KDA3.2-150-3-A0S-W1 REXROTH KDA spindle drive series

Description

Overview

Essential details：KDA3.2-150-3-A0S-W1 REXROTH KDA spindle drive series

The electric spindle is a combination of the spindle and the drive motor of the machine tool, and is the core component of the high-end CNC machine tool. From the structural point of view, it is a motor, just used in the machine tool processing industry, different from the traditional motor, the output shaft end of the motor will be installed with a tool, for milling – grinding – car and other machining, the machining accuracy of the machine tool is completely dependent on the rotation accuracy of the motor rotor, so compared with the traditional motor, the rotating accuracy of the electric spindle rotor is higher.

First, the importance of electric spindle
The equipment manufacturing industry is the pillar industry of the national economy, the machine tool industry is the cornerstone of the equipment manufacturing industry, all the parts and equipment with precision requirements need to have machine tools to process. The rotation of the spindle of the machine tool is driven by the motor, and the traditional machine tool is an asynchronous motor that drives the input shaft of the gearbox through the pulley, and the machine tool realizes the speed regulation of the motor spindle through the transformation of the gear meshing of the gearbox. Electric spindle is the core functional component of high precision machine tool, the motor rotor is directly installed the tool, eliminating the transmission link of the intermediate pulley and gear box, its function is to drive the tool (grinding wheel) or workpiece rotation, to achieve high-speed and efficient precision machining. The performance of the spindle of the machine tool largely determines the machining efficiency and machining quality of the machine tool, and has a crucial impact on the performance of the machine tool.

KDA3.2-150-3-A0S-W1

Second, electric spindle industry status
The electric spindle enterprise scale is generally small, the lack of leading enterprises and industry brands, the overall production capacity can not meet the needs of the market, the following are some industry benchmarking enterprises:

Enterprises in the field of rolling bearing electric spindle: Guangzhou Haozhi Electromechanical Co., LTD., Jiangsu Xingchen High-speed Motor Co., LTD., Linnan Special Motor Factory, Luoyang Shaft Research Technology Co., LTD.

Enterprises in the field of hydrostatic spindle: Beijing Beihang Precision Electromechanical Co., LTD., Beijing Dongfang Lean Machinery Equipment Co., LTD., Shanghai Original Precision Machine Tool Spindle Co., LTD.

Enterprises in the field of gas bearing electric spindle: Guangzhou Haozhi Electromechanical Co., LTD and Guangzhou Suifeng Company, etc.;

The middle and low spindle market has been localized, but high-end products such as machining center electric spindle and swing milling head electric spindle still rely on imports. Spindle parts support industry is weak, some key areas are still blank. At present, there are no professional manufacturers in China in terms of high-strength and high-permeability steel, 0.20/0.35 high-permeability and low-loss silicon steel sheet, high-speed HSK broach system, high-speed rotary joint, online dynamic balancing system, built-in test system, high-speed and high-resolution encoders and other parts.

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Superiority products KDA3.2-150-3-A0S-W1 REXROTH KDA spindle drive series