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Installation and maintenance guide H-6270-8501-01-A NC4 non-contact tool setting system (integral air blast)
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For more information scan the code above or visit www.renishaw.com/ncsupport.
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Publications for this product are available by visiting www.renishaw.com/nc4. Weitere Informationen zu diesem Produkt sind unter folgendem Link www.renishaw.de/nc4 abrufbar. Las publicaciones para este producto están disponibles a través de www.renishaw.es/nc4. Les documentations pour ce produit sont disponibles en visitant le site www.renishaw.fr/nc4.
Contents Before you begin ........................vii Disclaimer ..........................vii Trade marks ..........................vii Warranty ..........................viii Changes to equipment ......................viii CNC machines ........................viii Care of the interface ......................viii Patents ..........................viii EU declaration of conformity ....................ix WEEE directive........................ix FCC information to user (USA only) ..................ix Safety ............................
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General ............................4 Introduction ..........................4 Guidelines for good practice ....................4 How to install and configure the NC4 (integral air blast) system ........... 5 Parts checklist ........................6 Access panel identification markings ..................7 Probe status LED function ..................... 8 Dimensions ..........................
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Contents Performance ..........................20 NC4 (integral air blast) system vs. minimum tool diameter..........20 NC4 set-up tool ........................21 Introduction .......................... 21 Battery specification ......................22 Installation ..........................23 Introduction .......................... 23 Best practices ........................24 Electro-pneumatic integration ....................25 Installing the air assembly kit....................
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Applying electrical power to the interface unit ..............35 Power loss and restoration ....................35 Installation – setting the air pressure ..................36 Setting the NC4 (integral air blast) system air pressure ............36 Setting the air blast pressure ....................37 Software – installation and routines ..................38 Introduction ..........................
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Contents System alignment tolerances ....................42 Alignment tolerances ......................42 Alignment and set-up ......................43 Aligning and setting up an NC4 (integral air blast) system ..........43 Troubleshooting ........................48 Maintenance ..........................56 Introduction .......................... 56 Maintenance – air regulator unit .................... 57 Checking the liquid level ......................
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Servicing – PassiveSeal™ ...................... 70 Disassembling the seal......................70 Resassembling the seal ...................... 70 Refitting and aligning the NC4 ..................... 72 Servicing – air regulator unit ....................73 Removing and refitting filter elements ................. 73 Replacing other service kit components................74 Parts lists ..........................
Renishaw products and technologies are trade marks of The publication of material within this document does not Renishaw plc or its subsidiaries. imply freedom from the patent rights of Renishaw plc. Google Play and the Google Play logo are trademarks of Disclaimer Google,Inc.
Patents Unless otherwise specifically agreed in writing between Features of the NC4 non-contact system (integral air you and Renishaw, if you purchased the equipment from blast) and related products are subject to the following a Renishaw company, the warranty provisions contained patents and patent applications: in Renishaw’s CONDITIONS OF SALE apply.
This device complies with Part 15 of the FCC rules. Operation is subject to the following two conditions: Renishaw plc declares that the NC4 non-contact tool setting system (integral air blast) complies with the This device may not cause harmful interference, and applicable standards and regulations.
Before you begin Safety Information to the equipment installer All Renishaw equipment is designed to comply with the Information to the user relevant EC and FCC regulatory requirements. It is the In all applications involving the use of machine tools or responsibility of the equipment installer to ensure that CMMs, eye protection is recommended.
670 nm and has a power output of less than 1 mW. must always be followed to reduce the risk of fire, electric shock and personal injury, including the following: The NC4 is classified as a Class 2 laser product as defined • Read all instructions before operating this product.
Laser warning labels Laser ‘On’ and probe status LED (for more information see “Probe status LED function” on page 8). Label B Label A NOTE: Labels A and B are fitted to the transmitter unit only. Label A Label B 激光辐射...
Location of the laser aperture Caution symbol (for more information see below) Laser aperture Access panel identification markings, denoting system range (for more information see “Access panel identification markings” on page 7). CAUTION symbol CAUTION – Laser safety The caution symbol on the access panel denotes The access panel is to be removed for service the following: purposes only using the special tool supplied.
If electrical power is applied to the unit when this panel is removed, personnel can be exposed to laser radiation within the levels for Class 3R. Before carrying out servicing procedures on the NC4 system, switch off electrical power. Related publications • NCi-6 non-contact tool setting interface installation and user’s guide, Renishaw part...
Guidelines for good practice of clean air. Approximately once a month, inspect the optics for contamination. The • The NC4 is a precision device and must be service interval may be extended or reduced handled with care. depending on experience.
General Switch on the air supply to the NC4 system How to install and configure and set the air pressure (for more information the NC4 (integral air blast) see “Setting the NC4 (integral air blast) system system air pressure” on page 36).
Ensure that the NC4 system supplied has the Interface unit correct separation (for more information see The NC4 requires use of the NCi-6 interface unit. pages 12 to 15). Contact your supplier if a This unit is included in each NC4 kit.
Access panel identification Fixed systems markings Type Transmitter Receiver engraving engraving The access panel of each NC4 transmitter and +F115 +50+ +50+ receiver unit is engraved with identifying markings. The access panel information for each size of +F145 +40+ +40+ NC4 is shown in the table opposite.
The probe status LEDs will rapidly flash code The probe status LEDs on the transmitter and which is used by the NC4 set-up tool. receiver units indicate to the user the status of the probe. The LEDs mimic each other.
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The probe status LEDs can be used for diagnostic If the laser beam is clear and the LEDs are either purposes as the NC4 constantly checks itself for amber or flashing amber/green, this indicates that signal and indicates the state of the system by the servicing is required.
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The probe status LEDs can be used for diagnostic If the laser beam is clear and the LEDs are either purposes as the NC4 constantly checks itself for amber or flashing amber/green, this indicates that signal and indicates the state of the system by the servicing is required.
Dimensions – transmitter (Tx) and receiver (Rx) Ø30.0 (Ø1.18) Dimensions in mm (in) 35.0 (1.38) 19.0 (0.75) 5.4 (0.21) 24 (0.95) across flats Ø26.0 (Ø1.02) A = Mounting holes (×2), M3 x 0.5 P x (0.30) 8.0 mm (0.31 in) deep 4.0 (0.16) B = Dowel holes (×2), Ø2.0 mm 1.0 (0.04)
±1.0 µm (39.37 µin) 2σ NC4 pneumatic supply Hard-wired system Ø3.0 mm (0.12 in), connector system Ø4.0 mm (0.16 in) air pipe, 6.0 bar (87.02 psi) maximum. Air supply to the NC4 must conform to BS ISO 8573-1: 2010 Class 1.7.2. Air blast pneumatic Ø6.0 mm (0.24 in) air pipe, 6.0 bar (87.02 psi) maximum.
Performance NC4 (integral air blast) system vs. minimum tool diameter NOTE: The minimum tool diameter values listed in this table are typical values. They are provided for guidance purposes only. NC4 (integral air blast) system Separation Minimum tool diameter F115 55.0 (2.17)
The set-up tool is placed over the receiver unit and is rotated so that the display can be easily viewed. Placing the tool over an NC4 unit Numerical activates the numerical display. Removing the display tool causes the display to power off.
NC4 set-up tool Battery specification Battery Part number manufacturer The set-up tool requires one ½ AA size battery, Maxell ER3S rated at between 3.3 V and 3.6 V. It is important Saft LS 14250C, LS 14250 to ensure that the battery is supplied in standard...
6.0 bar (87.02 psi) maximum. Failure of the air supply allows a PassiveSeal inside each NC4 unit to protect the unit from the ingress of contaminants. This causes the unit to enter a trigger state. The laser beam will not be...
Diameter Minimum Minimum static bend dynamic exits the machine air supply filter/regulator radius bend radius unit. Do not connect the NC4 to an oiled air GP 9 conduit 14 (0.55) 40.0 (1.57) – supply. GP18 conduit 24 (0.94) 75.2 (2.96) –...
Ø6.0 mm (0.24 in) cable (one or two dependant on CNC machine NCi-6 interface system configuration) control See note NC4 system Air preparation Ø6.0 mm Solenoid valve air pipe Ø4.0 mm air pipe Air preparation NOTE: Solenoid valve can be controlled by an M-code connected using the auxiliary relay on NCi-6,...
After you have finished installing the air assembly contaminated (e.g. if it is direct from the machine kit, install the NC4 system (for more information shop supply, if the machine tool filter is dirty, or see “Installing an NC4 (integral air blast) system”...
The top and sides of the pack/plate should This section describes how to install NC4 be within 1.0 mm (0.039 in) over the length of (integral air blast) systems. Refer to the figures the pack/plate.
Installation – hard-wired systems Blanking cap Straight adaptor Z-axis locking screw X/Y-axis locking Air pipe (from NC4 screws unit) The straight conduit gland, Collar O-clip shown here, is fitted as Conduit NC4 system standard. For details of the optional 90° gland adaptor, see the figure on page 29.
Air pipes Conduit Spring covers Fit the cable to the NC4 system by pushing Route the conduit through the machine. the connector into the socket. Rotate knurled If necessary, fit a cable gland where the collar until it locks into place.
Cable with 90° connector shown fitted to a typical system with connector Grub screws 1.5 mm A/F × 4 90° connector NC4 system Air pipes Loosen grub screws × 4 to adjust orientation. Tighten to 0.6 Nm to 0.7 Nm ( 0.4 lbf.ft to 0.5 lbf.ft).
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fittings as appropriate. the air pipes. Systems with connector: Connect the air pipes to the NC4 system and slide spring 10. Using the air regulator, purge the Ø3.0 mm covers over air fittings. (0.12 in) hard-wired system or the Ø4.0 mm (0.16 in) connector system and Ø6.0 mm...
The interface processes signals from the NC4 and converts them into a voltage-free solid state relay (SSR) output. This is transmitted to the CNC Install and configure the interface as described...
NC4 (integral air blast) system wiring details The colour and intended function of each of the wires from the NC4 transmitter and receiver units are described below. The NC4 with connector has a single cable with one wire of each colour.
Power loss and restoration the interface unit If electrical power to the interface unit is lost and subsequently restored when the NC4 system is in a normal operating mode, the NC4 powers down WARNING: Before switching on electrical power, and then powers up again without loss of the ensure that the machine is safe to work on.
Setting the NC4 (integral air NOTE: If the air supply pressure varies while the blast) system air pressure machine is operating, the air pressure to the NC4 system may need to be increased to allow for this pressure fluctuation. WARNING: Before setting the air pressure, ensure that the machine is safe to work on.
Installation – setting the air pressure Increase the air pressure until sufficient to Setting the air blast pressure remove the swarf and coolant contamination typical for the application and the tools used. WARNING: Before setting the air blast pressure, Typically 6.0 bar (87.02 psi) is most effective. ensure that the machine is safe to work on.
Renishaw plc are described in the data sheet Probe software for machine tools – programs and features Renishaw part no. H-2000-2298. For more information see www renishaw com. Example programs for high-speed broken tool detection of solid tools are available for a wide range of machine controller types.
“Alignment tolerances” on page 42. Either a voltmeter or an NC4 set-up tool is used The beam alignment macro described in the to provide an indication of the signal strength relevant non-contact tool setting software received at the receiver unit.
System alignment and set-up – general Using a voltmeter A standard voltmeter, that is within calibration, may be used for setting up and aligning the NC4 system. Top face interface label Position the voltmeter next to the receiver Connector CN1...
– that is, when the NC set-up switch (SW1-2) is set to ‘On’. Check that the NC4 receiver unit is clean Numerical and free of swarf. Push the set-up tool onto...
System alignment tolerances Alignment tolerances The tolerances to which a tool can be set are dependent on the parallelism of the laser beam to the machine axes. Tool setting applications Over a span of 100 mm (3.94 in), the following alignment accuracies are easily achievable: Spindle axis Spindle axis (P2 –...
WARNING: Before aligning and setting up an Aligning to the Z-axis NC4 system, ensure that the machine is safe to Slacken the Z-axis locking screw(s). work on. Adjust the Z-axis adjusting screw(s).
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Alignment and set-up Location of locking and adjusting screws on the NC4 system Tool set up target Z-axis locking screw 4.0 Nm (2.95 lbf.ft) X and Y-axis locking screw ×2 4.0 Nm (2.95 lbf.ft) Z-axis adjusting grub screw 7.8 Nm (5.75 lbf.ft)
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Alignment and set-up Pitch adjusting screw Pitch locking screw Securing screw (do not adjust) Receiver unit Rotation locking screw Rotation adjusting screw Transmitter unit Z-axis adjusting screw Cover Cover securing X/Y-axis locking screw screws Z-axis locking screw...
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1.0 unit. and 7.0. Ensure that air is supplied to the NC4 and is Repeat step 7 to check that the maximum at the correct pressure. reading is obtained on the voltmeter or set-up tool.
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Alignment and set-up 11. Check that the laser beam is not obstructed. On the interface unit, set switch SW1-2 (NC set-up) to ‘Off’. Check that: • the probe status LED is green, and • the voltmeter reading is between 4.7 V and 5.3 V.
Troubleshooting NC4 fails to turn on (Tx and Rx status LEDs are not lit) Cause Rectification action Faulty connections. Check that the wiring connections are correct. Wrong supply voltage. Check the supply voltage to the interface unit. Blown fuse. Check the connections for a short circuit.
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Set the correct feedrate – 2.0 µm (78.74 µin) per revolution is the recommended value. Electrical interference. Ensure that the NC4 cables are not routed alongside cables carrying high current. Ensure that the earth wire is connected to the interface.
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Check that the voltmeter is operating correctly and is correctly connected to the interface. NC4 air pressure is set Reset the air pressure (for more information see “Setting the NC4 incorrectly. (integral air blast) system air pressure” on page 36).
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The optics are contaminated (for more information see page 59, “Cleaning the optics”). • The air pressure is incorrect (for more information see “Setting the NC4 (integral air blast) system air pressure” on page 36). • The system is out of alignment (for more information see page 43, “Alignment and set-up”).
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Troubleshooting Probe status LED is red Cause Rectification action No air supply to the NC4. Check the air supply. Damaged air pipes. Ensure that the air pipes are not damaged or kinked. Misalignment between the Realign the transmitter and receiver units.
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Tx or Rx lens is dirty or the air hole is blocked Cause Rectification action Air supply to NC4 does not Connect the air supply upstream of the oil mist lubricator or auto conform to BS ISO 8573-1: shut-off valve.
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This variation in voltage is not greater than ±0.2 V. An incorrect reading is obtained when the NC set-up mode is switched off. Dirty optics Ensure that the NC4 status LED and the optical filter on the set-up tool are clean and are not damaged.
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Troubleshooting Air blast problems Cause Rectification action Air blast makes a squealing noise. Air pressure is too low. Increase air pressure until noise stops. DO NOT exceed 6.0 bar (87.02 psi) maximum. Jet of coolant from nozzle when air blast Check the nozzle isn’t damaged and is correctly activated.
Maintenance Equipment requiring repair, overhaul or attention Introduction under warranty should be returned to your The NC4 unit requires minimal maintenance as supplier. it has been designed to operate as a permanent Before carrying out any maintenance operations, fixture on all sizes of vertical and horizontal...
Air pressure will drain from the bowl. regulator filter bowl Switch on the air supply and set the pressure as described in “Setting the NC4 (integral air blast) system air pressure” on page 36. Oil removal Filter bowl drain outlets...
Maintenance – NC4 set-up tool Replacing the battery The set-up tool requires a ½ AA size battery that is rated between 3.3 V and 3.6 V. Slide the top cover forward by hand to expose the battery. Remove the battery.
• Polyester cleaning swabs (×2). Cleaning the NC4 To clean the optics If the air to the NC4 becomes contaminated, the transmitter and receiver units may require CAUTION – Laser safety cleaning. The access panel of an NC4 transmitter Contamination will cause the system to stay in unit is removed to allow access to the optics.
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70 to 80 degrees until the PassiveSeal is clear of the optic glass. Remove the air supply from the NC4 by setting the pressure regulator to 0 bar (0 psi). Purge the air supply for approximately one minute to clear the lines.
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12. Spray the clean air spray into the housing to 35). remove all traces of solvent. Restore the air supply to the NC4 and adjust 13. Visually inspect for debris around the the pressure (for more information see surfaces where the access panel fits into the “Setting the NC4 (integral air blast) system air...
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Servicing – cleaning the optics If realignment is not necessary, set switch SW1-2 (NC set-up) on the interface unit to ‘On’. After approximately 5 seconds, set the switch to ‘Off’. Check that the system triggers. To do this, pass an object through the laser beam and check that the status LED changes from green to red and back to green.
Replacing the air blast nozzle the NC4. The air blast nozzle can be replaced if it becomes Fit the new nozzle to the NC4 system (for damaged. further information see the figure on page Identify the cause of the damage and rectify the 65).
WARNING: Before disassembling a hard-wired system, ensure that the machine is safe to work CAUTION: Systems with connectors cannot on. Remove power and air from the NC4 system. be dismantled. Please contact your Renishaw supplier. CAUTION – Laser safety...
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Servicing – hard-wired systems Push fit/release NC4 receiver unit pneumatic fitting NC4 transmitter Electrical cable unit Air pipe Collar O-clip Hard-wired system housing M3 holding screw × 2 Cover plate M3 cover plate screw...
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The PassiveSeal and air pipe can now be accessed. The pneumatic fitting is of a push Secure the NC4 unit to the housing with the fit/release type. two M3 holding screws. To disassemble the PassiveSeal, for more Refit the cover plate then refit and tighten the...
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Servicing – hard-wired systems Finally, align and set up the compact hard- wired system as described in “Aligning and setting up an NC4 (integral air blast) system” on page 43.
Using the pin spanner, unscrew the locking Disassemble and reassemble the PassiveSeal of cover. one NC4 unit at a time. This will avoid mixing up the seals and access panels. Remove the locking cover, diaphragm clamp, spring, and PassiveSeal assembly.
Insert the spring, diaphragm clamp and Refitting and aligning the NC4 locking cover. Tighten the locking cover to Refit the NC4 as described in “Installing an 2.0 Nm (1.48 lb.ft). NC4 (integral air blast) system” on page Remove the orientation tool.
Servicing – air regulator unit Switch on the air supply and set the pressure Removing and refitting filter as described in “Setting the NC4 (integral air elements blast) air pressure” on page 36. Regularly inspect the filter elements. They should be replaced when dirty or wet and at least once each year.
Refit the regulator head and tighten to 7.7 Nm (5.68 Ibf.ft). Switch on the air supply and set the pressure as described in “Setting the NC4 (integral air blast) system air pressure” on page 36. NOTE: Items shown within dotted boxes A and B are included in the air filter service...
Parts list – NC4 hard-wired unit assemblies NC4 hard-wired unit assemblies. Supplied with: • Integral air blast • Mounting and adjuster plate • Ø6.0 mm (0.24 in) × 5.0 m (16.40 ft) air tube • Laser warning sign • Ø6.0 mm (0.24 in) × 12.5 m (41.01 ft) •...
Parts list – NC4 hard-wired 90° unit assemblies NC4 hard-wired 90° unit assemblies. Supplied with: • Integral air blast • Ø3.0 mm (0.12 in) × 5.0 m (16.40 ft) air tube (× 2) • Ø6.0 mm (0.24 in) × 5.0 m (16.40 ft) air tube •...
Parts list – NC4 unit with connector assemblies NC4 unit with connector assemblies. Supplied with: • Integral air blast • Laser warning sign • Ø6.0 mm (0.24 in) × 5.0 m (16.40 ft) air tube • Installation and maintenance guide •...
Parts list – NC4 hard-wired kits NC4 hard-wired kits. Supplied with: • Integral air blast • Hexagonal wrenches (2 mm, 2.5 mm and • Ø6.0 mm (0.24 in) × 5.0 m (16.40 ft) air tube 3 mm) • Ø6.0 mm (0.24 in) × 12.5 m (41.01 ft) •...
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Parts list – NC4 hard-wired kits (continued) Type Part number Description NC4+ F115 kit A-6270-3000 F115+ kit with hard-wired cable NC4+ F115 (raised) kit A-6270-3100 F115+ kit with raised columns and hard-wired cable NC4+ F145 kit A-6270-3200 F145+ kit with hard-wired cable...
Parts list – NC4 hard-wired 90° kits NC4 hard-wired 90° kits Supplied with: • Integral air blast • Pin spanner • Ø6.0 mm (0.24 in) × 5.0 m (16.40 ft) air tube • Hexagonal wrenches (2 mm, 2.5 mm and •...
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Parts list – NC4 hard-wired 90° kits (continued) Type Part number Description NC4+ F115 kit 90° A-6270-3020 F115+ kit with 90° fitting and hard-wired cable NC4+ F115 (raised) kit 90° A-6270-3120 F115+ kit with raised columns, 90° fitting and hard-wired cable NC4+ F145 kit 90°...
Parts list – NC4 with straight connector kits NC4 with straight connector kits. Supplied with: • Integral air blast • Pin spanner • Ø6.0 mm (0.24 in) × 5.0 m (16.40 ft) air tube • Hexagonal wrenches (2 mm, 2.5 mm and •...
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Parts list – NC4 with straight connector kits (continued) Type Part number Description NC4+ F115C kit A-6270-3010 F115+ kit and cable with straight connector NC4+ F115C (raised) kit A-6270-3110 F115+ kit with raised columns and cable with straight connector NC4+ F145C kit...
Parts list – NC4 with 90° connector kits NC4 with 90° connector kits. Supplied with: • Integral air blast • Pin spanner • Ø6.0 mm (0.24 in) × 5.0 m (16.40 ft) air tube • Hexagonal wrenches (2 mm, 2.5 mm and •...
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Parts list – NC4 with 90° connector kits (continued) Type Part number Description NC4+ F115C kit 90° A-6270-3030 F115+ kit and cable with 90° connector NC4+ F115C (raised) kit 90° A-6270-3130 F115+ kit with raised columns and cable with 90° connector NC4+ F145C kit 90°...
Parts list – NC4 accessories Type Part number Description Adjuster pack A-6270-0302 Replacement adjuster pack for fixed system NCi-6 interface kit A-6516-2000 NCi-6 interface and box with DIN rail mounting and two terminal blocks Conduit (GP18) per metre M-6270-0278 Conduit for hard-wired integral air blast systems (GP18).
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Parts list – NC4 accessories (continued) Type Part number Description Cable with connector assembly A-6270-0495 12.5 m (41.01 ft) cable with 90° connector and (90° with conduit) 4.0 m (13.12 ft) of GP9 conduit, O-clip and P-clips (× 2) Hard-wired 90° conversion kit...
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3 mm), bootlace ferrule (× 12), cleaning swab (× 2), cleaning tool, orientation tool Rotary cover M-4114-0130 Manually rotatable cover to block the laser beam NC4 set-up tool A-4114-8000 Battery operated tool used for setting up the NC4 system Battery P-BT03-0007 Battery for NC4 set-up tool...
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Parts list – NC4 accessories (continued) Type Part number Description Air assembly kit A-2253-5120 Filter/regulator Ø4.0 mm (0.16 in) × 25.0 m (82.02 ft) air tube Ø4.0 mm (0.16 in) T-fitting Nylon tube Ø3.0 mm (0.12 in) P-PF26-0014 Ø3.0 mm (0.12 in) by the metre Nylon tube Ø4.0 mm (0.16 in) P-PF26-0010...
Parts list – software For available software see the Probe software for machine tools – programs and features (Renishaw part no. H-2000-2298). For more information see www renishaw.com. Machine tool apps NC4 is supported by Smartphone and on-machine apps. Smartphone apps provide information at a user’s fingertips in a simple, convenient format. Available globally in a wide range of languages, our free-of-charge apps are perfect for new and less experienced users.
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