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IoTRobotics

Contribute to realize advanced product design
in the field of robotics & mechanics

High Dimensional Accuracy
Phenolic Molding Compound SiON®

High Dimensional Accuracy Phenolic Molding Compound SiON(R)

We Continue Challenge for Realization of
"Non-machining process" which has been Hoped
for Long Time.

Advantage

  • Excellent dimensional accuracy in continuous molding process
  • Low dimensional change in environment for use
  • Low CTE
  • Low anisotropy
  • Collarless is possible by high creep resistant
SiON

Core technology

Diemnsion Accuracy
Grade PM-5245 PM-5265
(Development material)
PM-9640
Characteristic Dimensional stability High dimensional accuracy
Low specific gravity
GF reinforced
Specific gravity - 2.03 1.90 1.78
Molding Shrinkage % 0.24 0.30 0.28
CTE (MD/TD) ppm/K 13/14 16/18 14/30
Flexural strength MPa 180 180 225
Flexural modulus GPa 23 18 16
Tensile strength MPa 110 110 140
Compressive strength MPa 360 340 320
Charpy Impact strength kJ/m2 3.0 3.0 5.2
Diemnsion Accuracy
Item Dimension of mold PM-5245 PM-9640
Dimension of molding part Dimension of molding part
Average σ Average σ
Inner diameter 68.070 67.852 0.002 67.791 0.009
Circularity 0.005 0.007 0.002 0.022 0.003
Flatness A 0.002 0.019 0.002 0.054 0.007
Flatness B 0.002 0.015 0.001 0.050 0.005
Cylindricity 0.008 0.017 0.002 0.049 0.006

Application example

Timing pulley
Timing pulley
Master cylinder piston
Master cylinder piston
Sleeve
Sleeve
EPS pulley
EPS pulley

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