DWX-4W Support

The following equipment is required. 
Windows PC / 3D scanner / CAM software / milling tools / material  / compressor

No, it is not included.

CAD/CAM software can be purchased through our partner companies.

You can create milling data by using CAM software. For information on how to use the software and/or DWX-4W settings, please contact to your local dealer.  

The DWX-4W is made in Japan. DWX-4W is registered as a general medical device.
Registration number:  22B3X10006000060

Compressor

• Air Pressure: 0.7 to 1.0 MPa
• Air Capacity: 114L/min or more
• Contamination of the compressed air by foreign material is undesirable. Use an oil-free compressor.
• Moist air may cause rust. Use a device equipped with a dryer.
• Stable pressure is required. Select a source that has an adequate tank capacity.
• A hose (outer diameter: 6 mm (polyurethane tube)) is required.

Japanese, English, and Chinese (simplified Chinese characters and traditional Chinese characters) correspond.  For the language not supported, English will be displayed.

Duration tests have proved that the unit is capable of this.
Make sure to comply with the installation environment as below.

Hardware Requirement: Indoor Use, altitude: up to 2000 m
Temperature: 5 to 28 °C (41 to 82 °F)
Relative Humidity: 35 to 80 % (no condensation)
Ambient Pollution Degree: 2 (as specified by IEC 60664-1)

Please click here to find out where to buy. 

External Dimensions: 480 (W) x 538 (D) x 599 (H) mm
Weight: 53kg
The following amount of space is required as a minimum for the installation.
InstallationSpace:  0.6 x 1.0 m 
Work Space:  1.1 x 1.5 m 

You can attach standard block material to the DWX-4W as shown below.

You can mill dental prosthetic ceramics such as glass ceramics or composite resins.
*Workability is subject to the physical properties of the material. Please contact your dealer or the material manufacturers for details.

No you can't.

You cannot attach disk material to the DWX-4W.

Operating System: Windows 7/8/8.1/10 (32,64-bit edition)
CPU: The minimum required CPU for the operating system
Memory: The minimum amount of required RAM for the operating system
Optical Drive: CD-ROM drive
Video Card and Monitor: At least 256 colors with a resolution of 1,024 x 768 or more recommended
* For the latest information, see the Products website. 

RML-1 and NC code 
* The milling data created by supported CAM software can be used. 

VPanel and Windows driver are bundled. VPanel is a program to operate the DWX-4W on your computer screen. It has functions to output milling data, perform maintenance, and make various corrections. In addition, it displays error messages of DWX-4W. Windows driver is a program to control the milling machine through your PC.

CAM software is developed by our partner companies. Please find details in the dental partner page. 

The DWX-4W is compatible with the NC code (G code).
* The NC code (G code) commands created by supported CAM software can be used.

It is possible if you send a drilling command from your CAM software.

No, please use the ZGB-D milling burrs.

USB connection (compliant with Revision 1.1). A USB cable is included. The USB3.0 cable cannot be used.
The use of USB hubs are not supported. If a USB hub is used, there is a possibility that the machine will not function.

The cable included is 3.0 meters long. It is recommended to use the bundled cable for the DWX-4W.

The machine makes an emergency stop as a safety measure, where the milling is suspended.

Yes, you can.
* The sending of e-mails may be blocked according to settings of the security software, etc.

If e-mails cannot be sent, check the settings of the security software used as anti-virus software.
* Please consult with your network administrator for details on e-mail settings.
* VPanel does not support TLS connections (STARTTLS).
 

Yes, the DWX-4W is capable of milling glass ceramic blocks, when used with the following items. For more details, please contact our local resellers.

• Milling burs: ZGB-D
• CAM templates for glass ceramic blocks

The milling time for one block when using the genuine ZGB-D tool is shown below.
* Please note that the data is a rough indication and the actual time varies depending on the CAM settings

The ZGB-D series milling burs can be purchased from our local resellers.

The rough indication is around 30 units per burr. This is subject to the physical properties of the block, the shape of prosthetics and the CAM software.

The lifetime of the ZGB-D series milling burs can be monitored by using the "Tool Management" function of the VPanel. The average lifetimes for the tools when milling glass ceramics are 15 hours. Please refer to the User's Manual for more details.

Yes, the DWX-4W is capable of machining composite resin blocks, when used with the following items. For more details, please contact our local resellers.

• Milling Burs: ZGB-D
• CAM templates for composite resin blocks

All composite resin blocks that are attachable to the DWX series can be milled. (as for August 2015)

The milling time for one block when using the genuine ZGB-D tool is shown below.
* Please note that the data is a rough indication and the actual time varies depending on the CAM settings

The rough indication is around 50 units per burr. This is subject to the physical properties of the block, the shape of prosthetics and the CAM software.

The lifetime of the ZGB-D series milling burs can be monitored by using the "Tool Management" function of the VPanel. The average lifetimes for the tools when milling composite resin blocks are 25 hours. Please refer to the User's Manual for more details.

Is the front cover open?
Keep the front cover closed during startup. For safety, initialization is not performed when the cover is open at startup.

Is anything caught on the spindle unit or rotary axis unit?
Temporarily turn the power off, and then check whether something has become caught and is impeding initialization. After you remove the obstruction, turn on the machine.

Is the milling bur caught on anything?
The milling bur attached to the spindle unit may fail to perform initialization if it is caught on the workpiece or rotary axis unit. Try to detach the milling bur using the emergency release function in VPanel.

Is the front cover open?
This machine restricts some operations when the front cover is open. Close the front cover.

Are you wearing gloves?
The built-in panel's operation button will not respond if you are wearing gloves. Operate the button with a bare hand.

Is the cable connected? Make sure that the cables are connected.

• "Setup Guide" ("Connecting the Cables")

Is the driver installed correctly? If the connection to the computer is not made in the procedure described, the driver may fail to install correctly. VPanel will not function normally if the driver is not configured correctly. Check again to ensure that the connection was made using the correct procedure.

Was the procedure for connecting multiple machines or for changing the ID of any machine performed correctly? There is a possibility that the connection procedure was performed incorrectly. Make sure that connections were performed correctly. When changing a machine's ID, remember that it is necessary to restart both the machine and VPanel. "Setup Guide" ("Connecting Multiple Units")

Is the front cover open?
If the front cover is open, the machine will not start milling even if milling data is being received. Close all the covers, and then press the built-in panel's operation button to start milling.

Does VPanel recognize the machine?
Verify that a message other than "Offline" ("OFF" display) is shown on VPanel.
If "Offline" (OFF) is displayed on VPanel regardless of the machine being on, check the cable connections and similar items.

If multiple machines are connected, is the correct machine selected?
Select the machine to output milling data to on the VPanel screen.

Is operation paused?
Operation is paused if the PAUSE LED is lit. When the machine is paused, milling stops and some operations are restricted. Quickly pressing the built-in panel's operation button of the machine will cancel the pause. Pressing and holding on the operation button will abort milling.

Is initialization or a data cancel in progress?
Milling data received during initialization or a data cancel will be canceled. Make sure to output milling data after confirming that "READY" is displayed for the machine's operation status in the VPanel top window.

Is the milling data correct?
There may be problems in the milling data parameters. Check the milling data.

Has an error occurred?
The error LED will flash if an error occurs. A description of the error is displayed in VPanel.

Are machines with the same ID connected to the computer at the same time? Connecting more than one machine with the same ID to a computer at the same time may cause the computer to shut down. If the computer shuts down, turn off the power of all connected machines, and then disconnect the USB cables from the computer. Restart the computer, and then start VPanel. If VPanel will not start, reinstall it. After that, configure the settings so that no machines are assigned the same ID.

• "Setup Guide" ("Connecting Multiple Units")

Is the power switched on?  Compressed air is not supplied when the power is off. 

Is the regulator properly connected and the pressure settings correctly configured? Check the connection. If there are no connection problems, check whether the regulator scale indicates zero. If the set pressure of the regulator is zero, compressed air will not be supplied.

• "Setup Guide" ("Preparing the Regulator")

Is the air supply hose bent or flattened? If the hose is bent or flattened, straighten it to enable the flow of compressed air.

Is the automatic correction jig or detection pin dirty?
Clean away any grime on the automatic correction jig, the detection pin, or the milling bur sensor tip (the side that is in contact with the milling bur). Fouling due to the buildup of milling waste or the like on any of these may impede correct sensor operation, making correct detection impossible.

Is the automatic correction jig properly attached?
Verify that the automatic correction jig is properly attached.

Was the machine name (printer name) changed?
Milling bur info is saved per machine name (printer name). Before changing the machine name (printer name), make sure to record the milling bur info separately. Milling bur info can be recovered by returning the machine name (printer name) to the original name.

Is the message "1039-0000 The pressure of the compressed air is too high or low." displayed on VPanel? If you take too long to perform the collet maintenance, the supply of compressed air will become insufficient, and it will no longer be possible to continue the collet maintenance. Follow the procedure below to perform the maintenance again.

1. Turn off the machine's power.
2. Supply the appropriate amount of compressed air. User's Manual "Preparing Compressed Air (Setting the Regulator)"
3. Open the front cover.
4. Turn on the power.
5. Click [OK] in the message window displayed on VPanel to clear the message.
6. In VPanel, click the [Maintenance] tab, and then click [Emergency release].
7. Click [OK] in the message window displayed.
8. The collet is open, so use the collet replacement jig and the collet tap to close the collet.
9. Close the front cover. When the machine stops operating and the status light turns on in blue, the machine is in the ready status.
10. Perform the collet maintenance again.

Is anything caught on the spindle unit or rotary axis unit? Check whether something has become caught and is impeding initialization.

If the waterproof plate is not attached properly, water may leak. Check the installation of the waterproof plate. For information on how to attach the waterproof plate, refer to the "Setup Guide" or the page listed to the right ("Cleaning the Waterproof Plate").

Is the workpiece firmly secured in place?
Check the mounting condition of the workpiece. Fasten the workpiece in place securely so that it will not slip out of place or come loose because of milling bur pressure or vibration during milling.

Is the milling bur worn?
If the same milling bur is used for milling for a long period of time, it will become worn and affect milling results. Try replacing the milling bur with a new one. The work time of the milling bur can also be managed in VPanel.

Are the milling conditions too strict?
Strict milling conditions may affect milling results. Review the CAM milling conditions.

Is the machine out of correction?
The origin point may become out of position due to prolonged use or relocating the machine, which can result in a line of level difference. Perform automatic correction. If expected results cannot be obtained even after performing automatic correction, perform manual correction. With manual correction, changing the Y value under Origin point may improve the situation.

Is the machine out of correction?
The origin point may become out of position due to prolonged use or relocating the machine, which can result in a line of level difference. Perform automatic correction. If expected results cannot be obtained even after performing automatic correction, perform manual correction. With manual correction, changing the Y value under Origin point may improve the situation.

Are the CAM milling conditions correct?
Incorrect CAM milling settings may lead to the line of level differences. Review the CAM milling conditions.

Does the milling bur diameter match the CAM settings?
Check the CAM settings. 

Does the set temperature of the sintering program match the workpiece?
Check the set temperature of the sintering program to see if it matches the workpiece of the manufacturer used.

Is the installation base of the machine secure?
The vibration from cutting can shake the installation base. 

Is the workpiece firmly secured in place?
Check the mounting condition of the workpiece. Fasten the workpiece in place securely so that it will not slip out of place or come loose because of milling bur pressure or vibration during milling.

Is the milling bur worn?
If the same milling bur is used for milling for a long period of time, it will become worn and affect milling results. Try replacing the milling bur with a new one. The work time of the milling bur can also be managed in VPanel.

Is the collet deformed?
The collet may be deformed if the tip of the spindle strikes the rotary axis, etc., or if the spindle is locked. Replace the collet if it is deformed.

Is the thickness specified in the milling data excessively thin?
If the specified finish thickness of workpieces is excessively thin, chipping is likely to occur. Check the shape specified in the milling data.

Are the milling conditions too strict?
Strict milling conditions may affect milling results. Review the CAM milling conditions.

Does the milling bur diameter match the CAM settings?
Check the CAM milling bur settings. 

Is the machine out of correction?
The origin point may become out of position due to prolonged use or relocating the machine, which can affect milling results. Perform automatic correction. If expected results cannot be obtained even after performing automatic correction, perform manual correction. With manual correction, changing the Z value in the + direction in Origin point may improve the situation.

Are the milling conditions too strict?
Strict milling conditions may affect milling results. Review the CAM milling conditions.

Is the thickness specified in the milling data excessively thin?
The finish thickness of milled products needs to be 0.8 mm or more. Check the thickness specified in the milling data.

Operation may be inhibited by milling waste or an obstruction.

1. Turn off the power.
2. Remove any objects blocking operation of the machine and any accumulated milling waste.
3. Turn on the power, and then restart operation.

The motor position may have been lost.

1. Remove any objects blocking operation of the machine and any accumulated milling waste.
2. Press and hold the operation button on the built-in panel. This will clear the error.

The milling conditions may be excessively strict.

1. Review the CAM settings and the shape specified in the milling data.
2. Press and hold the operation button on the built-in panel. This will clear the error.

The front cover was opened during spindle rotation. (For safety, the machine comes to an emergency stop if the front cover is opened while the spindle is rotating.)

1. Turn off the power.
2. Close the front cover.
3. Turn on the power.

The returning of the milling bur failed. The cause may be dirt inside the collet or on the ATC magazine or damage or deformation of the collet.  The collet and milling bur are affixed together and cannot be separated. The cause may be dirt inside the collet or damage or deformation of the collet.

1. Follow the messages displayed in VPanel to forcibly release the milling bur.
2.  If the bur is difficult to remove because the connection portion is stuck, shake the milling bur to the left and right while pulling downward.
3. Perform collet maintenance. Carefully clean the inside of the collet. User's Manual "STEP 0: Spindle Run-In (Short)"
4. Clean the ATC magazine. User's Manual  "Cleaning after Milling Finishes" If the error occurs again even after you perform the above operations, the collet may be deformed.
5. In this case, replace the collet. Perform automatic correction after the replacement. User's Manual  "Milling Machine Correction"

There is a possibility that the spindle unit is defective. If the error occurs again even after you replace the collet, replace the spindle unit. After you replace the spindle unit, correct the milling machine.

• User's Manual "Replacing the Spindle Unit", User's Manual "Milling Machine Correction"

The milling bur might be broken. The milling bur might be out of position. The inside of the collet might be dirty.

1. Press and hold the button on the machine to clear the error.
2. If the milling bur is broken or if it is out of position, replace it with a new milling bur.
3. The milling conditions may be excessively strict, so review them.
4. If the error occurs even after you review the milling conditions, perform collet maintenance. Carefully clean the inside of the collet. User's Manual "STEP 0: Spindle Run-In (Short)"

The collet may have worn out. If the error occurs again even after you perform the above operations, the collet may have worn out, leading to a decrease in its retention capabilities. Replace the collet with a new one. After you replace the collet, correct the milling machine.

• User's Manual "Replacing the Collet", "Milling Machine Correction"

The milling bur holder might be out of position. The milling bur might have been shortened due to wear The inside of the collet might be dirty.

1. Follow the messages displayed in VPanel to forcibly release the milling bur.
2. If the milling bur has been shortened due to wear or if the holder is out of position, replace the milling bur.
3. The milling conditions may be excessively strict, so review them.
4. If the error occurs even after you review the milling conditions, perform collet maintenance. Carefully clean the inside of the collet. User's Manual "STEP 0: Spindle Run-In (Short)"

The collet may have worn out. If the error occurs again even after you perform the above operations, the collet may have worn out. Replace the collet with a new one. After you replace the collet, correct the milling machine.

• User's Manual "Replacing the Collet", "Milling Machine Correction"

The milling bur in use might not be a dedicated product.

1. Set the correct milling bur in the stocker.
2. If the error occurred during milling. Close the front cover, and press the built-in panel's operation button. Resume milling. 

If the error occurred outside of milling: Close the front cover and then press and hold the built-in panel's operation button. This will clear the error.

The milling bur holder might be out of position.

1. Replace the milling bur with a new one.
2.  If the error occurred during milling: Close the front cover, and press the built-in panel's operation button. Resume milling.

If the error occurred outside of milling: Close the front cover and then press and hold the built-in panel's operation button. This will clear the error.  

The milling bur has not been set or it may have been mounted on an incorrect stocker number.

1. Set the milling bur in the correct position.
2. If the error occurred during milling: Close the front cover, and press the built-in panel's operation button. Resume milling.

If the error occurred outside of milling: Close the front cover and then press and hold the built-in panel's operation button. This will clear the error.

The ATC magazine or the milling bur might be dirty.

1. Clean the ATC magazine and the milling bur. User's Manual "Cleaning after Milling Finishes"
2. If the error occurred during milling: Close the front cover, and press the built-in panel's operation button. Resume milling. If the error occurred outside of milling: Close the front cover and then press and hold the built-in panel's operation button. This will clear the error.

There is a possibility that the ATC magazine is out of position. If the error occurs again even after you perform the above operations, contact your authorized Roland DG Corporation dealer.

There is a possibility that the spindle unit is defective. If the error occurs again even after you perform the above operations, replace the spindle unit with a new one. After you replace the spindle unit, correct the milling machine.

• User's Manual "Replacing the Spindle Unit",  "Milling Machine Correction"

There may be a problem with the milling data received from the computer. Alternatively, the data transfer may have failed due to the computer being under a high load.

1. Press and hold the operation button on the built-in panel. This will clear the error.
2. Check the milling data.

If there are no problems with the milling data

1. Exit any unnecessary programs.
2. Restart the computer, and then perform milling again.  

The spindle stopped under a large milling load or other causes. The following are likely reasons.

• The milling bur is worn.
• A workpiece that cannot be milled by the machine is being used.
• The milling conditions are too strict.
• The spindle is defective.

1. Turn off the power.
2. Check the milling bur, the workpiece, and the CAM settings as well as the shape specified in the milling data.
3. Allow the machine to rest for some time before turning the power on because the motor may have overheated.

If there are no problems with the milling bur, workpiece, or milling conditions, the spindle unit may be defective. Replace the spindle unit with a new one. After you replace the spindle unit, correct the milling machine. User's Manual "Replacing the Spindle Unit", User's Manual "Milling Machine Correction"  

The cable may be broken or the spindle unit may be defective.
Turn off the power and contact your authorized Roland DG Corporation dealer.
 

There is a problem with the specified milling bur details in the milling data.

1. Press and hold the operation button on the built-in panel. This will clear the error.
2. Check the milling data.  

It is possible that the compressed air is not being supplied or that the regulator settings have been incorrectly configured. If the error occurred during milling

1. Adjust the compressor or the regulator so that compressed air with the appropriate pressure (0.6 MPa to 0.8 MPa) can be supplied. User's Manual "Preparing Compressed Air (Setting the Regulator)"
2. Close the front cover, and press the built-in panel's operation button. Resume milling.

If the error occurred during collet maintenance

• User's Manual "Collet Maintenance Cannot Continue Due to an Error Occurring"

If the error occurred in any other situations

1. Adjust the compressor or the regulator so that compressed air with the appropriate pressure (0.6 MPa to 0.8 MPa) can be supplied. User's Manual "Preparing Compressed Air (Setting the Regulator)"
2. Close the front cover, and then press and hold the built-in panel's operation button. This will clear the error.

Even though the compressed air is set to the appropriate pressure (0.6 MPa to 0.8 MPa), if an error message is displayed, the pressure might have decreased temporarily.

1. Increase the pressure slightly from the current setting. Increase the pressure in increments of about 0.05 MPa, and set the pressure to a value where no error is generated.
2. However, make sure that the setting does not exceed 0.8 MPa. Setting a pressure higher than 0.8 MPa may cause a malfunction.
3. Close the front cover, and then press and hold the built-in panel's operation button. The error can now be cleared.

The regulator or other parts may be defective. If the error occurs again even after you perform the above operations, contact your authorized Roland DG Corporation dealer.  

There may be no coolant in the tank. There may not be enough coolant in the tank.

1. Supply the appropriate amount of coolant. User's Manual "Filling the Coolant Tank/Replacing the Coolant"

If the error occurred during milling: Press the built-in panel's operation button. Resume milling.

If the error occurred outside of milling: Press and hold the built-in panel's operation button. This will clear the error. If the error occurs again even after you perform the above operations, replace all the coolant.

The filter or the lines may be clogged. Clean the inside of the coolant tank. If the filter is dirty, replace it.

• User's Manual "Replacing the Coolant Tank Filter"

The coolant pump or sensor may be defective. If the error occurs again even after you perform the above operations, turn off the power and contact your authorized Roland DG Corporation dealer.

The coolant tank may have been removed during machine operation.

1. Correctly attach the coolant tank. You have to push the coolant tank until you feel it click into place.
2. If the error occurred during milling: Press the built-in panel's operation button. Resume milling.
3. If the error occurred outside of milling: Press and hold the built-in panel's operation button.

Automatic correction may not have been performed. Automatic correction may have been canceled before it could finish. Automatic correction may not have been performed after updating the firmware to a version that required automatic correction to be performed again.

1. Press and hold the operation button on the built-in panel. This will clear the error.
2. Perform automatic correction. User's Manual "Milling Machine Correction"

The versions of VPanel and the machine's firmware may not match. Download the latest versions of VPanel and the machine's firmware from our Support website, and then install these versions.  

Fluid may be leaking inside the machine.
Turn off the power and unplug the power cable. After that, contact your authorized Roland DG Corporation dealer.

 You can download them from our Support website.

The additive and the filter for the coolant tank are replaceable parts.

We recommend adding water/coolant in the following frequency: Adding water: When the water level in the tank has reached the lower limit Replacing the coolant: Once a week, or at every 15 hours of usage Please refer to "How to add water/coolant to the coolant tank" for details.

We recommend replacing the filter for the coolant tank in the following frequency:

• Whenever the filter is dirty
• Once a month (depending on the usage)

• Tools: The tool(s) you set on the ATC magazine must be the same as the one(s) you configured in your CAM software.
• Material: The size/ thickness of the material you set on the machine must be the same as the one you configured in your CAM software.
• Stabilizing the material:  The cap must be tightened firmly.
• Compressor: Required amount of compressed air must be supplied.

After a days work, clean the inside of the machine with a dry cloth. Pay extra attention to the spindle head and the rotary axes as if the water or debris remains left after the milling, it may affect the outcome of the quality of the milling.

Make sure to thoroughly clean the detection pin and the detection areas, as shown in red in the following image, before running the program. 
*Keep the detection pin in the bundled case when not in use.

Glass Ceramics: 15 hours
Composite Resin: 25 hours
You can track the lifetimes of your tools using the Vpanel.
*This is a referential value when using one tool each for roughing and finishing. The replacement cycle varies according to usage conditions.