US3143832A - Device for adjusting grinding disks - Google Patents

Device for adjusting grinding disks Download PDF

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Publication number
US3143832A
US3143832A US223706A US22370662A US3143832A US 3143832 A US3143832 A US 3143832A US 223706 A US223706 A US 223706A US 22370662 A US22370662 A US 22370662A US 3143832 A US3143832 A US 3143832A
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US
United States
Prior art keywords
grinding
roller
support
feed
grinding disk
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.)
Expired - Lifetime
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US223706A
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English (en)
Inventor
Waldrich Oskar
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Individual
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Individual
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Publication date
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Publication of US3143832A publication Critical patent/US3143832A/en
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Classifications

    • 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
    • B23Q15/00—Automatic control or regulation of feed movement, cutting velocity or position of tool or work
    • B23Q15/007—Automatic control or regulation of feed movement, cutting velocity or position of tool or work while the tool acts upon the workpiece
    • B23Q15/12—Adaptive control, i.e. adjusting itself to have a performance which is optimum according to a preassigned criterion
    • 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
    • B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
    • B24B49/18—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation taking regard of the presence of dressing tools
    • B24B49/183—Wear compensation without the presence of dressing tools

Definitions

  • the first step is to set the depth of the cut.
  • the grinding continues from one end of the stroke to the other end with this set thickness of cut.
  • the feed and thus the depth of the cut change during the stroke. Since the feed takes place at both stroke ends, the wear of the grinding disk is particularly pronounced in the middle of the grinding stroke, with the result that a work piece with a bulging outer surface is produced.
  • An object of the present invention is to eliminate these drawbacks of prior art grinding.
  • the present invention is also based on the realization that the wear of the grinding disk does not depend only upon the relation of the material of the work piece to the grinding material, but also upon the cross section of the cut. The smaller the cross section of the cut, the smaller will be the deviation of a work piece from its correct cylindrical form.
  • FIGURE 1 is a side view, partly in section, showing a grinding wheel support of a roller grinding machine.
  • FIG. 2 The drawings show a grinding machine having a bed 5.
  • a support 6 is mounted upon the bed 5 and is movable in the longitudinal direction upon a V-shaped guide 7 and a horizontal flat guide 8.
  • An upper support 9 is slidably mounted upon the support 6; it is guided by V-shaped guides 10 and actuated by a feed spindle 11 (FIG. 2).
  • a quick mechanical feed of the upper support 9 can be carried out by means of a motor 12 driving a gear wheel 13 connected with a worm 14 meshing with a worm gear 15 which is connected with the feed spindle 11.
  • a rough preliminary manual adjustment in the same direction can be effected by a hand wheel 16 actuating spur wheels 17 which drive a pair of cone gears 18 connected with a shaft 19, actuating a worm drive 20 upon a shaft 21 which transmits the drive over a further worm drive 22 to feed spindle 11 (FIG. 2).
  • the bulge-turning device is connected with a carrier 26 which is pivotally mounted upon the upper support 9 and which carries the grinding disk 27.
  • the carrier 26 is swingable about the axis of the shaft 21.
  • the swinging of the carrier 26 is accomplished by an eccentric 28 acting upon a ram 29 which engages a roller 30 carried by an angular lever 31.
  • the lever 31 is pivoted at 32 upon the upper support 9 and has a horizontally extending arm 33 provided with a sliding surface 34.
  • the carrier 26 supports for rotation a spindle 37 which is connected with a spindle 35 by a worm drive 36 and which moves a support 38 along a guide 39.
  • the manual fine adjustment of the grinding disk is carried out by a hand wheel 23 the rotation of which is transmitted by means shown in FIG. 1 of the'drawings to a gear'24 and a fine adjustment shaft 25 formed as a pin shaft and rotatably carried by the support 38; the shaft 25 is movable longitudinally in the hub of the gear 24 which is mounted in the grinding disk carrier 26.
  • the grinding disk carrier 26 is provided with a direct current motor 41 having a powerful field, so that it can be regulated within a wide range; the motor 41 drives a shaft 44 through a worm drive 42 and another worm ,7
  • the shaft 44 actuates the gear 17 through a coupling 45 and a toothed wheel 46.
  • the gear 17 may be also operated by the hand wheel 16 for the rough manual adjustment.
  • indicator 49 for the potentiometer setting and next to it is an indicator 50 showing the output of the main motor (not shown) which is used for driving the grinding disk 27.
  • An indicator device 51 is used to show the speeds of rotation of the grinding disk, while an indicator device 52 is used for setting the bulge-turning device.
  • a roller grinding machine having a movable upper support, a feed spindle actuating said upper support, a
  • a potentiometer 47 is used to set the speed of rotation of the motor 41. Close to and to the right of the potentiometer 47 (looking in the direction of FIG. 1) is located an indicator 48 for the fine adjustment, close to it is an an apparatus for compensating the wear of the grinding disk, said apparatus comprising a shaft carried by said upper support and carrying said carrier, said carrier being swingable about said shaft, a lever pivoted to said upper support and having a horizontal sliding surface, a roller carried by said lever, a ram engaging said roller, a rotary spindle carried by said carrier, another support engaging said spindle and movable thereby, another roller carried by said other support and rolling upon said horizontal sliding surface of the lever to swing said carrier for the fine setting of the grinding disk, a hand wheel, a threaded fine adjustment shaft, means operatively connecting said hand wheel with said threaded fine adjustment shaft, 21 wedge piece movable by said threaded fine adjustment shaft, and a counter wedge carried by said other support and engaging said wedge piece, whereby said other sup port is

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)
US223706A 1962-02-13 1962-09-14 Device for adjusting grinding disks Expired - Lifetime US3143832A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEW0031671 1962-02-13

Publications (1)

Publication Number Publication Date
US3143832A true US3143832A (en) 1964-08-11

Family

ID=7599828

Family Applications (1)

Application Number Title Priority Date Filing Date
US223706A Expired - Lifetime US3143832A (en) 1962-02-13 1962-09-14 Device for adjusting grinding disks

Country Status (5)

Country Link
US (1) US3143832A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE (1) BE618885A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH (1) CH399940A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR1324822A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL278937A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3222823A (en) * 1963-04-02 1965-12-14 Cincinnati Milling Machine Co Grinding machine truing compensation mechanism

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2108310A (en) * 1935-12-20 1938-02-15 Norton Co Roll grinding machine
US2168596A (en) * 1935-09-12 1939-08-08 Gardner Machine Co Control apparatus for grinding machines

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2168596A (en) * 1935-09-12 1939-08-08 Gardner Machine Co Control apparatus for grinding machines
US2108310A (en) * 1935-12-20 1938-02-15 Norton Co Roll grinding machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3222823A (en) * 1963-04-02 1965-12-14 Cincinnati Milling Machine Co Grinding machine truing compensation mechanism

Also Published As

Publication number Publication date
BE618885A (fr) 1962-10-01
NL278937A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR1324822A (fr) 1963-04-19
CH399940A (de) 1965-09-30

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