EP3676036A1 - Dispositif de détachement d'au moins une bavure d'une embouchure d'au moins un trou percé transversal d'une pièce, station de perçage pourvue du dispositif et procédé de détachement de la ou des bavures au moyen de la station de perçage - Google Patents

Dispositif de détachement d'au moins une bavure d'une embouchure d'au moins un trou percé transversal d'une pièce, station de perçage pourvue du dispositif et procédé de détachement de la ou des bavures au moyen de la station de perçage

Info

Publication number
EP3676036A1
EP3676036A1 EP18753050.6A EP18753050A EP3676036A1 EP 3676036 A1 EP3676036 A1 EP 3676036A1 EP 18753050 A EP18753050 A EP 18753050A EP 3676036 A1 EP3676036 A1 EP 3676036A1
Authority
EP
European Patent Office
Prior art keywords
workpiece
borehole
shaft
transverse
longitudinal
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.)
Withdrawn
Application number
EP18753050.6A
Other languages
German (de)
English (en)
Inventor
Andreas Martin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schaeffler Technologies AG and Co KG
Original Assignee
Schaeffler Technologies AG and Co KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Schaeffler Technologies AG and Co KG filed Critical Schaeffler Technologies AG and Co KG
Publication of EP3676036A1 publication Critical patent/EP3676036A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • B23B51/105—Deburring or countersinking of radial holes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B51/00—Tools for drilling machines
    • B23B51/009—Stepped drills
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2215/00—Details of workpieces
    • B23B2215/16—Camshafts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2215/00—Details of workpieces
    • B23B2215/20—Crankshafts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2215/00—Details of workpieces
    • B23B2215/24—Components of internal combustion engines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2251/00—Details of tools for drilling machines
    • B23B2251/46—Drills having a centre free from cutting edges or with recessed cutting edges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B35/00—Methods for boring or drilling, or for working essentially requiring the use of boring or drilling machines; Use of auxiliary equipment in connection with such methods

Definitions

  • Device for releasing at least one ridge from a mouth of at least one transverse borehole of a workpiece, drilling station with the device and
  • the invention relates to a device for releasing at least one ridge from an orifice of at least one transverse borehole of a workpiece.
  • the apparatus includes an elongated shaft which is insertable and positionable in a longitudinal bore of the workpiece.
  • the invention further relates to a drilling station comprising the apparatus, the workpiece and at least one drill for drilling the at least one transverse well and a method for releasing the at least one ridge from the mouth of the at least one transverse well with the drilling station.
  • burrs are often formed which are arranged at one end of the boreholes. To increase the quality of the workpieces, the burrs must be removed. This is often done in a separate step after the introduction of the holes by a deburring tool.
  • a deburring tool For example, the document DE 103 21 670 A1, which probably forms the closest prior art, describes a tool, a device and a method for deburring bores, which open laterally into a cylindrical recess. The tool has a shaft with a cutting portion for Entraten the holes. For this purpose, the tool is inserted into the recess and rotatable in this.
  • the invention has for its object to provide a functionally improved device for deburring at least one opening into a longitudinal wellbore transverse well of a workpiece.
  • This object is achieved by a device having the features of claim 1, by a drilling station having the features of claim 5 and by a method having the features of claim 8.
  • Preferred or advantageous embodiments of the invention will become apparent from the dependent claims of the following description and / or the accompanying figures.
  • a device which is designed to release at least one burr from an orifice of at least one transverse borehole of a workpiece.
  • the at least one transverse borehole opens into a longitudinal borehole of the workpiece.
  • the at least one burr and / or chip is produced in the case of a bore of the at least one transverse borehole in the region of the orifice into the longitudinal borehole.
  • the at least one burr and / or chip can be removed by the device and optionally additionally removed from the longitudinal borehole, in particular be transported away.
  • the workpiece is, for example, a vehicle component, in particular a switching valve housing, a camshaft or a crankshaft.
  • the device has an elongate shaft.
  • the shank is insertable into the longitudinal bore of the workpiece and positionable therein.
  • the shank comprises a cutting section.
  • the cutting section is arranged on the end of the shaft.
  • the cutting section extends from a free end of the shaft along the shaft.
  • the cutting section extends at least 30 percent, preferably at least 50 percent, in particular at least 70 percent and / or at most 95 percent from the free end along an overall length of the shaft.
  • the cutting portion has at least one cutting edge for releasing the at least one ridge from the mouth.
  • the device comprises two cutting edges, which are arranged in particular on two opposite sides of the cutting portion.
  • the workpiece can be deburred in a rotation of the workpiece about the shaft at the mouth of the at least one transverse borehole in two opposite directions of rotation.
  • the device includes a handle disposed on an opposite side of the cutting portion on the shaft.
  • a worker can handle the device via the handle, in particular, insert the shaft into the longitudinal bore, position it therein and remove the shaft again from the longitudinal bore.
  • the device has at least one groove.
  • the groove is arranged and / or designed to prevent a collision of the shaft with at least one drill with which the at least one transverse borehole can be introduced into the workpiece and / or drilled.
  • the flute on the shank prevents collision with the at least one drill since the shank is disposed in the longitudinal wellbore during insertion and / or drilling of the transverse wellbore.
  • the groove extends along a longitudinal extension of the shaft, in particular through the cutting section.
  • the groove has a length which is at least 30 percent, preferably at least 40 percent and in particular at least 50 percent of the longitudinal extent of the shaft.
  • the fillet makes the cutters wide relative to each other so that they are spaced apart from one another, in particular along their longitudinal extent.
  • the groove extends along the cutting section between the two cutting edges.
  • the device has at least one recess.
  • the at least one recess is designed to prevent the collision of the shaft with the at least one drill, with which the at least one transverse borehole is drilled.
  • the at least one recess serves as an additional collision safeguard for the groove.
  • the at least one recess is formed as at least one blind hole or as at least one through hole in the shaft.
  • the at least one recess is arranged overlapping the groove and / or in the groove, in particular in the region of the cutting portion.
  • the device has two recesses which are spaced from each other are arranged on the shaft and / or on the cutting portion. The recesses prevent a collision with a drill tip of the at least one drill, with which the at least one transverse borehole is introduced / introduced into the workpiece. It is possible within the scope of the invention that the recesses have different diameters. As a result, transverse bores of different diameters can be drilled into the workpiece without colliding with the shaft.
  • the device comprises a cooling device.
  • the cooling device has a cooling channel for passing a coolant through the shaft of the device.
  • the cooling device in particular during and / or during deburring, is designed for cooling the device.
  • the cooling is necessary in particular because the workpiece rotates immediately after the bore of the at least one transverse borehole around the shaft of the device. During and / or during the rotation, the cutting section with the at least one cutting edge releases the at least one ridge which is arranged and / or formed at the mouth of the transverse borehole in the longitudinal borehole.
  • the cooling is intended to prevent overheating and / or overheating during and / or during rotation of the workpiece and / or during or during deburring.
  • additional loose burrs are removed from the workpiece.
  • the cooling channel in particular the coolant passed through the channel, is designed to remove the at least one detached ridge from the longitudinal borehole of the workpiece.
  • the cooling channel preferably opens in the free end of the shaft, in particular in the region of the cutting section.
  • the coolant can exit at the free end of the shaft into the longitudinal bore of the workpiece and remove the at least one detached burr therefrom.
  • Another object of the invention is a drilling station with the at least one drill, with the workpiece and with the device according to the previous description and / or according to one of claims 1 to 4.
  • the drilling station is designed as a workbench or a workbench.
  • the drilling station is integrated in a production line for the production of vehicle components, eg of switching valve housings, camshafts or crankshafts.
  • the workpiece has the longitudinal borehole.
  • the shaft of the device is disposed in the longitudinal wellbore.
  • the workpiece is rotatable about the shaft from a first rotational position to a second rotational position.
  • the workpiece is mounted for example on a rotating device of the drilling station.
  • a first transverse borehole can be introduced into the workpiece by the drill in the first rotational position. It is furthermore preferred that a second transverse borehole can be introduced into the workpiece by the drill or by a further drill of the drilling station in the second rotational position. In particular, it is possible that at least one further transverse borehole, e.g. two further transverse boreholes, can be introduced into the workpiece. In particular, the first transverse borehole, the second transverse borehole and optionally additionally the at least one further transverse borehole open into the longitudinal borehole of the workpiece.
  • the shaft is positioned in the longitudinal borehole of the workpiece in such a way that the hollow groove enables a bore of the at least one transverse borehole, in particular the transverse boreholes, to be collision-free relative to the shaft.
  • an opening of the groove is directed to at least one point, in which the at least one transverse borehole, in particular the transverse boreholes, is / is to be introduced into the workpiece.
  • the groove is arranged in a plan view of the at least one point congruent and / or overlapping thereto.
  • a preferred embodiment of the invention provides that the shaft is positioned in the longitudinal borehole of the workpiece such that the collision-free bore of the at least one transverse borehole, in particular the transverse boreholes, is made possible by the at least one recess.
  • an opening of the first recess to the first transverse well in particular to a point at which the drill is to drill or drill the first transverse well, is directed and overlapping or congruently disposed below that point.
  • an opening of the second recess to the second transverse well in particular to another point at which the drill is to drill or drill the second transverse well, is directed and overlapping or congruently disposed below this further point.
  • the appropriate positioning of the groove and / or the at least one recess provides sufficient space for a drill bit of the drill when the drill drills the at least one transverse hole and penetrates the drill bit into the longitudinal hole. As a result, the collision of the at least one drill with the shaft can be avoided.
  • a method for releasing the at least one ridge from the mouth of the at least one transverse borehole of the workpiece with the drilling station according to the previous description and / or according to one of claims 5 to 7 forms a further subject of the invention.
  • the shank of the device is introduced into the longitudinal wellbore as part of the process.
  • the at least one drill bit drills the at least one transverse wellbore while the shank is disposed in the longitudinal wellbore.
  • the workpiece is rotated in the context of the method around the shaft of the device from the first rotational position to the second rotational position.
  • the at least one burr is released during the rotation of the workpiece by the device, in particular by the at least one cutting edge of the cutting section, from the mouth of the at least one transverse borehole.
  • the mouth of the transverse borehole can be deburred neutral in terms of tact time or virtually neutral in tact time with the bore of the at least one transverse borehole.
  • the mouth of the transverse borehole can be deburred neutral in terms of tact time or virtually neutral in tact time with the bore of the at least one transverse borehole.
  • manufacturing time and costs in the production of the workpiece can be saved.
  • the shaft of the device after rotation of the workpiece from the first to the second rotational position, the shaft of the device can be removed from the longitudinal bore and reinserted thereinto.
  • the workpiece can then, optionally with a small time overhead, preferably rotated in a direction opposite to the previous direction of rotation, so that thereby possibly still existing burrs are released from the mouth of at least one transverse well and removed from the longitudinal wellbore can.
  • the at least one detached burr is removed by the cooling liquid from the longitudinal borehole of the workpiece.
  • a hindrance of the cutting section can be prevented by already dissolved and remaining in the longitudinal borehole burrs.
  • a process-reliable deburring of the mouth of the at least one transverse borehole can thereby be ensured.
  • FIG. 4b shows a section through the workpiece and the shaft from FIG. 4 along the section line CC;
  • Figure 5 is a longitudinal section through the workpiece and the shaft of Figure 4, wherein two drills drill two transverse boreholes, which open into the longitudinal wellbore.
  • FIG. 1 shows a perspective view of a device 1 of a drilling station (not shown).
  • the drilling station is eg a workbench which can be part of a production line for vehicle components.
  • FIG. 2 shows a top view of the device 1 from FIG. 1.
  • FIG. 3 shows a longitudinal section through the device 1 from FIG. 2 along the section line A-A.
  • FIGS. 3a and 3b show cross sections through the device 1 along the section lines B-B and C-C.
  • the device 1 is designed to detach at least one burr 2 (FIG. 4) from an orifice 3 (FIG. 4) of at least one transverse borehole 4 (FIG. 4) of a workpiece 5 of the drilling station.
  • the workpiece 5 is shown in FIGS. 4 and 5. It is e.g. as a vehicle component, in particular as a camshaft, as a switching valve housing or as a crankshaft. It has a longitudinal borehole 11 (FIGS. 4, 5) into which the at least one transverse borehole 4, in particular a first, second, third and fourth transverse borehole 4a, 4b, 4c, 4d, opens.
  • the workpiece 5 has four mouths 3a, 3b, 3c, 3d.
  • the first and third transverse boreholes 4a, 4b can be introduced and / or introduced into the workpiece 5 with a first drill 12a of the drilling station and the second and fourth transverse boreholes 4c, 4d with a second drill 12b (FIG. 5) of the drilling station ,
  • the workpiece 5 is rotatably mounted on the drilling station, so that the workpiece 5 from a first rotational position R in a second rotational position (not shown) is rotatable.
  • first rotational position R according to FIG. 5
  • the first transverse borehole 4 a is drilled, in the second rotational position the second transverse borehole 4 b.
  • the third Transverse borehole 4c and drilled in the second rotational position the fourth transverse borehole 4d.
  • the device 1 according to FIGS. 1, 2 and 3 is designed as a longitudinal component with a handle 6 for handling the device 1 and with a shaft 7 for insertion and positioning into the longitudinal borehole 12 of the workpiece 5.
  • the shaft 7 adjoins the handle 6 and is attached thereto.
  • the shaft is clamped in the handle 6 and preferably positioned correctly on a positioning surface on the handle 6.
  • the shaft 7 is stepped and has at least two different diameters over its entire length. As a result, workpieces 5 can be deburred, which have a longitudinal borehole 1 1 with diameter jumps. Alternatively, the shaft 7 along its entire length may have an unchanged diameter, so that workpieces 5 can be deburred, the longitudinal boreholes 1 1 have a constant diameter.
  • the device 1, in particular the shaft 7, is formed from a hard metal or a preferably high-alloyed tool steel.
  • the shank 7 comprises a cutting section 8 for releasing the at least one ridge 2 from the mouth 3 of the at least one transverse borehole 4 of the workpiece 5.
  • the cutting section 8 has a first cutting edge 9 and a second cutting edge 10. It extends to at least 30 percent, preferably at least 50 percent, in particular at least 70 percent and / or at most 95 percent along a total length of the shaft 7.
  • the shaft 7 is inserted and positioned in the longitudinal borehole 11 of the workpiece 5 as shown in Figs. 4 and 5.
  • the drilling of the transverse boreholes 4a, 4b, 4c, 4d takes place while the shaft 7 is arranged in the longitudinal borehole 11.
  • the device 1 has a groove 13, which is introduced into the shaft 7.
  • the shaft 7 has the groove 13 on. This extends to at least 30 percent, preferably at least 40 percent and in particular at least 50 percent along a longitudinal extension of the shaft 7.
  • the groove 13 also extends completely or almost completely along the cutting portion 8, so that the two cutting edges 9, 10, the groove 13 laterally limit.
  • the device 1 has to protect the collision avoidance of the shaft 7 with the first and second drills 12a, 12b, in particular with drill tips 16a, 16b of the two drills 12a, 12b, a first and second recess 14, 15b.
  • the recesses 14, 15 are introduced as blind holes in the shaft 7 and arranged in the groove 13.
  • the recesses 14, 15 may also be formed as through holes.
  • the first recess 14 has a smaller diameter than the second recess 15.
  • the orifices 3a, 3b, 3c, 3d of transverse bores 4a, 4b, 4c, 4d can be deburred with different diameters.
  • the two recesses have matching diameters, in particular to be able to deburr muzzles of transverse boreholes with the same diameters.
  • the shaft 7 of the device 1 in the longitudinal bore 1 1 of the workpiece 5 is arranged.
  • the workpiece 5 assumes the first rotational position R.
  • the shaft 7 of the device 1 is positioned in the longitudinal borehole 1 1 of the workpiece 5 so that an opening of the groove 13 is directed to the points in which the transverse bores 4a, 4c or 4b, 4d are drilled through the first and second drills 12a, 12b.
  • the groove 13 is arranged overlapping the points.
  • the first recess 14 is disposed below and congruent with the point in a plan view of the point where the third transverse bore 4c is made by the second drill 12b. Thereby, a collision with the drill tip 16b of the second drill 12b at and / or during the drilling of the third transverse bore 4c avoided.
  • the second recess 15 is disposed below and congruent with the point in a plan view of the point where the first transverse borehole 4a is made through the first drill 12a. As a result, a collision with the drill tip 16a of the first drill 12a during and / or during the drilling of the first transverse borehole 4a is avoided.
  • the drills 12a, 12b are moved out of the respective transverse boreholes 4a, 4c.
  • the workpiece 5 is rotated from the first rotational position R to the second rotational position. The rotation is carried out during which the shaft 7 of the device 1 is arranged in the longitudinal borehole 11. In the second rotational position, the bores of the second and fourth transverse boreholes 4b, 4d can then be made through the first and second borers 12a, 12b.
  • the shaft 7 is positioned after the rotation of the workpiece 5 in the second rotational position in the longitudinal borehole 1 1 of the workpiece 5 that the groove 13 and the recesses 14, 15 in a corresponding manner to avoid collision with the drills 12 a, 12 b or are positioned with the drill tips 16a, 16b, as previously described for the first rotational position R.
  • the workpiece 5 can be deburred in the region of the orifices 3a, 3c during and / or during the rotation of the workpiece 5 from the first rotational position R into the second rotational position.
  • the first cutting edge 9 at and / or during the rotation of the workpiece 5, the at least one ridge 2, by the bore of the first and third transverse borehole 4a, 4c at the mouth 3a, 3c of the corresponding transverse borehole 4a, 4c arranged and / or formed / can be.
  • the workpiece 5 can be deburred in the region of the orifices 3b, 3d at and / or during the rotation into the second rotational position.
  • the second cutting edge 10 at and / or during the rotation of the workpiece 5 in the opposite direction, the at least one burr 2, which by the Bore of the second and fourth transverse borehole 4b, 4d at the mouth 3b, 3d of the corresponding transverse borehole 4b, 4d arranged and / or is formed / can be.
  • the device has a cooling device 17 for cooling the shaft 7 during and / or during rotation and deburring of the workpiece 5.
  • the cooling device 17 comprises a cooling channel 18 which extends completely through the handle and the shaft 7 and in one free end 19 of the shaft 7 opens. Through the cooling channel 18, cooling liquid can be passed, which emerges at the free end 19 of the shaft 7.
  • the cooling liquid detects the at least one burr 2 released by the cutting section 8 from the respective mouth 3 and transports it through the longitudinal borehole 1 1 of the workpiece. This ensures process-reliable deburring.
  • the respective mouths 3a, 3b, 3c, 3d of the respective transverse boreholes 4a, 4b, 4c, 4d are deburred simultaneously with the rotation of the workpiece 5 between the two rotational positions.
  • This has the advantage that the deburring can be neutral in terms of cycle time or virtually neutral in time with the bore of the transverse boreholes 4a, 4b, 4c, 4d.
  • a separate work step for deburring the workpiece 5 can be omitted and thereby manufacturing time and costs can be saved.
  • an unwanted turning of the at least one ridge often occurring during the separate operation when inserting a deburring tool into the longitudinal borehole after the boring of the at least one transverse borehole can therefore be avoided in any case.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling And Boring (AREA)
  • Drilling Tools (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)

Abstract

L'invention concerne un dispositif (1) pour détacher au moins une bavure (2) d'une embouchure (3) d'au moins un trou percé transversal (4) d'une pièce (5), le dispositif (1) présentant une tige (7) allongée, la tige (7) pouvant être introduite dans un trou percé longitudinal (11) de la pièce (5) et pouvant y être positionnée. Afin d'éviter une collision entre la tige (7) et au moins un foret (12) destiné à percer au moins un trou percé transversal (4), le dispositif (1) présente au moins une gorge (13).
EP18753050.6A 2017-08-31 2018-07-26 Dispositif de détachement d'au moins une bavure d'une embouchure d'au moins un trou percé transversal d'une pièce, station de perçage pourvue du dispositif et procédé de détachement de la ou des bavures au moyen de la station de perçage Withdrawn EP3676036A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017119966.7A DE102017119966B4 (de) 2017-08-31 2017-08-31 Vorrichtung zum Lösen mindestens eines Grats von einer Mündung mindestens eines Quer-Bohrlochs eines Werkstücks, Bohrstation mit der Vorrichtung und Verfahren zum Lösen des mindestens einen Grats mit der Bohrstation
PCT/DE2018/100668 WO2019042491A1 (fr) 2017-08-31 2018-07-26 Dispositif de détachement d'au moins une bavure d'une embouchure d'au moins un trou percé transversal d'une pièce, station de perçage pourvue du dispositif et procédé de détachement de la ou des bavures au moyen de la station de perçage

Publications (1)

Publication Number Publication Date
EP3676036A1 true EP3676036A1 (fr) 2020-07-08

Family

ID=63168225

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18753050.6A Withdrawn EP3676036A1 (fr) 2017-08-31 2018-07-26 Dispositif de détachement d'au moins une bavure d'une embouchure d'au moins un trou percé transversal d'une pièce, station de perçage pourvue du dispositif et procédé de détachement de la ou des bavures au moyen de la station de perçage

Country Status (5)

Country Link
US (1) US20200246882A1 (fr)
EP (1) EP3676036A1 (fr)
CN (1) CN111050963B (fr)
DE (1) DE102017119966B4 (fr)
WO (1) WO2019042491A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019203948A1 (de) * 2019-03-22 2020-09-24 Zf Friedrichshafen Ag Vorrichtung und Verfahren zum Entgraten mindestens einer Bohröffnung eines metallischen Werkstücks
CN111230166A (zh) * 2020-01-17 2020-06-05 重庆市巴山液压附件厂有限公司 一种异形深孔加工方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2555746A (en) * 1945-12-28 1951-06-05 Horsky Milo Drill
US3645640A (en) * 1970-06-11 1972-02-29 Michael F Zukas Rotary cutter tool
US3758222A (en) * 1971-12-30 1973-09-11 H Oakes Drill bit
DE9403827U1 (de) * 1993-05-14 1994-11-03 Geberit Technik Ag, Jona Werkzeug zum Kalibrieren und Entgraten von Rohrenden
JP2001009623A (ja) 1999-06-30 2001-01-16 Sanshin Ind Co Ltd バリ取り刃具とこれを用いたバリ取り方法
DE10321670A1 (de) 2002-05-17 2004-12-30 Gühring, Jörg, Dr. Werkzeug, Vorrichtung und Verfahren zum Entgraten von Bohrungen
US6890133B2 (en) * 2002-10-18 2005-05-10 Irwin Industrial Tool Company Stepped drill bit having split tip
DE102008056782A1 (de) * 2008-11-11 2010-05-12 Gühring Ohg Entgratreibahle
JP5304283B2 (ja) * 2009-02-02 2013-10-02 日産自動車株式会社 交差向かいバリ除去方法及び交差向かいバリ除去装置
JP5469685B2 (ja) * 2012-01-06 2014-04-16 本田技研工業株式会社 バリ取り方法およびバリ取り機構
EP2671656B1 (fr) * 2012-06-09 2018-11-07 Heule Werkzeug AG Outil d'ebavurage pour ebavurer des bords de trou de percage

Also Published As

Publication number Publication date
DE102017119966A1 (de) 2019-02-28
CN111050963B (zh) 2021-08-24
CN111050963A (zh) 2020-04-21
US20200246882A1 (en) 2020-08-06
DE102017119966B4 (de) 2021-10-14
WO2019042491A1 (fr) 2019-03-07

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