US20140057536A1 - Grinding apparatus with adjustable weighting - Google Patents
Grinding apparatus with adjustable weighting Download PDFInfo
- Publication number
- US20140057536A1 US20140057536A1 US13/910,387 US201313910387A US2014057536A1 US 20140057536 A1 US20140057536 A1 US 20140057536A1 US 201313910387 A US201313910387 A US 201313910387A US 2014057536 A1 US2014057536 A1 US 2014057536A1
- Authority
- US
- United States
- Prior art keywords
- weights
- grinding
- latching
- attached
- board member
- 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.)
- Abandoned
Links
- 239000010985 leather Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
Images
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
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/04—Lapping machines or devices; Accessories designed for working plane surfaces
-
- 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
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/27—Work carriers
- B24B37/30—Work carriers for single side lapping of plane surfaces
-
- 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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/007—Weight compensation; Temperature compensation; Vibration damping
-
- 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
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/34—Accessories
Definitions
- the present disclosure generally relates to grinding apparatuses and particularly to a grinding apparatus with adjustable weighting.
- Grinding apparatuses are used for grinding planar workpieces, such as lenses.
- weights are usually loaded on holders holding the workpieces, for increasing a grinding force.
- weights must be manually changed, which requires labor intensity and is time consuming
- FIG. 1 is an isometric view of a grinding apparatus in accordance with an exemplary embodiment.
- FIG. 2 is an exploded view of the grinding apparatus of FIG. 1 viewed from a first angle.
- FIG. 3 is an exploded view of some components of the grinding apparatus of FIG. 2 viewed from a second angle.
- FIG. 4 is an enlarged, isometric view of a fastening member of the grinding apparatus of FIG. 2 .
- FIG. 5 is an enlarged, isometric view of a support assembly of the grinding apparatus of FIG. 2 .
- FIG. 1 shows an exemplary embodiment of a grinding apparatus 300 employing a lifting mechanism 100 for hanging weights 60 used by the grinding apparatus 300 .
- the grinding apparatus 300 may be used for grinding planar workpieces, such as lenses.
- the grinding apparatus 300 includes a table 10 , a controller (not shown), a grinding disk 20 , a support assembly 30 , and the lifting mechanism 100 .
- the lifting mechanism 100 includes a drive cylinder 40 and a hooking assembly 50 .
- the controller controls the grinding apparatus 300 and the lifting mechanism 100 .
- the drive cylinder 40 has a cylinder rod 41 .
- the hooking assembly 50 has a board member 51 , a connecting member 53 , and three fastening members 55 .
- the board member 51 may have a shape of an equilateral triangle and has three mounting holes 511 and a first retaining ring 512 .
- Each of the three mounting holes 511 is defined in a corner portion of the board member 51 and is a through hole.
- the first retaining ring 512 is attached to a substantially middle portion of a surface of the board member 51 .
- the connecting member 53 has a connector 531 , a connecting chain 532 , the connecting chain 532 permitting a swinging movement in one plane, and a first latching member 533 .
- the first latching member 533 is substantially annular and formed by two arc blocks (not labeled) oppositely assembled, which together form a circle.
- One end of the connecting chain 532 is connected to a connector end of the connector 531 .
- An opposite end of the connecting chain 532 is connected to the first latching member 533 .
- the first latching member 533 is interlinked with the first retaining ring 512 .
- the two arc blocks of the first latching member 533 may be joined by screws.
- An opposite connector end of the connector 531 is fixed to the cylinder rod 41 by a bolt, for example. As such, the hooking assembly 50 may be raised and lowered by the cylinder rod 41 .
- Each fastening member 55 includes a shaft 551 , a linkage 552 , and a second latching member 553 .
- Each second latching member 553 includes two arc blocks 554 .
- Each arc block 554 has two opposite fastening ends 555 .
- the two arc blocks 554 of each second latching member 553 are oppositely positioned and detachably assembled by the fastening ends 555 being fixed together by screws 556 , thus to form an annulus.
- One end of the linkage 552 is attached to an end of the shaft 551 .
- An opposite end of the linkage 552 is attached to the second latching member 553 .
- Each shaft 551 extends through one of the mounting holes 511 , and is rotatably attached on the board member 51 by a sleeve 557 mounted to an opposite shaft end of the shaft 551 furthest from the linkage 552 .
- the three second latching members 553 are located at the same side of the board member 51 and opposite to the first retaining ring 512 , thereby maintaining the board member 51 in a horizontally balanced state.
- a base pressure block 56 is attached to each second latching member 553 .
- Each base pressure block 56 is disc-like and has a second retaining ring 561 attached to a substantially middle portion of a surface thereof.
- the second retaining rings 561 are detachably interlinked with the second latching members 553 .
- Each base pressure block 56 has a bolt 562 secured to an opposite surface thereof, for securing the weights 60 .
- the table 10 includes a panel 11 , a bracket 13 , and a motor 15 installed inside the table 10 .
- the panel 11 defines a receiving hole 12 .
- the bracket 13 includes a support pillar 131 perpendicularly attached to the panel 11 and a fixing board 132 extending perpendicularly from an upper end of the support pillar 131 .
- the drive cylinder 40 is attached to an end of the fixing board 132 furthest from the support pillar 131 , and is aligned with the center of the receiving hole 12 .
- the grinding disk 20 includes a grinding surface 21 .
- the grinding surface 21 may be configured of soft material, such as cow leather.
- the grinding disk 20 is connected to the motor 15 through a drive shaft 22 , which is attached to a surface of the grinding disk 20 opposite to the grinding surface 21 .
- the drive shaft 22 rotates, which rotates the grinding disk 20 .
- the grinding disk 20 is received in the receiving hole 12 .
- the support assembly 30 includes three support plates 31 and three ledges 33 holding the support plates 31 .
- Each support plate 31 is disk-shaped.
- Each support plate 31 defines a recess 311 (see FIG. 3 ) in a surface facing the grinding disk 20 , for receiving a workpiece to be ground, and has a protrusion 312 protruding from a substantially middle portion of an opposite surface.
- Each ledge 33 includes a fixing post 331 , a retaining board 332 , and two leather wheels 333 .
- the fixing posts 331 of the three ledges 33 are fixed to the panel 11 and are evenly positioned along a periphery of the receiving hole 12 .
- Each retaining board 332 has an end attached to one of the fixing posts 331 and is located upon the receiving hole 12 .
- a distal end of each retaining board 332 furthest from the corresponding fixing post 331 has an arcuate notch 334 .
- the two leather wheels 333 of each ledge 33 are mounted to a surface of one of the retaining boards 332 facing the receiving hole 12 , and are located at two ends of the arcuate notch 334 thereof.
- One of the two leather wheels 333 of each ledge 33 faces the arcuate notch 334 of an adjacent ledge 33 .
- Each support plate 31 is mounted in one of the arcuate notches 334 , with a periphery in contact with the two leather wheels 333 located at two ends of the arcuate notche 334 and in close proximity to the leather wheel 333 of another ledge 33 facing the arcuate notch 334 (see FIG. 2 ).
- three leather wheels 333 act as a brake on the support plates 31 to give a resisting force to the support plates 31 .
- Each weight block 60 defines a threaded hole 61 in a substantially middle portion of a surface thereof, for threadedly securing one of the bolts 562 of the base pressure blocks 56 .
- An opposite surface of the weight block 60 defines a locking recess 62 .
- the weight of the weights 60 and the base pressure blocks 56 may be changed as required.
- the grinding disk 20 is received in the receiving hole 12 of the panel 11 .
- the support plates 31 are held on the ledges 33 , with the recesses 311 thereof facing the grinding disk 20 .
- the drive cylinder 40 is secured on the bracket 13 .
- the hooking assembly 50 is attached to the cylinder rod 41 through the connector 531 .
- the base pressure blocks 56 are attached to the second latching member 553 by the second retaining rings 561 interlinked with the second latching members 553 .
- the three base pressure blocks 56 of the hooking assembly 50 are aligned with the three support plates 31 .
- the support plates 31 are turned over. Workpieces are secured in the recesses 311 with surfaces requiring grind protruding above the recesses 311 .
- the support plates 31 are then put back on the ledges 33 , with the workpieces in contact with the grinding surface 21 of the grinding disk 20 .
- Desired weights 60 are attached to the base pressure blocks 56 by the bolts 562 threadedly secured into the threaded holes 61 .
- the drive cylinder 40 is turned on by the controller.
- the cylinder rod 41 is driven to move towards the panel 11 , until the weight of the weights 60 is taken by the support plates 31 .
- the protrusions 312 on the support plates 31 are engaged with locking recesses 62 of the weights 60 , preventing the weights 60 from moving relative to the support plates 31 .
- the motor 15 drives the drive shaft 22 to rotate, and further brings the grinding disk 20 to rotate relative to the support plates 31 , thereby grinding the workpieces. Furthermore, the relative friction existing between the grinding disk 20 and the workpiece causes the support plate 31 to rotate on its axis, and further brings the weights 60 and the fastening members 55 to rotate.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Abstract
Description
- 1. Technical Field
- The present disclosure generally relates to grinding apparatuses and particularly to a grinding apparatus with adjustable weighting.
- 2. Description of Related Art
- Grinding apparatuses are used for grinding planar workpieces, such as lenses. During grinding processes, weights are usually loaded on holders holding the workpieces, for increasing a grinding force. However, when different grinding forces are needed, weights must be manually changed, which requires labor intensity and is time consuming
- Therefore, there is room for improvement within the art.
- Many aspects of the disclosure can be better understood with reference to the drawings. The components in the drawings are not necessarily drawn to scale, the emphasis instead being placed upon clearly illustrating the principles of the disclosure. Moreover, in the drawings, like reference numerals designate corresponding parts throughout the views.
-
FIG. 1 is an isometric view of a grinding apparatus in accordance with an exemplary embodiment. -
FIG. 2 is an exploded view of the grinding apparatus ofFIG. 1 viewed from a first angle. -
FIG. 3 is an exploded view of some components of the grinding apparatus ofFIG. 2 viewed from a second angle. -
FIG. 4 is an enlarged, isometric view of a fastening member of the grinding apparatus ofFIG. 2 . -
FIG. 5 is an enlarged, isometric view of a support assembly of the grinding apparatus ofFIG. 2 . -
FIG. 1 shows an exemplary embodiment of agrinding apparatus 300 employing alifting mechanism 100 for hangingweights 60 used by thegrinding apparatus 300. Thegrinding apparatus 300 may be used for grinding planar workpieces, such as lenses. Thegrinding apparatus 300 includes a table 10, a controller (not shown), agrinding disk 20, asupport assembly 30, and thelifting mechanism 100. Thelifting mechanism 100 includes adrive cylinder 40 and ahooking assembly 50. The controller controls thegrinding apparatus 300 and thelifting mechanism 100. - Referring to
FIG. 2 , thedrive cylinder 40 has acylinder rod 41. Referring toFIG. 4 , thehooking assembly 50 has aboard member 51, a connectingmember 53, and threefastening members 55. Theboard member 51 may have a shape of an equilateral triangle and has threemounting holes 511 and afirst retaining ring 512. Each of the threemounting holes 511 is defined in a corner portion of theboard member 51 and is a through hole. Thefirst retaining ring 512 is attached to a substantially middle portion of a surface of theboard member 51. The connectingmember 53 has aconnector 531, a connectingchain 532, the connectingchain 532 permitting a swinging movement in one plane, and afirst latching member 533. Thefirst latching member 533 is substantially annular and formed by two arc blocks (not labeled) oppositely assembled, which together form a circle. One end of theconnecting chain 532 is connected to a connector end of theconnector 531. An opposite end of the connectingchain 532 is connected to thefirst latching member 533. Thefirst latching member 533 is interlinked with thefirst retaining ring 512. The two arc blocks of thefirst latching member 533 may be joined by screws. An opposite connector end of theconnector 531 is fixed to thecylinder rod 41 by a bolt, for example. As such, thehooking assembly 50 may be raised and lowered by thecylinder rod 41. - Each fastening
member 55 includes ashaft 551, alinkage 552, and a second latching member 553. Each second latching member 553 includes twoarc blocks 554. Eacharc block 554 has twoopposite fastening ends 555. The twoarc blocks 554 of each second latching member 553 are oppositely positioned and detachably assembled by thefastening ends 555 being fixed together byscrews 556, thus to form an annulus. One end of thelinkage 552 is attached to an end of theshaft 551. An opposite end of thelinkage 552 is attached to the second latching member 553. Eachshaft 551 extends through one of themounting holes 511, and is rotatably attached on theboard member 51 by asleeve 557 mounted to an opposite shaft end of theshaft 551 furthest from thelinkage 552. The three second latching members 553 are located at the same side of theboard member 51 and opposite to thefirst retaining ring 512, thereby maintaining theboard member 51 in a horizontally balanced state. - Referring to
FIGS. 1-4 , abase pressure block 56 is attached to each second latching member 553. Eachbase pressure block 56 is disc-like and has a secondretaining ring 561 attached to a substantially middle portion of a surface thereof. Thesecond retaining rings 561 are detachably interlinked with the second latching members 553. Eachbase pressure block 56 has abolt 562 secured to an opposite surface thereof, for securing theweights 60. - Referring to
FIGS. 1-3 , the table 10 includes apanel 11, abracket 13, and amotor 15 installed inside the table 10. Thepanel 11 defines areceiving hole 12. Thebracket 13 includes asupport pillar 131 perpendicularly attached to thepanel 11 and afixing board 132 extending perpendicularly from an upper end of thesupport pillar 131. Thedrive cylinder 40 is attached to an end of thefixing board 132 furthest from thesupport pillar 131, and is aligned with the center of thereceiving hole 12. - The
grinding disk 20 includes agrinding surface 21. Thegrinding surface 21 may be configured of soft material, such as cow leather. Thegrinding disk 20 is connected to themotor 15 through adrive shaft 22, which is attached to a surface of thegrinding disk 20 opposite to thegrinding surface 21. When themotor 15 runs, thedrive shaft 22 rotates, which rotates thegrinding disk 20. Thegrinding disk 20 is received in thereceiving hole 12. - Referring to
FIG. 5 , thesupport assembly 30 includes threesupport plates 31 and three ledges 33 holding thesupport plates 31. Eachsupport plate 31 is disk-shaped. Eachsupport plate 31 defines a recess 311 (seeFIG. 3 ) in a surface facing thegrinding disk 20, for receiving a workpiece to be ground, and has aprotrusion 312 protruding from a substantially middle portion of an opposite surface. Eachledge 33 includes afixing post 331, aretaining board 332, and twoleather wheels 333. Thefixing posts 331 of the threeledges 33 are fixed to thepanel 11 and are evenly positioned along a periphery of thereceiving hole 12. Eachretaining board 332 has an end attached to one of thefixing posts 331 and is located upon thereceiving hole 12. A distal end of each retainingboard 332 furthest from the corresponding fixingpost 331 has anarcuate notch 334. The twoleather wheels 333 of eachledge 33 are mounted to a surface of one of the retainingboards 332 facing the receivinghole 12, and are located at two ends of thearcuate notch 334 thereof. One of the twoleather wheels 333 of eachledge 33 faces thearcuate notch 334 of anadjacent ledge 33. Eachsupport plate 31 is mounted in one of thearcuate notches 334, with a periphery in contact with the twoleather wheels 333 located at two ends of thearcuate notche 334 and in close proximity to theleather wheel 333 of anotherledge 33 facing the arcuate notch 334 (seeFIG. 2 ). Thus, threeleather wheels 333 act as a brake on thesupport plates 31 to give a resisting force to thesupport plates 31. - The
weights 60 press down on thesupport plates 31, thus increasing a grinding force to the workpieces. Eachweight block 60 defines a threadedhole 61 in a substantially middle portion of a surface thereof, for threadedly securing one of thebolts 562 of the base pressure blocks 56. An opposite surface of theweight block 60 defines a lockingrecess 62. The weight of theweights 60 and the base pressure blocks 56 may be changed as required. - In assembly, the grinding
disk 20 is received in the receivinghole 12 of thepanel 11. Thesupport plates 31 are held on theledges 33, with therecesses 311 thereof facing the grindingdisk 20. Thedrive cylinder 40 is secured on thebracket 13. The hookingassembly 50 is attached to thecylinder rod 41 through theconnector 531. The base pressure blocks 56 are attached to the second latching member 553 by the second retaining rings 561 interlinked with the second latching members 553. The three base pressure blocks 56 of the hookingassembly 50 are aligned with the threesupport plates 31. - In use, referring to
FIG. 1 , thesupport plates 31 are turned over. Workpieces are secured in therecesses 311 with surfaces requiring grind protruding above therecesses 311. Thesupport plates 31 are then put back on theledges 33, with the workpieces in contact with the grindingsurface 21 of the grindingdisk 20. Desiredweights 60 are attached to the base pressure blocks 56 by thebolts 562 threadedly secured into the threaded holes 61. Thedrive cylinder 40 is turned on by the controller. Thecylinder rod 41 is driven to move towards thepanel 11, until the weight of theweights 60 is taken by thesupport plates 31. Theprotrusions 312 on thesupport plates 31 are engaged with lockingrecesses 62 of theweights 60, preventing theweights 60 from moving relative to thesupport plates 31. Themotor 15 drives thedrive shaft 22 to rotate, and further brings the grindingdisk 20 to rotate relative to thesupport plates 31, thereby grinding the workpieces. Furthermore, the relative friction existing between the grindingdisk 20 and the workpiece causes thesupport plate 31 to rotate on its axis, and further brings theweights 60 and thefastening members 55 to rotate. - It is to be understood, however, that even through numerous characteristics and advantages of the present disclosure have been set forth in the foregoing description, together with details of assembly and function, the disclosure is illustrative only, and changes may be made in detail, especially in the matters of shape, size, and arrangement of parts within the principles of the disclosure to the full extent indicated by the broad general meaning of the terms in which the appended claims are expressed.
Claims (13)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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CN201210306668X | 2012-08-27 | ||
CN201210306668.XA CN103624674A (en) | 2012-08-27 | 2012-08-27 | Grinding miller lifting mechanism and grinding miller using the lifting mechanism |
Publications (1)
Publication Number | Publication Date |
---|---|
US20140057536A1 true US20140057536A1 (en) | 2014-02-27 |
Family
ID=50148402
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US13/910,387 Abandoned US20140057536A1 (en) | 2012-08-27 | 2013-06-05 | Grinding apparatus with adjustable weighting |
Country Status (3)
Country | Link |
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US (1) | US20140057536A1 (en) |
CN (1) | CN103624674A (en) |
TW (1) | TWI491467B (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104385107A (en) * | 2014-11-26 | 2015-03-04 | 东莞信柏结构陶瓷有限公司 | Ceramic piece polishing and processing method and ceramic piece polishing device |
CN107855921A (en) * | 2017-10-31 | 2018-03-30 | 郑州博尔德磨料磨具有限公司 | A kind of milling apparatus with limit function |
Families Citing this family (9)
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KR101836342B1 (en) * | 2014-05-14 | 2018-04-19 | 가부시키가이샤 에바라 세이사꾸쇼 | Polishing table replacement apparatus, polishing table replacement method, and apparatus for replacing a component of semiconductor-device manufacturing machine |
CN104002230A (en) * | 2014-05-29 | 2014-08-27 | 无锡超豪机械制造有限公司 | Heavy hammer disc automatic positioning lifting mechanism of single--face grinding machine |
CN104309010A (en) * | 2014-10-13 | 2015-01-28 | 佛山市禾才科技服务有限公司 | Semi-finished product surface treatment equipment |
CN105058180B (en) * | 2015-07-23 | 2017-09-12 | 嘉善金亿精密铸件有限公司 | A kind of Bearing Grinding light device |
CN108608274A (en) * | 2018-06-12 | 2018-10-02 | 常州市润昌光电科技有限公司 | A kind of ultra-precision continuous polishing machine |
CN108788943B (en) * | 2018-07-13 | 2019-11-01 | 山西太钢不锈钢股份有限公司 | A kind of surface polishing method of use for electronic products austenitic stainless steel |
CN113118966B (en) * | 2019-12-31 | 2022-08-16 | 清华大学 | Bearing head for chemical mechanical polishing and using method thereof |
CN111590419B (en) * | 2020-04-15 | 2021-06-08 | 安徽金诚复合材料有限公司 | Corner polishing device for machining rear tail door of passenger car and operation method of corner polishing device |
CN111595644B (en) * | 2020-05-26 | 2021-03-19 | 中国地质科学院矿产资源研究所 | Rock sample grinding and polishing loading device, sample preparation system and sample preparation method |
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GB1371181A (en) * | 1971-09-03 | 1974-10-23 | Payne Products Int Ltd | Lapping machines |
DE69933754T2 (en) * | 1998-08-20 | 2007-02-08 | Hamai Co. Ltd. | PLANET TRANSMISSION SYSTEM FOR DOUBLE-SIDED LAPTOP MACHINE |
JP2003094319A (en) * | 2001-09-26 | 2003-04-03 | Speedfam Co Ltd | Double-face polishing device and method |
TWM253591U (en) * | 2004-02-26 | 2004-12-21 | Ming-Yue Tsai | Electric lifting device |
CN1772437A (en) * | 2004-11-12 | 2006-05-17 | 卢建伟 | Grinding process |
CN100574992C (en) * | 2008-03-20 | 2009-12-30 | 山东理工大学 | Novel precision grinding polishers |
-
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- 2012-08-27 CN CN201210306668.XA patent/CN103624674A/en active Pending
- 2012-09-06 TW TW101132614A patent/TWI491467B/en not_active IP Right Cessation
-
2013
- 2013-06-05 US US13/910,387 patent/US20140057536A1/en not_active Abandoned
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Publication number | Priority date | Publication date | Assignee | Title |
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US1937459A (en) * | 1928-02-10 | 1933-11-28 | American Optical Corp | Abrading |
US2142058A (en) * | 1937-12-10 | 1938-12-27 | Norton Co | Polishing machine |
US3059785A (en) * | 1961-03-03 | 1962-10-23 | Kazmere S Buckeye | Crane or jack |
US3570188A (en) * | 1967-04-15 | 1971-03-16 | Peter Wolters Kratzenfabrik Un | Lapping machine |
US3611654A (en) * | 1969-09-30 | 1971-10-12 | Alliance Tool & Die Corp | Polishing machine or similar abrading apparatus |
US3631634A (en) * | 1970-01-26 | 1972-01-04 | John L Weber | Polishing machine |
US6357810B1 (en) * | 2000-01-14 | 2002-03-19 | Ford Global Technologies, Inc. | Hoist assembly |
US7632434B2 (en) * | 2000-11-17 | 2009-12-15 | Wayne O. Duescher | Abrasive agglomerate coated raised island articles |
US20060178093A1 (en) * | 2003-07-07 | 2006-08-10 | Hoffman Steve E | High speed vertical processor |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN104385107A (en) * | 2014-11-26 | 2015-03-04 | 东莞信柏结构陶瓷有限公司 | Ceramic piece polishing and processing method and ceramic piece polishing device |
CN107855921A (en) * | 2017-10-31 | 2018-03-30 | 郑州博尔德磨料磨具有限公司 | A kind of milling apparatus with limit function |
Also Published As
Publication number | Publication date |
---|---|
CN103624674A (en) | 2014-03-12 |
TW201408436A (en) | 2014-03-01 |
TWI491467B (en) | 2015-07-11 |
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