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Electromechanical solution combination feeding driving control device in high-hardness spherical precision grinding and method thereof

A precision grinding, electromechanical hydraulic technology, applied in the direction of grinding drive device, grinding machine parts, grinding/polishing equipment, etc., can solve the problems that it is difficult to guarantee grinding efficiency and dimensional accuracy, and avoid grinding Burn, best grinding effect, easy to achieve effect

Inactive Publication Date: 2012-05-09
SHANGHAI JIAO TONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

However, this type of grinding disc is mainly used for polishing the workpiece to be processed. If it is used for high-precision precision grinding, it is difficult to guarantee the grinding efficiency and dimensional accuracy

Method used

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  • Electromechanical solution combination feeding driving control device in high-hardness spherical precision grinding and method thereof
  • Electromechanical solution combination feeding driving control device in high-hardness spherical precision grinding and method thereof
  • Electromechanical solution combination feeding driving control device in high-hardness spherical precision grinding and method thereof

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Embodiment Construction

[0018] The embodiments of the present invention are described in detail below. Based on the premise of the technical solution of the present invention, the present embodiment provides detailed implementation and specific operation process, but the protection scope of the present invention is not limited to the following embodiments.

[0019] like figure 1 and figure 2 As shown, this embodiment provides an electromechanical-hydraulic combination feed drive control device for high-hardness spherical precision grinding, including: a grinding wheel frame worktable part 1, a grinding wheel frame sliding seat part 22, wherein: the grinding wheel frame sliding seat part 22 is movable It is arranged on the linear guide rail 26 of the grinding wheel head workbench part 1.

[0020] The wheelhead workbench components include: wheelhead workbench 1, linear guide rail 26, first oil cylinder 12, first piston 11, first piston rod 10, second oil cylinder 20, second piston rod 19, second pis...

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Abstract

The invention discloses an electromechanical solution combination feeding driving control device in high-hardness spherical precision grinding and a method thereof; a ball screw is driven by a servo motor to rotate; a nut of the ball screw drives a first piston rod in a first oil cylinder to linearly and to linearly move from right to left move; hydraulic oil driving the left end of a piston in the first oil cylinder flows to the left end of a piston of a second oil cylinder from the first oil cylinder through a left flow channel, so that a second piston rod is driven to move bilaterally; a grinding wheel frame sliding base is driven to carry out feeding movement through a second connection block; when the feeding speed is high and the grinding and removing speed is low, the grinding pressure can be gradually increased; the oil pressures at the left sides of the pistons of the first oil cylinder and the second oil cylinder are increased; the numerical values of a pressure sensor and a pressure gauge installed on a three-way joint are increased; and the feeding speed is determined by obtaining the pressure change of the pressure sensor. According to the device disclosed by the invention, the grinding control with constant pressure can be realized without a complex hydraulic servo system, thus, the feeding rate of a grinding device, the grinding and eliminating rate and the grinding wheel abrasive loss rate are kept balance.

Description

technical field [0001] The invention relates to a high-hardness spherical surface precision grinding technology in the technical field of numerical control machine tools, in particular to an electromechanical-hydraulic combined feed drive control device and method in high-hardness spherical surface precision grinding. Background technique [0002] High-hardness and high-precision balls are key components in high-temperature, high-pressure, and wear-resistant ball valves. This type of ball valve is subjected to very harsh working conditions. In order to improve its high temperature resistance and wear resistance, the ball surface of the ball valve is usually sprayed with high hardness materials such as WC and Ni60 with high wear resistance. On the other hand, since this kind of ball valve generally works in a high temperature and high pressure environment, the sealing requirements are also quite high. Ra requirements must also be less than 0.1μm, which brings more difficulti...

Claims

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Application Information

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IPC IPC(8): B24B47/14
Inventor 胡德金
Owner SHANGHAI JIAO TONG UNIV
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