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Wire
Saw Production Specifications and Characteristics |
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The standard
specifications for the wire generally used at present are shown below.
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| Material |
SWRS77A
or SWRS82A |
| Diameter |
140
~ 180 µm + 1 µm |
| Out
of Round |
1
µm |
| Tensile
strength |
2,900
~ 3,200 Mpa |
| Wire
length |
300
~ 500 km |
| Winding
condition |
Constant
pitch, constant tension |
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techniques used in production need to:
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- Reduce the foreign
particles contained in the steel and the scratches on the surface
of the wire, hence reducing wire breakage.
- Maintain the
uniformity of the diameter to within +1 µm over the entire
length by the uniform surface treatment needed to achieve a high
degree of wire draw-ability.
- Produce a
satisfactory wafer shape after slicing by optimizing the stability
of the wire formability with sufficient surface hardness to
prevent wire wear.
- Ensure compatibility
with wire saw equipment used for high-precision slicing by
maintaining high precision winding over the entire length.
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As such, our saw wire must possess the following characteristics:
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- Preventing wire
breaks during slicing
- A high tensile
strength wire to cope with high tension slicing
- Ensuring a
satisfactory shape of the sliced wafer after slicing
- Excellent cutting
performance.
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Technologies
Powder Metal Tecnology
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Techniques |
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© 2000 SUMITOMO ELECTRIC SINTERED COMPONENTS (M) SDN BHD,
All Rights Reserved. Designed & Maintained by Hileytech |
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