Classifications

• • 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
  • B24B33/00—Honing machines or devices; Accessories therefor
  • B24B33/02—Honing machines or devices; Accessories therefor designed for working internal surfaces of revolution, e.g. of cylindrical or conical shapes
• • 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
  • Y10T428/00—Stock material or miscellaneous articles
  • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
  • Y10T428/24273—Structurally defined web or sheet [e.g., overall dimension, etc.] including aperture
  • Y10T428/24322—Composite web or sheet

Definitions

• the invention relates to the field of workpieces, in which segmental holes are provided, which for example have the function of a bearing.
• segmented holes in particular half-shells, which serve as a bearing, for example, the qualitative characteristics, shape and
• inventive method with the features of claim 1 and the workpiece according to the invention with the features of claim 7 have the advantage that a cost-effective production of a segment bore with advantageous properties is possible. Specifically, there is the advantage that segmented holes can be made in all angular variations.
• the measures listed in the dependent claims are advantageous
• the qualitative features, shape and bearing tolerances, diameter tolerances and surface qualities of a segmented bore can be determined, for example, by the fact that the shape and bearing tolerances are smaller than 2 ⁇ m, that the diameter tolerances are smaller than 20 ⁇ m and that surface qualities with a roughness (R Value) of less than 2 ⁇ are achieved. Unlike one Grinding methods can be implemented inexpensively by honing such quality features.
• the surface has a positive effect on the sliding and lubricating properties. It is advantageous that the workpieces are arranged to each other so that the
• the multiple superposition here can be twice or preferably more than two times. As a result, the leadership of the honing tool can optionally be further improved.
• the workpieces are arranged at least partially distributed along the longitudinal axis.
• at least two adjacent workpieces of the workpieces distributed along the longitudinal axis are arranged around the common longitudinal axis such that the segment bores of the adjacent workpieces have a low overlap in the projection along the common longitudinal axis.
• these adjacent workpieces may be disposed about the common longitudinal axis such that the segmental bores of the adjacent workpieces have minimal overlap when projected along the common longitudinal axis.
• Honing tool reduced.
• a uniform guidance of the honing in the region of the segment bores of the workpieces along the common longitudinal axis and thus a uniform chip removal is possible.
• the desired qualitative features can be achieved in an advantageous manner.
• the workpieces are arranged rigidly and that a honing heald, which is guided for honing the segment bores of the workpieces arranged to one another with a feed along the common longitudinal axis through the segment bores, is mounted gimbally. It is also possible, however, that the workpieces are each gimbaled and that a honeydew honing the
• Segment bores of the mutually arranged workpieces is guided relative to the workpieces along the common longitudinal axis through the segment bores, is rigidly mounted.
• the workpiece which has the honed segment bore, serves as a bearing element, wherein the honed segment bore serves as a bearing surface.
• the honed segment bore is designed as a partially cylindrical, honed segment bore.
• the workpiece may be configured as a half-shell.
• the bearing element can serve, for example, for receiving a roll on the honed segment surface.
• the tribological properties of the produced by honing bearing surface of the workpiece have a positive effect on the sliding and
• FIG. 1 shows an arrangement of workpieces for illustrating the method according to the invention according to an embodiment
• FIG. 2 shows the arrangement of the workpieces shown in FIG. 1 from the viewing direction designated II
• FIG. 1 shows an arrangement of workpieces for illustrating the method according to the invention according to an embodiment
• FIG. 2 shows the arrangement of the workpieces shown in FIG. 1 from the viewing direction designated II
• FIG. 1 shows an arrangement of workpieces for illustrating the method according to the invention according to an embodiment
• Fig. 3 shows a workpiece which is produced by a method according to the embodiment of the invention.
• Fig. 1 shows an arrangement of workpieces 1, 2, 3, 4 with segment bores 5, 6, 7, 8 in an arrangement for carrying out a method for producing honed
• the workpieces 1 to 4 can each be rigidly mounted.
• the workpieces 1 to 4 are arranged relative to one another such that the individual segment bores 5 to 8 of the workpieces 1 to 4 are aligned on a common longitudinal axis 9.
• each of the individual Bore axes of the segment bores 5 to 8 identical to the longitudinal axis 9 or these individual bore axes are at least approximately on the longitudinal axis 9.
• the workpieces 1 to 4 along the longitudinal axis 9 are arranged distributed. This is necessary in this embodiment, since the individual segment bores 5 to 8 are each designed with segments of 180 ° or more, in this case more than 180 °.
• the workpieces 1 to 4 are arranged around the longitudinal axis 9 such that a projection along the common longitudinal axis 9 forms a closed circle.
• the direction of the projection is indicated in FIG. 1 by II.
• Workpieces 1 to 4 arranged in a suitable manner with respect to the longitudinal axis 9 or rotated with respect to the longitudinal axis 9.
• a multiple overlay is formed, which can be twice or more than twice. This creates a secure guide for a honing tool 10, which has a Honahle.
• the honing tool 10 is guided along the longitudinal axis 9 through the segment bores 5 to 8 of the workpieces 1 to 4.
• the honing tool 10 can be mounted gimbal. It is also possible that the honing tool 10 is rigidly mounted, while the workpieces 1 to 4 are mounted gimbal. Also other combinations of tool and
• Segment bores 5 to 8 are formed in the workpieces 1 to 4.
• Fig. 2 shows the arrangement of the workpieces 1 to 4 from the in Fig. 1 denoted by II viewing direction.
• the two segment bores 5, 6 of the workpieces 1 to 2 are composed so that they have the common longitudinal axis 9. Since the two segment bores 5 to 6 in this embodiment each extend over segments of more than 180 °, in particular, the segment bore 5 of the extends
• Fig. 3 shows the workpiece 1 in a schematic sectional view.
• the workpiece 1 can be configured in particular as a bearing element 1.
• the workpiece 1 has the honed segment bore 5, which can serve as a bearing surface 5.
• the bearing surface 5 can serve to support a roll.
• the segment bore 5 is in this case formed by a partially cylindrical recess 13, so that the bearing surface 5 is located on a cylinder jacket.
• Segment bores 6, 7, 8 of the workpieces 2, 3, 4 arise at the segment bore 5 and also the other segment bores 6 to 8 typical machining marks. These process-typical machining marks on the honed segment bore 5 have a favorable effect on the sliding and lubricating properties.
• the workpiece 1 has a honed segment bore 5, which extends over a segment 1 1 of more than 180 °.
• the workpiece 1 may also have a segment bore 5 in the form of a sheath bore, wherein the segment 1 1 then extends at least approximately 180 °.
• the segment 1 1 of the segment bore 5 may be less than 180 °.
• a larger number of workpieces that are required to form a closed circuit 12.

Applications Claiming Priority (2)

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• 2009
  • 2009-12-18 DE DE102009054946A patent/DE102009054946A1/de not_active Withdrawn
• 2010
  • 2010-10-25 EP EP10778905A patent/EP2512736A1/de not_active Withdrawn
  • 2010-10-25 WO PCT/EP2010/066061 patent/WO2011072926A1/de active Application Filing
  • 2010-10-25 US US13/516,761 patent/US20120321845A1/en not_active Abandoned
  • 2010-10-25 CN CN201080057694.2A patent/CN102695586A/zh active Pending

Non-Patent Citations (1)

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