EP0912269A1 - Verfahren zum drehfesten anordnen von teilen auf einer welle - Google Patents
Verfahren zum drehfesten anordnen von teilen auf einer welleInfo
- Publication number
- EP0912269A1 EP0912269A1 EP97927056A EP97927056A EP0912269A1 EP 0912269 A1 EP0912269 A1 EP 0912269A1 EP 97927056 A EP97927056 A EP 97927056A EP 97927056 A EP97927056 A EP 97927056A EP 0912269 A1 EP0912269 A1 EP 0912269A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- shaft
- mandrel
- hollow shaft
- components
- cams
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims description 12
- 238000005304 joining Methods 0.000 claims description 5
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 238000005553 drilling Methods 0.000 abstract 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/84—Making other particular articles other parts for engines, e.g. connecting-rods
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/84—Making other particular articles other parts for engines, e.g. connecting-rods
- B21D53/845—Making camshafts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
- B21D39/06—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of tubes in openings, e.g. rolling-in
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/06—Making machine elements axles or shafts
- B21K1/063—Making machine elements axles or shafts hollow
-
- 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
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49229—Prime mover or fluid pump making
- Y10T29/49293—Camshaft making
-
- 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
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49764—Method of mechanical manufacture with testing or indicating
- Y10T29/49771—Quantitative measuring or gauging
- Y10T29/49776—Pressure, force, or weight determining
-
- 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
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49826—Assembling or joining
- Y10T29/49908—Joining by deforming
- Y10T29/49938—Radially expanding part in cavity, aperture, or hollow body
- Y10T29/4994—Radially expanding internal tube
-
- 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
- Y10T29/00—Metal working
- Y10T29/53—Means to assemble or disassemble
- Y10T29/53039—Means to assemble or disassemble with control means energized in response to activator stimulated by condition sensor
- Y10T29/53061—Responsive to work or work-related machine element
- Y10T29/53065—Responsive to work or work-related machine element with means to fasten by deformation
Definitions
- the invention relates to a method for the rotationally fixed connection of a hollow shaft with at least one part arranged on the shaft, in which the part is brought onto the shaft with a joining play and is fastened on the shaft in a certain position by lifting the joining play.
- the invention was therefore the object of providing a simple and inexpensive way to secure parts such as cams, discs, gears and the like securely, in particular secured against rotation on shafts. It solves this problem in the manner stated in the characterizing part of claim 1 and with the device characterized in claim 4.
- the expansion of a hollow shaft by means of a mandrel moved by the shaft is a deformation process that is manageable and easy to control.
- the extent to which the hollow shaft has to be expanded in order to achieve the desired secure seating of the parts is generally small and therefore does not pose any problems in terms of work technology or material.
- the widening can also be done in stages by moving several mandrels or one step mandrel with increasingly larger widening diameters through the hollow shaft.
- This embodiment has the advantage that the material can relax after a shaping process before the next stretching process follows. In this way, the risk of structural damage can be avoided.
- the mandrel can be pushed through the shaft, but it is preferred to pull it.
- the cross section of the hollow shaft is circular inside and outside, as is the bore of a part to be fastened on the shaft.
- the contours of these parts which come into engagement with one another can, however, also have non-round, for example oval or polygonal and also matching or slightly different cross sections.
- a particularly secure fit of a part to be fastened on the hollow shaft is achieved if the bore of this part has a profile, for example in the form of a toothing, into which the material displaced when the hollow shaft is expanded flows and thus a positive connection between the part and the shaft.
- a device suitable for carrying out the method mentioned is shown schematically by way of example.
- the figure shows the device when expanding a hollow shaft in longitudinal section through the same.
- cams are selected; it is understood that the method and the device can also be used to fasten other types of parts.
- cams 2 On a hollow shaft 1, three cams 2 are lined up and held in the intended position along the shaft and in the angular position relative to the shaft by brackets (not shown). In the initial state, the cams 2 have a joint play 3 with the shaft, which allows them to be lined up. The face of the shaft 1 abuts a fixed stop 4.
- a piston-shaped mandrel 5 is fastened to a pull rod 6, the annular groove 7 of which can be coupled to the piston rod 10 of a hydraulic working element 11 at its end facing away from the mandrel via pawls 8 of a driving head 9.
- the outer diameter of the mandrel 5 is greater than the clear width of the hollow shaft 1 by at least the joint play 3 between the shaft 1 and the cams 2.
- the mandrel 5 passes with a cone 12 from the pull rod 6 to its outer diameter.
- the mandrel 5 has already been pulled so far through the hollow shaft 1 and has deformed it so that it not only removes the joint play 3 between the first cam 2, but also produces an interference fit between the shaft and cam with such high surface pressure has been that the cam is attached to the shaft with the holding force required for its proper function. At the Pulling the mandrel 5 through the entire length of the shaft 1 also fixes the other cams 2.
- the mandrel 5 can be coupled by lifting the pawls 8 out of the annular groove 7 from the driving head 9 and, after inserting its pull rod 6 through the next hollow shaft to be machined, can be coupled again to the driving head.
- the parameters joint play 3 difference between the outer diameter of the mandrel 5 and the inside width of the hollow shaft 1, modulus of elasticity of the material of the shaft 1 and the cams 2, and the required holding force of the cams on the shaft must of course be coordinated with one another.
- a plurality of mandrels or a stepped mandrel can also be used in succession, the diameter of which or the diameter of the mandrel increase to the final dimension in the same or preferably decreasing stages.
- the outer contours of the individual mandrels or steps can be different.
- the cams 2 are achieved in circular, smooth bores. If the bores of the cams 2 have a profile, for example in the form of a toothing, the material of the shaft 1 displaced by the mandrel 5 is pressed into this profile and a positive fit is achieved with a substantially higher holding force.
- the profile can be very coarse, for example, wave-shaped, and the mandrel 5 can have a corresponding profile, so that the material of the shaft can be pressed specifically into the valleys of the profile.
- the required tensile force depends on several factors such as wall thickness of the hollow shaft 1, rigidity of the material of the shaft, slope of the cone 12 on the mandrel 5, pulling speed of the dome, etc. It is obvious that the resistance of the hollow shaft to the expansion and thus the tensile force will increase significantly at the places where a cam 2 sits on the shaft, since this cam hinders the expansion of the shaft.
- the increase in tractive force at these points can be recorded and serve as an indicator of whether the desired firm seat of the cam has been reached.
- a force measuring element for example in the form of a strain gauge 13 can be attached to the driver head 9, which absorbs the tensile force exerted and forwards it to a comparison device 14.
- a linear scale 15 is also articulated on the driver head 9 and is scanned by a sensor 16 which is also connected to the comparison device 14.
- the tensile force required for the desired holding force of a cam 2 on the hollow shaft 1 and the locations along the hollow shaft at which this tensile force must occur can be determined. These values can be given to the comparison device 14. It then compares in the following operations whether the specified values are reached and emits an error signal if this is not the case. This can occur, for example, if the bore of a cam is 2 oversize, the wall thickness of the hollow shaft may only be too small at the point in question, a cam may not be at the intended location or may be missing, etc.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Assembly (AREA)
- Gears, Cams (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19625555A DE19625555C2 (de) | 1996-06-26 | 1996-06-26 | Verfahren und Vorrichtung zum drehfesten Verbinden einer hohlen Welle mit mindestens einem auf der Welle angeordneten Teil |
DE19625555 | 1996-06-26 | ||
PCT/EP1997/002752 WO1997049511A1 (de) | 1996-06-26 | 1997-05-28 | Verfahren zum drehfesten anordnen von teilen auf einer welle |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0912269A1 true EP0912269A1 (de) | 1999-05-06 |
EP0912269B1 EP0912269B1 (de) | 2000-01-26 |
Family
ID=7798064
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97927056A Expired - Lifetime EP0912269B1 (de) | 1996-06-26 | 1997-05-28 | Verfahren zum drehfesten anordnen von teilen auf einer welle |
Country Status (8)
Country | Link |
---|---|
US (1) | US6125537A (de) |
EP (1) | EP0912269B1 (de) |
JP (1) | JP2000512555A (de) |
KR (1) | KR100317837B1 (de) |
BR (1) | BR9709986A (de) |
DE (2) | DE19625555C2 (de) |
ES (1) | ES2143869T3 (de) |
WO (1) | WO1997049511A1 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19752468A1 (de) * | 1997-11-27 | 1999-06-02 | Mercedes Benz Lenkungen Gmbh | Drehschieberventil für Servolenkungen und Verfahren zu dessen Herstellung |
US6931704B1 (en) | 2003-09-30 | 2005-08-23 | Richard Tanner | Engine valve lifter lifting tool |
DE102005039784A1 (de) | 2005-08-22 | 2007-03-08 | Claas Fertigungstechnik Gmbh | Verfahren und Vorrichtung zum drehfesten Verbinden einer Hohlwelle mit einem Bauteil |
US7610889B2 (en) * | 2006-06-01 | 2009-11-03 | Chrysler Group Llc | Camshaft assembly including a target wheel |
TWI594958B (zh) * | 2008-12-30 | 2017-08-11 | 康寧公司 | 製造用於製作平板玻璃之拉引滾筒的方法 |
DE102011104480A1 (de) * | 2011-06-17 | 2012-12-20 | Daimler Ag | Verbindungsanordnung eines Wellenteils mit einem Nabenteil |
CN104260013B (zh) * | 2014-09-23 | 2016-08-24 | 苏州农业职业技术学院 | 一种基于蜗杆蜗轮与曲柄连杆传动的手动压紧装置 |
DE102016121464B4 (de) * | 2016-11-09 | 2019-05-29 | Schott Ag | Verfahren zur Herstellung einer Vorrichtung zum Einsatz in der Glaserzeugung und damit hergestellte Vorrichtung |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2546802C3 (de) * | 1975-10-18 | 1979-08-09 | Kloeckner-Humboldt-Deutz Ag, 5000 Koeln | Nockenwette für Hubkolbenmaschinen |
US4635333A (en) * | 1980-06-05 | 1987-01-13 | The Babcock & Wilcox Company | Tube expanding method |
JPS5916634A (ja) * | 1982-07-19 | 1984-01-27 | Riken Corp | 管状部材と環体部品の結合構造とその結合方法 |
JPS59104226A (ja) * | 1982-12-08 | 1984-06-16 | Hitachi Ltd | 管状部材と環体部品の結合構造 |
DE3301749A1 (de) * | 1983-01-20 | 1984-08-09 | Mahle Gmbh, 7000 Stuttgart | Nockenwelle fuer verbrennungsmotoren |
US4597365A (en) * | 1985-02-07 | 1986-07-01 | General Motors Corporation | Camshaft assembly and method |
US4781076A (en) * | 1986-01-17 | 1988-11-01 | The Torrington Company | Camshaft for reciprocating piston engines |
DE3638310A1 (de) * | 1986-11-10 | 1988-05-19 | Klaus Dipl Ing Kienhoefer | Nockenwelle fuer ventilgesteuerte motoren |
US4809562A (en) * | 1987-09-30 | 1989-03-07 | The Torrington Company | Camshaft manufacture |
DE3803687A1 (de) * | 1988-02-07 | 1989-08-17 | Emitec Emissionstechnologie | Gebaute nockenwelle |
US5280675A (en) * | 1992-07-13 | 1994-01-25 | The Torrington Company | Camshaft and method of making a camshaft |
FR2698303B1 (fr) * | 1992-11-24 | 1994-12-23 | Sintertech | Procédé de frettage d'au moins une pièce métallique ayant un alésage annulaire autour d'un tube métallique, ensemble obtenu et utilisation du procédé. |
JPH07124670A (ja) * | 1993-11-08 | 1995-05-16 | Hidaka Seiki Kk | 拡管ビレット |
-
1996
- 1996-06-26 DE DE19625555A patent/DE19625555C2/de not_active Expired - Fee Related
-
1997
- 1997-05-28 DE DE59701073T patent/DE59701073D1/de not_active Expired - Fee Related
- 1997-05-28 KR KR1019980710578A patent/KR100317837B1/ko not_active IP Right Cessation
- 1997-05-28 US US09/214,068 patent/US6125537A/en not_active Expired - Fee Related
- 1997-05-28 JP JP10502172A patent/JP2000512555A/ja active Pending
- 1997-05-28 ES ES97927056T patent/ES2143869T3/es not_active Expired - Lifetime
- 1997-05-28 BR BR9709986A patent/BR9709986A/pt not_active IP Right Cessation
- 1997-05-28 WO PCT/EP1997/002752 patent/WO1997049511A1/de active IP Right Grant
- 1997-05-28 EP EP97927056A patent/EP0912269B1/de not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO9749511A1 * |
Also Published As
Publication number | Publication date |
---|---|
KR100317837B1 (ko) | 2002-06-20 |
EP0912269B1 (de) | 2000-01-26 |
US6125537A (en) | 2000-10-03 |
DE19625555A1 (de) | 1998-01-02 |
ES2143869T3 (es) | 2000-05-16 |
BR9709986A (pt) | 1999-08-10 |
KR20000022160A (ko) | 2000-04-25 |
DE19625555C2 (de) | 1999-08-05 |
DE59701073D1 (de) | 2000-03-02 |
JP2000512555A (ja) | 2000-09-26 |
WO1997049511A1 (de) | 1997-12-31 |
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