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What are the common faults in the process of large boring machine and the ways to deal with them?

What are the common faults in the process of large boring machine and the ways to deal with them?

  • Categories:Industry trends
  • Author:
  • Origin:
  • Time of issue:2016-06-08
  • Views:42

(Summary description)Large boring machine processing: there are many kinds of boring machines, including "horizontal boring machine, coordinate boring machine, diamond boring machine, deep hole drilling and boring machine, floor type boring machine", but when these boring machines have faults, they encounter the same problems, not only the same way to deal with them, so in the following article, we will focus on the common problems and ways to deal with them. After the large lathe processing system is started, there is no screen display on the display screen. (1) Check whether the display screen cable is poorly connected. If so, reconnect it. (2) Check whether the display screen voltage is normal. (3) Check the DC power supply circuit.

What are the common faults in the process of large boring machine and the ways to deal with them?

(Summary description)Large boring machine processing: there are many kinds of boring machines, including "horizontal boring machine, coordinate boring machine, diamond boring machine, deep hole drilling and boring machine, floor type boring machine", but when these boring machines have faults, they encounter the same problems, not only the same way to deal with them, so in the following article, we will focus on the common problems and ways to deal with them. After the large lathe processing system is started, there is no screen display on the display screen. (1) Check whether the display screen cable is poorly connected. If so, reconnect it. (2) Check whether the display screen voltage is normal. (3) Check the DC power supply circuit.

  • Categories:Industry trends
  • Author:
  • Origin:
  • Time of issue:2016-06-08
  • Views:42
Information

Large boring machine processing: there are many kinds of boring machines, including "horizontal boring machine, coordinate boring machine, diamond boring machine, deep hole drilling and boring machine, floor type boring machine", but when these boring machines have faults, they encounter the same problems, not only the same way to deal with them, so in the following article, we will focus on the common problems and ways to deal with them.

After the large lathe processing system is started up, the display screen has no display

(1) Check whether the display screen cable is poorly connected, and if so, reconnect it.

(2) Check whether the display screen voltage is normal.

(3) Check the DC power supply circuit.

(4) There is no alarm and the machine tool does not move. There may be a problem with the circuit board or the ROM board.

(5) There is no display, but the machine tool can still operate, indicating that the control part of the large lathe processing system is normal, and only the display circuit connection or printed circuit board has a problem.

Large lathe cannot operate

The first reason may be that the reset button of the machine tool is always on, and the large lathe processing system is in an emergency stop state. The second reason is that there is coordinate movement on the screen, indicating that the machine tool is locked. The third reason is that the feed speed is incorrectly specified and the system is in alarm state.

3. The machine tool cannot return to the reference point

The reason is that the encoder wiring is faulty, or the travel switch or proximity switch has r problems.

4. The displayed value on the panel is inconsistent with the actual feeding value of the machine tool

The position detection element shall be checked.

5. The system is stuck or fails to start normally after startup

Restart the machine. If it still cannot be eliminated, reload the machine parameters.

6. The tool rest does not move or moves randomly

According to the analysis of Dongguan large boring machine processing plant, if the wiring of the sending board or the power line is short circuited, or the Hall element is burnt, the element can be replaced.

7. The tool rest is loose, not tightly clamped and unstable

Check the mechanical parts of the tool rest and remove the dirt from the fitting part

In addition, the machine tool castings without heat aging treatment have large casting stress, which is easy to cause deformation and even cracking of the castings. In casting production, the following measures are taken to prevent and eliminate the cracking and deformation of large machine tool castings.

1. Inspect the structure of the casting model of large machine tools, and place lacing bars and stiffening plates at the places prone to deformation and cracking without affecting the geometric dimensions and performance requirements of the castings; The fillet size of the transition can be increased. For some castings with a large proportion of slenderness, such as machine tool bed castings, flat plates, platforms, etc., especially large machine tool bed castings with guide rails, the guide rails have large hot spots and other parts are thin, which are easy to produce deflection deformation. Therefore, counter deflection should be adopted to offset the deflection deformation produced during casting solidification.

2. In the design of gating system, more than two sprues can be set for castings with large weight and volume, so that the molten metal can enter the mold quickly and stably.

3. After casting, do not open the box too early. There should be enough heat preservation time in the box, especially for medium and large castings.

The above article focuses on the types, faults, handling results and processing operations of the boring machine. "Because of the large mechanical operation, it is not easy to operate the large boring machine at the same time, so the operators should operate in strict accordance with the specifications.

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