TW200936277A - Method of making spacers for spindle device - Google Patents
Method of making spacers for spindle device Download PDFInfo
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- TW200936277A TW200936277A TW097142889A TW97142889A TW200936277A TW 200936277 A TW200936277 A TW 200936277A TW 097142889 A TW097142889 A TW 097142889A TW 97142889 A TW97142889 A TW 97142889A TW 200936277 A TW200936277 A TW 200936277A
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- 125000006850 spacer group Chemical group 0.000 title claims abstract description 97
- 238000004519 manufacturing process Methods 0.000 title abstract description 12
- 238000005096 rolling process Methods 0.000 claims description 19
- 238000012545 processing Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 4
- 238000005192 partition Methods 0.000 claims description 3
- 241000282320 Panthera leo Species 0.000 claims 1
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000010687 lubricating oil Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 2
- 238000000638 solvent extraction Methods 0.000 description 2
- 238000012937 correction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 239000008947 yigong Substances 0.000 description 1
Classifications
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- 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
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/70—Stationary or movable members for carrying working-spindles for attachment of tools or work
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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
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/04—Lapping machines or devices; Accessories designed for working plane surfaces
- B24B37/07—Lapping machines or devices; Accessories designed for working plane surfaces characterised by the movement of the work or lapping tool
- B24B37/08—Lapping machines or devices; Accessories designed for working plane surfaces characterised by the movement of the work or lapping tool for double side lapping
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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
- B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
- B24B7/10—Single-purpose machines or devices
- B24B7/16—Single-purpose machines or devices for grinding end-faces, e.g. of gauges, rollers, nuts, piston rings
- B24B7/17—Single-purpose machines or devices for grinding end-faces, e.g. of gauges, rollers, nuts, piston rings for simultaneously grinding opposite and parallel end faces, e.g. double disc grinders
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/54—Systems consisting of a plurality of bearings with rolling friction
- F16C19/546—Systems with spaced apart rolling bearings including at least one angular contact bearing
- F16C19/547—Systems with spaced apart rolling bearings including at least one angular contact bearing with two angular contact rolling bearings
- F16C19/548—Systems with spaced apart rolling bearings including at least one angular contact bearing with two angular contact rolling bearings in O-arrangement
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/66—Special parts or details in view of lubrication
- F16C33/6637—Special parts or details in view of lubrication with liquid lubricant
- F16C33/6659—Details of supply of the liquid to the bearing, e.g. passages or nozzles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
- F16C19/14—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load
- F16C19/16—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with a single row of balls
- F16C19/163—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with a single row of balls with angular contact
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2322/00—Apparatus used in shaping articles
- F16C2322/39—General buildup of machine tools, e.g. spindles, slides, actuators
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- 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
-
- 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
- Y10T29/49636—Process for making bearing or component thereof
-
- 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
- Y10T29/49636—Process for making bearing or component thereof
- Y10T29/49696—Mounting
-
- 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
- Y10T29/49636—Process for making bearing or component thereof
- Y10T29/497—Pre-usage process, e.g., preloading, aligning
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rolling Contact Bearings (AREA)
- Turning (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Description
200936277 六、發明說明: 【交又參考之相關申請案】 [0001] 本申請案主張2007年11月7 289863之優先權,藉由參照其整體 曱碩之日本特願2007 — 部分 1用之,以作為本申請案之一 【發明所屬之技術領域】 [0002] 本發明係關於製造以可自由旋轅
❹ 軸,在此轴承之間配置有内外環間藉由複數軸承支持主 件之主軸裝置之間隔件製造方法。之主歸置所制之間隔 【先前技術】 [0003] 工具機中主轴裝置内其構成為相 藉由可支持轴向負載之徑向型滾動轴 主軸則端侧 設有内環間隔件及外環間隔件。主 =動之筒夾夾頭夾持及鬆放工具^^有術軸由夾頭拉桿與 品 η工ΐ機之主軸裝置’本申請人已量產交貨-種製 滾練承而設置之_件來承受此超過 ϊΐϋΐ ί I;細此支持而不需使用大尺寸_承或經特殊設 對1筒之夾持力之鬆放力超過滾動軸承之 工具 計之軸承’可實現主轴裝置之小型化並降低成本 專利文獻1 :曰本專利第3415211號公報 【發明内容】 200936277 [0005] ,圖:=上,侧。一 ?、3之間介在有内環間隔件4及外環間:件f 此-對滾動軸 夕=隔件5分別隔著間隙δ設有相互沿以=環間隔件4及 。因作用於主轴!之鬆放於載承受部 2 —旦作用於滾動軸承3,滾動轴承3之向負載之軸向 軸方向偏位。若偏離既定量以上 裏3a與外環3b即會沿 ❹ 外環間隔件5之負載承受部5c即會==牛4之負載承受部4b與 受超過該容許軸向負載分之軸向會負接載觸^兩負載承受部仙、Sc承 可確保容許轴向負载者即可。、 /袞動軸承3為加工時 [0006] f述偏位#之㈣間隔件慎 ^^時’需嚴格管理決 ^度。為確保尺寸精度佳之間隙/义公二,間之間隙δ之尺寸 %間隔件5之各尺寸並加工,且需 寺測疋内環間隔件4及外 δ。因此會產生内環間隔件4及外環間隔俾使其為所需之間隙 為高成本之問題。 壤間“件5難以製造,加工費事而 [0007] ^發明之目的在於提供一種 地以低成本製造設於主軸裝置中之間可正確且簡單 ,放力之工具機主錄置巾 ^使即使在承受大的 或經特殊設計之轴承。 又持而不需使用尺寸大的轴承 解決課釋之手科 [0008] ,二之内環間隔===製以製造一種主轴裝 持,鄰接該滾動轴承設有該内環間隔型滾動軸承所支 卜衣間隔件,於該内環 200936277 間隔件及外環間隔件中設 受部,該間隙係在軸向負沿軸方向相對之負载承 環之軸方向位置偏離既ί量承 件側之負録受部與外朗 巧下,内環間隔 垂直於軸方向並穿過負載 載承父部接觸之大小,在 間隔件分割為二,内環間隔該内環間隔件及外環 ο 值等於該間隙之量,該向寬度,其差 環間隔件中包含負 度相同,並且同時加工内環間二:邊,俾使轴方向寬 隔件分割體及外環間隔件中未 負载承受部之内環間 寬度,其差值等於該間隙之ί者之軸方向寬度大於前者之軸方向 [0009] 環間隔件分贿之軸方㈣♦卜環糾件#包含負躲受部之外 受部之内環間二及,間隔件中未包含負载承 環間隔件分割體之軸方向寬度卜m2包含負載承受部之外 有利。致卩了故加工及尺寸測定簡單,於成本面亦 及外環間隔件分向並承受部之分割面將内環間隔件 載承受部之外環S二中= 200936277 ?=3^以33=,隔件分割體與外環間隔件 工時-併加ΐ 外環間隔件分割體之軸方向寬度一致之加 [0010] ,體其轴方向寬度相同之力 卜巧 :負載?受部之内環間隔件分割體及 = ❹ 光加工或同時磨合;=軸同之加工可藉由同時拋 數被加工物拋光之加卫 先加I储由砂輪同時將複 加工物體磨合之加工。β夺磨 係藉由磨粒同時將複數被 件分加工’即可正⑽易地使各組間隔 [0011] 體 ❹ 隔件中未包含負載承受部之内環間 it貞繼物·嶋 二間隔件分割體排列在共通之同時加工面上加工,_ g度佳之方式使兩間隔件分碰之軸方向寬度1,且加= [0012] 本發明之咖件製造方法中,在分別加工 2承受部之内環間隔件分割體及外環間隔件中iSd3 ^間隔件分割體,以及内環間隔件中未包含以 ,隔件分割體及外環間隔件中未包含負載承p 之内 ,體,俾使其軸方向寬度相同後,組合 隔件 環間隔件分割體與未包含該負載承受部之内環間=以 200936277 ϋΐϊΐ間隔件,且組合包含該負載承受部之外環門陆 體與未包含該貞载承受部之外賴睛錢 環間^ 隔件。 [0013] 可介滾件ir間隔件亦 背對背組合之轴承配置時裝置為上述 =環間隔件側之_受部支持鬆放力產生之=== 突出並與間突 g相互對向之側面分別為内環間隔件及外環間隔件之 [0015] φ a* 件分割 以使其為-外環間 效 [0014] 動軸法中,該外環間隔件亦可包含對該滾 突出二側突出之形狀,故該 【實施方式】 實施發明之举佳形態 [0017] 轴承3中綱場 200936277 f之係轉動體之滾珠3C,相互以背對背組合之方式配置 角滾珠軸承3、3之間介在有外嵌於主轴丨外徑面 内嵌於心軸殼體2内徑面之外環間隔件5。 Μ哀間&件4及 [0018] _在垂直於轴方向之分割面F1將内環間隔件4分割為二,以為内 ^隔件分割體4A、4B。一方(圖i右側)之内環間隔件分· ^中’於外周中另一方(圖1左侧)之内環間隔件分割體4b&之 2邛形成有朝外徑侧突出之環狀突出部知。此環狀突出部如之 内環間隔件分割體4B侧之面處於分割面扪之延長上 間隔件側之負載承受部4b。 ㈣上此面為内% [0019] 糾f垂直於軸方向之分割面F2將外環間隔件5分割為二,以為外 =隔件分割體5A、5B。兩外環間隔件分 开;
如之環狀突邮a、5b。料環狀突_^= 相成 間隔件5整體之突出部,—方(圖1左側)之外環間H Ο ΪΞίί。ί狀突出部5a之朝外環間隔件分割_侧之面處二 [il] ,此面係外環間隔件侧之負載承受部5C。 而使滾動軸承3之内環3a與外環儿之軸方向位置偏^既 侧C載以:接件側之負載承受部扑與外環間隔件 以上田上述既定量係例如容許軸向負載 位置偏=^ 3動ifϋ產生之内環3a與外環%之軸方向 =量:在負載承受部一因加二=:以: [0021] 9 200936277 妙ίΐϊ間隔件分割體5A、犯包含用以對相鄰之滾動軸承3軸 f 1内供給潤滑油之注人n5d。此注人a5d設於該環狀突出部 注入口5d連通設於心轴殼體2内絲圖示之潤滑油供給通 ^。藉由以注入口5d所供給之潤滑油潤滑斜角滾珠軸承3之軌道 IH/ [0022] ❹ ❹ 5B之^^内/間隔件分割體仏、犯及外環間隔件分害節A、 寬度,下列關係成立。亦即,包含負載承受部扑之内 含負載承受部之外環間隔件分割體5A 包^載承受部扑之内環間隔件分割_ ,隹匕3負载承受部5c之外環間隔件分割體5;8其軸方向 胁包含貞載錢部4b、狄崎間崎分娜外 ΐ曰ΪΓΐ割體认其軸方向寬度&,未包含負載承受雜5ci内 及外環間隔件分割體5B其轴方向寬度b較長,其 [0023] 說明内環間隔件4及外環間隔件5之製造方法。 2:同隔件= 同所時加工將俾使其 4即可俾使此軸同 加工内環間隔件分割體4A及外環間隔件分割體5錢内環間 200936277 η],及外環間隔件分割_之轴 =工及外環間隔件分;一。 [0024] 體包含負載Μ部4b之内環間隔件分判 ❹ 間,件77 #丨獅,做其為補财向寬紐 】 =4b之内賴隔件分紐4A與未包含 部 件分割體犯,以為一内環間隔件4,且組合包含衣, 環間隔件分割體5A與未包含負載承受部卜 5B,以為-外環_件5。 叫件分割體 [0025] rrr鞭軸方方=^ ^ 成本Γΐίί所f之難δ—致即可,故加卫及尺寸測定簡單,於 =面亦有利。使二_件分割體从、5Α (或4Β、 6 X相同之加·Χ可藉由採賴時加工等正確且㈣地進行。β 且由於在垂直於軸方向並通過負載承受部4b、 5C刀別位於内裱間隔件分割體4八及外環間隔件分 二if t受部4b、料於加工。例如像本實施形態'於加3 娜㈣柯度時,負載 間隔ίΓ前可城單.工妓__件4及外環 [0026] 11 200936277 依此構成之主轴裝置,由於内環間隔件4及外環間隔 間隙δ設有相互沿軸方向相對之負載承受部4b、5c, 作用於主轴!,而有容許軸向負載以上等之大輛向負載作I於刀 軸承3 ’致使滾動軸承3之内環3a與外環孙沿轴方向偏位,一 離既定量以上’内環_件4與外環間隔件5之負載承 了^ 即會相互接觸’而可支持超過容許軸向負载之軸向負載。 因此’滾動軸承3係可在加工時確保容許轴向負載 需為支持毅力增大軸承尺寸或為經提高容、 承,可抑獻寸增加錢本增加。 物Π —之特殊軸 f ’鬆放時内環間隔件4侧之負載承受部#與外環 圓筒滾子軸承U支持其相反側之端部。端側之㈣’並藉由 ❹I筒夾夾卿持工具1G之拉頭1〇a之筒夾夾頭 方拉伸而成夾&大態,藉由内建之内之夾頭拉桿7往後 sr操;:=推方向==^ 斜角向型滚動轴承之例如 鬆放力一旦作用^ 3此實施形態冲,如與圖卜併所前述, =Mb、5件懈軸件5之負載 12 200936277 上述實施形態中,作為滾動轴承3雖係使用斜角滾珠轴承,但 亦可係圓賴伟承歧溝滾物承、其他滚雜承。且亦可係 複數列之滾動轴承。且上述實施形態令雖顯示藉由2個斜角滾珠軸 承支持主軸之例,但亦可以3個以上支持。 [0030] 如以上’雖已參^^圖面並說明適當之實施例,但若係該產業 之業者’職本案說明書後’應可㈣在自明之翻内設想各種 變更及修正。因此,如此之變更及修正應被解釋為由申請範圍決 定之發明範圍内者。 〃因此,如此之變更及修正應被解釋為由申請範圍決定之發明 v 範圍内者。 【圖式簡單說明】 [0016] 、本發明應可由參考各附圖之前述之較佳實施形態之說明而更 加清楚理解。然而,實施形態及附圖僅侧_示及說明,不應 =來確定本發明範ϋ。本發明之範a係依添附之申請專利範圍確 定之。又’附圖中多數圖面内之同一零件編號係表示同一部分。 圖1係包含藉由本發明之間隔件製造方法而製造間 主軸裝置之部分剖面圖。 ❹ 圖2 (A)、⑻係顯示同-主軸裝置間隔件製造方法之說 明圖。 圖3係顯示同一主軸裝置間隔件的不同製造方法之說明圖。 圖4係同一主軸裴置之整體剖面圖。 圖5係提案例的主軸裝置之部分剖面圖。 【主要元件符號說明】 1...主轴 la. ..内徑孔 lb. ..錐孔 2…心軸殼體 13 200936277 3.. .滚動軸承(斜角滾珠軸承) 3a…内環 3b...外環 3c...滾珠 4.. .内環間隔件 4A、4B...内環間隔件分割體 4a、5a、5b...環狀突出部 4b、5c...負載承受部 5.. .外環間隔件 5A、5B...外環間隔件分割體 ❹ 5d…注入口 6.. .操作部 7.. .夾頭拉桿 8.. .筒夾夾頭 9.. .彈簧構件 10、20."工具 10a...拉頭 11.. .圓筒滾子軸承 20a、21a...同時加工面 © 21...支持體 22…磨粒 a、b...轴方向寬度 FI、F2...分割面 P...鬆放力 δ…間隙
Claims (1)
- 200936277 七、申請專利範圍·· 、======裝置中之内環 具機中之主轴由可支鱗於心軸殼體,工 接=該滾動轴承設有該“間承所支持,鄰 承受部;該間隙係在軸向有負載作:=:轴„之負載 ❹ e 態下,内環間隔件側之負載承定量以上之狀 2接觸之大小;_環間隔件與$負载承受 承受部之分割面被分割為二 ,申之未包含負载承受部二m寬^相等;且内環間 件中之未包含負载承受部』分割體與外環間隔 寬度相等;後者之軸方向寬曰为割體二者的軸方向 值等於該間隙之量;又〗者之軸方向寬度為長,其差 方法之特徵在於: 與外環間隔件t包含之内·隔件分割體 含負载承受部之内並對於内環間隔件中未包 载承受部之外獅隔件分娜間隔件中未包含負 向寬度相同,使後者; 同時加工俾使二者之軸方 其差值等於該轴方向寬度較前者之軸方向寬度為長, 環_嶋,其中使内 成為相同之加工,以及使=刀割體-者的轴方向寬度 環間隔件分贿及外她件 15 2.
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JP2016089975A (ja) * | 2014-11-06 | 2016-05-23 | Ntn株式会社 | 軸受装置の冷却構造 |
JP7362239B2 (ja) * | 2018-02-13 | 2023-10-17 | Ntn株式会社 | 軸受装置およびスピンドル装置 |
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JPS5338847A (en) * | 1976-09-21 | 1978-04-10 | Ntn Toyo Bearing Co Ltd | Bearing pre-pressure regulating method |
US5030016A (en) * | 1990-07-11 | 1991-07-09 | Societe Nationale Industrielle Et Aerospatiale | Process and apparatus for the release of a prestress initially applied to a mechanism such as a bearing on board a space vehicle |
JP3415211B2 (ja) | 1993-08-27 | 2003-06-09 | 株式会社森精機製作所 | 工具着脱装置 |
JP2003278775A (ja) * | 2002-03-25 | 2003-10-02 | Nsk Ltd | 転がり軸受 |
US7251892B2 (en) * | 2003-07-09 | 2007-08-07 | Temper Corporation | Bearing assembly spacer adjustable system and method for adjusting a spacer |
JP2006077835A (ja) * | 2004-09-08 | 2006-03-23 | Nsk Ltd | シール装置 |
JP2007289863A (ja) | 2006-04-25 | 2007-11-08 | Sharp Corp | 光触媒作用を有する多孔質ハニカム構造体およびその製造方法、ならびにそれを用いた空気清浄機 |
JP5183059B2 (ja) * | 2006-05-01 | 2013-04-17 | Ntn株式会社 | 多列転がり軸受装置 |
WO2007129441A1 (ja) | 2006-05-01 | 2007-11-15 | Ntn Corporation | 多列転がり軸受装置 |
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