Bottom Knives
Bottom knife
Introduce
The bottom knife is used for shear cut application for different materials such as paper, plastic film, rubber,non-woven, cloth and other thin-film, etc. SKD11 material is tool steel with good hardenability and abrasion resistance. All our knives are manufactured with excellent quality and control production at every step.
Model no. BD-K-090-060-020-D05 BD-K-105-080-030-D05 BD-K-130-105-040-D03
Model no. BD-K-090-060-020-D05 BD-K-105-080-030-D05 BD-K-130-105-040-D03
Blade O.D. 90mm 105mm 130mm
Blade I.D. 60mm 80mm 105mm
Blade width 20mm 30mm ; 40mm
Blade angle 5 degrees ; 3 degrees
Material Description SKD11's steel grades are GB Cr12MoV in China, JIS SKD11 in Japan,
AISI / SAE D2 in USA, DIN 2X165CrMoV12 in Germany.
SKD11 belongs to mold tool steel, and it is also a kind of high-carbon alloy steel. It has both high hardness,
high strength, and abrasion resistance,
; and its surface is precisely ground, which is suitable for making blades.
Chemical composition (JIS G4051) (C)% : 1.4~1.6
(Si)% : 0≦0.4
; (Mn)% : 0≦0.6
(P)% : 0≦0.03
(S)% : 0≦0.03
; (Ni)% : 0≦0.5
; (Cr)% : 11.0~13.0
(Mo)% : 0.8~1.2
(V)% : 0.2~0.5
(Cu)% : 0≦0.25
Drawing
Unit:mm
|
Order no. |
BD-K-090-060-020-D05 | BD-K-105-080-030-D05 | BD-K-130-105-040-D03 |
|
d |
60 |
80 |
105 |
|
D |
90 |
105 |
130 |
| W | 20 | 30 | 40 |
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Bottom knife Catalog
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Guide-bar
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The 130 teeth zigzag blade is made of tool steel (SKD-11) imported from Europe, processed by well heat treatment to increase its mechanical properties such as toughness and wear resistance. The blade tip is precisely ground to maintain an equal tooth pitch and peak, the slitting edge will generate the zigzag notch, to facilitate tearing along the notch. The zigzag blade is suitable for easy-tear applications such as medical tapes.
Bearing
5.0mm/6.2mm Bearing
Bearings for score blade, there are two different model , 697ZZ is for 5.0mm thickness and 17mm inner diameter score blade ; 6900RS is for 6.2mm thickness and 22mm inner diameter.
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