US20060029479A1 - Tool holder assembly - Google Patents
Tool holder assembly Download PDFInfo
- Publication number
- US20060029479A1 US20060029479A1 US10/710,787 US71078704A US2006029479A1 US 20060029479 A1 US20060029479 A1 US 20060029479A1 US 71078704 A US71078704 A US 71078704A US 2006029479 A1 US2006029479 A1 US 2006029479A1
- Authority
- US
- United States
- Prior art keywords
- tool
- tool holder
- fluid passage
- holder assembly
- fluid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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Images
Classifications
-
- 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
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
- B23B31/117—Retention by friction only, e.g. using springs, resilient sleeves, tapers
- B23B31/1179—Retention by friction only, e.g. using springs, resilient sleeves, tapers using heating and cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
- B23B51/12—Adapters for drills or chucks; Tapered sleeves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/10—Arrangements for cooling or lubricating tools or work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2250/00—Compensating adverse effects during turning, boring or drilling
- B23B2250/12—Cooling and lubrication
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2260/00—Details of constructional elements
- B23B2260/126—Seals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2260/00—Details of constructional elements
- B23B2260/136—Springs
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T279/00—Chucks or sockets
- Y10T279/17—Socket type
- Y10T279/17111—Fluid-conduit drill holding
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T408/00—Cutting by use of rotating axially moving tool
- Y10T408/44—Cutting by use of rotating axially moving tool with means to apply transient, fluent medium to work or product
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T408/00—Cutting by use of rotating axially moving tool
- Y10T408/44—Cutting by use of rotating axially moving tool with means to apply transient, fluent medium to work or product
- Y10T408/45—Cutting by use of rotating axially moving tool with means to apply transient, fluent medium to work or product including Tool with duct
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T409/00—Gear cutting, milling, or planing
- Y10T409/30—Milling
- Y10T409/303976—Milling with means to control temperature or lubricate
- Y10T409/304032—Cutter or work
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T409/00—Gear cutting, milling, or planing
- Y10T409/30—Milling
- Y10T409/30952—Milling with cutter holder
Definitions
- the present invention relates to a tool holder assembly, and more particularly to a tool holder assembly incorporating an adapter configured to deliver a fluid to a cutting tool.
- drill chucks incorporated a fluid supply hole adapted to receive a straight shank of an oil-through-drill, as described in U.S. Pat. No. 5,649,714.
- a seal block was positioned in the fluid supply hole to regulate fluid flow into a fluid channel of the oil-through-drill and into a gap portion between the fluid supply hole and the straight shank portion.
- Such drill chucks did not address the desirability of gap-free sealing between a cutting tool and an adapter to inhibit fluid leakage and improve tool life.
- Such drill chucks were not configured for use with a minimum quantity lubrication (MQL) machining system in which very limited amounts of lubricant are provided at high pressure to the cutting surfaces of the cutting tool to sustain the machining process.
- MQL minimum quantity lubrication
- such chucks did not incorporate adjustment screws to facilitate the axial positioning of the cutting tool.
- the internal fluid passage may include a chamfer disposed proximate the tool receiving portion that is adapted to direct fluid to the fluid passage.
- the adapter may include a first internal fluid passage disposed in the body portion and a second and third internal fluid passages disposed in the tool receiving portion proximate the first internal fluid passage.
- the counterbore may include a bottom surface.
- a spring may be disposed between the tool receiving portion and the bottom surface for biasing the adapter against the end portion.
- a tool holder assembly includes a cutting tool, a tool holder, an adapter, and a spring.
- the cutting tool includes a main portion, an end portion, and a fluid passage.
- the main portion has a first diameter.
- the end portion has a second diameter.
- the fluid passage is disposed in the main and end portions.
- the tool holder is configured to rotate about an axis of rotation and includes a conduit and a counterbore.
- the counterbore is adapted to receive the cutting tool and has a bottom surface.
- the adapter includes a tool receiving portion, a body portion, and an internal fluid passage.
- the tool receiving portion is configured to receive the end portion.
- the body portion is disposed proximate the tool receiving portion and is adapted to engage the conduit.
- the internal fluid passage is defined by the tool receiving and body portions and is adapted to provide a fluid from the conduit to the fluid passage.
- the spring is configured to bias the adapter against the cutting tool to inhibit fluid leakage.
- the adapter may be configured to flex about the axis of rotation to facilitate insertion of the adapter into the conduit.
- a tool holder assembly includes a cutting tool and a tool holder.
- the cutting tool includes a main portion and an adapter portion.
- the main portion has a first diameter and a first fluid passage.
- the adapter portion is disposed proximate the main portion and has a second diameter and a second fluid passage disposed coaxially with an axis of rotation and connected to the first fluid passage.
- the tool holder includes a conduit and a counterbore.
- the conduit is adapted to receive the adapter portion and provide a fluid to the second fluid passage.
- the counterbore is adapted to receive the cutting tool and is axially aligned with the conduit.
- FIG. 1 is a section view of a first embodiment of a tool holder assembly.
- FIG. 3 is a section view of a third embodiment of the tool holder assembly.
- FIG. 4 is a section view of a fourth embodiment of the tool holder assembly.
- the tool holder assembly 10 includes a cutting tool 12 , a tool holder 14 , and an adapter 16 .
- the cutting tool 12 includes a shank or main portion 20 , an end portion 22 , one or more cutting surfaces 24 , and one or more fluid passages 26 .
- the cutting tool 12 may have any suitable configuration and may be of any suitable type, such as a chamfer tool, counterbore, drill, mill, reamer, or tap.
- the fluid passages 26 extend through the cutting tool 12 and are configured to provide a fluid proximate the cutting surface 24 .
- the fluid passages 26 may have any suitable configuration. In the embodiment shown in FIG. 1 , the fluid passages 26 are aligned generally parallel to and spaced apart from an axis of rotation 28 .
- the tool holder 14 is configured to hold the cutting tool 12 and rotate about the axis of rotation 28 . More specifically, the tool holder 14 is configured to be connected to a spindle or other suitable device that is adapted to rotate the tool holder 14 .
- the tool holder 14 may be of any suitable type, such as shrink fit holder or chuck. Also, the tool holder 14 may be made of any suitable material, such as a polymeric material or a metal.
- the tool holder 14 includes a counterbore 30 and a conduit 32 .
- the counterbore 30 is adapted to receive the cutting tool 12 and includes a bottom surface 34 .
- the counterbore 30 may have any suitable configuration for receiving and holding the cutting tool 12 .
- the cutting tool 12 may be secured to the tool holder 14 in any suitable manner, such as with one or more set screws as is known by those skilled in the art.
- the conduit 32 is adapted to provide a fluid to the cutting tool 12 .
- the conduit 32 may be connected to a fluid supply pipe or fluid source that is adapted to provide any suitable fluid, such as a coolant or lubricant in the form of an aerosol, gas, or liquid.
- the conduit 32 may have any suitable configuration.
- the conduit 32 may be integrally formed with the tool holder 14 , may be a separate component attached to and extending through the tool holder 14 , or may be defined by a combination of integrally formed tool holder surfaces and separate components.
- the conduit 32 includes a narrow portion 36 of the tool holder 14 and a pipe 38 coupled to the tool holder 14 with a fastener 40 .
- the conduit 32 may be disposed concentrically with the axis of rotation 28 and may have a smaller inside diameter than the counterbore 30 .
- the adapter 16 includes a body portion 50 and a tool receiving portion 52 .
- the adapter 16 is configured to receive the end portion 22 to inhibit fluid leakage and help position the cutting tool 12 .
- the adapter 16 may be made of any suitable material, such as a polymeric material or a metal.
- the body portion 50 and the tool receiving portion 52 cooperate to define an internal fluid passage 54 .
- the internal fluid passage 54 may be disposed coaxially with the conduit 32 .
- the body portion 50 is adapted to engage the conduit 32 . More specifically, the body portion 40 may be configured to attach to or seal against the inside of the conduit 32 to inhibit fluid leakage.
- the body portion 50 may have any suitable configuration. In the embodiment shown in FIG. 1 , the body portion 50 includes a first section 56 disposed proximate the pipe 38 and a second section 58 disposed proximate the narrow portion 36 . Alternatively, the second section 58 may be omitted and the first section 56 may extend from the bottom surface of the tool receiving portion 52 . Optionally, the first or second sections 56 , 58 may have a threaded portion disposed on an exterior surface.
- the tool receiving portion 52 may include a socket or recess 60 adapted to receive the cutting tool 12 . More specifically, the recess 60 may have a similar configuration as the end portion 22 . Optionally, the recess 60 may have a larger outside diameter than the body portion 50 to help position the adapter 16 within the counterbore 30 .
- the adapter 16 may include a chamfer 62 disposed in the recess 60 proximate the internal fluid passage 54 to improve fluid flow and fluid distribution to the fluid passages 26 . More particularly, the chamfer 62 and centrifugal forces present when the tool holder assembly 10 is rotated cooperate to direct fluid from the internal fluid passage 54 outward to the fluid passages 26 .
- a seal 70 may be disposed between the tool receiving portion 52 and the end portion 22 to further inhibit fluid leakage.
- the seal 70 may have any suitable configuration.
- the seal 70 is at least partially disposed in a groove located on the end portion 22 or the tool receiving portion 52 .
- adapters having different configurations may be associated with each type or size of cutting tool.
- adapters wherein the first and/or second sections 56 , 58 have different geometries or cross-sections for each tool may be employed to help insure that the correct adapter is used with a particular cutting tool.
- the tool holder assembly 100 includes a cutting tool 112 and a tool holder 114 having an integral adapter portion 116 .
- the cutting tool 112 includes a main portion 120 , one or more cutting surfaces 124 , one or more fluid passages 126 , and may be rotatable about an axis of rotation 128 as previously described.
- the tool holder 114 includes a counterbore 130 and a conduit 132 .
- the counterbore 130 has a bottom surface 134 .
- the conduit 132 may have any suitable configuration and may include a narrow portion 136 and/or a pipe 138 coupled to the tool holder 114 with a fastener 140 as previously described.
- the adapter portion 116 includes an internal fluid passage 154 .
- the internal fluid passage 154 also extends partially into the main portion 120 .
- the adapter portion 116 may also have a first section 156 disposed proximate the pipe 138 and a second section 158 disposed proximate the narrow portion 136 .
- a chamber 160 may connect the internal fluid passage 154 and the tool fluid passages 126 .
- the chamber 160 may include a tapered surface or chamfer 162 to improve flow and distribution to the fluid passages 126 as previously described.
- the tool holder assembly 200 includes a cutting tool 212 , a tool holder 214 , and an adapter 216 .
- the cutting tool 212 may include a main portion 220 , one or more cutting surfaces 224 , a plurality of fluid passages 226 , and may be rotatable about an axis of rotation 228 as previously described.
- the tool holder 214 includes a counterbore 230 and a conduit 232 .
- the counterbore 230 has a bottom surface 234 .
- the conduit 232 may have any suitable configuration and may include a narrow portion 236 and/or a pipe 238 coupled to the tool holder 214 with a fastener 240 as previously described.
- the adapter 216 may include a body portion 250 and a tool receiving portion 252 , as previously described.
- the body portion 250 may also include a first internal fluid passage 254 , a first section 256 disposed proximate the pipe 238 and a second section 258 disposed proximate the narrow portion 236 .
- the tool receiving portion 252 includes a plurality of additional fluid passages.
- the tool receiving portion 252 includes second and third internal fluid passages 260 , 262 connected to the first internal passage 254 and to different tool fluid passage 226 .
- the first and/or second internal fluid passages 260 , 262 may be angled or include a curved or tapered surface to improve fluid flow and distribution to the tool fluid passages 226 .
- the tool holder assembly 300 includes a cutting tool 312 , a tool holder 314 , an adapter 316 , and a spring 318 .
- the cutting tool 312 may include a main portion 320 , an end portion 322 , one or more cutting surfaces 324 , one or more fluid passages 326 , and may be rotatable about an axis of rotation 328 as previously described.
- the tool holder 314 includes a counterbore 330 and a conduit 332 .
- the counterbore 330 has a bottom surface 334 .
- the conduit 332 may include a narrow portion 336 and/or a pipe 338 coupled to the tool holder 314 with a fastener 340 .
- the adapter 316 may include a body portion 350 , a tool receiving portion 352 , and an internal fluid passage 354 , a first section 356 , a second section 358 , a recess 360 , and a chamfer 362 as previously described.
- the spring 318 is adapted to engage the tool receiving portion 352 and the bottom surface 340 to bias the adapter 316 into engagement with the end portion 322 to position the tool and inhibit fluid leakage.
- the tool holder assemblies 10 , 100 , 200 , 300 described above may be employed with any suitable machining process or fluid delivery system.
- the tool holder assemblies 10 , 100 , 200 , 300 may be used with a minimum quantity lubrication (MQL) system.
- MQL minimum quantity lubrication
- a pressurized lubricating fluid such as an oil mist
- Fluid delivery is controlled to provide just enough lubrication to sustain the machining process.
- gap-free sealing between the cutting tool 12 , 112 , 212 , 312 and the adapter 16 , 216 , 316 or conduit to inhibit fluid leakage and improve tool life.
- Providing gap-free sealing without manual intervention or manual adjustments to a tool positioning screw is desirable to help insure quality of the finished part.
- gap-free sealing without manual adjustments is desirable in processes that “reuse” tools by regrinding or resharpening cutting surfaces and thereby alter the tool length.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Auxiliary Devices For Machine Tools (AREA)
Abstract
A tool holder assembly including a cutting tool, a tool holder, and an adapter. The cutting tool includes a fluid passage and an end portion. The tool holder includes a conduit and a counterbore adapted to receive the cutting tool. The adapter includes a tool receiving portion configured to receive the end portion and an internal fluid passage adapted to provide a fluid from the conduit to the fluid passage.
Description
- 1. Field of the Invention
- The present invention relates to a tool holder assembly, and more particularly to a tool holder assembly incorporating an adapter configured to deliver a fluid to a cutting tool.
- 2. Background Art
- Previously, drill chucks incorporated a fluid supply hole adapted to receive a straight shank of an oil-through-drill, as described in U.S. Pat. No. 5,649,714. In that patent, a seal block was positioned in the fluid supply hole to regulate fluid flow into a fluid channel of the oil-through-drill and into a gap portion between the fluid supply hole and the straight shank portion. Such drill chucks did not address the desirability of gap-free sealing between a cutting tool and an adapter to inhibit fluid leakage and improve tool life. Moreover, such drill chucks were not configured for use with a minimum quantity lubrication (MQL) machining system in which very limited amounts of lubricant are provided at high pressure to the cutting surfaces of the cutting tool to sustain the machining process. In addition, such chucks did not incorporate adjustment screws to facilitate the axial positioning of the cutting tool.
- Before Applicants' invention, there was a need for a tool holder assembly that was compatible with an MQL machining system and facilitated the supply of pressurized fluid to the cutting surfaces of a cutting tool while inhibiting fluid leakage. In addition, there was a need to incorporate the functionality of an adjustment screw to accurately position the cutting tool without the need to manufacture, position, and install a separate adjustment screw component. Problems associated with the prior art as noted above and other problems are addressed by Applicants' invention as summarized below.
- According to one aspect of the present invention, a tool holder assembly is provided. The tool holder assembly includes a cutting tool, a tool holder, and an adapter. The cutting tool includes a main portion, an end portion, and a fluid passage. The main portion has a first diameter. The end portion has a second diameter and is disposed proximate the main portion. The fluid passage is disposed in the main and end portions. The tool holder includes a conduit and a counterbore. The counterbore is adapted to receive the cutting tool and is axially aligned with the conduit. The adapter includes a tool receiving portion, a body portion, and an internal fluid passage. The tool receiving portion is configured to receive the end portion. The body portion is disposed proximate the tool receiving portion and is adapted to engage the conduit. The internal fluid passage is defined by the tool receiving and body portions and is adapted to provide a fluid from the conduit to the fluid passage.
- The internal fluid passage may include a chamfer disposed proximate the tool receiving portion that is adapted to direct fluid to the fluid passage.
- The adapter may include a first internal fluid passage disposed in the body portion and a second and third internal fluid passages disposed in the tool receiving portion proximate the first internal fluid passage.
- The counterbore may include a bottom surface. A spring may be disposed between the tool receiving portion and the bottom surface for biasing the adapter against the end portion.
- A seal may be disposed between the end portion and the tool receiving portion for inhibiting fluid leakage.
- According to another aspect of the present invention, a tool holder assembly is provided. The tool holder assembly includes a cutting tool, a tool holder, an adapter, and a spring. The cutting tool includes a main portion, an end portion, and a fluid passage. The main portion has a first diameter. The end portion has a second diameter. The fluid passage is disposed in the main and end portions. The tool holder is configured to rotate about an axis of rotation and includes a conduit and a counterbore. The counterbore is adapted to receive the cutting tool and has a bottom surface. The adapter includes a tool receiving portion, a body portion, and an internal fluid passage. The tool receiving portion is configured to receive the end portion. The body portion is disposed proximate the tool receiving portion and is adapted to engage the conduit. The internal fluid passage is defined by the tool receiving and body portions and is adapted to provide a fluid from the conduit to the fluid passage. The spring is configured to bias the adapter against the cutting tool to inhibit fluid leakage.
- The adapter may be configured to flex about the axis of rotation to facilitate insertion of the adapter into the conduit.
- According to another aspect of the present invention, a tool holder assembly is provided. The tool holder assembly includes a cutting tool and a tool holder. The cutting tool includes a main portion and an adapter portion. The main portion has a first diameter and a first fluid passage. The adapter portion is disposed proximate the main portion and has a second diameter and a second fluid passage disposed coaxially with an axis of rotation and connected to the first fluid passage. The tool holder includes a conduit and a counterbore. The conduit is adapted to receive the adapter portion and provide a fluid to the second fluid passage. The counterbore is adapted to receive the cutting tool and is axially aligned with the conduit.
-
FIG. 1 is a section view of a first embodiment of a tool holder assembly. -
FIG. 2 is a section view of a second embodiment of the tool holder assembly. -
FIG. 3 is a section view of a third embodiment of the tool holder assembly. -
FIG. 4 is a section view of a fourth embodiment of the tool holder assembly. - Referring to
FIG. 1 , one embodiment of atool holder assembly 10 is shown. In this embodiment, thetool holder assembly 10 includes acutting tool 12, atool holder 14, and anadapter 16. - The
cutting tool 12 includes a shank ormain portion 20, anend portion 22, one ormore cutting surfaces 24, and one ormore fluid passages 26. The cuttingtool 12 may have any suitable configuration and may be of any suitable type, such as a chamfer tool, counterbore, drill, mill, reamer, or tap. - The
end portion 22 is disposed proximate themain portion 20. Theend portion 22 may have any suitable configuration for mating with theadapter 16. In the embodiment shown inFIG. 1 , theend portion 22 has a male configuration and a smaller diameter than themain portion 20. In addition, theend portion 22 may have a generally planar, contoured, or chamfered end surface that helps position or center the cuttingtool 12. - The
fluid passages 26 extend through the cuttingtool 12 and are configured to provide a fluid proximate the cuttingsurface 24. Thefluid passages 26 may have any suitable configuration. In the embodiment shown inFIG. 1 , thefluid passages 26 are aligned generally parallel to and spaced apart from an axis ofrotation 28. - The
tool holder 14 is configured to hold thecutting tool 12 and rotate about the axis ofrotation 28. More specifically, thetool holder 14 is configured to be connected to a spindle or other suitable device that is adapted to rotate thetool holder 14. Thetool holder 14 may be of any suitable type, such as shrink fit holder or chuck. Also, thetool holder 14 may be made of any suitable material, such as a polymeric material or a metal. - The
tool holder 14 includes acounterbore 30 and aconduit 32. Thecounterbore 30 is adapted to receive thecutting tool 12 and includes abottom surface 34. Thecounterbore 30 may have any suitable configuration for receiving and holding thecutting tool 12. Optionally, the cuttingtool 12 may be secured to thetool holder 14 in any suitable manner, such as with one or more set screws as is known by those skilled in the art. - The
conduit 32 is adapted to provide a fluid to thecutting tool 12. For example, theconduit 32 may be connected to a fluid supply pipe or fluid source that is adapted to provide any suitable fluid, such as a coolant or lubricant in the form of an aerosol, gas, or liquid. Theconduit 32 may have any suitable configuration. For example, theconduit 32 may be integrally formed with thetool holder 14, may be a separate component attached to and extending through thetool holder 14, or may be defined by a combination of integrally formed tool holder surfaces and separate components. In the embodiment shown inFIG. 1 , theconduit 32 includes anarrow portion 36 of thetool holder 14 and apipe 38 coupled to thetool holder 14 with afastener 40. Also, theconduit 32 may be disposed concentrically with the axis ofrotation 28 and may have a smaller inside diameter than thecounterbore 30. - The
adapter 16 includes abody portion 50 and atool receiving portion 52. Theadapter 16 is configured to receive theend portion 22 to inhibit fluid leakage and help position the cuttingtool 12. Theadapter 16 may be made of any suitable material, such as a polymeric material or a metal. - The
body portion 50 and thetool receiving portion 52 cooperate to define aninternal fluid passage 54. Theinternal fluid passage 54 may be disposed coaxially with theconduit 32. - The
body portion 50 is adapted to engage theconduit 32. More specifically, thebody portion 40 may be configured to attach to or seal against the inside of theconduit 32 to inhibit fluid leakage. Thebody portion 50 may have any suitable configuration. In the embodiment shown inFIG. 1 , thebody portion 50 includes afirst section 56 disposed proximate thepipe 38 and asecond section 58 disposed proximate thenarrow portion 36. Alternatively, thesecond section 58 may be omitted and thefirst section 56 may extend from the bottom surface of thetool receiving portion 52. Optionally, the first orsecond sections - The
tool receiving portion 52 may include a socket orrecess 60 adapted to receive thecutting tool 12. More specifically, therecess 60 may have a similar configuration as theend portion 22. Optionally, therecess 60 may have a larger outside diameter than thebody portion 50 to help position theadapter 16 within thecounterbore 30. - The
adapter 16 may include achamfer 62 disposed in therecess 60 proximate theinternal fluid passage 54 to improve fluid flow and fluid distribution to thefluid passages 26. More particularly, thechamfer 62 and centrifugal forces present when thetool holder assembly 10 is rotated cooperate to direct fluid from theinternal fluid passage 54 outward to thefluid passages 26. - Optionally, a
seal 70 may be disposed between thetool receiving portion 52 and theend portion 22 to further inhibit fluid leakage. Theseal 70 may have any suitable configuration. In one embodiment, theseal 70 is at least partially disposed in a groove located on theend portion 22 or thetool receiving portion 52. - In addition, adapters having different configurations may be associated with each type or size of cutting tool. For example, adapters wherein the first and/or
second sections - Referring to
FIG. 2 , a second embodiment of thetool holder assembly 100 is shown. In this embodiment, thetool holder assembly 100 includes acutting tool 112 and atool holder 114 having anintegral adapter portion 116. - The
cutting tool 112 includes amain portion 120, one or more cutting surfaces 124, one or morefluid passages 126, and may be rotatable about an axis ofrotation 128 as previously described. - The
tool holder 114 includes acounterbore 130 and aconduit 132. Thecounterbore 130 has abottom surface 134. Theconduit 132 may have any suitable configuration and may include anarrow portion 136 and/or apipe 138 coupled to thetool holder 114 with afastener 140 as previously described. - The
adapter portion 116 includes aninternal fluid passage 154. In the embodiment shown inFIG. 2 , theinternal fluid passage 154 also extends partially into themain portion 120. Theadapter portion 116 may also have afirst section 156 disposed proximate thepipe 138 and asecond section 158 disposed proximate thenarrow portion 136. - A
chamber 160 may connect theinternal fluid passage 154 and the toolfluid passages 126. Thechamber 160 may include a tapered surface orchamfer 162 to improve flow and distribution to thefluid passages 126 as previously described. - Referring to
FIG. 3 , a third embodiment of thetool holder assembly 200 is shown. Similar toFIG. 1 , thetool holder assembly 200 includes acutting tool 212, atool holder 214, and anadapter 216. - The
cutting tool 212 may include amain portion 220, one or more cutting surfaces 224, a plurality offluid passages 226, and may be rotatable about an axis ofrotation 228 as previously described. - The
tool holder 214 includes acounterbore 230 and aconduit 232. Thecounterbore 230 has abottom surface 234. Theconduit 232 may have any suitable configuration and may include anarrow portion 236 and/or apipe 238 coupled to thetool holder 214 with afastener 240 as previously described. - The
adapter 216 may include a body portion 250 and atool receiving portion 252, as previously described. The body portion 250 may also include a firstinternal fluid passage 254, afirst section 256 disposed proximate thepipe 238 and asecond section 258 disposed proximate thenarrow portion 236. - The
tool receiving portion 252 includes a plurality of additional fluid passages. In one embodiment, thetool receiving portion 252 includes second and third internalfluid passages internal passage 254 and to differenttool fluid passage 226. The first and/or second internalfluid passages fluid passages 226. - Referring to
FIG. 4 , a fourth embodiment of thetool holder assembly 300 is shown. In this embodiment, thetool holder assembly 300 includes acutting tool 312, atool holder 314, anadapter 316, and aspring 318. - The
cutting tool 312 may include amain portion 320, an end portion 322, one or more cutting surfaces 324, one or morefluid passages 326, and may be rotatable about an axis ofrotation 328 as previously described. - The
tool holder 314 includes acounterbore 330 and aconduit 332. Thecounterbore 330 has abottom surface 334. Theconduit 332 may include anarrow portion 336 and/or apipe 338 coupled to thetool holder 314 with afastener 340. - The
adapter 316 may include abody portion 350, atool receiving portion 352, and aninternal fluid passage 354, afirst section 356, asecond section 358, arecess 360, and achamfer 362 as previously described. - The
spring 318 is adapted to engage thetool receiving portion 352 and thebottom surface 340 to bias theadapter 316 into engagement with the end portion 322 to position the tool and inhibit fluid leakage. - The
tool holder assemblies tool holder assemblies tool holder tool tool adapter - While the best mode for carrying out the invention has been described in detail, those familiar with the art to which this invention relates will recognize various alternative designs and embodiments for practicing the invention as defined by the following claims.
Claims (20)
1. A tool holder assembly comprising:
a cutting tool including:
a main portion;
an end portion disposed proximate the main portion; and
a fluid passage disposed in the main and end portions;
a tool holder including:
a conduit; and
a counterbore axially aligned with the conduit and adapted to receive the cutting tool; and
an adapter including:
a tool receiving portion configured to receive the end portion;
a body portion disposed proximate the tool receiving portion and adapted to engage the conduit; and
an internal fluid passage defined by the tool receiving and body portions that is adapted to provide a fluid from the conduit to the fluid passage.
2. The tool holder assembly of claim 1 wherein the internal fluid passage further includes a chamfer disposed proximate the tool receiving portion and adapted to direct a fluid to the fluid passage.
3. The tool holder assembly of claim 1 wherein the adapter further comprises a first internal fluid passage disposed in the body portion and second and third internal fluid passages disposed in the tool receiving portion proximate the first internal fluid passage.
4. The tool holder assembly of claim 1 wherein the counterbore further comprises a bottom surface disposed proximate the conduit.
5. The tool holder assembly of claim 4 further comprising a spring disposed between the tool receiving portion and the bottom surface for biasing the adapter against the end portion.
6. The tool holder assembly of claim 1 further comprising a seal disposed between the end portion and the tool receiving portion for inhibiting fluid leakage.
7. A tool holder assembly comprising:
a cutting tool including:
a main portion having a first diameter;
an end portion having a second diameter; and
a fluid passage disposed in the main and end portions;
a tool holder configured to rotate about an axis of rotation including:
a conduit; and
a counterbore adapted to receive the cutting tool and having a bottom surface; and
an adapter including:
a tool receiving portion configured to receive the end portion;
a body portion disposed proximate the tool receiving portion and adapted to engage the conduit; and
an internal fluid passage defined by the tool receiving and body portions that is adapted to provide a fluid from the conduit to the fluid passage; and
a spring configured to bias the adapter against the cutting tool to inhibit fluid leakage.
8. The tool holder assembly of claim 7 wherein the spring is configured to engage the bottom surface and the tool receiving portion.
9. The tool holder assembly of claim 7 wherein the internal fluid passage further includes a chamfer disposed proximate the tool receiving portion and adapted to direct a fluid to the fluid passage.
10. The tool holder assembly of claim 7 wherein the adapter further comprises a first internal fluid passage disposed in the body portion and second and third internal fluid passages disposed in the tool receiving portion proximate the first internal fluid passage.
11. The tool holder assembly of claim 7 further comprising a seal disposed between the end portion and the tool receiving portion for inhibiting fluid leakage.
12. The tool holder assembly of claim 7 wherein the second diameter is configured to flex about the axis of rotation to facilitate insertion of the adapter into the conduit.
13. The tool holder assembly of claim 7 wherein the first diameter is larger than the second diameter.
14. The tool holder assembly of claim 7 wherein the end portion further includes a first fluid passage and the main portion further comprises a plurality of branch fluid passages disposed about the axis of rotation and a chamber disposed proximate the first fluid passage and the plurality of branch fluid passages.
15. The tool holder assembly of claim 14 wherein the chamber has a tapered surface for directing fluid flow from the first fluid passage to the plurality of branch fluid passages.
16. A tool holder assembly comprising:
a cutting tool including:
a main portion having a first fluid passage;
an adapter portion disposed proximate the main portion, the adapter portion having a second fluid passage disposed coaxially with an axis of rotation and connected to the first fluid passage; and
a tool holder including:
a conduit adapted to receive at least a portion of the adapter portion and provide a fluid to the second fluid passage; and
a counterbore axially aligned with the conduit and adapted to receive the cutting tool.
17. The tool holder assembly of claim 16 wherein the main portion has a first diameter, the adapter portion has a second diameter, and the first diameter is greater than the second diameter.
18. The tool holder assembly of claim 16 wherein the adapter portion is configured to flex about the axis of rotation to facilitate insertion of the adapter portion into the conduit.
19. The tool holder assembly of claim 16 wherein the main portion further comprises a plurality of branch fluid passages disposed about the axis of rotation and a chamber disposed proximate the second fluid passage and the plurality of branch fluid passages.
20. The tool holder assembly of claim 19 wherein the chamber has a tapered surface for directing fluid flow from the second fluid passage to the plurality of branch fluid passages.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/710,787 US20060029479A1 (en) | 2004-08-03 | 2004-08-03 | Tool holder assembly |
DE102005020343.4A DE102005020343B4 (en) | 2004-08-03 | 2005-05-02 | Tool holder assembly |
GB0514428A GB2417443A (en) | 2004-08-03 | 2005-07-14 | A tool holder assemby |
US11/162,545 US7896591B2 (en) | 2004-08-03 | 2005-09-14 | Tool holder assembly |
US12/971,614 US8740519B2 (en) | 2004-08-03 | 2010-12-17 | Tool holder assembly |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/710,787 US20060029479A1 (en) | 2004-08-03 | 2004-08-03 | Tool holder assembly |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/162,545 Continuation-In-Part US7896591B2 (en) | 2004-08-03 | 2005-09-14 | Tool holder assembly |
Publications (1)
Publication Number | Publication Date |
---|---|
US20060029479A1 true US20060029479A1 (en) | 2006-02-09 |
Family
ID=34911175
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/710,787 Abandoned US20060029479A1 (en) | 2004-08-03 | 2004-08-03 | Tool holder assembly |
US11/162,545 Expired - Fee Related US7896591B2 (en) | 2004-08-03 | 2005-09-14 | Tool holder assembly |
US12/971,614 Expired - Fee Related US8740519B2 (en) | 2004-08-03 | 2010-12-17 | Tool holder assembly |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/162,545 Expired - Fee Related US7896591B2 (en) | 2004-08-03 | 2005-09-14 | Tool holder assembly |
US12/971,614 Expired - Fee Related US8740519B2 (en) | 2004-08-03 | 2010-12-17 | Tool holder assembly |
Country Status (3)
Country | Link |
---|---|
US (3) | US20060029479A1 (en) |
DE (1) | DE102005020343B4 (en) |
GB (1) | GB2417443A (en) |
Cited By (17)
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US20050275170A1 (en) * | 2003-02-20 | 2005-12-15 | Joerg Guehring | Depth adjustment for a clamping chuck |
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US20080185793A1 (en) * | 2005-03-23 | 2008-08-07 | Franz Haimer Maschinenbau Kg | Tool Holder |
US20080260479A1 (en) * | 2005-10-11 | 2008-10-23 | Dirk Kammermeier | Device for supplying coolant into a shank of a rotary tool as well as a rotary tool, in particular a drill |
US20090260985A1 (en) * | 1999-11-04 | 2009-10-22 | Abbott Diabetes Care Inc. | Analyte sensor with insertion monitor, and methods |
EP2196273A1 (en) * | 2008-12-11 | 2010-06-16 | Gühring OHG | Interface between a revolving shaft tool and a lubricant discharge point in a tool holder |
US20130015627A1 (en) * | 2010-12-23 | 2013-01-17 | Kennametal Inc. | Expansion Chuck for Loss-Free Transmission of a Lubricating Medium |
EP3120958A1 (en) * | 2015-07-24 | 2017-01-25 | Franz Haimer Maschinenbau KG | Tool holder and screw-in tool with seal |
US20170216939A1 (en) * | 2016-01-28 | 2017-08-03 | sp3 Cutting Tools, Inc. | Chip control tool |
US20170341157A1 (en) * | 2011-07-02 | 2017-11-30 | Kennametal Inc. | Tool holder for a cutting tool and sleeve for a tool holder |
JP6379312B1 (en) * | 2018-01-16 | 2018-08-22 | 株式会社松浦機械製作所 | Tool holder with internal space |
JP2018531807A (en) * | 2015-09-22 | 2018-11-01 | アトラス・コプコ・インダストリアル・テクニーク・アクチボラグ | Power tools |
USD938250S1 (en) * | 2019-07-08 | 2021-12-14 | Cricut, Inc. | Tool holder assembly |
USD938251S1 (en) * | 2019-07-08 | 2021-12-14 | Cricut, Inc. | Tool holder assembly |
USD938793S1 (en) * | 2019-07-08 | 2021-12-21 | Cricut, Inc. | Tool holder assembly |
USD947638S1 (en) * | 2019-07-08 | 2022-04-05 | Cricut, Inc. | Tool holder assembly |
USD953834S1 (en) * | 2017-07-28 | 2022-06-07 | Cricut, Inc. | Tool holder accessory |
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DE102005050754B4 (en) * | 2005-07-14 | 2008-11-13 | EMUGE-Werk Richard Glimpel GmbH & Co. KG Fabrik für Präzisionswerkzeuge | Device for supplying a rotating or rotatable tool for material processing with coolant and / or lubricant |
DE102010013430A1 (en) * | 2010-01-14 | 2011-07-21 | Bilz Werkzeugfabrik GmbH & Co. KG, 73760 | Chuck for tools |
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DE202014104802U1 (en) * | 2014-10-07 | 2016-01-11 | Bilz Werkzeugfabrik Gmbh & Co. Kg | Tool holder with fluid supply |
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US10226825B2 (en) | 2016-11-20 | 2019-03-12 | Charles Michael Berg | Tool holding apparatus |
US11097359B2 (en) * | 2019-07-17 | 2021-08-24 | Ford Global Technologies, Llc | Minimum quantity lubrication multidiameter cutting tool oil delivery |
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Cited By (24)
Publication number | Priority date | Publication date | Assignee | Title |
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US20090260985A1 (en) * | 1999-11-04 | 2009-10-22 | Abbott Diabetes Care Inc. | Analyte sensor with insertion monitor, and methods |
US20050275170A1 (en) * | 2003-02-20 | 2005-12-15 | Joerg Guehring | Depth adjustment for a clamping chuck |
US7192228B2 (en) * | 2003-02-20 | 2007-03-20 | Joerg Guehring | Depth adjustment for a clamping chuck |
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US20170341157A1 (en) * | 2011-07-02 | 2017-11-30 | Kennametal Inc. | Tool holder for a cutting tool and sleeve for a tool holder |
EP3120958A1 (en) * | 2015-07-24 | 2017-01-25 | Franz Haimer Maschinenbau KG | Tool holder and screw-in tool with seal |
JP2018531807A (en) * | 2015-09-22 | 2018-11-01 | アトラス・コプコ・インダストリアル・テクニーク・アクチボラグ | Power tools |
US20170216939A1 (en) * | 2016-01-28 | 2017-08-03 | sp3 Cutting Tools, Inc. | Chip control tool |
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USD953834S1 (en) * | 2017-07-28 | 2022-06-07 | Cricut, Inc. | Tool holder accessory |
USD959227S1 (en) * | 2017-07-28 | 2022-08-02 | Cricut, Inc. | Tool holder assembly |
USD1001855S1 (en) | 2017-07-28 | 2023-10-17 | Cricut, Inc. | Tool holder accessory |
JP6379312B1 (en) * | 2018-01-16 | 2018-08-22 | 株式会社松浦機械製作所 | Tool holder with internal space |
USD938250S1 (en) * | 2019-07-08 | 2021-12-14 | Cricut, Inc. | Tool holder assembly |
USD938251S1 (en) * | 2019-07-08 | 2021-12-14 | Cricut, Inc. | Tool holder assembly |
USD938793S1 (en) * | 2019-07-08 | 2021-12-21 | Cricut, Inc. | Tool holder assembly |
USD947638S1 (en) * | 2019-07-08 | 2022-04-05 | Cricut, Inc. | Tool holder assembly |
Also Published As
Publication number | Publication date |
---|---|
US8740519B2 (en) | 2014-06-03 |
US20060029482A1 (en) | 2006-02-09 |
GB0514428D0 (en) | 2005-08-17 |
US7896591B2 (en) | 2011-03-01 |
GB2417443A (en) | 2006-03-01 |
DE102005020343B4 (en) | 2016-07-28 |
DE102005020343A1 (en) | 2006-03-02 |
US20110085864A1 (en) | 2011-04-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: FORD MOTOR COMPANY, MICHIGAN Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:STOLL, ALEXANDER;EXNER, ED;NORDSTROM, GEORGE;REEL/FRAME:014933/0908;SIGNING DATES FROM 20040701 TO 20040702 |
|
STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |