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Troubleshooting

26

04.00 | LGZ | Assembly and Operating Manual | en | 389192

5 Troubleshooting

5.1 Product is not moving

Possible cause

Corrective action

Base jaws jam in housing, e.g. mounting 
surface is not sufficiently even.

Check the evenness of the mounting surface.

Mechanical connection

 [

}

 18]

Loosen the mounting screws of the product
and actuate the product again.

Pressure drops below minimum.

Check air supply.

Pneumatic connection

 [

}

 19]

Compressed air lines switched.

Check compressed air lines.

Pneumatic connection

 [

}

 19]

Proximity switch defective or set incorrect.

Readjust or change sensor.

Unused air connections open.

Close unused air connections.

Flow control valve closed.

Open the flow control valve.

Component part defective.

Replace component or send it to SCHUNK
for repair.

5.2 The module does not travel through the entire stroke?

Pneumatic connection

 [

}

 19]

Mechanical connection

 [

}

 18]

5.3 Module opens or closes abruptly?

Possible cause

Corrective action

Compressed air lines are blocked

Check the compressed air lines for crushing
or damage.

Mounting surface is not even enough

Check the levelness of the bolting surface.

Flow control valve is missing or not set 
correctly

Install and adjust flow control valve.

Load too high

Review permissible weight and length of the
jaws.

Mechanical connection

 [

}

 18]

Содержание LGZ 16

Страница 1: ...Translation of the original manual Assembly and Operating Manual LGZ 3 Finger Centric Gripper ...

Страница 2: ...rations for the purpose of technical improvement Document number 389192 Version 04 00 19 11 2018 en SCHUNK GmbH Co KG All rights reserved Dear Customer thank you for trusting our products and our family owned company the leading techno logy supplier of robots and production machines Our team is always available to answer any questions on this product and other solutions Ask us questions and challe...

Страница 3: ...9 2 6 Ambient conditions and operating conditions 9 2 7 Personnel qualification 9 2 8 Personal protective equipment 10 2 9 Notes on safe operation 11 2 10 Transport 11 2 11 Malfunctions 11 2 12 Disposal 12 2 13 Fundamental dangers 12 2 13 1 Protection during handling and assembly 12 2 13 2 Protection during commissioning and operation 13 2 13 3 Protection against dangerous movements 13 2 13 4 Prot...

Страница 4: ...el through the entire stroke 26 5 3 Module opens or closes abruptly 26 5 4 Gripping force is dropping 27 5 5 Magnetic switch does not work 27 5 6 Product does not achieve the opening and closing times 27 6 Maintenance 28 6 1 Maintenance and care 28 7 Translation of original declaration of incorporation 29 8 Annex to Declaration of Incorporation 30 ...

Страница 5: ...is manual Illustrations in this manual are provided for basic understanding and may differ from the actual product design In addition to these instructions the documents listed under Ap plicable documents 6 are applicable 1 1 1 Presentation of Warning Labels To make risks clear the following signal words and symbols are used for safety notes DANGER Danger for persons Non observance will inevitably...

Страница 6: ...uct is used as intended the warranty is valid for 24 months from the ex works delivery date under the following con ditions Observe the specified maintenance and lubrication intervals Observe the ambient conditions and operating conditions Parts touching the workpiece and wear parts are not included in the warranty 1 3 Scope of delivery The scope of delivery includes 3 finger centric gripper LGZ i...

Страница 7: ...ype Programmable magnetic switch with two switching points MMS P Exact type designation of the compatible sensors see catalog If you require information on sensor operation contact your SCHUNK contact person or download information from our homepage www schunk com For mounting the sensors mounting kits are partly necessary ...

Страница 8: ...r industrial and industry oriented use Appropriate use of the product includes compliance with all in structions in this manual 2 2 Not intended use It is not intended use if the product is used for example as a pressing tool stamping tool lifting gear guide for tools cutting tool clamping device or a drilling tool Any utilization that exceeds or differs from the appropriate use is regarded as mis...

Страница 9: ...es considerable material damage and or a significant reduction to the product s life span Make sure that the product is used only in the context of its defined application parameters Technical data 16 Make sure that the product is a sufficient size for the applica tion Make sure that the environment is free from splash water and vapors as well as from abrasion or processing dust Exceptions are pro...

Страница 10: ...our Service personnel of the manufacturer Due to its technical training knowledge and experience service personnel of the manufacturer is able to perform the delegated tasks and to recognize and avoid possible dangers 2 8 Personal protective equipment Use of personal protective equipment Personal protective equipment serves to protect staff against danger which may interfere with their health or s...

Страница 11: ...ention and environ mental protection regulations regarding the product s applica tion field 2 10 Transport Handling during transport Incorrect handling during transport may impair the product s safety and cause serious injuries and considerable material dam age When handling heavy weights use lifting equipment to lift the product and transport it by appropriate means Secure the product against fal...

Страница 12: ...e system If the energy supply is connected do not move any parts by hand Do not reach into the open mechanism or movement area of the product during operation 2 13 1 Protection during handling and assembly Incorrect handling and assembly Incorrect handling and assembly may impair the product s safety and cause serious injuries and considerable material damage Have all work carried out by appropria...

Страница 13: ... material damage human access to the movement range of the machine must be restricted Limit prevent accidental access for people in this area due through technical safety measures The protective cover and protective fence must be rigid enough to withstand the maximum possible movement energy EMERGENCY STOP switches must be easily and quickly accessible Before starting up the machine or auto mated ...

Страница 14: ...can lead to serious injury or death Take appropriate protective measures to secure the danger zone WARNING Risk of injury due to unexpected movements If the power supply is switched on or residual energy remains in the system components can move unexpectedly and cause seri ous injuries Before starting any work on the product Switch off the power supply and secure against restarting Make sure that ...

Страница 15: ...g force maintenance While dis assembling components can move unexpectedly and cause seri ous injuries Disassemble the product cautiously Make sure that no residual energy remains in the system WARNING Risk of injury from objects falling during energy supply failure Products with a mechanical gripping force maintenance can dur ing energy supply failure still move independently in the direc tion spe...

Страница 16: ...rmitted weight per finger kg 0 03 0 08 0 25 Ambient temperature C Min Max 10 90 10 90 10 90 Min Federkraft N without gripping force maintenance with gripping force maintenance AS with gripping force maintenance IS 30 30 150 150 330 330 Closing force N without gripping force maintenance with gripping force maintenance AS with gripping force maintenance IS 120 150 450 600 1140 1470 Opening force N w...

Страница 17: ...n pressure bar without gripping force maintenance with gripping force maintenance 2 4 2 4 2 4 Max pressure bar without gripping force maintenance with gripping force maintenance 8 6 5 8 6 5 8 6 5 Nominal working pressure bar without gripping force maintenance with gripping force maintenance AS with gripping force maintenance IS 6 6 6 6 6 6 6 6 6 More technical data are included in the catalog data...

Страница 18: ...upplies before starting with assembly and adjustments Make sure that no residual energy remains in the system Check the evenness of the bolting surface The values relate to the entire bolting surface Requirements for levelness of the bolting surface Dimensions in mm Diameter Permissible unevenness 100 0 02 100 0 05 Mounting The module can be mounted from the front or the rear Assembly options ...

Страница 19: ...module using the mounting bores Mount the top jaws using the mounting bores provided Use centering sleeves 99 4 2 Pneumatic connection WARNING Risk of injury when machine system moves unexpectedly Switch off power supply before assembly and installation Make sure that no residual energy remains in the system NOTICE Damage to the gripper is possible If the maximum permissible finger weight or the p...

Страница 20: ... using the locking screws from the enclosed pack For hose free direct connections use the two O rings from the enclosed pack Further information on the hose free direct connection contains the catalog data sheet 4 3 Sensors The module is prepared for a number of sensors Other sensors can be used with a mounting kit If you require further information on sensor operation contact your SCHUNK contact ...

Страница 21: ...play 3 LED display 6 Ribs for cable tires brown white black blue Connection diagram PNP 4 conductor MMS P 22 Types available for order see catalog MMS P 22 S M8 PNP MMSK P 22 S PNP V2 M8 4 2XM8 3 The MMSK P 22 S PNP features a cable with open strands so that it can be connected via terminal contacts The V2 M8 4 2XM8 3 distributor is used to convert the 4 pin con nector plug of the MMS P 22 S M8 PN...

Страница 22: ...late made of ordinary steel For ferromagnetic adapter plates The module must be first mounted on the adapter plate Then the position of the magnetic switchs has to be set Ø Push the magnetic switch 10 into the groove until it rests on the back stop 11 if present Ø If no clamping stop is available push in the magnetic switch in accordance with dimension l2 lower edge gripper up to front side sensor...

Страница 23: ... 0 mm LGZ 16 IS 14 3 mm 23 2 mm LGZ 50 IS 33 1 mm 42 0 mm LGZ 32 23 0 mm 31 9 mm LGZ 32 AS 18 0 mm 26 9 mm LGZ 32 IS 23 0 mm 31 9 mm Ø To relieve the cable the electronics have to be fixed in place using cable ties 7 There are ribs 6 in place on the electronics for mounting purposes Ø Turn in the sensor 1 4 OR Push the sensor axially into the slot until it contacts the stop 5 Ø Fix the sensor with...

Страница 24: ...ion a little bit closer than for the automatic mode The trigging point is closer to the switching point At the same time the susceptibility to trouble and damage increases In the mode of the lowest hyster esis an error signal such as jitter or untimely switch off can be avoided if the sensor is protected against all types of disturbances i e by shielding Frequent types of disturbances are change i...

Страница 25: ...aw X 5 mm to X 10 mm 20 of the nominal stroke per jaw X 10 mm 10 of the nominal stroke per jaw Example Product with 7 mm nominal stroke per jaw 7 mm 20 1 4 mm Ø Press the Teach button 4 for 5 seconds LED 1 3 flashes from the second to the fifth second LED 1 goes out after 5 seconds Ø Release the Teach button Ø Move the gripper to the switch off point for switching point 1 position Ø Briefly press ...

Страница 26: ...t incorrect Readjust or change sensor Unused air connections open Close unused air connections Flow control valve closed Open the flow control valve Component part defective Replace component or send it to SCHUNK for repair 5 2 The module does not travel through the entire stroke Pneumatic connection 19 Mechanical connection 18 5 3 Module opens or closes abruptly Possible cause Corrective action C...

Страница 27: ...g and closing times Possible cause Corrective action Compressed air lines are not installed optimally If present Open the flow control couplings on the product to the maximum that the movement of the jaws occurs without boun cing and hitting Check compressed air lines Inner diameters of compressed air lines are of sufficient size in relation to compressed air consumption Keep compressed air lines ...

Страница 28: ...perating Manual en 389192 6 Maintenance 6 1 Maintenance and care The 3 finger Centric gripper LGZ is not intended for maintenance Disassembly for maintenance or repair purposes is not possible A damaged gripper has to be replaced completely ...

Страница 29: ...finger centric gripper LGZ pneumatic ID number 0312930 0312938 The partly completed machine may not be put into operation until conformity of the ma chine into which the partly completed machine is to be installed with the provisions of the Machinery Directive 2006 42 EC is confirmed Applied harmonized standards especially EN ISO 12100 2010 Safety of machinery General principles for design Risk as...

Страница 30: ... overall machine Fulfilled for the scope of the partly completed machine Not relevant 1 1 Essential Requirements 1 1 1 Definitions X 1 1 2 Principles of safety integration X 1 1 3 Materials and products X 1 1 4 Lighting X 1 1 5 Design of machinery to facilitate its handling X 1 1 6 Ergonomics X 1 1 7 Operating positions X 1 1 8 Seating X 1 2 Control Systems 1 2 1 Safety and reliability of control ...

Страница 31: ...ks of uncontrolled movements X 1 4 Required characteristics of guards and protective devices 1 4 1 General requirements X 1 4 2 Special requirements for guards X 1 4 2 1 Fixed guards X 1 4 2 2 Interlocking movable guards X 1 4 2 3 Adjustable guards restricting access X 1 4 3 Special requirements for protective devices X 1 5 Risks due to other hazards 1 5 1 Electricity supply X 1 5 2 Static electri...

Страница 32: ... from Annex 1 is to be supplemented from here forward 2 Supplementary essential health and safety requirements for certain categories of machinery X 2 1 Foodstuffs machinery and machinery for cosmetics or pharmaceutical products X 2 2 Portable hand held and or guided machinery X 2 2 1 Portable fixing and other impact machinery X 2 3 Machinery for working wood and material with similar physical cha...

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