Grinding machine and grinding fluid supply-nozzle therefor

Details Grinding machine and grinding fluid supply-nozzle therefor Grinding machine and grinding fluid supply-nozzle therefor

2006-03-21

2006-03-21

Nguyen, George (Department: 3723)

Abrading

Precision device or process - or with condition responsive...

Controlling temperature

C451S053000, C451S488000, C451S449000

Reexamination Certificate

active

07014528

ABSTRACT:
It is one object of a grinding machine and a grinding fluid supply-nozzle therefor according to the present invention to supply grinding fluid to a moving grinding point reliably, even if the surfaces of a grinding wheel is abraded up.A wheel head5advances/retracts to a workpiece. A grinding wheel G is carried rotatably by the wheel head5and grinds an eccentric portion W of the workpiece. A grinding fluid supply-nozzle50supplies grinding fluid to a moving grinding point K where the grinding wheel G contacts the eccentric portion W of the workpiece. The grinding fluid supply-nozzle50is made from a curve portion53, an opening51and a straight portion52between the curve portion53and the opening51. The grinding fluid supply-nozzle50spouts the grinding fluid to a grinding fluid supply point Pc upstream the grinding points K and Ks, even in the case that the grinding wheel G has been abraded up. Besides, the angle between the tangent of the grinding fluid supply point Pc and the grinding fluid spouted from the grinding fluid supply-nozzle50is smaller than a right angle.

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