Process introduction
The sewing and cutting line is mainly used for sewing and cutting shirt collars, sleeves and pockets, and the equipment is divided into the following 4 parts:
1. Discharging part: used for the initial positioning of sewing materials, the laser projection position is controlled by the motor, and the materials are manually placed on the platform.
2. Sewing part: It is composed of sewing machine needle, sewing hook, sewing X-axis and sewing Y-axis, and carries out high-speed sewing according to the graphic trajectory.
3. Cutting part: It is composed of a combination of cutting knife axis, cutting X-axis and cutting Y-axis, and cutting materials after sewing according to the graphic trajectory.
4. Receiving part: Arrange and stack the cut finished products.
problem
1. How to simplify the drawing and operation process?
2. How to improve the trajectory accuracy during high-speed cutting?
solution
01. Trajectory analysis technology
By giving the coordinates of the feature points, the arc or straight line is divided into equal spacing to achieve high-speed sewing and cutting of the equipment.
02. CAD graphics processing technology
The standard CAD drawings are generated into DXF files, and the drawing data is copied to the controller through SD to achieve fast processing and copying of the drawings.
03. Forward-looking control technology
By calculating the acceleration (ax, ay), resultant acceleration (axy), and feature point position of X and Y, the equipment can be decelerated in advance to achieve the purpose of improving accuracy.
Control system
● Mechanical automation controller NJ/NX series
● AC servo system 1S series
● Programmable terminal NA/NB series
Deliver value
1. Sewing speed: 3500 stitches/min
2. Cutting speed 300mm/s
3. Accuracy±0.1mm
【Management】
■ In response to the fierce competition in the industry and the continuous improvement of equipment efficiency and accuracy, through the comprehensive upgrade of graphics processing and control technology, high-speed sewing and cutting are realized, helping to create the industry's top equipment performance.
【Management】
■ It replaces the original IPC and host computer customized software scheme, and greatly reduces the overall investment cost under the premise of achieving the same equipment performance improvement.
■ Omron's NJ/NX series of mechanical automation controllers can collect, store, and analyze on-site production data, improve management issues, and improve production efficiency.
【Engineer Layer】
■ Through CAD graphics processing technology, fast graphic copying (only 2 minutes) is realized, which greatly saves the operator's man-hours.
■ Omron engineers participate in the whole process of guidance, and the later project is adjusted, and you only need to modify the parameters by yourself.
Article source: Omron Industrial Automation Information Account
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