STYLE 350 User manual

Machine manual
STYLE 350 – 510 Version4.8

Machine manual STYLE 350 – 510 V4.9
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1PREFACE 4
1.1 USER MANUAL 4
1.2 DOCUMENTS APPLYING TO MACHINE 4
1.3 EC DECLARATION OF CONFORMITY OF THE MACHINERY 5
2SAFETY 6
2.1 SAFETY GUIDELINES 7
2.2 SAFETY COMPONENTS 7
2.2.1 EMERGENCY BUTTON 7
2.2.2 MACHINE PROTECTION 7
2.2.3 ELECTRICAL CABINET 7
2.2.4 MOVEMENT CROSS SLIDE 7
2.2.5 LUBRICATION 7
3MACHINE SPECIFICATIONS 8
3.1 TECHNICAL SPECIFICATIONS 8
3.2 MACHINE OVERVIEW 9
3.2.1 FRONT SIDE 9
3.2.2 BACKSIDE 11
3.2.3 CONSOLE 12
3.3 WORKING SPACE DIMENSIONS 13
3.4 TORQUE DIAGRAM 14
3.4.1 STYLE 350 - 5,5 KW14
3.4.2 STYLE 350 - 7,5 KW14
3.4.3 STYLE 510 - 7,5 KW15
3.4.4 STYLE 510 - 11 KW15
3.4.5 STYLE 510 - 11 KW - (Ø102 SPINDLE BORE)16
3.5 NOISE LEVEL 16
3.6 MACHINE LIGHTS 16
3.7 SWITCHES AND ENCODERS 17
3.7.1 SWITCHES 17
3.7.2 ENCODERS 17
4INSTALLATION OF THE MACHINE 18
4.1 ENVIRONMENT REQUIREMENTS 18
4.2 FOUNDATION 18
4.3 PREPARATION FOR POSITIONING THE MACHINE 18
4.3.1 FUSE SPECIFICATIONS ELECTRICAL SUPPLY 18
4.3.2 COMPRESSED AIR 18
4.4 MOVING THE MACHINE 19
4.5 LEVELLING THE MACHINE 19
4.6 CHECKS BEFORE COMMISSIONING THE MACHINE 19
4.7 MOUNTING CHUCK 20

Machine manual STYLE 350 – 510 V4.9
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5OPERATING THE MACHINE 21
5.1 CHECKS BEFORE OPERATING THE MACHINE 21
5.2 TURNING THE MACHINE ON 21
5.3 TURNING THE MACHINE OFF ERROR! BOOKMARK NOT DEFINED.
5.4 OPERATING THE GEARBOX 22
5.5 OPERATING TAILSTOCK 23
5.5.1 GENERAL DESCRIPTION 23
5.5.2 CLAMP AND UNCLAMP TOOLING 23
5.5.3 ALIGNMENT TAILSTOCK 24
5.6 STEADY REST 25
5.7 U-STEADY REST 26
5.7.1 RANGE OF THE U-STEADY REST 27
5.8 RPM POTENTIOMETER 27
5.9 FLUID SPRAY GUN 28
5.10 COOLANT PUMP SWITCH 28
5.11 AUTOMATIC TOOL CHANGER 29
5.11.1 OVERVIEW 29
5.11.2 SPECIFICATIONS 29
5.11.3 CLAMPING TOOLING 30
5.11.4 COOLANT 30
5.12 OPERATING THE CHIP CONVEYOR 30
5.13 SPINDLE LEAKAGE HUB 31
5.14 FILTERMIST (OPTIONAL)31
6MAINTENANCE 32
6.1 MAINTENANCE TABLE 32
6.2 LUBRICATION AND COOLANT 32
6.2.1 COOLANT FLUID 33
6.2.2 LUBRICATION GEARBOX 33
6.2.3 CENTRAL LUBRICATION SYSTEM 35
6.2.4 REFILL CENTRAL LUBRICATION PUMP 35
6.2.5 TAILSTOCK 35
6.3 GENERAL CLEANING OF THE MACHINE 35
6.4 CLEANING THE OPERATING PANEL AND DISPLAY 36
6.5 EMPTYING CHIP TRAY 36
6.6 EMPTYING CHIP TRAY SPINDLE BUCKET 36
6.7 FILTERMIST 37
6.7.1 MAINTENANCE EVERY 1000 HOURS 37
6.7.2 MAINTENANCE EVERY 2000 HOURS 38
6.8 FAN ELECTRICAL CABINET 40
7TROUBLE SHOOTING 42
7.1 SERVICE AND PARTS 43
8DECOMMISSIONING THE MACHINE 44

Machine manual STYLE 350 – 510 V4.9
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1 Preface
This manual is a translation of the original and contains information needed for working with the STYLE CNC flatbed
lathe in a safe and responsible manner. For service and repairs on the machine, always follow instructions and
guidelines as described in this manual. Before operating the machine this manual has to be read completely, as
well as the software manuals 'STYLE Lathe' and 'CNC-Edit'. When questions arise, always contact your dealer.
1.1 User manual
This manual is created along the Dutch guideline NEN 5509. This guideline prescribes the setup of manuals for
use in Holland. In this manual various icons and characters are used to explain or add valuable information to a
function. This information is provided by the images shown here.
“ATTENTION”, operator at risk of injury
“ATTENTION”, possible risk of damaging the machine
1.2 Documents applying to machine
For correct use and troubleshooting the following documents are available:
•Software manual Lathe
Manual applying to the software already installed on your machine
•Software manual CNC Edit
Manual applying to the software already installed on your machine
•Preparation document
Technical information for preparing the workplace of your machine before instalment.
•Electrical schemes
For every product range of the STYLE machines an electrical scheme is available
•Parts list
Overview of items and parts installed on your machine
Next to all the standard documentation there are more specific appendixes available. These appendixes contain
information about add-ons or specific models of machine and extra build on functions. Please note that in the
standard documentation, there is no explanation for special models or features, although there can be referred to
the appendixes.
If you did not receive the complete package of manuals at the delivery of your machine, please contact your
dealer or the customer support of STYLE CNC Machines
“TIP”, how to work more efficiently
“ADVICE”, prevention of dangerous situation

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1.3 EC declaration of conformity of the machinery
Manufacture: STYLE CNC Machines B.V.
Address: Het Steenland 15, 3751 LA Bunschoten, Nederland
Hereby declares that the next machine meets the below guidelines, standards, rules
and regulations, which apply to the requirements in the standard MCE:
Machine: Lathe
Certificates, specifications, rules and regulations as applicable:
2006/42/EG
Machine guideline
2014/35/EU
Low voltage directive
93/68/EEG
Changes CE-marking guidelines
2014/30/EU
Guidelines in case Electromagnetic Compatibility EMC
Harmonized standards and regulations:
NEN-ISO 1708:1997
Acceptance conditions for general purpose parallel lathes - Testing of the accuracy
NEN-EN-ISO 7010:2012
Graphical symbols - Safety colors and safety signs - Registered safety signs
NEN-EN-ISO 12100:2010
Safety of machinery - General principles for design - Risk assessment and risk reduction
NEN-EN-ISO 23125:2015
(Cor. 2016-05) en
Machine tools - Safety - Turning machines
NEN-EN-IEC 60204-1:2006
Safety of machinery - Electrical equipment of machines - Part 1: General requirements
NEN-EN-IEC 60947-5-1:2018
en
Low-voltage switchgear and control gear - Part 5-1: Control circuit devices and switching
elements - Electromechanical control circuit devices
NEN-EN-IEC 61131-2:2007
Programmable controllers - Part 2: Equipment requirements and tests
Bunschoten, January 2020
B. Clement
Managing director

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2 Safety
All lathes bring a risk by rotating parts, pulleys, belts high voltages and sound. To avoid personally and
mechanical injuries it is imperative the safety standards will be complied.
1. Before operating the machine the operation manuals of the teach-in lathe and the 'Style Lathe' and 'CNC
Edit' should be read and understood.
2. Never operate this machine without understanding the function of the keyboard and control buttons. Ask
a qualified person for help if needed.
3. Never leave the machine unattended or have unqualified personal operating or service the machine.
4. Never operate the machine if the machine is not fully closed and the safety switches are not enabled.
5. Make sure the electrical cabinet is closed and locked with both locks.
6. Never leave a working machine unattended.
7. Never lean on the machine whilst it is in use.
8. Before operating the machine make sure everybody near the machine is notified.
9. There should be enough light on the work piece and machine.
10. The emergency button is the red button on the control panel. If the emergency button will be used the
machine, servo motors, tool changer and coolant pump will stop directly. Use the emergency button only
in case of emergency to avoid damage to the machine.
11. Never try to stop moving parts by hand.
12. Never use fingers to align parts or holes.
13. Remove all service tools from the machine before starting the machine.
14. Protect your ears during operating the machine. Using ANSI approved protection is recommended to
avoid hearing impairment.
15. Always protect your eyes and ware approved safety glasses with protective side shields during operating
the machine.
16. Always stop the machine completely before removing chips or finished work pieces.
17. Never use compressed air to remove chips, oil or coolant.
18. Wear appropriate non-slip and steel toe footwear.
19. Prevent slipping. Keep the area free of oil and any objects. Remove chips, oil, coolant and other objects
around the machine.
20. During normal use it is almost impossible to get jammed or grabbed by moving parts, but always be
aware of danger. Before operating the machine never wear rings, wrist watches, jewelry, torn or loose
clothing such as: ties, scarves, unbuttoned jackets or any garment as they could become caught in
moving parts.
21. Make sure your hair can not reach moving parts. Wear a hair-net when needed.
22. Remove gloves before starting the machine. Gloves become caught easily in moving parts Never
operate the machine after using alcohol, medicine (refer to package) or drugs.
23. Protect your hands. Make sure the machine has come to a complete stop and the control is in stop mode
before:
a. The tool is changed.
b. Parts are removed.
c. Chips, oil or coolant is removed. Use a scraper or brush.
d. A part of the chuck is adjusted, filling coolant or measurements are carried out.
e. Before opening the door or the chuck guard. Never try to reach a part when the machine is
running.
24. Use proper tools for the lathe operations.
25. The user is responsible for entering correct parameters for cutting speed, cutting depth, spindle speed,
etc.
26. Avoid the risk of damaging the work piece and tools by not starting the spindle while the tool is touching
the work piece.
27. Never use worn or damaged tools or cutting bits. Inspect the cutting side of the tool for sharpness and
check the tool fitting in the tool holder.
28. Keep the overhang of the tool as small as possible. If the overhang is too large, it will give bigger risk for
injury and damaging to the machine.
29. Prevent risk of fire. Keep flammable materials and fluids away from the machine and hot chips. When
machining some materials (magnesium etc.) the chips are highly flammable. Ask supervising personal
for instructions before cutting these materials.
30. Keep open fire away from the machine.
31. Do not use toxic or flammable materials. This can release highly toxic substances. Consult the
manufacturer of the material for instructions on using these materials to be processed.

Machine manual STYLE 350 – 510 V4.9
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32. Changing the spindle speed has to be done when the machine is stopped. Never change the machine to
another gear while it is running.
33. Never rotate the spindle by hand, except when the emergency stop button is pressed.
34. Never rotate the chuck with more RPM than indicated.
35. Follow all the warnings and instructions of the chuck manufacture and the clamping procedure.
36. Tighten the work piece sufficient between the claws of the chuck. Improper or insufficient clamped work
pieces can come through the safety doors with high speeds. The operator should use a safe, lower RPM
during machining bigger or hardly strained pieces. Machining work pieces that are too big or parts that
are nearly clamped is not safe. Stop and disconnect the machine from the main power source before
replacing the following parts: belts, pulley, gears, and other moving parts, parts within reach of moving
parts or electrical power.
37. It is not allowed to apply maintenance unless the electricity is unplugged
38. Replace damaged or seriously scratched windows and control panels immediately
Under no circumstance it is allowed to use the machine for other purpose that it is
designed for and is described in this and 'Style Lathe' and 'CNC-Edit' software
manuals. STYLE CNC Machines is not responsible in any way for accidents and
injuries caused by improper use of the machine and not following instructions stated
in the manuals.
2.1 Safety guidelines
The STYLE flatbed lathe is designed and built according to the appropriate European standards (see the EG
document in the appendix).
2.2 Safety components
2.2.1 Emergency button
The emergency button is integrated in the control panel, and also on top of the optional chip conveyor. When the
emergency button will be activated all (motorized) movements will be stopped and disconnected from the main
power.
Use the emergency stop button only in case of danger. Never use this button as a
power switch or soft-stop button.
2.2.2 Machine protection
To prevent entanglement by moving parts a door interlock is used. The door interlock is mounted on the left door
and it is controlled by the software. It is not possible to start the main spindle in automatic mode while the door is
opened.
Never operate the machine when the doors are open.
2.2.3 Electrical cabinet
When the main switch is switched to”0-OFF” the electrical power is removed from the machine.
When service operation has to be made to the electrical cabinet this switch has to be switched to “0-OFF” in order
to open the door to the cabinet. Also the electrical connection has to be removed.
2.2.4 Movement cross slide
The travel of the support is limited by the control software. Yet it is recommended to prevent damage to the
machine not to move the support into the limit switches.
2.2.5 Lubrication
In the automatic lubrication pump a level switch is mounted in the reservoir for measuring the oil level. When the
oil level is too low, a warning message is displayed on the console screen.

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3 Machine specifications
3.1 Technical specifications
Machine type
STYLE 350
STYLE 510
Ø54 bore
Ø80 bore
Ø102 bore
Main spindle
Main motor
[kW]
5,5 / 7,5
7,5 / 11
11
Maximum torque main spindle
[Nm]
373 / 509
718 / 1.050
1.180
Max. RPM
[rpm]
3000 (4000)
2500
1800 (2100)
Number of gears
[-]
3
3
3
Spindle bore
[mm]
Ø54
Ø80
Ø102
Spindle nose (camlock)
Spindle nose (hydraulic chuck)
[-]
[-]
D1-6
A2-6
D1-8
A2-8
D1-8
A2-8
Dimension thread backside spindle
[mm]
Ø56 – 16TPI
M82x2
M104x2
(850 dbc)
(1350 dbc)
(1850 dbc)
Machine
Swing over bed
[mm]
380
510
Swing over support
[mm]
190
300
Center height from support
[mm]
± 112
± 152
Distance between centers (dbc)
Heavy tailstock option (dbc)
[mm]
[mm]
850
1350
1200
1850
1700
Bed width
[mm]
305
330
Max. weight between centers
[kg]
300
600
X-axis
Diameter ball screw X-axis
[mm]
Ø 25
Ø 25
Pitch ball screw X-axis
[mm]
5
5
Rapid feed X-axis
[m/min]
8
8
Feed rate
[mm/min]
0,01 - 1000
0,01 - 1000
Movement X-axis
[mm]
180
260
Z-axis
Diameter ball screw Z-axis
[mm]
Ø 40
Ø 40
Pitch ball screw Z-axis
[mm]
5
5
Rapid feed Z-axis
[m/min]
8
8
Feed rate
[mm/min]
0,01 - 1000
0,01 - 1000
Tailstock
Quill diameter
[mm]
54
75
Quill stroke
[mm]
100
160
Quill taper
[MK]
4
5
General
Weight
[kg]
2000
2700
3250
Volume coolant tank
[L]
90 L
90 L

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3.2 Machine overview
3.2.1 Front side
#
Description
1
Oil level / flow glass
2
Gear lever
3
Electrical cabinet
4
Machine door
5
Console
6
Console door
7
Service hatch
8
Cover central lubrication pump
9
Machine feet
10
Chip tray
11
Chip conveyor (optional)

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#
Description
1
Hoofdspil
2
Steady rest (Optional)
3
Cross slide
4
Tailstock
5
Spindle bucket
6
Gearbox
7
Main motor
8
Coolant tank

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3.2.2 Backside
#
Description
1
Machine type plate
2
USB connector
3
Service hatch
4
Coolant pump
5
Service hatch
6
Ventilator electrical cabinet
7
Brake resistor

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3.2.3 Console
#
Description
1
ON/OFF button controler
To switch on/off the machine
2
Spindle speed switch
This controls the speed of the spindle
3
Feed rate switch
Controls the speed of the power supply
4
Monitor
Touch screen to control and visualize the
software
5
Emergency button
All motorized movements will be stopped and
disconnected of the main power.
Use this button only in case of emergency.
6
Hold to run
A button that is pressed to override security
functions. The machine will stop when the button
is released
7
Resolution switch
To select the step sizes of the MPG. Step sizes
to be chosen are 0-1-10-100
8
MPG X-axis
For manually movement in the X-axis direction
9
MPG Z-axis
For manually movement in the Z-axis direction
10
Additional potentio meter
(Optional)
To be able to manually adjust the speed of the
main spindle (-10% ~ +10%)
11
Keyboard
To program the software
12
Function panel
Selects the functions
13
Hold to run
A button that is pressed to override security
functions. The machine will stop when the button
is released
14
Axis selection switch
This allows you to select the axis to be operated.
15
Emergency button
All motorized movements will be stopped and
disconnected of the main power.
Use this button only in case of emergency.
16
Resolution switch
To select the step sizes of the MPG. Step sizes
to be chosen are 0-1-10-100
17
MPG
Allows you to move the axis selected to operate

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3.3 Working space dimensions
The minimum required dimensions to operate and to service the machine are shown in the table and figure below.
For machines without chip conveyor dimensions A & B need to be used.
For machines with chip conveyor dimensions A & C need to be used.
Machine type
A
B
C
350 (850 dbc)
[mm]
2800
3960
4970
510 (1350 dbc)
[mm]
2800
4670
5760
510 (1850 dbc)
[mm]
2800
5180
6270

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3.4 Torque diagram
3.4.1 STYLE 350 - 5,5 kW
3.4.2 STYLE 350 - 7,5 kW

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3.4.3 STYLE 510 - 7,5 kW
3.4.4 STYLE 510 - 11 kW

Machine manual STYLE 350 – 510 V4.9
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3.4.5 STYLE 510 - 11 kW - (ø102 spindle bore)
3.5 Noise level
The STYLE 350 – 510 lathes will produce a maximum noise level of 80dB (A). This has been measured according
the guideline 98/37/EG chapter 1.7.4.2.u.
3.6 Machine lights
The machine has equal lights in the operating area of the machine and a flexible spot is placed on the back side
of the cross slide.
When the machine will be switch on by the main switch, the fluorescent tubes will be powered on automatically.
The flexible spot light can be switched ON/OFF by the switch integrated in the handle.
Avoid hearing impairment by using OSHA approved hearing protectors during
operating the machine.
It’s highly recommended to use the flexible spotlight during operating the machine
to avoid stroboscopic effect.

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3.7 Switches and encoders
3.7.1 Switches
To guarantee the safety of the machine, several switches are used in the machine. The most important safety
switches are:
•Door interlock
•Microwitch chuckguard
•Limit switch X/Z axis and tailstock.
If one of these switches do not work properly the machine safety cannot be guaranteed
and it is forbidden to operate the machine.
3.7.2 Encoders
To provide the machine of the correct information several encoders are mounted. The most important encoders
are:
•Encoder S-X & Z motor
•Encoder main spindle
If one of the above mentioned sensors do not work properly, the machine will not be able function proper. The
software will detect an error in this case. May the software detect this error refer to the section trouble shooting or
contact your dealer or the department customer support of STYLE CNC Machines.
If one of these encoders do not work properly the machine safety cannot be
guaranteed and it is forbidden to operate the machine.

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4 Installation of the machine
This chapter gives information about installation of the machine. Check if the machine is supplied with all parts
which are ordered. In case of missing parts or wrong parts please contact your dealer by using the claim form.
4.1 Environment requirements
Because of the design of the current machine it not recommended to use the machine in an environment where
electric and metal sparks are prohibited.
•Environmental temperature ranging from 5°C - 30°C.
•Environment free of poisonous vapors, gases and salt.
•Prevent abnormal vibrations of foundation.
•Prevent direct sunlight or heat rays which can greatly influence the machine working temperature.
•The maximum fluctuation of the nominal frequency should be within 1% of the source frequency.
•The maximum fluctuation of the nominal voltage should be within 1% of the source voltage.
•It is prohibited to use the machine in an environment where possible risk of explosions are present
4.2 Foundation
Regarding foundation and the position of the levelling bolts of the machine. Because of tolerances of the casting of
the machine frame, it is recommended to measure the actual machine dimensions when it is on its location.
Consult a specialized building constructor for dimensions and installation of machine foundation.
4.3 Preparation for positioning the machine
4.3.1 Fuse specifications electrical supply
The machine should be connected using a 400VAC / 3 phase /50 Hz electrical connection CEE-Form connecting
socket. The machine should be grounded properly according to the local requirements and regulations. When
questions arise, please contact your dealer.
Other specifications and connection guidelines are found in the machine preparation document.
Fuse STYLE 350 - 510
Main motor [kW]
5,5
7,5
11
Max use [kW]
12
14
16
Fuse [A]
25
25
32
The machine should have a dedicated and switchable 400 volt electrical source. The
user of the machine is responsible for the electrical connection and installation
according to the local requirements and regulations.
4.3.2 Compressed air
For a standard machine with machine options no compressed air is needed for operating the machine.

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4.4 Moving the machine
The lathe can be moved by crane or forklift. When questions arise,
please contact your dealer.
To move the machine on a safe and correct way the following steps need
to be followed:
1. Remove all loose items and tools on the machine
2. Move the tailstock and the cross slide as far as possible to the
backside of the machine.
3. Remove all coolant of the coolant tank.
4. Move all machine doors to the sides of the machine. This will
create an opening in the middle to lift the machine by crane.
5. Shut of the machine.
6. Disconnet the electrical and eventually the pneumatical
connections of the machine.
7. Lock all doors and hatches to make sure they cannot move.
8. When lifting the machine using a crane, always use special
lifting tool that clamps on the inner side of the machine bed.
9. When lifting the machine using a forklift, always set the forks as
wide as possible.
10. Use rubber anti-slip mats to prevent the machine from sliding off
the forks.
11. When lifting the machine, always keep the machine as close to
the ground as possible.
4.5 Levelling the machine
The machine can only operate correctly and reach its accuracy when positioned and levelled properly. Testing and
calibrating the machine can only commence after it's been levelled according to instructions below.
The machine can both be positioned standing on the six machine feet or bolted to the floor using anchors. Bolting
the machine to its foundation with anchors is recommended when the machine is used for heavy machining or when
unbalanced work pieces are machined.
When levelling the machine, use a levelling rule that has an accuracy of 0,02 mm / meter.
1. Place the machine on the supplied machine feet discs.
2. Untighten all nuts of the machine feets 1 to 6.
3. Fully screw up levelling feet 1 & 2 so they will have no contact
with the machine feet discs.
4. Make sure all levelling feets have contact with the feet discs.
5. Adjust levelling feet 3&4 halfway
6. Put the levelling rule on the front guide of the bed.
7. Adjust levelling feet 5 until the Z-axis is aligned.
8. Adjust levelling feet 1 and make sure there is contact with the
feet disc.
9. Put the levelling rule on the support in the X-axis direction.
10. Adjust levelling feet 4 until the X-axis is aligned.
11. Adjust levelling feet 2 & 6 until there is contact with the feet disc.
12. Check if all levelling feets are in contact with the feet discs.
13. Lock all nuts of levelling feets 1 to 6.
4.6 Checks before commissioning the machine
•The machine should be positioned on its supplied machine feet or bolted to the foundation by anchors.
•The machine should be located on a stable foundation and should be levelled according to instructions.
•The machine should have its required working space.
•Check if the rotation of the main spindle is in the right direction.
•A chuck, the correct tool holder and tools should be mounted. Follow the manufacturer instructions of the
chuck and the tools.
•Check the coolant pump for proper function. There should be a powerful flow of coolant coming out of
the coolant pipe on the cross slide.
•Check the oil pump for proper function. There should be oil flowing behind the upper sight glass on the
front of the transmission housing.

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4.7 Mounting chuck
Always check the maximum allowed RPM of the chuck according the values of the
manufacture.
The chuck is bolted to the spindle and secured with camlocks. Before mounting the chuck, all parts need to be
cleaned thoroughly. When a new chuck is mounted, it may be necessary to adjust the camlock studs so they line
up with the camlocks properly. To adjust, unscrew the hex-bolts and screw the studs in or out until the rear of the
chuck lines up with the groove of the stud and the notch lines up with hex-locking bolt. Then install and tighten the
hex locking bolt.
Mount the chuck on the spindle and install and tighten the 6 camlocks. When the bolts are tightened, the indicator
line on the bolt head should be positioned between the V-marks on the spindle. When one of these bolts does not
line up, remove the chuck again and adjust the camlock stud according to the instructions given in the table.
Picture 1: indicator camlock is between V-marks, adjusted correctly.
Picture 2: indicator camlock is above V-marks, screw in camlock stud one turn.
Picture 3: indicator camlock is below V-marks, screw out camlock stud one turn.
A mark should be placed on chuck and spindle to make sure that every correctly adjusted chuck is mounted on the
same position as it is was adjusted on.
Do not exchange chucks between different lathes without
checking the cams and camlocks for damage.