Centrifugal casting or rotocasting is a casting technique that is typically used to cast thin-walled cylinders. It is chiefly used to manufacture rotationally symmetric stock materials in standard sizes for further machining, rather than shaped parts tailored to a particular end-use.
Technical Parameters
Product Name : Bimetallic Barrel
Material: JYN3 + JYK Series Alloy
Suitable Machine: Injection / Extrusion / Blowing ...
Available Size: Φ < 500mm, L < 8,000mm
Process Method: Centrifugal Casting
Surface Hardness: 52-62 HRC
Surface Roughness: < Ra 0.8
Screw Straightness: < 0.02mm/m
Advantages
By casting and sintering high quality alloy powder on barrel inside surface with thickness1.5-2.0mm, screws can get higher performance in both wearing & corrosion resistant performance.
Application
General plastics & engineering plastics with below 70% glass fibre filling.
JYK Series Alloy
At this stage, we have JYK-1, JYK-2 and JYK-3 alloy types and treatments for wear fighting
TYPE
COMPONENTS
HARDNESS
(HRC)
Abrasive
RESISTANCE
Corrosion
resistance
applications
JYK-1, C
Fe, Cr, Ni
56 – 60
x
x
Recycling & engineering plastics, reinforced additives less than 20%.
JYK-2, B
Ni, W, Cr
58 – 62
xx
xx
Moderate corrosive, reinforced additives less than 35%
JYK-3, D
Ni, W, Cr
60 – 64
xxx
xx
High abrasive and moderate corrosive plastics
Suitability: (x good) to (xxx excellent).
TYPE
INGREDIENTS (WEIGHT %)
Cr
C
Fe
B
Si
W *
Mn
Ni
Others
JYK-1, C
8
1.2
Bal
4.3
4
/
0.65
10.8
< 1.0
JYK-2, B
8
1.4
5
4
3.3
16.5
0.5
Bal
< 1.0
JYK-3, D
8
1.4
5
4
3.3
40
0.5
Bal
< 1.0
*Highest composition of tungsten carbide can go up to 45%, which enables the barrels have 5 times wear-resistance capability than normal bimetallic barrels and up to 60% glass fibre filling in general & engineering plastics materials.
Bimetallic Barrels,Bimetallic Barrel Casting line,Extruder Bimetallic Parallel Twin Screw Ningbo Jinyi Precision Machinery Co., Ltd. , https://www.jinyi-machinery.com
Propane, a hydrocarbon gas derived from natural gas processing and petroleum refining, has long been recognized as a dependable energy source. However, its versatility extends far beyond being just a fuel. In this in-depth guide, we explore the many uses, advantages, safety measures, regulations, and future trends of propane, highlighting its role in meeting energy demands across residential, commercial, and industrial sectors.
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