SU914245A1 - Apparatus for grinding curvilinear surfaces - Google Patents

Description

The invention relates to abrasive machining and can be used for grinding the curved surfaces of the die tool on the copier.

A device for grinding curvilinear surfaces, comprising a grinding head, a movable table for attaching a workpiece and a copier, a table rotation drive, a copier and a power closure of a copying device {1], is known.

The drawbacks of the device are the impossibility of processing surfaces of greater curvature due to the limitation of pressure angles in the copier and the use of a thumb, a large diameter, as well as low machining accuracy due to the mechanical connection of the table with the drive and the power circuit device.

The purpose of the invention is to expand the technological capabilities of the device and improve processing accuracy.

To this end, the device is equipped with an electric source of a magnetic field, the magnetic circuit of which carries

¹ copy finger and is connected to the table rotation drive.

FIG. 1 shows the proposed 5 device, a general view; in FIG 2, A view in FIG. one; in fig. 3 is a view B in FIG. one.

On the plate 1 is installed the carriage 2 on the guides 3. On the carriage 2 with

Возможностьюθ can be rotated on the balls 4 installed table 5, carrying the workpiece 6, and a copier 7 in contact with a copy finger 8 mounted on the core (magnet duct) 9 electric source of magnetic field (electromagnetic coil) 10 associated with the actuator 11 of the table 5 .

The device works as follows.

By displacing the carriage 2 along the guides 3, the copying finger 8 with the copier 7 is brought into contact. The drive 11 is turned on and the voltage is applied to the coil 10. The magnetic field formed by the coil 10 carries out the third short circuit of the copier 7 and finger 8

and the core 9 with the finger 8, rotating, due to friction forces, transmits the rotation from the drive 11 to the copier 7 and the table 5

30 which, rotating on balls 4 and ne3

914245

four

moving together with the carriage 2 in the guides 3 according to the law given by copier 7, provides grinding of the curved surface of the part 6.

The application of the invention simplifies the kinematic connection between the table drive and the table, provides the ability of the copier to work with pressure angles that are not limited in size, implies an increase in processing accuracy.

Claims (3)

Claim A device for grinding curviline, ^ neynyh surfaces containing a grinding head mounted with g the ability to move the table for mounting the workpiece and a copier, a table rotation drive, a copier finger and a power closure device of the copier, 5 characterized in that, in order to expand technological capabilities and improve processing accuracy, the device is equipped with an electric source of a magnetic field ", 10 magnetic circuit which carries a finger and is connected to the drive of rotation of the table.