Roland DWX-51D User manual

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Operation Screen
1
2Milling
3Maintenance
4Troubleshooting
User's Manual

2
Contents
Contents......................................................................................................................................2
1. Operation Screen...........................................................................................................................4
Displaying or Exiting VPanel ......................................................................................................5
What is VPanel? .............................................................................................................................................................................. 5
Displaying VPanel.......................................................................................................................................................................... 5
VPanel Display in the Task Tray................................................................................................................................................. 6
Exiting VPanel ................................................................................................................................................................................. 6
VPanel Window and Functions ...................................................................................................7
Top Window..................................................................................................................................................................................... 7
"Settings" Tab.................................................................................................................................................................................. 8
"Maintenance" Tab ........................................................................................................................................................................ 9
"Mail" Tab........................................................................................................................................................................................10
"Manual correction" Dialog Box.............................................................................................................................................11
"Milling bur management" Dialog Box................................................................................................................................12
"Milling bur registration" Dialog Box....................................................................................................................................13
"Stocker settings" Dialog Box..................................................................................................................................................14
"Cleaning tool" Dialog Box.......................................................................................................................................................15
2. Milling............................................................................................................................................16
Using / Reading the Built-In Panel ............................................................................................17
Using / Reading the Built-In Panel.........................................................................................................................................17
Statuses Indicated by Status Light Color ............................................................................................................................17
Switching the Power On or Off.................................................................................................. 18
Switching the Power On ...........................................................................................................................................................18
Switching the Power O ...........................................................................................................................................................18
Preparing for Milling ..................................................................................................................19
Preparing a Workpiece (Usable Workpieces).....................................................................................................................19
Preparing a Milling Bur (Usable Milling Burs)...................................................................................................................19
Preparing Compressed Air (Setting the Regulator).........................................................................................................19
Starting Milling...........................................................................................................................20
STEP 1: Mounting the Clamp to the Workpiece ...............................................................................................................20
STEP 2: Attaching the Milling Bur ..........................................................................................................................................26
STEP 3: Outputting Milling Data ............................................................................................................................................27
STEP4: The workpiece from the clamp ................................................................................................................................29
Automatically Switching Out the Worn Milling Bur (Intelligent Tool Control) ......................................................30
Aborting Output..........................................................................................................................................................................31
Removing Milling Data in Standby from the Output List .............................................................................................31
3. Maintenance .................................................................................................................................32
Maintenance Precautions..........................................................................................................33
Maintenance Precautions.........................................................................................................................................................33
Daily Maintenance ....................................................................................................................34
Cleaning after Milling Finishes ...............................................................................................................................................34
Periodic Maintenance................................................................................................................36
Situations Requiring Maintenance........................................................................................................................................36
Replacing Consumable Parts ..................................................................................................................................................36
Running In the Spindle (Warm-up).......................................................................................................................................37
Correcting the Milling Machine .............................................................................................................................................38
Care and Storage of Detection Pin and Automatic Correction Jig ............................................................................41
Retightening the Collet.............................................................................................................................................................41
Care of the Regulator................................................................................................................................................................44
4. Troubleshooting........................................................................................................................... 46
Machine Trouble........................................................................................................................ 47
Initialization is Not Performed or Initialization Fails .......................................................................................................47
The Operation Button Does Not Respond .........................................................................................................................47

Contents
3
Company names and product names are trademarks or registered trademarks of their respective holders.
Copyright © 2015-2016 Roland DG Corporation
http://www.rolanddg.com/
Roland DG Corporation has licensed the MMP technology from the TPL Group.
VPanel Does Not Recognize the Machine ..........................................................................................................................47
No Data is Being Output to the Machine, or the Machine will Not Operate Even Though Data is Being Output .....48
The Computer Shuts Down when Connecting Multiple Machines ..........................................................................48
The Spindle Does not Rotate...................................................................................................................................................48
The Ionizer is Ineective (Milling Waste Collects Around the Milling Area)...........................................................49
Compressed Air Does Not Come Out...................................................................................................................................49
Automatic Correction Fails.......................................................................................................................................................49
The Milling Bur Management Information was Lost ......................................................................................................50
Milling Quality Problems............................................................................................................51
The Milled Surface is Not Attractive .....................................................................................................................................51
There is a Line of Level Dierence in the Milling Results ..............................................................................................51
Chipping (Edges of Milling Products Become Chipped) Occurs................................................................................51
A Hole Opens in the Milling Results .....................................................................................................................................52
The Dimensions of the Milling Results Do Not Match ...................................................................................................53
Installation Trouble ...................................................................................................................54
Installing the Driver Separately..............................................................................................................................................54
Installing the Softwear and the Electronic Manual Separately...................................................................................56
Driver Installation Is Impossible.............................................................................................................................................57
Uninstalling the Driver ..............................................................................................................................................................58
Uninstalling VPanel.....................................................................................................................................................................59
Responding to Error Messages.................................................................................................60
Thank you very much for purchasing this product.
 To ensure correct and safe usage with a full understanding of this product's performance, please be sure
to read through this manual completely and store it in a safe location.
 Unauthorized copying or transferal, in whole or in part, of this manual is prohibited.
 The contents of this operation manual and the specications of this product are subject to change without
notice.
 The operation manual and the product have been prepared and tested as much as possible. If you nd any
misprint or error, please inform us.
 Roland DG Corp. assumes no responsibility for any direct or indirect loss or damage which may occur through
use of this product, regardless of any failure to perform on the part of this product.
 Roland DG Corp. assumes no responsibility for any direct or indirect loss or damage which may occur with
respect to any article made using this product.

4
1. Operation Screen
Displaying or Exiting VPanel .....................................5
What is VPanel? ..............................................................................5
Displaying VPanel............................................................................5
VPanel Display in the Task Tray ......................................................6
Exiting VPanel .................................................................................6
VPanel Window and Functions ..................................7
Top Window .....................................................................................7
"Settings" Tab ..................................................................................8
"Maintenance" Tab........................................................................... 9
"Mail" Tab....................................................................................... 10
"Manual correction" Dialog Box ..................................................... 11
"Milling bur management" Dialog Box ...........................................12
"Milling bur registration" Dialog Box............................................... 13
"Stocker settings" Dialog Box ........................................................14
"Cleaning tool" Dialog Box.............................................................15

5
1. Operation Screen
Displaying or Exiting VPanel
What is VPanel?
VPanel is an application that allows milling machine
operation on a computer screen. It has functions for
outputting milling data, performing maintenance,
and making various corrections. The milling ma-
chine status and errors can also be displayed.
"Setup Guide" ("Installing the Software")
Displaying VPanel
Click (VPanel icon) in the task tray on the
desktop.
The top window of VPanel will appear. If you cannot nd
in the task tray, start the program from the Windows
[Start] screen (or the [Start] menu).
Starting from the Windows [Start] screen (or [Start] menu)
Windows 10,7
From the [Start] menu, click [All Apps] (or [All Programs]) then [Roland DWX-51D]. Then click
[VPanel for DWX-51D].
Windows 8.1
Click on the [Start] screen, and from the Apps screen, click the [VPanel for DWX-51D] icon
under [Roland DWX-51D].
VPanel serves as resident software.
VPanel works as resident software that is constantly working to manage the milling machine, send e-mails*, and so
on. It is recommended to congure the settings so that VPanel starts automatically when the computer starts. (P.
8""Settings" Tab")In addition, clicking in the upper right of the top window will minimize the window to the task
tray. The window will disappear from the screen, but the program will not be exited. While VPanel is running, is
constantly displayed in the task tray.
*E-mails are sent to notify of milling completion or errors that occur. (P. 10""Mail" Tab")

Displaying or Exiting VPanel
6
1. Operation Screen
VPanel Display in the Task Tray
When the VPanel icon is displayed in the task tray, the status of a connected milling machine is always monitored. The display
of the VPanel icon changes depending on the status of the milling machine. The meanings of the displays are shown below.
Indicates that at least one of the connected milling machines is on (is online).
Indicates that all the connected milling machines are o.
Indicates that an error has occurred on at least one of the connected milling machines.
If you hover the mouse pointer over this icon, you can check which machine has the error.
Messages are displayed automatically if an error occurs, during milling, and in similar situa-
tions. Even after the message disappears, if you hover the mouse pointer over this icon, the
status of each connected machine (such as Ready, Milling, Finished, Completed, or Oine)
will be displayed.
Messages prompting you to perform maintenance (such as "Spindle run-in required") will
also be displayed. In these situations, perform the maintenance work indicated by the mes-
sage.
Exiting VPanel
Right-click on in the task tray and click [Exit].

7
1. Operation Screen
VPanel Window and Functions
Top Window
The top window displays the statuses of connected milling machines and an output list of milling data. Output of milling
data can also be executed in this window.
No. Display Explanation
Machine operation status
: Milling data can be received.
: The power of the milling machine is o.
: Operation is in progress.
: An error has occurred.
: Operation is paused.
: The front cover is open.
: Milling is complete. (Will change to READY if the front cover
is closed.)
Name of connected machine
Displays the ID and name of the connected machine. The ID of machines
with the power turned o are shown with [-].
If you click the name of a connected milling machine, the status light of the
milling machine will ash. This allows verication of a connected machine
when multiple machines are connected.
Remaining time graph The estimated milling time and a progress bar are displayed.
Milling bur work time
Displays the name of the tool selected in "Tool management," the current
work time, and the time when it must be replaced.
For example, "00h01m/06h00m" indicates that "00h01m" is the work time
and "06h00m" is the replacement time of the tool.
Milling machine status
Displays the operation status, spindle speed, milling time, etc.The informa-
tion displayed is for the machine that has the radio button to the left of the
name selected.
Output list Displays the data being milled, the milling data in standby, and the milling
progress.
Output a le Outputs milling data.
P. 27"STEP 3: Outputting Milling Data"
Cancel Cancels output of milling dataCancels output of milling data and other
functions.
Milling bur management Allows for registration and selection of milling burs.
P. 12""Milling bur management" Dialog Box"
Settings Displays the SETTINGS window.
P. 8""Settings" Tab", P. 9""Maintenance" Tab", P. 10""Mail" Tab"

VPanel Window and Functions
8
1. Operation Screen
"Settings" Tab
In this tab, you can congure settings related to VPanel auto-startup and NC codes. When more than one machine is con-
nected, the machine selected in the top window becomes the target for the setting.
Display Explanation
NC code with
decimal point
Select the how to interpret numbers in NC codes.With "Conventional," the unit is interpreted as
millimeter (or inch) when there is a decimal point, and as 1/1000 millimeter (or 1/10000 inch)
when there is no decimal point. With "Calculator," the unit is always interpreted as millimeter
(or inch) regardless of whether there is a decimal point. Select the scope of the application
when selecting "Calculator." Select an appropriate setting according to your CAM or NC code.
Initial setting: Conventional
Machine ID
When multiple machines are connected to one computer, it's necessary to set IDs for the ma-
chines. Select the machine to use in the VPanel top window.
Initial setting: A
"Setup Guide" ("Connecting Multiple Units")
Important
To change an ID, be sure to follow the procedure explained in the "Setup Guide."
Run VPanel at
PC start-up
When this is checked, VPanel will start automatically when Windows starts up, and the VPanel
icon will be displayed in the task tray.
Initial setting: Checked
Version
VPanel: VPanel version
Firmware: Connected machine's rmware version
When more than one machine is connected, information for the machine selected in the top
window is displayed.
Override
You can adjust the milling speed and the spindle speed. This is useful when you want to change
the milling speed, etc., on the y while monitoring the milling status. Overrides are specied in
percentages. For example, if the milling data command sent from the computer is 10,000 rpm,
setting the override to 150% will cause the rotation speed to be 15,000 rpm.
Milling speed
Allows adjustment of the milling bur movement speed when milling the workpiece. If the speed
specied by the command in the milling data is taken to be 100%, inputting a large value will
result in faster speeds, and a small value in slower speeds.
Spindle speed
You can adjust the spindle speed during milling. If the rotation specied by the command in
the milling data is taken to be 100%, inputting a large value will result in an increased rotation,
and a small value in a decreased rotation.
The override will return to 100% when the milling machine is turned OFF.
In the top window, the spindle speed is shown as the speed specied by the milling data
command and not the speed after the override.
Setting an override does not let you perform operations beyond the machine's maximum
or minimum speeds (rotation speeds).
Click to display the special
website in your Internet
browser.

VPanel Window and Functions
1. Operation Screen
9
"Maintenance" Tab
In this tab, you can perform operations related to maintenance, including automatic correction of the milling machine and
system reporting. When more than one machine is connected, the machine selected in the top window becomes the target
for the operations.
Display Explanation
Correction Correct the ATC magazine position or the rotary axis position. You can usually use "Automatic
correction."
P. 38"Correcting the Milling Machine"
P. 11""Manual correction" Dialog Box"
Cleaning Tool This function is used for cleaning. Push this button to open the Cleaning tool dialog box.
P. 15""Cleaning tool" Dialog Box"
ATC Perform tests, maintenance, and other tasks related to operation with the ATC magazine. The
"Emergency release" button is enabled when the power is turned on while the front cover is
open. Use this function if initialization cannot be performed because, for example, the milling
bur is caught on the workpiece.
P. 36"Situations Requiring Maintenance"
P. 41"Care and Storage of Detection Pin and Automatic Correction Jig"
Spindle This function is used for long-term spindle management. "Work time" displays the work time of
the spindle. After replacing the spindle unit, click "Reset" to reset the value to 0.
P. 36"Replacing Consumable Parts"
P. 38"Correcting the Milling Machine"
Report Displays system reports (including rmware version and total operating hours) and error logs.
Pressing the "Save le" button will collect the machine’s log information and save it to a le.

VPanel Window and Functions
10
1. Operation Screen
"Mail" Tab
Settings in this tab can be congured so that a notication e-mail is sent when milling nishes, when an error occurs, or
when maintenance is complete. When more than one machine is connected, all of the machines become the targets for the
settings. Check "Use mail notication" to enter each item.
Display Explanation
Receiver address The recipient's e-mail address. You can input more than one address by
separating with a comma.
Sender address This becomes the sender's e-mail address. Input the mail address being used
on the computer with VPanel installed.
Server host name Enter the name of the outgoing mail server (SMTP server name) for the e-mail
address input for the sender’s address.
Server port number Enter the outgoing mail server port number for the e-mail address input for
the sender’s address.
Use SSL connection Check to use a security-protected connection (SSL). Congure the outgoing
mail server settings for the e-mail address input for the sender’s address.
Use SMTP authentication
User name / Password
Check to use authentication when sending e-mails. Input the user name and
password for authentication. Congure the outgoing mail server settings for
the e-mail address input for the sender’s address.
Click "Send test" to send a test e-mail. If the following e-mail is received at the address specied in "Receiver address," con-
guration of the settings is complete.
If the e-mail fails to send, the "Windows Script Host" error message will be displayed. Check the content in the input elds again.
Important
* It may be impossible to send e-mails because of security software settings or the like. If e-mails cannot be sent, check the
settings of the security software being used as anti-virus software or for a similar purpose.
* For detailed information about the e-mail settings, consult your network administrator.
* VPanel does not support TLS connections (STARTTLS).
Subject: <Machine name> Body: Test

VPanel Window and Functions
1. Operation Screen
11
"Manual correction" Dialog Box
In this dialog, you can make corrections of the milling machine manually. Perform corrections if you want to precisely adjust
the accuracy.When more than one machine is connected, the machine selected in the top window is the target of corrections.
* Perform automatic correction before performing this correction.
Display Explanation
Distance
Correct moving distances in the X,Y, and Z directions. Set the correction value
while considering the initial moving distance as 100.000 %.
Initial setting: 100.000 %
A axis back side
Correct the angle when the A axis is rotated 180 degrees. Set the correction
value while considering the initial setting as 0.00 degrees.
Initial setting: 0.00 degrees
Origin point
Correct the origins of the X, Y, and Z axes. Set the correction value while
considering the setting initial setting as 0.00 mm.
Initial setting: 0.00 mm
Clear these values when exe-
cuting the automatic correction
Check to reset the values for "Distance," "Origin point," and "A axis back side"
when performing automatic correction.
Initial setting: Checked

VPanel Window and Functions
12
1. Operation Screen
"Milling bur management" Dialog Box
By selecting a milling bur to be used in this dialog box, the work time of the selected milling bur will be recorded automatically.
In addition, when the bur reaches the preset replacement time, a warning message will be displayed. When more than one
machine is connected, the machine selected in the top window is managed.
Symbol or display Explanation
Click to display the milling bur for which "Milling bur registration" was performed.
Numbers 1 through 10 match the stocker numbers on the machine's ATC magazine. The
information for the selected milling bur will be displayed on the top window.
P. 12""Milling bur management" Dialog Box"
Displays the work time and replacement time of the selected milling bur. When the bur
reaches the preset replacement time, a warning message will be displayed. The replace-
ment time can be changed from "Milling bur registration." After replacing the milling bur
with a new one, click "Reset" to set the work time to 0.
Milling bur registration
Here you can register milling burs whose work time you want to manage, or remove burs
you no longer want to manage. Click here to display the "Milling bur registration" dialog box.
P. 12""Milling bur management" Dialog Box"
Stocker settings
By setting two stockers as a single set, you can automatically replace milling burs that reach
their replacement time during milling. Click here to display the "Stocker settings" dialog box.
 P. 14""Stocker settings" Dialog Box"
Stocker number
Milling bur information

VPanel Window and Functions
1. Operation Screen
13
"Milling bur registration" Dialog Box
A milling bur's registration information can be changed in order to change the work time or the replacement time. When
more than one machine is connected, the milling bur for the machine selected in the top window will be the target.
Display Explanation
Milling bur list
Displays the names, work times, and replacement times of the registered milling burs. If
you are using Intelligent Tool Control (a function that can be set on the "Stocker settings"
dialog box), the work time for the milling bur set as the second milling bur is displayed
under Work time <2>.
 P. 14""Stocker settings" Dialog Box"
Milling bur info
Allows the milling bur name, work time, and replacement time of the milling bur selected
in the list to be edited. Click "Save" to overwrite and save the edited content.
Because replacement times depend on the type of milling bur or workpiece as well as the
milling conditions, adjust the replacement time value as necessary.
Add milling bur Registers additional milling burs. You can register up to 20 milling burs.
Remove milling bur Removes the milling bur selected in the list.

VPanel Window and Functions
14
1. Operation Screen
"Stocker settings" Dialog Box
You can use this dialog box to congure the settings to use two stockers as a single set and alternately use two milling burs
of the same type.If one milling bur reaches its replacement time, the milling machine switches to the other milling bur au-
tomatically, so milling can be continued for a long time without any loss in milling quality.This function is called Intelligent
Tool Control.
Symbol Explanation
The stocker combination is displayed here.On the screen shown here, Pattern 3 has been selected with .
Intelligent Tool Control is used with the following stocker number combinations: 1 and 6, 2 and 7, and 3 and 8.
Select the stocker combination pattern.
 P. 30"Automatically Switching Out the Worn Milling Bur (Intelligent Tool Control)"
The details of the stocker combination pattern selected with are displayed here.

VPanel Window and Functions
1. Operation Screen
15
"Cleaning tool" Dialog Box
This dialog box is used when cleaning the machine. It allows the rotary axis unit, spindle, and other parts to be moved. To
verify the operation, place the mouse pointer over the button to switch the illustration.
 P. 34"Cleaning after Milling Finishes"
Display Explanation
Dust collector ON/OFF
Turns the dust collector ON/OFF.
(For dust collectors with a linking function and connected to the expansion port with
a linking cable.) For details on the dust collector, see the DWX-51D "Setup Guide."
Front Moves the rotary axis unit forward. Use this function when cleaning the rotary axis unit.
Rear Moves the rotary axis unit to the back. Use this function when cleaning the back of
the milling area.
Reverse side Turns the clamp over. Use this function when cleaning the back side of the clamp.
Spindle Moves the spindle unit to a visible location. Use this function when cleaning around
the spindle unit.

16
2. Milling
Using / Reading the Built-In Panel .....................17
Using / Reading the Built-In Panel.........................................17
Statuses Indicated by Status Light Color...............................17
Switching the Power On or Off ...........................18
Switching the Power On ........................................................18
Switching the Power Off ........................................................18
Preparing for Milling ...........................................19
Preparing a Workpiece (Usable Workpieces)........................19
Preparing a Milling Bur (Usable Milling Burs) .......................19
Preparing Compressed Air (Setting the Regulator) ...............19
Starting Milling....................................................20
STEP 1: Mounting the Clamp to the Workpiece ....................20
STEP 2: Attaching the Milling Bur..........................................26
STEP 3: Outputting Milling Data............................................27
STEP4 The workpiece from the clamp ..................................29
Automatically Switching Out the Worn Milling Bur (Intelligent Tool
Control)..................................................................................30
Aborting Output......................................................................31
Removing Milling Data in Standby from the Output List ........31

17
2. Milling
Using / Reading the Built-In Panel
Using / Reading the Built-In Panel
ERROR Flashes when an error has occurred.
PAUSE Illuminates when operation is paused.
POWER This lights up when the power is turned on.
CANCEL Flashes when data is being cancelled and during initialization.
Milling data received while this light is ashing will be cancelled.
Operation button
Pressing this button during milling will pause or restart the machine.
Pressing and holding this button during milling will abort milling or clear some
errors.
Pressing this button in standby will rotate the rotary axis position 180 degrees.The
button will ash during initialization, spindle rotation. The button will illuminate
under any other status while the power is on.
Statuses Indicated by Status Light Color
Blue
The machine is in standby or initializing.
The light will also turn o if no operation is
performed for 30 seconds when in standby,
causing the machine to sleep.
White
When lit white, milling is being performed or
has been paused, or the front cover is open.
Also flashes when the dust collector is in
standby.
Yellow
When lit yellow, an error has occurred, and the
machine has been paused. Check the error
details shown on VPanel. Press the operation
button on the built-in panel to resume milling.
Red
When lit or ashing red, an error has occurred
and milling has been stopped. Milling cannot
be resumed.
Check the error details shown onVPanel. When
lit red, pressing and holding the operation but-
ton on the built-in panel will abort milling and
return the machine to the ready status. When
ashing, turn o the power once and start up
the machine again.
Off The light turns o when the power is turned
o or the machine in the sleep state.
Status
light
Operation button

18
2. Milling
Switching the Power On or Off
Switching the Power On
Procedure

Close the front cover.

Switch on the machine's power switch.
The machine starts initialization. When the status light
stops ashing and remains steadily lit, initialization is
complete.
Switching the Power Off
Procedure
Switch off the machine's power switch.
Do not open the front cover during milling.

19
2. Milling
Preparing for Milling
Preparing a Workpiece (Usable Workpieces)
Workpiece Materials
Zirconia, Wax, PMMA, Composite resin, PEEK, Gypsum
Type Size (Unit: mm)
Disk type
(with step)
Step section: 98.5 mm (diameter), 10 mm (height)
Body section: 95 mm (diameter), 60 mm (height max.)
Pin type
Preparing a Milling Bur (Usable Milling Burs)
The gure below shows the size of usable milling burs.
*The shape of the milling bur is merely an example. Select the milling bur that matches the application. Contact your au-
thorized Roland DG Corporation dealer to purchase milling burs.
Preparing Compressed Air (Setting the Regulator)
WARNING Turn the air pressure adjustment knob slowly and carefully.
Otherwise, the machine may move suddenly, posing a risk of injury.
Pull up on the upper knob (The air pressure
adjustment knob).
Slowly turn the upper knob.
Push down on the upper knob.
Recommended Set Pressure
Shank diameter: Ø4 mm
Length: 40 to 55 mm
Pin diameter: 6 mm
Be sure to congure the regulator to 0.2 MPa or lower. Anything higher may result in a malfunction.
When supply of air starts, the air starts to ow
and the pressure drops. When the pressure has
dropped, adjust the regulator to have an appropri-
ate value again. (Air is supplied when the spindle
rotates or when the tool is replaced.)
Upper knob
(The air pressure
adjustment knob)
Tighten
(Decrease
the pressure.)
Loosen
(Increase the
pressure.)
0.05 MPa 0.2 MPa
Zirconia
PMMA
PEEK
Wax
Composite resin
Gypsum
Ø5.9 ±0.02

20
2. Milling
Starting Milling
STEP 1: Mounting the Clamp to the Workpiece
The mounting method diers depending on the workpiece type and size.
P. 19"Preparing a Workpiece (Usable Workpieces)"
For Disk Workpieces
P. 21"For Pin-Type Workpieces"

Close the front cover and turn on the power switch.
P. 18"Switching the Power On"
Once initialization completes, open the front cover.

Loosen the screws about 3 turns using a torque
driver. (2 locations)
Use the included spare screws when a
screw is lost or worn.

Push down on the screw heads to open the workpiece installation section.
If force is applied in the direction of the back of the machine when you push down on the screw
heads, the rotary axis may move.Forcefully moving the rotary axis by hand is forbidden, but there is
no problem if you have to move it slightly in this manner.
However, do not move the rotary axis by hand multiple times or apply excessive force to move the
rotary axis.
Open this section.