EP1445066A1 - Dispositif et procédé pour le meulage d'arbres à cames - Google Patents

Dispositif et procédé pour le meulage d'arbres à cames Download PDF

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Publication number
EP1445066A1
EP1445066A1 EP04000417A EP04000417A EP1445066A1 EP 1445066 A1 EP1445066 A1 EP 1445066A1 EP 04000417 A EP04000417 A EP 04000417A EP 04000417 A EP04000417 A EP 04000417A EP 1445066 A1 EP1445066 A1 EP 1445066A1
Authority
EP
European Patent Office
Prior art keywords
grinding
workpiece
finish
tool
camshafts
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Withdrawn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
EP04000417A
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German (de)
English (en)
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.)
Muhr und Bender KG
Original Assignee
Muhr und Bender 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 Muhr und Bender KG filed Critical Muhr und Bender KG
Publication of EP1445066A1 publication Critical patent/EP1445066A1/fr
Withdrawn legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B27/00—Other grinding machines or devices
    • B24B27/0023—Other grinding machines or devices grinding machines with a plurality of working posts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
    • B24B19/08—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding non-circular cross-sections, e.g. shafts of elliptical or polygonal cross-section
    • B24B19/12—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding non-circular cross-sections, e.g. shafts of elliptical or polygonal cross-section for grinding cams or camshafts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B27/00—Other grinding machines or devices
    • B24B27/0076—Other grinding machines or devices grinding machines comprising two or more grinding tools

Definitions

  • the invention relates to a device and a method for grinding longitudinal sections of shafts, in particular for non-circular grinding of the cam curves and camshafts, with two workpiece holders for shafts, which can be moved along two longitudinal axis Z 1 , Z 2 and clamping and Rotary drive means for the shafts around workpiece axes, and with two tool units for grinding tools, which can be moved between the two workpiece feed guides and rotary drive means for spindles and tools arranged on the spindles, each between a first working position for machining a shaft clamped in one of the workpiece holders and a second working position for machining a shaft clamped in the other workpiece holder.
  • the present invention is based on the object of proposing a device which is suitable for shafts with longitudinal sections to be machined which are essentially identical to one another, in particular for non-circular grinding of cam curves of a camshaft, and suitable methods for operating such a device.
  • the solution for this is a device of the type mentioned, in which one tool unit is equipped with a grinding wheel for pre-grinding and the other tool unit is equipped with a grinding wheel for finish grinding. Pre-grinding and finish-grinding operations are hereby advantageously possible without reclamping the camshafts between the two operations. Due to the necessary sequence between pre- and finish grinding on the individual cams, the machining cycles of the cams clamped in the two workpiece holders are staggered.
  • the tool units are provided on two parallel tool feed guides along their feed axes X 1 , X 2 are movable. It is preferably provided that the axes of the tool feed guides run at right angles to the axes of the workpiece feed guides.
  • Other types of management means e.g. B. for swivel movements are possible.
  • a device comprises two workpiece holders 2 1 , 2 2 , which can be displaced independently of one another in the direction of their axes Z 1 , Z 2 on parallel workpiece feed guides 7 1 , 7 2 .
  • the two workpiece holders 2 1 , 2 2 each comprise clamping and rotary drive means 6 which are indicated in principle and which can comprise tips and / or setting sticks at both ends in detail and which can each receive a camshaft 5 1 , 5 2 and drive it in rotation.
  • two tool units 1 V , 1 F are arranged, which comprise rotary drive means 8 1 , 8 2 for tool spindles and on which a pre-grinding wheel 3 1 of larger diameter and a finish grinding wheel 3 2 of smaller diameter are fastened.
  • the tool units 1 V , 1 F are arranged on respective tool feed guides 4 1 , 4 2 running parallel to one another, on which the tool units 1 V , 1 F can be moved along two mutually parallel feed axes X 1 , X 2 .
  • the travel range is measured so that the grinding wheels can come into effect with each of the clamped shafts 5 1 , 5 2 . It should be assumed that this is a camshaft with four cams each.
  • the following process diagrams apply to this exemplary embodiment.
  • FIG. 2 shows a function-time diagram for the two camshafts 5 1 , 5 2 , in which essential non-productive times, main times for pre-grinding and main times for finish grinding are marked differently.
  • the pre-grinding and then the final grinding are carried out sequentially on the four cams.
  • a workpiece change takes place during pre-grinding at the second workpiece holder position.
  • a workpiece change takes place during finish grinding at the first workpiece holder position.
  • FIG. 3 is a function-time diagram similar to FIG. 2 for two cam shafts shown in two workpiece holder positions, with the non-productive times again the main times for pre-grinding and the main times for finish grinding are marked differently.
  • the main times for pre-grinding are low compared to the main times for finishing grinding.
  • FIG. 4 shows a function-time diagram for two camshafts with four cams each shown in two tool holder positions according to FIG. 1. Different from the Processes according to Figures 2 and 3 are here in both workpiece holder positions the individual cams are alternately pre-ground and finished. Here there is a time lag between the pre-grinding or finish-grinding of the first Cam at the second position versus the first cam at the first position and all other cams take place around a main time phase. The whole time for pre-grinding and finish-grinding two camshafts results in the same The same order of magnitude as the two other machining processes previously described.
EP04000417A 2003-01-15 2004-01-12 Dispositif et procédé pour le meulage d'arbres à cames Withdrawn EP1445066A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10301324 2003-01-15
DE10301324 2003-01-15

Publications (1)

Publication Number Publication Date
EP1445066A1 true EP1445066A1 (fr) 2004-08-11

Family

ID=32602570

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04000417A Withdrawn EP1445066A1 (fr) 2003-01-15 2004-01-12 Dispositif et procédé pour le meulage d'arbres à cames

Country Status (2)

Country Link
EP (1) EP1445066A1 (fr)
DE (1) DE10302685A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2298495A2 (fr) * 2009-09-22 2011-03-23 Schaudt Mikrosa GmbH Machine de meulage pour meuler des cames
EP2559518A2 (fr) 2011-08-15 2013-02-20 EMAG Holding GmbH Meuleuse simultanée
CN108015656A (zh) * 2017-12-04 2018-05-11 浙江格铭工艺品有限公司 一种竹子截断去毛刺一体机
CN110370110A (zh) * 2019-06-27 2019-10-25 江苏理工学院 一种汽车凸轮轴端面打磨装置
CN112077724A (zh) * 2020-09-21 2020-12-15 金卫明 一种用于航空插头壳体加工用抛光设备
CN112207688A (zh) * 2020-09-30 2021-01-12 广东鼎泰机器人科技有限公司 一种六站式刀具加工机

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106926100B (zh) * 2017-03-03 2019-06-11 常熟市双月机械有限公司 一种高效率磨床

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0543079A1 (fr) * 1991-11-18 1993-05-26 Schaudt Maschinenbau GmbH Méthode à commande numérique pour meuler la came d'un arbre à cames
US6233810B1 (en) * 1998-06-25 2001-05-22 Hegenscheidt-Mfd Gmbh & Co. Kg Apparatus for machining workpieces

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE429989C (de) * 1925-05-10 1926-06-09 Herkules Maschf Grob- und Feinrundschleifen von Wellen mittels zweier auf entgegengesetzten Werkstueckseiten auf je einem besonderen Schlitten angeordneter Schleifscheiben
IT1295183B1 (it) * 1997-09-17 1999-05-04 Biesse Spa Macchina operatrice, e relativo procedimento, per la lavorazione di corpi piani.
DE19919893A1 (de) * 1999-04-30 2000-11-09 Junker Erwin Maschf Gmbh Vor- und Fertigschleifen einer Kurbelwelle in einer Aufspannung

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0543079A1 (fr) * 1991-11-18 1993-05-26 Schaudt Maschinenbau GmbH Méthode à commande numérique pour meuler la came d'un arbre à cames
US6233810B1 (en) * 1998-06-25 2001-05-22 Hegenscheidt-Mfd Gmbh & Co. Kg Apparatus for machining workpieces

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2298495A2 (fr) * 2009-09-22 2011-03-23 Schaudt Mikrosa GmbH Machine de meulage pour meuler des cames
EP2559518A2 (fr) 2011-08-15 2013-02-20 EMAG Holding GmbH Meuleuse simultanée
EP2559518A3 (fr) * 2011-08-15 2017-08-02 EMAG Holding GmbH Meuleuse simultanée
CN108015656A (zh) * 2017-12-04 2018-05-11 浙江格铭工艺品有限公司 一种竹子截断去毛刺一体机
CN110370110A (zh) * 2019-06-27 2019-10-25 江苏理工学院 一种汽车凸轮轴端面打磨装置
CN112077724A (zh) * 2020-09-21 2020-12-15 金卫明 一种用于航空插头壳体加工用抛光设备
CN112077724B (zh) * 2020-09-21 2021-11-30 湖南万航科技有限公司 一种用于航空插头壳体加工用抛光设备
CN112207688A (zh) * 2020-09-30 2021-01-12 广东鼎泰机器人科技有限公司 一种六站式刀具加工机
CN112207688B (zh) * 2020-09-30 2022-06-03 广东鼎泰机器人科技有限公司 一种六站式刀具加工机

Also Published As

Publication number Publication date
DE10302685A1 (de) 2004-08-05

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