TW562715B - Nickel-diamond coated saw wire with improved anchoring of the diamond particles and process for producing the same - Google Patents

Nickel-diamond coated saw wire with improved anchoring of the diamond particles and process for producing the same Download PDF

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TW562715B
TW562715B TW090111199A TW90111199A TW562715B TW 562715 B TW562715 B TW 562715B TW 090111199 A TW090111199 A TW 090111199A TW 90111199 A TW90111199 A TW 90111199A TW 562715 B TW562715 B TW 562715B
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diamond
wire
name
steel wire
particles
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TW090111199A
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Joerg Lukschandel
Juergen Meyer
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Kempten Elektroschmelz Gmbh
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    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C28/00Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • C23C28/02Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material
    • C23C28/021Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material including at least one metal alloy layer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23DPLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D61/00Tools for sawing machines or sawing devices; Clamping devices for these tools
    • B23D61/18Sawing tools of special type, e.g. wire saw strands, saw blades or saw wire equipped with diamonds or other abrasive particles in selected individual positions
    • B23D61/185Saw wires; Saw cables; Twisted saw strips
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24DTOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D3/00Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
    • B24D3/02Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent
    • B24D3/04Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic
    • B24D3/06Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic metallic or mixture of metals with ceramic materials, e.g. hard metals, "cermets", cements
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C28/00Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • C23C28/02Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material
    • C23C28/023Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material only coatings of metal elements only
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C28/00Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • C23C28/02Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material
    • C23C28/027Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material including at least one metal matrix material comprising a mixture of at least two metals or metal phases or metal matrix composites, e.g. metal matrix with embedded inorganic hard particles, CERMET, MMC.
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C28/00Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • C23C28/02Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material
    • C23C28/028Including graded layers in composition or in physical properties, e.g. density, porosity, grain size

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Composite Materials (AREA)
  • Ceramic Engineering (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Description

562715
五、發明說明(1) 本 附著牢 德 專利申 造該鋼 脆材料 之鋼絲 化學鎳 之4匕學 之鑽石 金屬黏 化作用 ,發現 及該層 割矽時 錄-鑽石層且金屬黏合劑相内鑽石 :利:E?+、19839〇91(對應於編號為09/332722 之 靖案)中冒述及一種塗有鎳—鑽石層之鋼絲,一種製 、’糸之方法及忒鋼絲之用途。此類鋼絲可用以切割硬 、例如·⑨。製造該鋼絲時,係將經過化學預處理 導入3有鑽石(尤以直徑為5至3 0微米者更佳)之 浴内。沉積在鋼絲表面之鑽石粒,初始時係藉微弱 及/或物理黏合力加以固定。在塗被過程中,附著 粒由生長之鎳層牢牢包圍,因而得以堅強地固定。 合劑相之厚度最好為5至2〇微米。經由隨後之熱硬 ,該金屬黏合劑相之性能獲得大幅改善。舉例言之 金屬黏合劑相内之殘餘抗張力減低,黏著強度增加 之硬度大幅提昇。由上述專利申請案中可看出··鋸 ’此類鋼絲提供甚佳之錯割效果。 由於上述之特性’該塗有鎳-鑽石之鋼絲亦適用於鋸 割堅硬陶究材料’例如:碳化矽。即使若干試驗曾顯示: 原則上,此類鋼絲可用以切割堅硬陶瓷材料,但堅硬陶瓷 材料之高硬度意謂該鋼絲可達成之鋸割速率及該塗被鋼鋸 之使用壽命則不足以作工業用途。 本發明之目的係提供一種塗有鑽石、鋸割堅硬材料( 例如:堅硬陶瓷材料)時耐磨損力高之鋼絲。 一種錯鋼絲可以達成此目標,該鋸鋼絲包括:一鋼絲 、一中間層及一金屬黏合劑相,在該相内嵌有平均直徑為 562715 五、發明說明(2) 10至50微米之鑽石粒,該中門思 可防止鋼絲發生氫脆現象及確^ ^文損、不含鑽石粒並 黏著強度,其特徵為金屬:金屬黏合劑相具有足夠之 氏硬度。.!且包括一内層及黏二〜硬度,_至η〇。維 平均镄石粒直徑之! 〇至25/,V;層之厚度約為 屬黏合劑相之總厚度係平均鑽〇/、 之厚度俾金 於平均直徑為i。至5。微米=之五倍,另 至6微米之細粒。 之绩石粒之間夾有平均直徑為! 所以固定在鑛鋼絲上之·i 内約至其半徑深度。之鑽石粒係紮根於金屬黏合劑相 =該鋼絲上之鑽石粒之平均直徑最好為以至託微 米。固疋在鋼絲上之該等鑽石粒數量最好適當。俾其平 空間大小不超過其平均直徑之〇· 5至3倍。 /、二 更2之微粒係位於平均直徑為丨0至5〇微米之鑽石粒之 間。該專細微粒最好係堅硬材料微粒。該等細微 好僅出見在金屬黏合劑相兩層之上方。 該等較小之堅硬材料微粒最好同樣地亦係鑽石粒。在 確定黏合劑相薄層厚度(依照本發明該厚度為平均鑽石粒 直徑之45至5 5%)時不將該等細鑽石粒之平均直徑納入 。僅=較粗鑽石粒之平均直徑決定黏合劑相之薄層厚度置 S有研磨粒塗層,本發明鋸鋼絲之直徑最好至多高達 562715 « 隹 ----— 五、發明說明(3) 〇 · 3 5公厘。 _ 所用麵絲最好係由鉻鎳鋼製成之不銹彈簧鋼絲。舉例 吕之 ’1.4310、;[· 44 01、1.4539、1·4568 及 1.4571(諸型 材料由德國工業標,準DIN 1 7224所編訂)均屬適當。 該鋼絲之直徑最好為0 · 1 5至0 . 3 0公厘。 該中間層最好係由金屬、金屬合金或兩種金屬或一種 金屬與一種金屬合金之組合體組成。 最好利用電鑛法塗被一金屬、金屬合金或兩種金屬或 一種金屬與一種金屬合金之組合體,不但其黏著強度佳而 且同時可作為氫之阻擋層。 適當金屬之實例是銅及鎳,適當金屬合金之實例是黃 銅。 、 中間層之厚度最好為1至丨〇微米。 該金屬黏合劑相以由鎳或鎳合金組成者為佳。尤以由 不用外電流沉積之鎳(化學鎳)組成者更佳。 該金屬黏合劑相之硬度8〇〇至11〇〇維氏硬度〇 · 1為佳, 尤以1000至1100更佳。 圍繞鋼絲之中間層之厚度變化差以不超過5%為佳。 圍繞鋼絲之金屬黏合劑相之厚度變化以不超過 ,尤以不超過2· 5%更佳。 ’ ^在特別適θ之具體實施例中,金屬黏合劑相之薄層 厚度係1 2至1 5微米,該圍繞鋼絲之金屬黏合劑相之厚度 化至多為〇. 4微米。 本發明之錯鋼絲可製得如下:
第6頁 562715 五、發明說明(4) 如同德國專利DE A 1 983909 1中所公 層之鋼絲實施一種適於基本材料之 '者,具有中間 理乃既有技術中所習知者而且通常包括預^里。該項預處 外私机實施鎳-鑽石沉積之液浴)内加以涂冷(用以不藉 同樣係既有技術中所習知者。如同既二〒。該類液浴亦 該液浴可用以藉助於電流之短暫浪(脈)習知者, 用之開始。鋼絲整個圓周上鑽石之均 ^ ‘金屬化作 及電解液之適當運動而達成。在本發日月^ ^助於鋼絲 是:塗被工作係分兩個階段實施,;I,重要的 12至50微米鑽石微粒沉積在鋼絲i,第:為 為1至β微米之細微粒沉積在鋼絲上。 ;、=徑 於相:規槿ί: : ί方’矢’一小時製造之塗被鋼絲較藉助 $相田規模设備連續產量之電化學沉積法者可能高出ι〇3 塗被工作完成後,最好再施以至少一小時之熱處理。 、 在本發明之方法中,化學預處理後,鋼絲之兩階段塗 被工作最好依照下列方式實施:在第一塗被階段,將鋼絲 導入含有平均直徑為10至5〇微米(尤以25至45微米更佳)之 鑽石微粒之化學鎳浴内。塗被工作係經適當控制,俾僅一 單層鑽石粒沉積在鋼絲表面上,且在此過程中,該等鑽石 粒係由鎳之生長層加以固定。一旦該鎳層已達到平均鑽石 粒直徑1〇至25%之厚度,第一塗被階段即屬完成。 在第二塗被階段,再沉積另一化學鎳層,該層所含微 562715 五、發明說明(5) 粒遠較第一化學鎳層者為細。 巧二階段沉積、嵌有細 經適當之選擇,俾包含第一塗 《化子鎳層之居 以’假a又該鑽石粒概略呈等轴 物夕势妒的t嫌寻釉形狀,在金屬黏合劑相 石粒之各根’力可達到鑽石粒半徑之深产。 在此^浴内,細微粒之平均直徑= 至4微米更佳。 T Χ 該等細微粒以堅硬材料微粒為佳,其中尤以鑽石 更佳。 ^ 、 所以’在此第二塗被階段,贫望Α 土饭丨白仅 π寺粗鑽石粒係用另 學鎳分散液層加以固定。 原則上,固定粗鑽石粒在待製鋼絲上所需之整個 黏合劑相與嵌有粗鑽石及細堅硬材料微粒之分散液層 亦屬可能。在本案中,製造此類鋼絲所用塗被方法之 係依照德國專利DE 1 9 8 3 9 0 9 1中所述,粗粒及細粒係^ 加入塗被浴内。雖然此種製造方法之實施較本發明方 早’但如此製得之鋼絲具有重大缺點·基於下列理由 前喪失其切割性能(尤其當其鋸割堅硬材料時)。 至鋼絲在塗被浴内之駐留時間終止時,由於其紫 黏合劑内甚微弱,所摻和之粗鑽石粒僅係輕微地加以 。在鋸割過程中迅速磨掉。因而立即導致鋼絲失去切 力。 如德國專利DE-A-1 983909 1中所述’据鋼絲經塗系 L度係 •度最 〇所 内鑽 以2 微粒 一化 金屬 相同 實施 J時 法簡 ,提 根在 固定 割能 562715 五、發明說明(6) 後’通常施以熱處理(以在3 5 〇它溫度下為佳),俾減低薄 層内殘餘之伸張應力而增加薄層硬度及金屬黏合劑相之耐 磨性。 在粗鑽石微粒紮根於另一分散液薄層過程中,因業已 有一耐磨性高薄層係承受殘餘壓縮應力,為增加薄層之黏 著強度’最好施以熱處理。如此,熱處理溫度丨5 〇至2 〇 〇 I 已足夠。 該低熱處理溫度之優點是:即使適當之非合金高強度 鋼絲利用本發明之方法加以塗被而且亦可在丨5 〇至2 〇 〇它溫 度下實施熱處理而伸張強度及彈性不致大幅下降。 若干電解沉積方法不適於製造本發明之鋼絲,蓋因該 方法不能達成金屬黏合劑相之本發明硬度及金屬黏合劑相 厚度之起伏變化不大(適合之情況)。 兹藉下列諸實驗例將本發明更詳細說明。 實驗例1 (比較例) 如曰本待公開專利案〇 9 - 〇 〇 1 4 5 5中所述比較性鋼絲之製造 將60公尺、直徑〇·ΐ8公厘、可市購、商名12 R1〇
Ni coat、桑德維克公司出品之高合金鋼絲固定在一無電鎳 沉積常用之支架上。 將該鋼絲施以無電沉積鎳法常用之去脂、浸潰及活化 處理。繼之於一市購化學鎳—鑽石浴(艾斯林根市希普利公 司出σ口之N i ρ 〇 s i t 6 5 )内加以塗被。浴内加入平均粒徑為 25微米之鑽石微粒(可市購之統一標準產品)。藉移動鋼絲 562715 五、發明說明(7) ^— 及電解液’在鋼絲之整個圓周上由化學鎳組成之黏合劑 内均勻地嵌入鑽石。於化學鎳薄層厚度達3微米之後,H將 該支架自鑽石浴中取出,經過沖洗之後,將其送入另_、 含固體之化學鎳浴内。在該浴内之暴露時間係經適當選 ,俾無固體薄層之厚度達8微米,造成總厚度為丨丨微米。 此鋼絲以下稱之為鋸鋼絲b)。 ’、 實驗例2 本發明錯鋼絲之製造 在本發明之塗被方法中’如實驗例丨中所述,將粗鑽 石微粒塗敷在鋼絲表面上。在此情況下,化學鎳薄層之厚 度亦係3微米。之後,將支架自浴中取出,經沖洗之後, 將其送入另一化學鎳—鑽石浴内。該浴所含鑽石微粒之平 均直徑為2微米。在浴内之暴露時間係經適當選擇,俾分 散液薄層之厚度達8微米。造成總薄層厚度亦為丨丨微米: 此鋼絲以下稱之為鋸鋼絲c)。 。最後,為達到硬化之目的,該兩種不同之鋸鋼絲均在 3 5 0 °C溫度下施以熱處理一小時。 實驗例3 本發明雜鋼絲及屬於既有技術之兩鋸鋼絲耐磨性測定 田為評估該等鋼絲,利用德國專利DE —A 1 9839〇91中所 ❶ 述量測系統,於一威爾實驗室鋼絲鋸(6234型)上之矽及碳 化石夕樣品上實施比較性鋸割試驗。 鋼絲經往復加以纏繞,該鋸所沿鋸割之路徑可導致該 鋼絲之工作方向每分鐘變換高達十次。所以,在冗長之鋸
第10頁 562715 五、發明說明(8) ' ~~ ' ~- 割時間内,鋼絲在鋸隙中通過數百次,俾鋼絲之使用妄 清晰地顯出來。 a)德國專利DE A 1 983909 1中公開之鋸鋼絲(該文獻 之發明實驗例)。 b )日本待公開專利申請案0 9 - 0 〇 1 4 5 5中所述利用無固體 錄層固疋鑽石微粒之据鋼絲(實驗例1中之鋼絲)。 &半本夕發:之鋸鋼絲,附有由一鎳-鑽石層(其中摻有粒徑 之鑽石微粒)固定之鑽石微粒(實驗例2中之鋼絲)。 趣:^ 鋸鋼絲之鑽石塗被密度相同。b)及C)中粗鑽石微 出程度相同。在鋸鋼絲a)之案例中,由於在若干情 况下二僅係略微嵌入之鑽石,有局部較高之錐體。 兹將鋸割試驗結果彙整如下: 。士鋸割方矽(50 X 22· 5公厘)時,鋸鋼絲〇之結果最佳 5%切割試樣所需之時間較鋼絲a)約低1 0%及較鋼^b)約低 用於切割碳化矽時,鋸鋼絲(:)之優點特別顯著: 體。2等試驗中,所用試樣係直徑為65公厘之SiC柱狀 。鋼絲之切割效果係以單位時間切割之面積量 所件結果如表1所示。 562715 五、發明說明(9) 表1 : 鋸割持續時間隨所鋸割碳化矽面積變化 鋸割面積(平方公厘) 鋸割持續時間(分鐘) 鑛鋼絲a) 鋸鋼絲b) 鋸鋼絲c) 500 8.0 5.5 5.0 1000 16.5 13.0 10.5 1500 27.5 21.0 17.5 2000 40.5 31.5 26.5 2500 56.5 44.0 36.0 3000 76.0 59.5 48.5 | 由表1中所列結果顯示:利用鋸鋼絲C )時,切割碳化 丨矽試樣所需之時間較用鋼絲a)者約低3 5%及較用鋼絲b)者 丨亦約低20%。 j I 再者,更可看出:切割面積增加時,鋸鋼絲c)損失之 !鋸割效能遠較鋼絲a)及b)為低,所以特別適於切割堅硬材 I料。

Claims (1)

  1. 562715 六、申請專利範圍 其中塗被工作分兩個階段實施,平均直徑為1 〇至50微米之 鑽石微粒係於第一階段沉積在鋼絲上而平均直徑為1至6微 米之細微粒係於第二階段沉積在鋼絲上,熱處理溫度範圍 為 150 至200 °C。
    第14頁 修正替
    (以上各棚由本局填註
    發明專利說明書 562715 ^—— 中文 塗有錄-鑽石層且鑽石粒附著牢固之鋸鋼絲及其製造方法 發明名稱 英文 saw wire with improved anchoring of the amond particles and process for producing the same 姓名 (中文) 1·尤爾格•盧見仙德勒 2·俞爾根•麥爾 發明人 姓名 (英文) 1. Joerg LuKscnandel 2. Juergen Meyer 國籍 1.德國2.德國 住、居所 2:ΙΙΙΙΙΪΙΜΙΙ5έ+^ 姓名 (名稱) (中文5 1·德商·開普頓冤氣融解廠有限公司 姓名 (名稱) (英文) l.Elektroschmelzwerk Kempten GmbH 國籍 1.德國 申請人 住、居所 (事務所) i ·德國開晋頓市馬克斯-謝德豪夫路廿五號 代表人 姓名 (中文) 1.保羅•林德f拉德 代表人 姓名 (英文) 1.Paul Lindblad
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CN103144209A (zh) * 2013-04-03 2013-06-12 盛利维尔(中国)新材料技术有限公司 一种金刚石线锯及其生产工艺

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WO2010125083A1 (en) * 2009-04-29 2010-11-04 Nv Bekaert Sa A fixed abrasive sawing wire with a rough interface between core and outer sheath
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