US2176985A - Grinding machine - Google Patents

Grinding machine Download PDF

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Publication number
US2176985A
US2176985A US695455A US69545533A US2176985A US 2176985 A US2176985 A US 2176985A US 695455 A US695455 A US 695455A US 69545533 A US69545533 A US 69545533A US 2176985 A US2176985 A US 2176985A
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Prior art keywords
oct
grinding machine
arms
sheet
sheets
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Expired - Lifetime
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US695455A
Inventor
Merton H Arms
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Bryant Grinder Corp
Bryant Chucking Grinder Co
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Bryant Grinder Corp
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Priority to US695455A priority Critical patent/US2176985A/en
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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
    • B24B47/00—Drives or gearings; Equipment therefor
    • B24B47/02—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables
    • B24B47/06—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables by liquid or gas pressure only

Definitions

  • This invention relates to grinding machines or broken away and in section and showing the the like and has for its object to improve the slide retracted. actuation of such machines so that they may be Figure is a fragmentary and l at h under easy control of the operator. Thus he may log the controlling valve casing, parts being 5 at any time cause such operation of the machine broken away to show the pilot valve control 5 as he may desire, such as producing the grindplate.
  • FIG. 10 is a detail section showing a detent 15 control handle may be manipulated in one manmechanism for the rotary pilot and cylinder her to control the direction of the wheel traverse valves. and in another manner to provide for automatic
  • Figure 11 is a detail elevation showing the truproduction of other actions as will later more ing device in wheel-truing position fully appear.
  • the control may
  • Figure 12 is a diagrammatic view of the hy- 20 be automatic or manual as desired. aull s st m. th valves e n in position to This handle, in accordance with an embodicause the wheel slide to move to the left in Figure ment of.
  • Figure 13 is a diagrammatic view of a portion linear motion perpendicular to the rocking plane, of the hydraulic mechanism showing the parts 2 this last-mentioned motion being employed to in wheel-lifting position and the wheel partly control the traverse between the wheel and the elevated.
  • Figure 14 is a sectional detail to a larger scale wheel dressing, and wheel control for work inof the piston for the lifter valve shown in Fig- 80 spection or replacement. we 13.
  • a further object is to provide for a dwell at one Figure 15 is a view similar to Figure 12, but
  • Figure 16 is a front elevation to a larger scale so A further object is to check the traversing than Figure 1 0f the Valve head and o o ng motion automatically just prior to its reversal. plates in position to cause carriage traverse to Still another object is to so mount the traversthe right. ing carriage that its traversing motion may be
  • Figure 17 is a detail section to a larger scale on regular even at slow traversing speeds.
  • Further objects and advantageous construc- Fi 1 i a detail sectlon on he of o tions will be apparent from a more complete Figure description of embodiments of this invention Shown m the accompanying drawings in which F1352? 19 is a detail section on line lO-IO of Figure 1 is a perspective of a grinding machine Figures!!!) and 21 are detail sections on the corembodying this invention.
  • Figure 2 is a. fragmentary longitudinal section fiz fg numbered section lines of through the tool carrier slide bar and cylinders.
  • Figure 3 is a vertical section through the Figure 22 is a detail section on line 22-22 of chine inwardly of the valve casing and showing Figure su the wheel slides in elevation and in raised posi- Figures 23 and 24 are detail p spe ives o c n operating parts of the dressing throttle shown in Figure 3a is a detail section on line ill-3a of Figures 19 t0 Figure 3.
  • Figure 25 is a diagrammatic view of the hy- Flgure 4 is a fragmentary rear elevation of the draulic feed mechanism.
  • 05 rear end portion 01 t e machine, parts being Figure 26 is a diagrammatic view illustrating 5

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)

Description

Oct. 24, 1939. M s 2,176,985
GRINDING MACHINE Filed Oct. 27, 1953 19 Sheets-Sheet 1 Oct. 24, 1939. M. H. ARMS GRINDING MACHINE Filed Oct. 27, 1953 19 Sheets-Sheet 2 Oct. 24, 1939. M. H. ARMS GRINDING MACHINE Filed Oct. 27, 1935 19 Sheets-Sheet 3 Oct. 24, 1939. ARMS 2,176,985
GRINDING MACHINE Filed Oct. 27, 1933 19 Sheets-Sheet 4 Oct. 24, 1939. ARMS 2,176,985
GRINDING MACHINE Filed Oct. 27, 1953 l9 Sheets-Sheet 5 Oct. 24, 1939. M ARMS 2,176,985
GRINDING MACHINE Filed Oct 27, 1933 19 Sheets-Sheet 6 Oct. 24, 1939. 2,176,985
M. H. ARMS GRINDING MACHINE Filed Oct. 27, 1953 19 Sheets-Sheet 7 if w Oct. 24, 1939. M. H. ARMS GRINDING MACHINE Filed Oct. 27, 1933 19 Sheets-Sheet 8 Oct. 24, 1939. M, ARMS 2,176,985
GRINDING MACHINE Filed Oct. 27, 1953 19 Sheets-Sheet 9 I j! 9/ Q! iii Oct. 24, 1939. M. H. ARMS 2.176.985
GRINDING MACHINE Filed 0st. 27, 1933 19 Sheets-Sheet 1O @Zw a Oct. 24, 1939. M. H. ARMS 2,176,985
GRINDING MACHINE Filed Oct. 27, 1933 19 Sheets-Sheet 11 Oct. 24, 1939. M, ARMS 2,176,985
GRINDING MACHINE Filed 001;. 2'7, 1953 19 ShGOtB-ShGQt 12 jwr W 6 f z Jfop Mam/M in, M W 2 Oct. 24, 1939. 2,176,985
M. H, ARMS GRINDING MACHINE 19 Sheets-Sheet 13 Filed Oct. 2'7, 1933 Oct. 24, 1939. M. H. ARMS 2,176,985
GRINDING MACHINE Filed Oct. 27, 1953 19 Sheets-Sheet l4 aw Z 46 I Q W M Z V I I V17 V r M M wwy f I $1011 A llllli/ll. 14-- f0 v AQ I Oct. 24, 1939. ARMS 2,176,985
GRINDING MACHINE Filed Oct. 27, 1953 19 Sheets-Sheet 15 j'zM/ZZW Zeb W42 4,, fizZYzJJ 09%! W M WW2 Oct. 24, 1939. ARMS 2,176,985
GRINDING MACHINE Filed Oct. 2'7, 1953 19 Sheets-Sheet l6 JZZeciDr Z/aZva Jr:
Oct. 24, 1939. M ARMS 2,176,985
GRINDING MACHINE I 19 Sheets-Sheet 1'7 Filed Oct. 27, 1933 Oct. 24, 1939. M H ARMS 2,176,985
GRINDING MACHINE Filed Oct. 27. 1933 19 Sheeis-Sheet 18 19 Sheets-Sheet 19 Oct. 24, 1939. M. H. ARMS GRINDING MACHINE Filed Oct. 27, 1933 f rd WI NE A s IZ fi Patented Oct. 24, 1939 2,176,985
UNITED STATES PATENT OFFICE GRINDING MACHINE Merton H. Arms, Springfield, Vt assignor to Bryant chucking Grinder Company, Springfield, Vt, a corporation of Vermont Application October 27, 1933, Serial No. 895,455 35 Claims. (CI. 51-50) This invention relates to grinding machines or broken away and in section and showing the the like and has for its object to improve the slide retracted. actuation of such machines so that they may be Figure is a fragmentary and l at h under easy control of the operator. Thus he may log the controlling valve casing, parts being 5 at any time cause such operation of the machine broken away to show the pilot valve control 5 as he may desire, such as producing the grindplate. ing operation, removing the wheel from coopera- Figures 6 and '1 are details of control plates tive relation to the work in such a manner that which may be used for the pilot valve. the work may be removed or replaced, or readily Figure B-is a detail section on line 8-8 of Fi l0 inspected, or eifecting dressing of the wheel. He ure 4. may also control the speed of the machine in ac- Figure 9 is a fragmentary transverse section cordance with the requirements for working, through the machine, but showing the opposite truing the wheel, or idling. end of the wheel slide from Figure 3, the truing A further object is to provide for such control device being in wheel-truing position.
through the use of a single control handle. This Figure 10 is a detail section showing a detent 15 control handle may be manipulated in one manmechanism for the rotary pilot and cylinder her to control the direction of the wheel traverse valves. and in another manner to provide for automatic Figure 11 is a detail elevation showing the truproduction of other actions as will later more ing device in wheel-truing position fully appear. During grinding, the control may Figure 12 is a diagrammatic view of the hy- 20 be automatic or manual as desired. aull s st m. th valves e n in position to This handle, in accordance with an embodicause the wheel slide to move to the left in Figure ment of. the invention hereinafter more fully de- 1 at grinding speed scribed, is mounted for rocking motion and for Figure 13 is a diagrammatic view of a portion linear motion perpendicular to the rocking plane, of the hydraulic mechanism showing the parts 2 this last-mentioned motion being employed to in wheel-lifting position and the wheel partly control the traverse between the wheel and the elevated.
work and the angular motion to control speed, Figure 14 is a sectional detail to a larger scale wheel dressing, and wheel control for work inof the piston for the lifter valve shown in Fig- 80 spection or replacement. we 13.
80 A further object is to provide for a dwell at one Figure 15 is a view similar to Figure 12, but
or both ends of the working traverse, but which with the parts arranged to cause grinding travwill be ineflective whenever the grinding wheel e se in the opposite direction or to the right.
is not in operative relation to the work. Figure 16 is a front elevation to a larger scale so A further object is to check the traversing than Figure 1 0f the Valve head and o o ng motion automatically just prior to its reversal. plates in position to cause carriage traverse to Still another object is to so mount the traversthe right. ing carriage that its traversing motion may be Figure 17 is a detail section to a larger scale on regular even at slow traversing speeds. line 1 |1 of Figure Further objects and advantageous construc- Fi 1 i a detail sectlon on he of o tions will be apparent from a more complete Figure description of embodiments of this invention Shown m the accompanying drawings in which F1352? 19 is a detail section on line lO-IO of Figure 1 is a perspective of a grinding machine Figures!!!) and 21 are detail sections on the corembodying this invention.
Figure 2 is a. fragmentary longitudinal section fiz fg numbered section lines of through the tool carrier slide bar and cylinders.
Figure 3 is a vertical section through the Figure 22 is a detail section on line 22-22 of chine inwardly of the valve casing and showing Figure su the wheel slides in elevation and in raised posi- Figures 23 and 24 are detail p spe ives o c n operating parts of the dressing throttle shown in Figure 3a is a detail section on line ill-3a of Figures 19 t0 Figure 3. Figure 25 is a diagrammatic view of the hy- Flgure 4 is a fragmentary rear elevation of the draulic feed mechanism. 05 rear end portion 01 t e machine, parts being Figure 26 is a diagrammatic view illustrating 5
US695455A 1933-10-27 1933-10-27 Grinding machine Expired - Lifetime US2176985A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2616398A (en) * 1948-04-17 1952-11-04 Company Manufacturers Trust Apparatus for controlling air cylinder stroke motions
US2933858A (en) * 1956-04-27 1960-04-26 Cincinnati Milling Machine Co Surface grinding machine
US2991761A (en) * 1957-09-06 1961-07-11 Clarence W Tydeman Hydraulic control valves

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2616398A (en) * 1948-04-17 1952-11-04 Company Manufacturers Trust Apparatus for controlling air cylinder stroke motions
US2933858A (en) * 1956-04-27 1960-04-26 Cincinnati Milling Machine Co Surface grinding machine
US2991761A (en) * 1957-09-06 1961-07-11 Clarence W Tydeman Hydraulic control valves

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