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a servo system

A follow-up system and resistance technology, applied in the field of follow-up systems, can solve the problems of complex structure, low cost performance, poor performance stability, etc., and achieve the effect of high-stability cutting processing effect.

Active Publication Date: 2016-03-23
BEIJING DAWO TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In order to solve the problems of poor performance stability, complex structure, and low cost performance in the prior art, the present invention provides a servo system. The technical solution adopted by the present invention to solve the technical problems is: including a servo sensor, a preamplifier, a controller , a high-frequency cable and a control cable; the follow-up sensor is connected to the preamplifier through a high-frequency cable; the preamplifier is connected to the controller through a control cable

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Embodiment 1

[0023] Embodiment 1: as Figure 1 to Figure 7 As shown, the present embodiment provides a servo system, including a servo sensor 1, a preamplifier 2, a controller 3, a high-frequency cable 4 and a control cable 5; the servo sensor 1 communicates with the preamplifier through a high-frequency cable 4 2 connection; the preamplifier 2 is connected with the controller 3 through the control cable 5 .

[0024] The follow-up sensor 1 includes a sensor body 10, a ceramic body 11, a lock nut 12, a laser nozzle 13 and a BNC connector 14; the BNC connector 14 is connected to the side of the sensor body 10; the upper end surface of the ceramic body 11 is connected to the lower end surface of the sensor body 10 , the ceramic body 11 includes a main body electrode 111, a wiring hole 112, a first positioning post 113 and a second positioning post 114; the wiring hole 112 is located between the first positioning post 113 and the second positioning post 114, and the main body electrode 111 pas...

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Abstract

The invention relates to a follow-up system. The follow-up system comprises a follow-up sensor, a preamplifier, a controller, a high-frequency cable and a control cable, wherein the follow-up sensor is connected with the preamplifier by use of a high-frequency cable; the preamplifier is connected with the controller by use of a control cable. The follow-up system has the advantages that a non-contact capacitive sensor is adopted, the sensor and a cutting head are integrated, and the preamplifier and the controller are adopted to self-adaptive position closed-loop control on the focal position of laser, and therefore, high-quality and high-stability cutting machining effect can be achieved.

Description

technical field [0001] The invention relates to a servo system, in particular to a capacitive servo system, which belongs to the technical field of numerical control. Background technique [0002] Follow-up control, also known as gap control, refers to controlling the laser cutting head to maintain a constant distance from the workpiece surface during CNC laser processing, that is to say, as the workpiece surface fluctuates, the laser cutting head must also adjust its position in real time , to keep the distance between them constant. In this way, the defocus amount can be kept constant during the whole processing process, thus ensuring the constant kerf and cutting smoothness. For the measurement of the distance between the laser cutting head and the surface of the workpiece, there are two types: contact type and non-contact type. Because the contact follow-up will affect the surface finish of the material to be cut, it is generally used in cutting systems that do not req...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23K26/046B23K26/70
CPCB23K26/048B23K26/38
Inventor 付立强
Owner BEIJING DAWO TECH