EP1675704A1 - Transmission de machine-outil - Google Patents

Transmission de machine-outil

Info

Publication number
EP1675704A1
EP1675704A1 EP04765685A EP04765685A EP1675704A1 EP 1675704 A1 EP1675704 A1 EP 1675704A1 EP 04765685 A EP04765685 A EP 04765685A EP 04765685 A EP04765685 A EP 04765685A EP 1675704 A1 EP1675704 A1 EP 1675704A1
Authority
EP
European Patent Office
Prior art keywords
spindle
output shaft
gear
machine tool
transmission
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Withdrawn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
EP04765685A
Other languages
German (de)
English (en)
Inventor
Harald Eckert
Ulrich Ludwig Kuchelmeister
Eckhard FÖRSTER
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.)
ZF Friedrichshafen AG
Original Assignee
ZF Friedrichshafen AG
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
Priority claimed from DE2003148755 external-priority patent/DE10348755A1/de
Priority claimed from DE2003148757 external-priority patent/DE10348757A1/de
Priority claimed from DE200410003685 external-priority patent/DE102004003685A1/de
Priority claimed from DE200410003684 external-priority patent/DE102004003684A1/de
Application filed by ZF Friedrichshafen AG filed Critical ZF Friedrichshafen AG
Publication of EP1675704A1 publication Critical patent/EP1675704A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
    • F16H3/46—Gearings having only two central gears, connected by orbital gears
    • F16H3/48—Gearings having only two central gears, connected by orbital gears with single orbital gears or pairs of rigidly-connected orbital gears
    • F16H3/52—Gearings having only two central gears, connected by orbital gears with single orbital gears or pairs of rigidly-connected orbital gears comprising orbital spur gears
    • F16H3/54—Gearings having only two central gears, connected by orbital gears with single orbital gears or pairs of rigidly-connected orbital gears comprising orbital spur gears one of the central gears being internally toothed and the other externally toothed
    • 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
    • B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/0009—Energy-transferring means or control lines for movable machine parts; Control panels or boxes; Control parts
    • B23Q1/0018—Energy-transferring means or control lines for movable machine parts; Control panels or boxes; Control parts comprising hydraulic means
    • B23Q1/0027—Energy-transferring means or control lines for movable machine parts; Control panels or boxes; Control parts comprising hydraulic means between moving parts between which an uninterrupted energy-transfer connection is maintained
    • B23Q1/0036—Energy-transferring means or control lines for movable machine parts; Control panels or boxes; Control parts comprising hydraulic means between moving parts between which an uninterrupted energy-transfer connection is maintained one of those parts being a tool
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
    • F16H2200/0034—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising two forward speeds
    • 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
    • Y10T408/00—Cutting by use of rotating axially moving tool
    • Y10T408/91—Machine frame
    • 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
    • Y10T409/309352—Cutter spindle or spindle support
    • 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
    • Y10T409/309352—Cutter spindle or spindle support
    • Y10T409/309408—Cutter spindle or spindle support with cutter holder
    • Y10T409/309464—Cutter spindle or spindle support with cutter holder and draw bar

Definitions

  • the present invention relates to a machine tool gear, in particular a spindle gear according to the preamble of claim 1.
  • such transmissions which usually comprise a two-stage planetary gear and a corresponding switching device, are arranged axially parallel to the spindle, the force being transmitted to the spindle by means of belts or gear wheels.
  • the high drive torques require high tensile strength and biased "belt and a wide support base for the wide-scale pulleys.
  • cylindrical roller bearings or similar bearings are needed in the transmission output because the belt forces are high.
  • the present invention has for its object to provide a machine tool gear, in particular a spindle gear, in which the disadvantages of the prior art are avoided.
  • the noise level is to be reduced in the transmission according to the invention; furthermore, undesirable vibrations are to be largely avoided.
  • the manufacturing costs are to be reduced and the required installation space optimized.
  • a spindle gear in which the Kraft upon the output shaft of the gearbox to the spindle, the spindle preferably being arranged coaxially with the output shaft.
  • the output shaft of the gearbox is directly connected to the spindle; the torsion-proof connection between the spindle and the output shaft can be positive or non-positive.
  • a connecting part can also be provided between the spindle and the output shaft.
  • an output shaft which is mounted in a short bearing housing and which drives the spindle. This has the advantage that the overall length of the transmission is noticeably reduced.
  • bearings which are almost free of play such as angular contact ball bearings, are suitable for mounting the output shaft; this allows the torque to be transferred to the spindle without vibration.
  • the design according to the invention eliminates the need for a belt or gear drive for the spindle, so that the vibrations and noises caused thereby, the temperature increase due to the flexing work of the belt and the design-related speed limitation are avoided. Furthermore, the elimination of the belt, belt disc or gears achieved significant cost savings; for example, no additional lubrication and cooling of the gears on the output is necessary.
  • a further advantage of the invention is the extensive reduction in oil splash losses between the bearings, since there is a smaller amount of oil in this area.
  • the transmission advantageously requires no maintenance on the output; state-of-the-art gearboxes require retensioning or belt replacement.
  • the direct torque transmission prevents incorrect settings of the belt pretensioning forces, which can damage the spindle bearings on the one hand and cause the belt to slip on the other.
  • the spindle bearing life is increased because no transverse forces due to belt, tooth circumference and axial forces act on the spindle bearings.
  • all parts of the transmission are arranged in a housing, which results in an independence of the operation from external influences.
  • a coolant mist could cause the belt to slip.
  • the arrangement in a housing also increases occupational safety since there are no freely rotating parts.
  • Planetary gears such as those used in machine tool gears, in particular spindle gears, are known to the person skilled in the art. for example from the applicant's EP 1 169582 B1. However, other types of gears can also be used.
  • the figure shows a spindle gear 1, which comprises an input shaft 2, an output shaft 3 and a two-stage planetary gear arranged in the direction of force flow between the input shaft and the input shaft.
  • the planetary gear has a sun gear 4 connected to the drive shaft, a ring gear 5 mounted in a ring gear bearing 6 and a planet carrier 7 with planet 8 which forms the output of the planetary gear.
  • a sliding sleeve 9, a shift fork 10 and a brake disc 11 are provided; the switching unit comprises a solenoid 12, which acts on a shift lever 13 connected to the shift fork 10.
  • the sliding sleeve can assume a neutral position, a first switching position in which the ring gear 5 is coupled to the gear housing 14 and a second switching position in which the ring gear 5 is coupled to the sun gear 4.
  • the output shaft 3 is supported by means of angular contact ball bearings 16, 17 arranged in a bearing housing 15; as a result, the torque can be transmitted from the output shaft 3 to the spindle in a vibration-free manner, which enables a direct connection of the output shaft 3 to the spindle and thus a coaxial and space-saving arrangement.

Abstract

L'invention concerne une transmission destinée à une machine-outil, notamment une transmission de broche. La transmission de force et de couple de l'arbre mené (3) de la transmission (1) à la broche s'effectue directement, la broche étant de préférence coaxiale à l'arbre mené (3).
EP04765685A 2003-10-21 2004-09-29 Transmission de machine-outil Withdrawn EP1675704A1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE2003148755 DE10348755A1 (de) 2003-10-21 2003-10-21 Planetengetriebe
DE2003148757 DE10348757A1 (de) 2003-10-21 2003-10-21 Planetengetriebe
DE200410003685 DE102004003685A1 (de) 2004-01-24 2004-01-24 Werkzeugmaschinengetriebe
DE200410003684 DE102004003684A1 (de) 2004-01-24 2004-01-24 Werkzeugmaschinengetriebe
PCT/EP2004/010886 WO2005049266A1 (fr) 2003-10-21 2004-09-29 Transmission de machine-outil

Publications (1)

Publication Number Publication Date
EP1675704A1 true EP1675704A1 (fr) 2006-07-05

Family

ID=34623834

Family Applications (4)

Application Number Title Priority Date Filing Date
EP04787049A Expired - Fee Related EP1676059B1 (fr) 2003-10-21 2004-09-29 Engrenage planetaire
EP04765685A Withdrawn EP1675704A1 (fr) 2003-10-21 2004-09-29 Transmission de machine-outil
EP04765683A Active EP1676051B1 (fr) 2003-10-21 2004-09-29 Engrenage planetaire
EP04765684A Expired - Fee Related EP1675703B1 (fr) 2003-10-21 2004-09-29 Transmission d'une machine-outil

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP04787049A Expired - Fee Related EP1676059B1 (fr) 2003-10-21 2004-09-29 Engrenage planetaire

Family Applications After (2)

Application Number Title Priority Date Filing Date
EP04765683A Active EP1676051B1 (fr) 2003-10-21 2004-09-29 Engrenage planetaire
EP04765684A Expired - Fee Related EP1675703B1 (fr) 2003-10-21 2004-09-29 Transmission d'une machine-outil

Country Status (7)

Country Link
US (4) US7404779B2 (fr)
EP (4) EP1676059B1 (fr)
JP (4) JP2007508951A (fr)
KR (1) KR101098617B1 (fr)
DE (3) DE502004006794D1 (fr)
ES (3) ES2305861T3 (fr)
WO (4) WO2005049265A1 (fr)

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JP5839496B2 (ja) * 2012-11-26 2016-01-06 住友重機械工業株式会社 遊星歯車装置
JP6216392B2 (ja) * 2013-11-12 2017-10-18 川崎重工業株式会社 動力伝達システムの潤滑構造
TWI556906B (zh) * 2014-11-21 2016-11-11 財團法人工業技術研究院 工具機之傳動機構及其操控方法
DE102015100169B3 (de) * 2015-01-08 2016-01-28 German Tech Precision Co., Ltd. Umlaufgetriebe
KR101873790B1 (ko) 2016-03-16 2018-07-03 자동차부품연구원 전기자동차용 2단 변속장치
CN107387690A (zh) * 2017-08-29 2017-11-24 江苏宏大特种钢机械厂有限公司 一种传动系统及加工设备
CN114871823B (zh) * 2022-05-26 2023-04-11 大连理工大学 一种自动进给钻削单元的模块化传动装置

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Also Published As

Publication number Publication date
JP2007508950A (ja) 2007-04-12
JP4772685B2 (ja) 2011-09-14
ES2307046T3 (es) 2008-11-16
US20070099744A1 (en) 2007-05-03
DE502004006794D1 (de) 2008-05-21
JP2007508951A (ja) 2007-04-12
EP1675703A1 (fr) 2006-07-05
KR101098617B1 (ko) 2011-12-23
KR20060103258A (ko) 2006-09-28
EP1676051A1 (fr) 2006-07-05
WO2005050066A1 (fr) 2005-06-02
WO2005049266A1 (fr) 2005-06-02
US20060270518A1 (en) 2006-11-30
EP1675703B1 (fr) 2008-04-09
JP4918362B2 (ja) 2012-04-18
WO2005050061A1 (fr) 2005-06-02
WO2005049265A1 (fr) 2005-06-02
ES2303953T3 (es) 2008-09-01
US7445576B2 (en) 2008-11-04
DE502004007086D1 (de) 2008-06-19
DE502004007084D1 (de) 2008-06-19
US7404779B2 (en) 2008-07-29
ES2305861T3 (es) 2008-11-01
US20070142160A1 (en) 2007-06-21
JP2007508949A (ja) 2007-04-12
EP1676059B1 (fr) 2008-05-07
US20070032336A1 (en) 2007-02-08
EP1676051B1 (fr) 2008-05-07
EP1676059A1 (fr) 2006-07-05
JP2007509293A (ja) 2007-04-12
US7360977B2 (en) 2008-04-22

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