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Need to pay attention to these issues when using Sichuan semi-automatic cutting equipment
Author: Date: 2019-11-26 Hits: 80 two-dimensional code sharing

Semi-automatic cutting machine is a very common product among many cutting machine equipment. What should we pay attention to when using semi-automatic cutting machine? Let's find out with Xiaobian of Sichuan cutting equipment manufacturer:

1.Scope of application

The semi-automatic cutting machine is a device for cutting medium and low carbon steel with flame using oxygen-acetylene as heat source. The machine can cut straight, circular and arc and 450 bevels on the left and right.

2. Qualification requirements for operators

2.1 The operator of this machine must be trained by safety professional technology before operation.

2.2 The operator must understand the operation method of the machine and be able to deal with the failures during operation.

3.Mechanical requirements for the environment

3.1 This machine is not suitable for use and storage in a high humidity and high corrosion environment.

3.2 It is not advisable to carry out open-air operations in rainy, snowy and windy weather, and sheltering measures should be adopted if necessary.

4. Mechanical operation process

4.1 All parts must be carefully checked before use, and then used. At the same time, check the gas distribution valves and cutting torch and the connection path. If there is no problem, you can ignite and observe whether the flame is normal. If there is no problem, you can cut.

4.2 For straight cutting, it is necessary to lay a special track on the steel plate to be cut, select the cutting nozzle according to the cutting thickness, and adjust the speed before cutting.

4.3 The pressure automatic switch and pneumatic valve are normally open. When using the automatic pressure switch, the gate knife switch on the label pressure band switch should point to the off direction. At this time, the automatic pressure switch is connected to the power supply when cutting, and the cutting machine Just walk. If you do not use the pressure automatic switch, point the knife switch to the on position, so that you only need to control the on and off of the power supply label to control the operation and stop of the cutting machine.

4.4 When cutting a circle, first install the radius rod in the screw hole of the body shell and lock it, then place the tip of the fixed needle in the hole pre-cut center and adjust the fixed needle to lift the cutting machine's driven wheel For cutting, if you need to cut the bevel, just turn the cutting torch through a certain angle.

4.5 The forward and reverse of the cutting machine (that is, forward and reverse running) can be controlled by a sign with a forward and reverse direction in the middle.

5.Control and monitoring methods for mechanical process parameters and characteristics

5.1 When installing the horizontal guide rail and the main guide rail, pay attention that the adjustment screws cannot be too tight or too loose.

5.2 Do not overtighten when installing the cutting nozzle.

5.3 Before using the jet suction torch, you must check the gas injection and press your finger on the acetylene inlet valve head. Then open the oxygen valve and acetylene valve. At this time, if there is suction on your finger, it means that the torch spray is normal and can be used. If there is no suction, or oxygen flows back from the acetylene joint, it means that the torch performance is abnormal and must be repaired.

6. Regulations on machinery supervision and inspection

6.1 The cutting machine should pay attention to the good condition of each part in normal use, and solve the problem in time if found.

6.2 Strengthen the maintenance and repairs should be performed every year.

7.Regulations for regular testing accuracy and variability

7.1 Detect the forward and reverse movement amount after the main motion clutch is closed. If the value is less than 2mm, it is qualified.

7.2 Testing host's walking speed adjustment range: the minimum speed is not greater than 50mm / min, and the maximum speed is not less than 120mm / min.

7.3 Check the airtightness of the air circuit part including the connection of the connecting hose: closed circuit of oxygen 1.2Mpa, 0.6Mpa of the mixed gas circuit for 20 seconds without leakage.

7.4 Thickness range of steel plate that can be tested: 10 ~ 100mm is qualified.

7.5 Flame burning test of cutting torch (visible cutting oxygen flow length): 1 # ≥70mm; 2 # ≥90mm; 3 # ≥100mm.

8. Rules for daily maintenance

8.1 After cutting, pay attention to the protective cover on the clothing and do not bump it.

8.2 Pay special attention to moisture resistance during use and storage.

8.3 The lubricant in the reduction box should be replaced in time

Copyright: 2019 Welding and cutting net ICP record number: Shu ICP No. 23123124 Sitemap TXT XML HTML

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