lowering the temperature above, compound sword technology of the present invention also can be replaced the main body of cutting by the higher alloy cutter head of hardness, both having effectively utilized new invention cutting way makes cutting edge efficiency higher, the advantage that intensity is larger, effectively utilize again the high rigidity of alloy cutter head, the defect of having avoided Integral alloy centre drill or counterbit easily to break, solve workpiece hardness when too high, be difficult to a difficult problem for centering or chamfering, but cutter of the present invention also can have multiple cutting blades or cutting cutter hub, each cutting blade or cutting can adopt on cutter hub as described in the structure of embodiment and the combination of other various ways thereof.
Above-described preferred embodiment is illustrative and not restrictive, and in the situation that not departing from purport of the present invention and essential characteristic, the present invention can also otherwise implement and specialize.
Scope of the present invention is limited by claim, and all distortion in claim limited range all fall within the scope of the present invention.
Claims (6)
1. from cooling centre drill or the counterbit of certainly lowering the temperature, relate generally to centre drill or counterbit for machining, relate to the various not centre drills with protecting cone, various bands protect the centre drill of cone, various arc centre drills, various centre drills, the various Morse taper shank taper countersinks with interchangeable guide pillar, the staight shank taper countersink of the overall guide pillar of various bands, the various Morse taper shank counterbores with interchangeable guide pillar, the various Mohs staight shank counterbores with interchangeable guide pillar, various staight shank taper countersinks, various taper shank taper countersinks, or other various counterbits, or various centre drills, comprise cutterhead and the shank of tool, cutterhead is provided with multiple cutting blades or cutting cutter hub integratedly, the tooth shape towards cutting direction exterior side of each cutting blade or cutting cutter hub becomes cutting edge, the face towards direction of rotation at cutting edge place is formed as cutting face, the face of the axial forward end rear side in cutting face is formed as rear cutting face, the crossing cutting edge that is formed with in Yu Hou cutting face, cutting face, it is characterized in that: from lowering the temperature centre drill or on the counterbit of lowering the temperature, integratedly, or connect and carry out with forming as one the setting of following technical scheme, at various counterbits, or on the shank of tool of various centre drills, be provided with connector and the exterior of cooling tube through shank of tool axial centre top and near setting, in the time of machining by cooling fluid directly by injecting various counterbits from lower the temperature centre drill or the connector on the counterbit of lowering the temperature, or main Cooling Holes on the shank of tool of various centre drills, main Cooling Holes on the shank of tool inject that cutter head arranges cooling bath or Cooling Holes, last cooling fluid is through various counterbits, or near the cooling vent arranging on the cutting face of various centre drills or cutting edge is injected into various counterbits, or various centre drill cutting place, effectively reduce cutting temperature, hydraulic pressure can directly be released bits again, reduce cutting resistance.
2. from cooling centre drill or the counterbit of certainly lowering the temperature, relate generally to centre drill or counterbit for machining, relate to the various not centre drills with protecting cone, various bands protect the centre drill of cone, various arc centre drills, various centre drills, the various Morse taper shank taper countersinks with interchangeable guide pillar, the staight shank taper countersink of the overall guide pillar of various bands, the various Morse taper shank counterbores with interchangeable guide pillar, the various Mohs staight shank counterbores with interchangeable guide pillar, various staight shank taper countersinks, various taper shank taper countersinks, or other various counterbits, or various centre drills, comprise cutterhead and the shank of tool, cutterhead is provided with multiple cutting blades or cutting cutter hub integratedly, the tooth shape towards cutting direction exterior side of each cutting blade or cutting cutter hub becomes cutting edge, the face towards direction of rotation at cutting edge place is formed as cutting face, the face of the axial forward end rear side in cutting face is formed as rear cutting face, the crossing cutting edge that is formed with in Yu Hou cutting face, cutting face, it is characterized in that: from lowering the temperature centre drill or on the counterbit of lowering the temperature, integratedly, or connect and carry out with forming as one the setting of following technical scheme, at various counterbits, or on the shank of tool of various centre drills, be provided with connector and the exterior that main Cooling Holes arranges on shank of tool body, in the time of machining by cooling fluid directly by injecting various counterbits from lower the temperature centre drill or the connector on the counterbit of lowering the temperature, or cooling tube on the shank of tool of various centre drills, main Cooling Holes on the shank of tool inject that cutter head arranges cooling bath or Cooling Holes, last cooling fluid is through various counterbits, or near the cooling vent arranging on the cutting face of various centre drills or cutting edge is injected into various counterbits, or various centre drill cutting place, effectively reduce cutting temperature, hydraulic pressure can directly be released bits again, reduce cutting resistance.
3. as described in as arbitrary in claim 1-2, from cooling centre drill or the counterbit of certainly lowering the temperature, it is characterized in that: the shank that has taper shank or staight shank or polyhedron shape structure at the described shank of tool from cooling centre drill or the counterbit of certainly lowering the temperature at least.
4. as described in as arbitrary in claim 1-2, from cooling centre drill or the counterbit of certainly lowering the temperature, it is characterized in that: the outside shank of the described shank of tool from cooling centre drill or the counterbit of certainly lowering the temperature or center, top and near be provided with at least one connector.
5. as described in as arbitrary in claim 1-2, from cooling centre drill or the counterbit of certainly lowering the temperature, it is characterized in that: described from lowering the temperature centre drill or be provided with at least one Cooling Holes or cooling bath on the cutterhead of the counterbit of lowering the temperature.
6. as described in as arbitrary in claim 1-2, from cooling centre drill or the counterbit of certainly lowering the temperature, it is characterized in that: described from lowering the temperature centre drill or be provided with at least one cooling vent on the shank of tool of the counterbit of lowering the temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310611013.8A CN103949700A (en) | 2013-11-26 | 2013-11-26 | Self-cooling center driller or self-cooling countersink driller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310611013.8A CN103949700A (en) | 2013-11-26 | 2013-11-26 | Self-cooling center driller or self-cooling countersink driller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103949700A true CN103949700A (en) | 2014-07-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310611013.8A Pending CN103949700A (en) | 2013-11-26 | 2013-11-26 | Self-cooling center driller or self-cooling countersink driller |
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| CN (1) | CN103949700A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108262504A (en) * | 2016-12-30 | 2018-07-10 | 李仕清 | A kind of centre drill |
| CN110253055A (en) * | 2019-06-11 | 2019-09-20 | 上海拓璞数控科技股份有限公司 | PCD suitable for processing carbon fibre composite bores ream one compound tool |
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| CN103008737A (en) * | 2012-12-07 | 2013-04-03 | 沈阳航天新光汽车零部件有限公司 | Drilling and reaming combined tool for processing induction manifold of automobile engine |
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| US5174692A (en) * | 1990-10-22 | 1992-12-29 | Aerospatiale Societe Nationale Industrielle | Drilling tool and apparatus with improved swarf removal |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108262504A (en) * | 2016-12-30 | 2018-07-10 | 李仕清 | A kind of centre drill |
| CN110253055A (en) * | 2019-06-11 | 2019-09-20 | 上海拓璞数控科技股份有限公司 | PCD suitable for processing carbon fibre composite bores ream one compound tool |
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Application publication date: 20140730 |