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Accuracy of the ball screw shaft
Accuracy of the ball screw shaft is divided into eight levels
Accuracy class: C0, C1, C2, C3, C4, C5, and the general accuracy: C7 and C10. Larger the number, the lower the accuracy.
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Positioning screw |
drive screw | ||||||
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C0 |
C1 |
C2 |
C3 |
C4 |
C5 |
C7 |
C10 |
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High Accuracy Lower accuracy | |||||||
Accuracy of the ball screw shaft defined by three parameters, namely: Lead accuracy, precision mounting surface, the percentage change in the pre-stress moments. Japanese Industrial Standard JIS customized for each accuracy class data standards.
(For example) a C5 grade ball screws include: Lead accuracy C5, mounting accuracy C5, the percentage change in the pre-stress moments C5.
Precision ball screw mechanical system should be chosen to meet the required positioning accuracy. Kuroda Precision from the practical application experience summed up the following criteria for information.
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Machine type |
Accuracy class | |||||||||
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C0 |
C1 |
C2 |
C3 |
C4 |
C5 |
C7 |
C10 | |||
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CNC machines |
Machining centers |
XY |
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Z |
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Lathe |
X |
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Z |
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Grinding machine |
X |
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Z |
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EDM machining tools |
XY |
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Z |
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Punch |
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Woodworking machines |
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Industrial robots |
Cartesian |
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Articulated arm type |
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SCARA(Facet joint) type |
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Semiconductor Manufacturing Equipment |
Photoresist exposure system, the mask system |
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Etching, ion implantation system |
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Wire welder, welding machine die |
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Wafer Prober |
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PC board assembly systems |
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Printing equipment |
Electronic color separation equipment |
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Electronic typesetter |
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Business Equipment |
Color printer |
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XY plotter, auto-mapping system |
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Injection molding machine |
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Delivery and pick and place systems |
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Taian Haishu Machinery Co.,Ltd.
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