JPH07195271A - Wheel polishing method by robot polishing machine - Google Patents

Abstract

PURPOSE:To prevent any loading on an abrasive wheel in a short time and any galling due to abrasive swarf from occurring by installing a hole, being opened to the underside, in a central part of this abrasive wheel and also a groove, being opened to the outer circumferential surface radially on the underside, with an opening part of the hole as the center, respectively. CONSTITUTION:A hole 6 being opened to the underside is made in the center of a gree carborundum wheel 2 as being interconnected to a horizontal hole 7 at the side, while an abrasive wheel 2' provided with a groove being opened to the outer circumferential surface radially on the underside with an opening part of the hole 6 as the center is attached to an arm 1 of an abrasive robot. In addition, an abrasive working fluid feeding tube 9 of a coolant pump is connected to the horizontal hole 7. Next. an abrasive working fluid 5 is continuous poured in the hole 6 by drive of this coolant pump through those of feeding tube 9 and hole 7, polished surface of a polished work 3 ground in a state that the abrasive working fluid 5 exists full enough as feeding it to a cruciform groove.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for polishing a material to be polished, for example, a nozzle plate having fine holes (spinneret for chemical fiber, nozzle for ink jet printer, diaphragm for optical equipment, etc.) with a robot polishing machine. .

[0002]

2. Description of the Related Art Conventionally, to grind a material to be ground, for example, a nozzle plate having fine holes, a rectangular parallelepiped (length 25 mm, width 25 mm,
Grinding stone made of resin such as FBB (Al ₂ O ₃ ) with a length of 30 mm and green carborundum. 2
Was attached to the upper surface of the nozzle plate 3 against the grindstone 2 and the polishing liquid 5 was applied from the hose 4 to the upper surface of the nozzle plate 3 for polishing. By the way, in the polishing while applying the polishing processing liquid to the upper surface of the nozzle plate 3 as described above, since the removal of the polishing residue is poor, the grindstone 2 is clogged in a short time and the polishing efficiency is poor. In addition, unevenness occurs in the amount of polishing and the state of the finished surface, and moreover, the ratio of scuffing on the upper surface of the nozzle plate 3 due to the polishing residue is very high, so that it is targeted for re-polishing or in some cases defective.

[0003]

SUMMARY OF THE INVENTION Therefore, the present invention prevents clogging of the grindstone in the grinding of the grindstone in a short time and prevents the occurrence of scuffing due to the grinding residue to improve the grinding quality and the grinding efficiency. It is intended to provide a grinding wheel polishing method using a robot polishing machine, which can improve the polishing time and shorten the polishing time.

[0004]

A method of polishing a grindstone by a robot grinder of the present invention for solving the above-mentioned problems is a method of grinding a material to be ground by a robot grinder, in which the lower surface is provided at the center of the grindstone. A groove that opens radially to the outer peripheral surface is provided on the lower surface with the opening of the hole as the center, and the polishing liquid is continuously injected from the hole,
It is characterized in that the material to be polished is ground with a grindstone while being supplied to the radial grooves.

[0005]

As described above, in the method for polishing a grindstone by the robot grinder of the present invention, the surface to be ground of the material to be ground is ground while the grinding fluid is supplied from the hole provided in the center of the grinding wheel to the radial grooves on the lower surface. Since the grindstone is polished in the presence of sufficient working fluid, the grinding residue is continuously removed from the radial groove to the outside, and clogging of the grinding wheel in a short time and the occurrence of scuffing due to the grinding residue occur. To be prevented.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a grindstone grinding method by a robot grinder of the present invention will be described with reference to FIG. 1. In grinding a nozzle plate 3 having fine holes (not shown), a rectangular parallelepiped (length 25 mm) is used. , Width 25 mm, length 30 mm) Green carborundum grindstone 2 has a diameter of 5 on the bottom surface at the center.
The hole 6 of mm is communicated with the lateral hole 7 of 5 mm in diameter on the side surface, and the hole 6 is radially centered on the opening of the hole 6,
In this example, a grinding wheel 2'provided with a groove 8 having a width of 3 mm and a depth of 5 mm, which is opened in a cross shape on the outer peripheral surface, is attached to the arm 1 of the polishing robot.
Attached to. Then, the polishing liquid supply tube 9 of a coolant pump (not shown) is connected to the lateral hole 7, and the polishing liquid 5 is continuously injected into the hole 6 through the supply tube 9 and the lateral hole 7 by driving the coolant pump. While being supplied to the cross-shaped groove 8, the surface to be polished of the nozzle plate 3 was ground with a grinding stone in a state where the polishing liquid was sufficiently present. In this way, the surface to be polished of the nozzle plate 3 was ground with a grindstone,
The polishing residue is continuously discharged from the cross-shaped groove 8 to the outside,
It was possible to prevent clogging of the polishing grindstone 2'in a short time and to prevent galling due to the polishing residue.

[0007]

As described above, according to the method for grinding a grindstone by the robot grinder of the present invention, it is possible to prevent clogging of the grindstone in a short time and to prevent scuffing due to the grinding residue, thereby improving the grinding quality and grinding. Improved efficiency and reduced polishing time are achieved.

[Brief description of drawings]

FIG. 1 is a diagram showing an embodiment of a grinding wheel polishing method using a robot polishing machine of the present invention.

FIG. 2 is a diagram showing a grinding wheel polishing method using a conventional robot polishing machine.

[Explanation of symbols]

 1 Robot arm's arm 2'Grinding stone 3 Nozzle plate 5 Polishing fluid 6 hole 7 Horizontal hole 8 groove

Claims (1)

[Claims] 1. When polishing a material to be ground with a robot grinder, a hole is formed in the lower surface of the polishing grindstone at the center of the grinding wheel, and the outer peripheral surface is radially formed on the lower surface around the opening of the hole. A grindstone polishing method using a robot grinder, characterized in that a groove is provided, a polishing liquid is continuously injected from the hole, and the material to be polished is ground by a grindstone while being supplied to the radial groove.