CNC lathe 4 tool position how to install 6 5

One shank can weld two blades, one shank can fit three to four grooving knives, and one shank can fit a row of rotorsLook at the force on the tool holder.

CNC lathes and turning centers are high-precision and high-efficiency automatic machine tools. Equipped with a multi-station turret or a driven turret, the machine tool has a wide range of processing process performance, can process linear cylindrical, oblique cylindrical, circular arc and a variety of threads, grooves, worms and other complex workpieces, with linear interpolation, arc interpolation various compensation functions, and in the mass production of complex parts play a good economic effect.

"CNC" is the abbreviation of computerized numerical control in English. CNC machine tools are automatically processed on the processed parts according to the pre-programmed processing program. We will part the processing process route, process parameters, tool trajectory, displacement, cutting parameters (spindle revolution, feed, back eating tool, etc.) and auxiliary functions (tool change, spindle rotation, reversal, cutting fluid on, off, etc.), in accordance with the instructions and program format specified by the CNC machine tool into a processing program sheet, and then record the content of the program sheet on the control medium (such as perforated paper tape, tape, disk, magnetic bubble memory), and then input into the CNC machine tool CNC device. Thus directing the machine tool to process parts.

This whole process from the analysis of the part diagram to the production of the control medium is called the preparation of numerical control programming. The difference between CNC machine tools and ordinary machine tool processing parts is that CNC machine tools automatically process parts according to the program, while ordinary machine tools are operated by people, and we only need to change the program to control the action of machine tools to achieve the purpose of processing different parts. Therefore, CNC machine tools are particularly suitable for processing small batches of parts with complex shapes that require high precision.

Because the CNC machine tool should process parts according to the program, the programmer will input it into the CNC device to direct the machine tool after the program is prepared. The input to the program is through the control medium.

There are two cases:

First, if it is a student internship, you can do it if you can ensure the quality of the parts to see how convenient it is. At this time, if it is a four-knife position, it is difficult. It can be used to make forming tools, and a grooving knife can be used with a handle with a small width, and the program can be written a little more.

However, it is difficult for students to make forming tools. Let's not talk about custom knives.

Second, if it is in the factory. It can be installed, and a shelf can be mounted on a force frame, and the shelf is extended, and two holes are drilled on it, and each of them is also installed.

An inner hole Cao thread knife, the knife method is T0101 T0102 This is the fixture, and the master who has been doing it for decades is the best at this. (I would like to add that if the parts are large and the bed is small, this will not be possible.) ）

The second is to make a forming knife according to the part drawing.

The four-tool position should be able to hold six knives, who would buy a six-tool machine tool.

This is quite troublesome, and it can be very difficult for the first time, so here are the specific steps:

1. Remove the bulkhead and turn the worm clockwise with an Allen wrench to loosen the Qiaobu clutch disc;

<>2. Remove the aluminum cover and the cover seat, which is the top one, which is surrounded by many nuts;

3. Remove the knife pulse line, remove the small nut, and take out the signal plate;

4. Remove the big nut, check the ring, take out the key and bearing;

5. Remove the clutch disc, clutch pin (ball pin) and spring;

6. Clamp the counter-reliant pin and rotate the upper cutter body counterclockwise, and take out the upper cutter body;

7. Remove the motor cover, motor, connecting seat, bearing cover, and worm;

8. Remove the screws and take out the fixed shaft, worm gear, screw and bearing;

9. Remove the anti-support plate and protective ring;

10. Remove the outer gear ring.

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The operator stands in front of the CNC lathe, and the tool holder is located between the spindle and the operator, and if the spindle is located between the tool holder and the operator, it belongs to the rear tool holder. The front turret spindle is facing upwards when the spindle is forward, and the tip is facing down when the rear turret spindle is spinning. The programming of the front turret is the same as that of the rear turret.

How to program the four-station CNC lathe with row of tools.

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The operator stands in front of the Shusen Tongkong lathe, and the tool holder is located between the spindle and the operator belongs to the front tool holder, and if the spindle is located between the tool holder and the operator, it belongs to the Jane Hunger rear tool holder. The front turret spindle is facing upwards when the spindle is forward, and the tip is facing down when the rear turret spindle is spinning. The programming of the front turret is the same as that of the rear turret.

Programming is the same, but the distance between the tools of the row of knives is very close, you need to pay attention to the interference between the tools in programming, otherwise you will crash.

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The four-station return tool change point is x, z is a positive value, and the row of tool holders returns to the original position after the work is positive or negative?

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1.Replace the installation with a 6-station tool holder, and the center height should be appropriate. (What is the detection element of the 4-station tool holder, just choose the 6-station tool holder is also the kind of detection element, so that you don't need to change the ladder diagram too much).

2.Connect the wires according to the wiring diagram. (The signal of the fifth and sixth stations should be connected to the input address of two vacant positions on the I O board of the PLC).

3.Modify the ladder diagram to add the signals of the fifth and sixth stations.

4.Manual test run, if the phase sequence of the motor is not right, adjust the phase sequence.

Test run to check whether the command knife number is consistent with the actual knife number.

Manual test run, if the phase sequence of the motor is not right, adjust the phase sequence.

This is quite troublesome, and it can be very difficult for the first time, so here are the specific steps:

1. Remove the stuffy head and turn the worm clockwise with an Allen wrench to loosen the clutch disc;

<>2. Remove the aluminum cover and the cover seat, which is the top one, which is surrounded by many nuts;

3. Remove the knife line, remove the small nut, and take out the signal plate;

4. Remove the big nut, check the ring, take out the key and bearing;

5. Remove the clutch disc, clutch pin (ball pin) and spring;

6. Clamp the counter-reliant pin and rotate the upper cutter body counterclockwise, and take out the upper cutter body;

7. Remove the motor cover, motor, connecting seat, bearing cover, and worm;

8. Remove the screws and take out the fixed shaft, worm gear, screw and bearing;

9. Remove the anti-support plate and protective ring;

10. Remove the outer gear ring.

Removal Steps:

1. Remove the bulkhead and rotate the worm clockwise with an Allen wrench to loosen the clutch disc, and its shape and structure are shown in the figure below;

2. Remove the aluminum cover and cover seat;

3. Remove the knife line, remove the small nut, and take out the signal plate; As shown below:

4. Remove the big nut, check the ring, take out the key and bearing;

5. Remove the clutch disc, clutch pin (ball pin) and spring; As shown below:

6. Clamp the counter-reliant pin and rotate the upper cutter body counterclockwise, and take out the upper cutter body; As shown below:

7. Remove the motor cover, motor, connecting seat, bearing cover, and worm;

8. Remove the screws and take out the fixed shaft, worm gear, screw and bearing; As shown below:

9. Remove the anti-support plate and protective ring;

10. Remove the outer gear ring.

Assembly sequence: 1. Clean all parts during assembly, and grease the transmission parts;

2. Assemble in reverse order according to disassembly;

3. After the assembly is completed, rotate the motor to see if the tool holder can be easily lifted, the tool holder is indexed, the tool holder is positioned, and the tool holder is locked.

Removal Steps:

1. Remove the bulge, turn the hex wrench clockwise, and loosen the detachment plate, as shown in the figure below.

Turn left and turn right. 2. Remove the aluminum lid and lid.

3. Take out the tool position line, take out the small nut, and take out the information tray. As follows:

Turn left and turn right. 4. Remove the big nut, check the ring, remove the key, bearing.

5. Disassemble the disconnect plate, clutch pin (ball pin) and spring. As follows:

Turn left and turn right. 6. Clamp the upper cutter body and rotate counterclockwise to remove the upper cutter body. As follows:

Turn left and turn right. 7. Remove the motor cover, motor, coupling seat, bearing cover and worm.

8. Remove the screws and take out the fixed shaft, worm gear, screws and bearings. As follows:

Turn left and turn right. 9. Disassemble the counter and protect the ring.

10. Disassemble the outer ring.

Assembly sequence: 1. Clean all parts and lubricate the transmission parts.

2. Reverse assembly according to the disassembly sequence;

3. After the assembly is completed, the motor rotates to see if the tool holder can be easily lifted, the tool holder is indexed, the tool holder is positioned, and the tool holder is tightly locked. If it is not implemented, it is not assembled. It is necessary to disassemble the worm, transposition sleeve, ball pin, tool holder body, dowel pin, etc.

Extended Materials. The internal structure of the tool holder is similar, but the appearance of the four positions is similar to that of the general tool holder, and the six positions are brick tower structures, with slightly larger capacity and more content for clamping processing. When the six-position is a large-size part, the adjacent tool position tools may interfere, the four-position is no problem, and the six-position is more expensive than the four-position. Let's take that into account.

Look at this and you'll understand.

The electrical aspect of the CNC lathe tool holder is very simple. An ordinary motor. Some Hall elements (for detecting tool positions) and some limit switches, not to mention the mechanical aspects, I don't know much about machinery. Electrical post-processing is carried out via PLC.

I haven't touched it myself or haven't seen how to dismantle it, so I don't recommend dismantling it.

Find someone who understands how to remove it and write it down in order or take a picture to write it down.

Or you'll regret it.

A good lathe and turning tool center height are suitable, and it should be noted that:

1.The tip of the knife should be moderately protruded. It can't be too long and not too short. Too long will reduce the strength of the shank, and too short may cause interference.

2.The installation tool should be stable and not too tight, and long-term installation too tight may damage the thread on the tool holder.

3.When installing the tool, the tool position should be combined with the processing technology, and the sequence of the tool should be reasonably arranged according to the process, so as to reduce the time spent on tool change.

4.Interference between the various tool positions should be eliminated one by one, with special attention to drills, boring tools and internal thread cutters.

Ordinary CNC milling machine (without tool magazine) can only be loaded with 1 tool, and special CNC milling machine can be loaded with multiple knives, such as multi-axis gantry CNC milling machine can be loaded with multiple knives according to the number of axes.

CNC milling machine is an automatic processing equipment developed on the basis of ordinary milling machine, the processing technology of the two is basically the same, and the structure is somewhat similar. CNC milling machines are divided into two categories: without tool magazine and with tool magazine, CNC milling machine with tool magazine is generally called CNC machining center.

The main difference is not a problem with the magazine. Of course, the textbook says that the milling machine does not come with a tool magazine.

The difference in the processing function, the machining center is mainly a comprehensive ability, that is, milling, drilling, tapping, boring have a certain ability.

CNC milling, on the other hand, is mainly functional in milling and focusing on milling. Of course, it can also drill, attack and boring without a tool magazine, so you can only change the tool manually.

You can do whatever you want to the knife.

The spindle of the test cutting tool is rotated. However, the general milling plus no one uses any system of trial cutting to set the tool, and the instructions of the machining center and the milling machine are the same, and the difference is the tool magazine problem (which is said in the textbook).

In practice, many high-end CNC milling is with a tool magazine. And the knife magazine is still very large.