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目前日期文章:201207 (5)

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Cutter selection Part-2

Following on last introduction of end mill selection, now we continue to introduce the classification of cutter shape and application.

There are square end mill, side cutter, angle cutter, shape cutter, end mill, T-slot cutter, semi-moon key seat cutter, dovetail cutter , as well as face milling cutter.

  1. Plain milling cutter:

    Make cutting edge from a cylindrical rod to mill the plane of work piece, that we called flat cutter .. a cutting flute parallel to axis which is proper for light milling, because all the chips will be into the chip slot which will make the cutter beat, it is not suitable for heavy cutting ..) diagram and (c) diagram of the cutting edge of the spiral can have more than one cutting edge contact with the face milling cutting situation, so it’s more stable ..) diagram of the spiral angle have a better cutting effect since its helix is bigger, and it may reduce the milling vibration, resulting in a smooth surface, it can be used in heavy cutting or machining hard materials ..) helix angle is smaller, which is suitable for cutting middle amount of milling or fine cutting surface of work piece.

    (a)Light cutting
    plain milling cutter
    (b)Heavy cutting
    plain milling cutter
    (c)Finishing cutting
    plain milling cutter
    Light cutting plain milling cutter Heavy cutting plain milling cutter Finishing cutting<br/>plain milling cutter
  2. Side milling cutter:

    Side cutter names from its side with cutting edge, divided into flat side milling cutter, hemi-cutter, staggered blade side cutter and interlocking side cutter four types according to the distribution of blades, as below, The flat side milling cutter (as shown in (a)) with edges in circumference and both sides of the blade can be used to slot, mill plane and ride milling. Hemi-cutter (as shown (b) below) with edges on the circumference and single side, which is good for heavy milling.. the blade could be on the left or right, so if the left and right side of the cutter, in the middle set a flat cutter, you can make milling work. Turn staggered cutting edge on both sides of the surface, said helix angle relative staggered blade side cutter (see the (c) below), allows milling force to reduce vibration and beat, always used in high-speed groove and deep feed milling. The following diagram (d) shows the interlocking side cutter, combine the left and right side of the cutter and the blades of both sides is also relatively, which axial thrust offset each other to do right groove milling work .

    (a)Flat side milling cutter (b)Hemi-cutter (c)Staggered blade side cutter (d)Interlocking side cutter
     flat side milling cutter hemi-cutter  staggered blade side cutter interlocking side cutter
  3. Angular cutter:

    Cutting edge is neither parallel nor perpendicular to the cutter axis called the angle cutters .. unilateral angle cutters and bilateral angle cutters, as shown below, used for milling angular surfaces, such as the V-shaped groove slot, serrated, beveled and hinged blade teeth.

    Unilateral angle cutters cutting edge cutting edge of the cone surface, flat on the cutting edge is the cutter cone into perspective, but also in the left or right side (as shown in a) .. term point of view; bilateral angle cutters, cutting edge on the two intersect the cone on both sides of the angle can be equal or not equal (as shown below (b) below) .. edge angle are equal while the angle of the size of the call.

    (a)Unilateral angle cutters (b)Bilateral angle cutters
    Unilateral angle cutters bilateral angle cutters
  4. Metal slitting saw:

    For milling slots or cutting metal, shown as below:

    Metal slitting saw
  5. Formed cutter:

    According to shape of cutting edge, milling its the opposite shape of the work piece, suitable for mass production, shown three popular types as below:

    (a)Convex-type cutter (b)Concave cutter (c)Gear-type cutter
    Convex-type cutter Concave cutter Gear-type cutter
  6. End mill:

    Cutting edge on the face and on the periphery of the end mill. Just like drill bit and erection of flat end mills, hence it is often used in milling plane, groove, and contour.

  7. T-slot cutter:

    Cutting edges in the both sides and the circumferential surface, and has a standard taper shank into the connector then put into the spindle .. cutters or side cutters milling a vertical slot on the work piece, and then use the T-slot cutters at the bottom milling to create a wide horizontal slot, it’s the T-slot.

    T-slot cutter
  8. Woodruff keyseat cutter:

    Similar to the side milling cutter, but only with cutting edges on the circumferential surface, and it has a handle, used for milling half-moon shape key set of work piece.

    Woodruff keyseat cutte
  9. Dovetail milling cutter:

    For machining dovetail set and groove.

    Dovetail milling cutter
  10. Face milling cutter:

    Face milling cutter is much like the sets of shell-side cutter, face milling cutter diameter 150 nm or more sets of rods mounted in the milling machine spindle mouth, face milling cutter for milling flat similar to its work planer .. knife circle cutter for milling work on the plane cutter for fine cut light repair work.

    (a)HSS face milling cutte (b)WC face milling cutte
    HSS face milling cutte WC face milling cutte

Conclusion:

  • General cutter materials and usage occasion as follows
    1. High-speed steel cutters:for general purposes, the most widely used.
    2. Carbide cutter:for high speed cutting.
    3. Non-ferrous metal casting alloy cutter:suitable for heavy cutting.
  • Plain milling cutter
    1. Straight shank end mill
    2. Taper shank end mill
  • Common end mills:
    1. Convex-type cutter
    2. Concave cutter
    3. Gear-type cutter
    4. Dove tailstock cutter
    5. Semi-moon key cutter
article reference - Vocational Training Council

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Bewise Inc., being a professional manufacturer of various cutting tools, is endeavoring to make excellent products. We are very experienced in custom-made tools, and good at solving customers’ problems when they meet difficulties and troubles. Through everlasting research and practices, we understand thoroughly about different materials of cutters and cutting tools.

 

BW's popular products for tool series including circular saw, carbide cutting tool, saw blade, wood saw blade, special tool,side milling cutter, …etc; For machines we have spiral tube cooler, cutter grinder, and the latest design and advanced powder forming machine / pelletizer. Bewise is a superior manufacturer and supplier of cutter production and machinery industry.

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研磨與拋光介紹

研磨拋光(Polishing or Lapping)是使工件產生平滑鏡面的超精密研磨技術,其目的在於使表面粗糙度及平坦度到達一定的可容許範圍,常被廣泛的使用在硬脆金屬、陶瓷、玻璃及 晶圓等材料表面的精密加工。

研磨-研磨與拋光介紹

研磨

研磨工作方式:

研磨加工通常使用1μm到幾十μm磨粒和鑄鐵等硬質材料的研具。

  • 磨粒在工件與研具之間進行轉動
  • 由研具面支撐磨粒研磨加工面
  • 由工件支撐磨粒研磨加工面

研磨特性:

  • 硬脆材料的研磨
    • 微小破碎痕跡構成的無光澤面。
    • 磨粒不是作用於鏡面而是作用在有凸凹和裂紋等處的表面上,並產生磨屑。
  • 金屬材料的研磨
    • 表面沒有裂紋。
    • 對於鋁材等軟質材料,研磨時有很多磨粒被壓入材料內;對刀具和塊規等淬火工具鋼等可確保有塊規那樣的光澤表面。

拋光-研磨與拋光介紹

拋光

拋光工作方式:

  • 使用<1μm的微細磨粒
  • 軟質材料拋光墊:瀝青、石蠟、合成樹脂和人造革等。
  • 微小的磨粒被拋光器彈性地夾持研磨工件。因而,磨粒對工件的作用力很小,即使拋光脆性材料也不會發生裂紋。

 

研磨特性:

  • 由磨粒進行的機械拋光可塑性地生成切屑。但是它僅利用極少磨粒強制壓入產生作用。
  • 借助磨粒和拋光器與工件流動摩擦使工件表面的凸因變平。
  • 在加工液中進行化學性溶析。
  • 工件和磨粒之間有直接的化學反應而有助於上述現象。

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Cutter selection Part-1

Cutter selection

Only correct type and cutting edge may do a good job for milling work. Popular end mills include flat cutter, side cutter, face milling cutter, milling cutter, end mill, sawing, and milling cutter. Its characteristics is that many teeth and flutes on one milling cutter, some end mills with only two or three teeth; some cutters are with considerable numbers of teeth. Hence end mill is called as multi-teeth cutters.

There are many types of cutters and a variety of classification methods as below:

Classify by material:

  1. High-speed steel cutters:for general purposes, the most widely used.
  2. Carbide cutter:for high speed cutting.
  3. Non-ferrous metal casting alloy cutter:suitable for heavy cutting.

Classify by the way of grinding wheel:

  1. Contour cutter.
  2. Type cutter.

Classify by tool installation:

  1. Spindle cutter device:set cutter by use of the tool axis, which with a hole in the center of milling cutter, and used in horizontal milling machine.
  2. Shank type milling cutter:cutter body with straight shank or taper shank, it needs to be fixed by a chuck or socket for installation.
  3. Face Mills:This cutter is with a short cutter shaft, it needs to be settled by cutter shaft device then set on the spindle of milling machine directly for installation.

Classify by cutter structure:

  1. Overall cutter:body and cutting edge made by the same material as a whole, generally adopt high-speed steel.
  2. Brazed cutter:cutting blade made with carbide, the body is high carbon steel, combined by brazed joint.
  3. Welding blade cutter: cutting blade made with high carbon steel or tool steel, high-speed steel, ontology Ministry both to weld joints.
  4. Inlay cutter:blade screwed on the body, you can remove it to grind or replace, mostly used in face milling cutter of big diameter.

The next article will introduce cutters classified by the appearances and applications, so stay tuned!

article reference - Vocational Training Council

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Bewise Inc., being a professional manufacturer of various cutting tools, is endeavoring to make excellent products. We are very experienced in custom-made tools, and good at solving customers’ problems when they meet difficulties and troubles. Through everlasting research and practices, we understand thoroughly about different materials of cutters and cutting tools.

 

BW's popular products for tool series including circular saw, carbide cutting tool, saw blade, wood saw blade, special tool,side milling cutter, …etc; For machines we have spiral tube cooler, cutter grinder, and the latest design and advanced powder forming machine / pelletizer. Bewise is a superior manufacturer and supplier of cutter production and machinery industry.

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HSS材質對照表

HSS材質對照表

此表以HSS材料為主,將常用的材料規格號碼、記號加以歸納、整理、分析及化學成分及機械性質的分析。

台灣 中國 日本 美國 德國
CNS GB JIS ASTM DIN
2904 9943 G4403 A600 17350
材料號碼 記號
SKH2 W18Cr4V SKH2 T1 1.3355 S 18-0-1
SKH3 W18Cr4V5Co5 SKH3 T4 1.3255 S 18-1-2-5
SKH4 W18Cr4V5Co8 SKH4 T5 1.3265 S 18-1-2-10
SKH10 W12Cr4V5Co5 SKH10 T15 1.3202 S 12-1-4-5
SKH51 W6Mo5Cr4V2 SKH51 M2 1.3342 S 6-5-2
SKH52 W6Mo5Cr4V3 SKH52 M3-1 1.3344 S 6-5-3
SKH53 -- SKH53 M3-2 1.3344 S 6-5-3
SKH54 -- SKH54 M4 1.3344 S 6-5-3
SKH55 W6Mo5Cr4V2Co5 SKH55 -- 1.3243 S 6-5-2-5
SKH56 W6Mo5Cr4V2Co5 SKH56 M36 -- --
SKH57 -- SKH57 M41 1.3207 S 10-4-3-10
SKH58 -- SKH58 M7 -- --
SKH59 W2Mo9Cr4VCo8 SKH59 M42 1.3247 S 2-10-1-8

以下為各種材質的化學成份及機械性質性:


SKH2材質化學成分及機械性質表。點擊回到列表

標準代碼 CNS GB JIS ASTM DIN
記號 SKH2 W18Cr4V SKH2 T1 S 18-0-1
化學成分(%)
Chemical composition
C 0.73-0.83 0.7-0.8 0.73-0.83 0.65-0.80 0.70-0.78
Si ≦0.4 0.2-0.4 ≦0.4 0.2-0.4 ≦0.45
Mn ≦0.4 0.1-0.4 ≦0.4 0.1-0.4 ≦0.4
P ≦0.03 ≦0.03 ≦0.03 ≦0.03 ≦0.03
S ≦0.03 ≦0.03 ≦0.03 ≦0.03 ≦0.03
Ni ≦0.25 ≦0.3 ≦0.25 -- --
Cr 3.8-4.5 3.8-4.4 3.8-4.5 3.75-4.50 3.8-4.4
Mo -- ≦0.3 -- -- --
W 17-18.7 17.5-19.0 17-18.7 17.25-18.75 17.5-18.5
V 1.0-1.2 1.0-1.4 1.0-1.2 0.9-1.3 1.0-1.2
Cu ≦0.25 -- ≦0.25 -- --
機械性質
(硬度)
退火HB ≦269 ≦255 ≦269 ≦255 240-300
焠火HRC ≧63 ≧63 ≧63 ≧63 ≧64

SKH3材質化學成分及機械性質表。點擊回到列表

標準代碼 CNS GB JIS ASTM DIN
記號 SKH3 W18Cr4V5Co5 SKH3 T4 S 18-1-2-5
化學成分(%)
Chemical composition
C 0.73-0.83 0.7-0.8 0.73-0.83 0.7-0.8 0.75-0.83
Si ≦0.4 0.2-0.4 ≦0.4 0.2-0.4 ≦0.45
Mn ≦0.4 0.1-0.4 ≦0.4 0.1-0.4 ≦0.04
P ≦0.03 ≦0.03 ≦0.03 ≦0.03 ≦0.03
S ≦0.03 ≦0.03 ≦0.03 ≦0.03 ≦0.03
Ni ≦0.25 -- ≦0.25 -- --
Cr 3.8-4.5 3.75-4.50 3.8-4.5 3.75-4.50 3.8-4.5
Mo -- 0.4-1.0 -- 0.4-1.0 0.5-0.8
W 17-19.0 17.5-19.0 17-19 17. 5-19 17-18.5
V 0.8-1.2 0.8-1.2 0.8-1.2 0.8-1.2 1.4-1.7
Co -- 4.25-5.75 4.5-5.5 4.25-5.75 4.5-5.5
Cu ≦0.25 -- ≦0.25 -- --
機械性質
(硬度)
退火HB ≦269 -- ≦269 ≦269 240-300
焠火HRC ≧64 -- ≧63 ≧63 ≧64

SKH4材質化學成分及機械性質表。點擊回到列表

標準代碼 CNS GB JIS ASTM DIN
記號 SKH4 W18Cr4V2Co8 SKH4 T5 S 18-1-2-10
化學成分(%)
Chemical composition
C 0.73-0.83 0.75-0.85 0.73-0.83 0.75-0.85 0.72-0.80
Si ≦0.4 0.2-0.4 ≦0.4 0.2-0.4 ≦0.45
Mn ≦0.4 0.2-0.4 ≦0.4 0.2-0.4 ≦0.4
P ≦0.03 ≦0.03 ≦0.03 ≦0.03 ≦0.03
S ≦0.03 ≦0.03 ≦0.03 ≦0.03 ≦0.03
Ni ≦0.25 -- ≦0.25 -- --
Cr 3.8-4.5 3.75-5.00 3.8-4.5 3.75-5.00 3.8-4.5
Mo -- 0.50-1.25 -- 0.5-1.25 0.5-4.5
W 17-19.0 17.5-19 17.5-19.0 17.5-19 17.5-18.5
V 1.0-1.5 1.8-2.4 1.0-1.5 1.8-2.4 1.4-1.7
Co 9.0-11.0 7.0-9.5 9.0-11.0 7.0-9.5 9.0-10.0
Cu ≦0.25 -- ≦0.25 -- --
機械性質
(硬度)
退火HB ≦285 ≦285 ≦285 ≦285 240-300
焠火HRC ≧64 ≧63 ≧64 ≧63 ≧64

SKH10材質化學成分及機械性質表。點擊回到列表

標準代碼 CNS GB JIS ASTM DIN
記號 SKH10 W12Cr4V5Co5 SKH10 T15 S 12-1-4-5
化學成分(%)
Chemical composition
C 1.45-1.6 1.5-1.6 1.45-1.6 1.5-1.6 1.30-1.45
Si ≦0.45 ≦0.4 ≦0.45 0.15-0.40 ≦0.45
Mn ≦0.4 0.15-0.4 ≦0.4 0.15-0.40 ≦0.4
P ≦0.03 ≦0.03 ≦0.03 ≦0.03 ≦0.03
S ≦0.03 ≦0.03 ≦0.03 ≦0.03 ≦0.03
Ni ≦0.25 -- ≦0.25 -- --
Cr 3.8-4.5 3.75-5.00 3.8-4.5 3.75-5.00 3.8-4.5
Mo -- ≦1.0 -- ≦1.0 0.7-1.0
W 11.5-13.5 11.75-13.00 11.5-13.5 11.75-13.00 11.5-12.5
V 4.2-5.2 4.5-5.25 4.2-5.2 4.5-5.25 3.5-4.0
Co 4.2-5.2 4.75-5.25 4.2-5.2 4.75-5.25 4.5-5.0
Cu ≦0.25 -- ≦0.25 -- --
機械性質
(硬度)
退火HB ≦285 ≦277 ≦285 ≦277 240-300
焠火HRC ≧64 ≧65 ≧64 ≧65 ≧65

SKH51材質化學成分及機械性質表。點擊回到列表

標準代碼 CNS GB JIS ASTM DIN
記號 SKH51 W6Mo5Cr4V2 SKH51 M2 S 6-5-2
化學成分(%)
Chemical composition
C 0.8-0.9 0.8-0.9 0.8-0.9 078-0.88 0.86-0.94
Si ≦0.45 0.2-0.4 ≦0.45 0.20-0.45 ≦0.45
Mn ≦0.4 0.15-0.4 ≦0.4 0.15-0.40 ≦0.4
P ≦0.03 ≦0.03 ≦0.03 ≦0.03 ≦0.03
S ≦0.03 ≦0.03 ≦0.03 ≦0.03 ≦0.03
Ni ≦0.25 -- ≦0.25 -- --
Cr 3.8-4.5 3.8-4.4 3.8-4.5 3.75-4.50 3.8-4.5
Mo 4.7-5.2 4.5-5.5 4.5-5.5 4.75-5.50 4.7-5.2
W 5.9-6.7 5.50-6.75 5.9-6.7 5.50-6.75 6.0-6.7
V 1.7-2.1 1.75-2.20 1.6-2.1 1.75-2.20 1.7-2.0
Co -- -- -- -- --
Cu ≦0.25 -- ≦0.25 -- --
機械性質
(硬度)
退火HB ≦262 ≦255 ≦262 -- 240-300
焠火HRC ≧64 ≧63 ≧64 -- ≧64

SKH52材質化學成分及機械性質表。點擊回到列表

標準代碼 CNS GB JIS ASTM DIN
記號 SKH52 W6Mo5Cr4V3 SKH52 M3-1 S 6-5-3
化學成分(%)
Chemical composition
C 1.0-1.1 1.0-1.1 1.0-1.1 1.0-1.1 1.17-1.27
Si ≦0.45 ≦0.45 ≦0.45 0.20-0.45 ≦0.45
Mn ≦0.4 0.15-0.4 ≦0.4 0.15-0.40 ≦0.4
P ≦0.03 ≦0.03 ≦0.03 ≦0.03 ≦0.03
S ≦0.03 ≦0.03 ≦0.03 ≦0.03 ≦0.03
Ni ≦0.25 0.20-0.45 ≦0.25 -- --
Cr 3.8-4.5 3.75-4.50 3.8-4.5 3.75-4.50 3.8-4.5
Mo 5.5-6.7 4.75-6.5 5.5-6.7 4.75-6.50 4.7-5.2
W 5.5-6.7 5.00-6.75 5.5-6.7 5.50-6.75 6.0-6.7
V 2.3-2.6 2.25-2.75 2.3-2.6 2.25-2.75 2.7-3.2
Co -- -- -- -- --
Cu ≦0.25 -- ≦0.25 -- --
機械性質
(硬度)
退火HB ≦262 ≦255 ≦262 ≦255 240-300
焠火HRC ≧64 ≧65 ≧64 ≧64 ≧65

SKH53材質化學成分及機械性質表。點擊回到列表

標準代碼 CNS JIS ASTM DIN
記號 SKH53 SKH53 M3-2 S 6-5-3
化學成分(%)
Chemical composition
C 1.0-1.25 1.0-1.25 1.15-1.25 1.17-1.27
Si ≦0.45 ≦0.45 0.20-0.45 ≦0.45
Mn ≦0.4 ≦0.4 0.15-0.40 ≦0.4
P ≦0.03 ≦0.03 ≦0.03 ≦0.03
S ≦0.03 ≦0.03 ≦0.03 ≦0.03
Ni ≦0.25 ≦0.25 -- --
Cr 3.8-4.5 3.8-4.5 3.75-4.50 3.8-4.5
Mo 4.7-5.2 4.7-5.2 4.75-6.50 4.7-5.2
W 5.5-6.5 5.5-6.5 5.00-6.75 6.0-6.7
V 2.7-3.2 2.7-3.2 2.75-3.25 2.7-3.2
Co -- -- -- --
Cu ≦0.25 ≦0.25 -- --
機械性質
(硬度)
退火HB ≦269 ≦269 ≦255 240-300
焠火HRC ≧64 ≧64 ≧64 ≧65

SKH54材質化學成分及機械性質表。點擊回到列表

標準代碼 CNS JIS ASTM DIN
記號 SKH54 SKH53 M4 S 6-5-3
化學成分(%)
Chemical composition
C 1.25-1.40 1.25-1.40 1.25-1.40 1.17-1.27
Si ≦0.45 ≦0.45 0.20-0.45 ≦0.45
Mn ≦0.4 ≦0.4 0.15-0.40 ≦0.4
P ≦0.03 ≦0.03 ≦0.03 ≦0.03
S ≦0.03 ≦0.03 ≦0.03 ≦0.03
Ni ≦0.25 ≦0.25 -- --
Cr 3.8-4.5 3.8-4.5 3.75-4.70 3.8-4.5
Mo 4.2-5.0 4.2-5.0 4.25-5.50 4.7-5.2
W 5.2-6.0 5.2-6.0 5.25-6.50 6.0-6.7
V 3.7-4.2 3.7-4.2 3.75-4.50 2.7-3.2
Co -- -- -- --
Cu ≦0.25 ≦0.25 -- --
機械性質
(硬度)
退火HB ≦269 ≦269 ≦255 240-300
焠火HRC ≧64 ≧64 ≧64 ≧65

SKH55材質化學成分及機械性質表。點擊回到列表

標準代碼 CNS GB JIS DIN
記號 SKH55 W6Mo5Cr4V2Co5 SKH55 S 6-5-2-5
化學成分(%)
Chemical composition
C 0.85-0.95 0.8-0.9 0.8-0.9 0.88-0.96
Si ≦0.45 0.2-0.45 ≦0.45 ≦0.45
Mn ≦0.4 0.15-0.4 ≦0.4 ≦0.4
P ≦0.03 ≦0.03 ≦0.03 ≦0.03
S ≦0.03 ≦0.03 ≦0.03 ≦0.03
Ni -- 0.20-0.45 -- --
Cr 3.8-4.5 3.75-4.50 3.8-4.5 3.8-4.5
Mo 4.7-5.2 4. 5-5.5 4.7-5.2 4.7-5.2
W 5.9-6.7 5.5-6.5 5.9-6.7 6.0-6.7
V 1.7-2.1 1.75-2.25 1.7-2.1 1.7-2.0
Co 4.5-5.0 4.5-5.5 4.5-5.0 4.5-5.0
Cu -- -- -- --
機械性質
(硬度)
退火HB ≦269 ≦269 ≦269 240-300
焠火HRC ≧64 ≧64 ≧64 ≧64

SKH56材質化學成分及機械性質表。點擊回到列表

標準代碼 CNS GB JIS ASTM
記號 SKH56 W6Mo5Cr4V2Co5 SKH56 M3-1
化學成分(%)
Chemical composition
C 0.85-0.96 0.8-0.9 0.85-0.96 0.8-0.9
Si ≦0.4 0.2-0.45 ≦0.4 0.20-0.45
Mn ≦0.4 0.15-0.40 ≦0.4 0.15-0.45
P ≦0.03 ≦0.03 ≦0.03 ≦0.03
S ≦0.03 ≦0.03 ≦0.03 ≦0.03
Ni ≦0.25 -- ≦0.25 --
Cr 3.8-4.5 3.75-4.50 3.8-4.5 3.75-4.0 0
Mo 4.7-5.2 4.5-5.5 4.7-5.2 4.5-5.5
W 5.9-6.7 5.5-6. 5 5.9-6.7 5.5-6. 5
V 1.7-2.1 1.7-2.25 1.7-2.1 1.75-2.25
Co 7.0-9.0 4.5-5.5 7.0-9.0 7.75-8.75
Cu ≦0.25 -- ≦0.25 --
機械性質
(硬度)
退火HB ≦285 ≦269 ≦285 ≦269
焠火HRC ≧64 ≧64 ≧64 ≧64

SKH57材質化學成分及機械性質表。點擊回到列表

標準代碼 CNS JIS ASTM DIN
記號 SKH57 SKH57 M41 S 10-4-3-10
化學成分(%)
Chemical composition
C 1.20-1.35 1.20-1.35 1.05-1.15 1.20-1.35
Si ≦0.4 ≦0.4 0.15-0.2 ≦0.45
Mn ≦0.4 ≦0.4 0.2-0.60. ≦0.4
P ≦0.03 ≦0.03 ≦0.03 ≦0.03
S ≦0.03 ≦0.03 ≦0.03 ≦0.03
Ni ≦0.25 ≦0.25 -- --
Cr 3.8-4.5 3.8-4.5 3.75-4.50 3.8-4.5
Mo 3.2-3.9 3.2-3.9 3.25-4.25 3.2-3.9
W 9.0-10.0 9.0-10.0 6.25-7.00 9.0-10.0
V 3.0-3.5 3.0-3.5 1.75-2.25 3.0-3.5
Co 9.5-10.5 9.5-10.5 4.75-5.75 9.5-10.5
Cu ≦0.25 ≦0.25 -- --
機械性質
(硬度)
退火HB ≦293 ≦293 ≦269 240-300
焠火HRC ≧66 ≧66 ≧66 ≧66

SKH58材質化學成分及機械性質表。點擊回到列表

標準代碼 CNS JIS ASTM
記號 SKH58 SKH58 M7
化學成分(%)
Chemical composition
C 0.95-1.05 0.95-1.05 0.97-1.05
Si ≦0.7 ≦0.7 0.2-0.55
Mn ≦0.4 ≦0.4 0.15-0.40
P ≦0.03 ≦0.03 ≦0.03
S ≦0.03 ≦0.03 ≦0.03
Ni -- -- --
Cr 3.5-4.5 3.5-4.5 3.75-4.50
Mo 8.2-9.2 8.2-9.2 8.2-9.2
W 1.5-2.1 1.5-2.1 1.4-2.1
V 1.7-2.2 1.7-2.2 1.75-2.25
Co -- -- --
Cu ≦0.25 ≦0.25 --
機械性質
(硬度)
退火HB ≦269 ≦269 ≦277
焠火HRC ≧66 ≧66 ≧65

SKH59材質化學成分及機械性質表。點擊回到列表

標準代碼 CNS GB JIS ASTM DIN
記號 SKH59 W2Mo9Cr4VCo8 SKH59 M42 S 6-5-3
化學成分(%)
Chemical composition
C 1.05-1.15 1.05-1.15 1.05-1.15 1.05-1.15 1.05-1.15
Si ≦0.7 0.15-0.65 ≦0.7 0.15-0.65 ≦0.45
Mn ≦0.4 0.15-0.4 ≦0.4 0.15-0.40 ≦0.4
P ≦0.03 ≦0.03 ≦0.03 ≦0.03 ≦0.03
S ≦0.03 ≦0.03 ≦0.03 ≦0.03 ≦0.03
Ni ≦0.25 -- ≦0.25 -- --
Cr 3.5-4.5 3.50-4.25 3.5-4.5 3.50-4.25 3.6-4.4
Mo 9.0-10.0 9.0-10.0 9.0-10.0 9.0-10.0 9.0-10.0
W 1.2-1.9 1.15-1.85 1.2-1.9 1.15-1.85 1.2-1.8
V 0.9-1.3 0.95-1.35 0.9-1.3 0.95-1.35 1.0-1.3
Co 7.5-8.5 7.5-8.75 7.5-8.5 7.75-8.75 7.5-8.5
Cu ≦0.25 -- ≦0.25 -- --
機械性質
(硬度)
退火HB ≦277 ≦269 ≦277 ≦269 240-300
焠火HRC ≧66 ≧66 ≧66 ≧66 ≧66

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tool,What is cutting tool?

There are lots of metal products around us in our life, but we all know how they are produced?

There are many processing methods to make metal, cutting is the major one among them.

Firstly, let's learn about cutting tool and machining! We often talk about cutting tool. However, what is cutting tool?

At first, we should think about cutting tools around us.

There are a number of cutting tools in our lives .., kitchen knife, knives and other cutting tools (rub the radish), paper knife and pencil sharpener of the table, the saw and plane of tool box and so on, these also belong to cutting tools. Cutters change shape of objects through cutting, and produce cutting debris.

We should have understood that cutting tool is the tool that may change the shape into our expected form through cutting. The cutters in life includes fruit knife, vegetable knife, and cutting saws for wood, etc.

Reference source:mitsubishicarbide.net

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