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Speed planning method of cutting machine

A speed planning and cutting machine technology, applied in the direction of instruments, digital control, control/regulation systems, etc., can solve the problems of slow running speed, achieve the effect of improving production efficiency, avoiding over-cutting, and ensuring stable operation

Active Publication Date: 2017-12-22
宁波永石精密工具有限公司
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Problems solved by technology

[0004] In order to solve the problem that the existing embedded cutting machine runs slowly when cutting irregular objects, the present invention provides a control method of S-shaped five-segment curve speed control and variable acceleration, which can effectively improve the speed of the cutting machine when cutting irregular objects. Speed ​​and stability when cutting regular objects

Method used

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Embodiment Construction

[0021] Embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0022] refer to figure 1 with figure 2 , a speed planning method for a cutting machine, comprising the following steps:

[0023] 1) Adopt the S-type five-stage acceleration and deceleration control method to determine the corresponding ladder step length table

[0024] The acceleration and deceleration control of this system adopts the S-type five-stage speed control method, which is divided into acceleration and acceleration sections, uniform acceleration sections, uniform speed sections, uniform deceleration sections, and deceleration and deceleration sections. Compared with the seven-segment standard S-shaped speed curve, the deceleration and acceleration segments and acceleration and deceleration segments are omitted. This control method can start smoothly and accelerate to the maximum speed in the shortest time, thereby reducing the acceleration...

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Abstract

The invention discloses a speed planning method of a cutting machine. The speed planning method comprises the steps of: 1) determining a corresponding ladder step length table by adopting an S-like five-stage acceleration and deceleration control method; 2) implementing variable acceleration by determining relations among an inflection point speed, a corner size and an acceleration, and adjusting the acceleration according to a current real-time speed when passing through different corners of a track; 3) calculating a self-adaptive inflection point speed, and determining a final corner speed according to an angular velocity solution formula and a speed reverse derivation method. The speed planning method of the cutting machine provided by the invention effectively shortens the motion acceleration and deceleration time and increases the corner speed in the cutting process.

Description

technical field [0001] The invention relates to a method for planning motion speed, in particular to a method for planning speed of a cutting machine, belonging to the field of motion control. Background technique [0002] China has a huge consumer market, and people's demand for various products continues to expand. When processing product packaging boxes, labels and other materials, cutting machines are the most ideal choice, because cutting machines have excellent stability, precision and work efficiency. It can better meet the needs of production. Most of the cutting machines are very convenient in the replacement of knives and other related tools, and can meet the cutting of various materials according to the actual situation. [0003] At present, there are a large number of middle and low-end cutting machines in the domestic market. When cutting irregular objects, the acceleration and deceleration time of the cutting machine and the speed of corner turning are serious...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/416
CPCG05B19/4163G05B2219/36521
Inventor 董辉张圻张斌豪王亚男俞立
Owner 宁波永石精密工具有限公司
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