TW200936277A - Method of making spacers for spindle device - Google Patents

Method of making spacers for spindle device Download PDF

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Publication number
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
Authority
TW
Taiwan
Prior art keywords
spacer
inner ring
load
ring spacer
bearing
Prior art date
Application number
TW097142889A
Other languages
English (en)
Inventor
Hiroshi Takiuchi
Original Assignee
Ntn Toyo Bearing Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ntn Toyo Bearing Co Ltd filed Critical Ntn Toyo Bearing Co Ltd
Publication of TW200936277A publication Critical patent/TW200936277A/zh

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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
    • 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
    • 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
    • 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
    • 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
    • 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 build up of machine tools, e.g. spindles, slides, actuators
    • 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)

  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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