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Use and maintenance manual

Sidewall and ropes welding machine

Model: LRBW-150

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P a g . 4

Description:

Continuous longitudinal profile and sidewall welder for conveyor belts using a jet of hot air at

the point of intersection of the two materials. Fitted with speed, temperature and pressure

controls for different types of material.

Technical Characteristics:

Dimensions

2740x1200x1670 mm (LxWxH)

Weight

738 kg

Max. Belt Width

1500 mm

Min. continuous operation

850 mm

Pulley diameter

100 mm

Max. Belt Thickness

8 mm

Motor

0.25 kW

Leister Welder

1600 X 2 and 3400W X2

Standard equipment:

•

One motor frame

•

Two welding ropes heads

•

Two welding sidewall units

•

Four chains with pins 2x25 and 2x70

•

Pulleys 10x6 / 13x8 / 17x11 (two sets)

Warnings and safety

−

ERM Engineering recommends the users of this machine to fully read this user’s manual

prior to its use to guarantee safe work.

−

It also advises and recommends equipment not being used by unqualified staff who have
not received prior training from ERM Engineering

−

A copy of this manual delivered along with the machine must always remain at hand during

its use, both for the production operators as well as the maintenance managers.

NOTE: ERM Engineering shall not be held liable under any case for damage caused by

undue or improper use of this equipment.

−

Any repairs or modification of the machine performed by personnel not qualified by ERM

Engineering or use of non-original spare parts provided by persons unrelated to the
company, shall give rise to loss of the manufacturer’s guarantee.

−

During use of the machinery and industrial use, people are subject to the risk of damage or

injury by mechanical elements in linear or gyrating movement, high voltage electric

components and static components under high temperature, due to which, during design

Содержание LRBW-150

Страница 1: ...inal Use and maintenance manual Type Sidewall V Guide welder Model LRBW 150 IMPORTANT Read this user manual and follow the instructions and warnings before operating this device Any modification or transformation performed on this machine may cause loss of the manufacturer s guarantee and liability This manual must always remain near to the machine and visible to all the operating and maintenance ...

Страница 2: ...______________ P a g 2 Index Page CE Declaration of conformity 3 Description 4 Technical Characteristics 4 Standard equipment 4 Warnings and safety 4 Installation and start up 5 Electrical Connection 7 Operation for V Guides 7 Load the belt inside machine 11 Operation for sidewalls 18 Replace the belt pins and pulleys 19 Care and maintenance 27 Electrical drawings 29 Spare parts 33 ...

Страница 3: ...acturer date 2021 Inspired by the directives of the Official Journal of the European Communities 2006 42 CE Machinery Directive 2014 35 UE Low Voltage Directive 2014 30 UE Electromagnetic Compatibility Directive Complies with the design and construction specifications of the European Standards on General Machine Safety EN 349 EN 614 1 EN 614 2 EN 12100 EN 11161 1 EN 1005 1 EN 1005 2 EN 1005 3 EN 1...

Страница 4: ...ety ERM Engineering recommends the users of this machine to fully read this user s manual prior to its use to guarantee safe work It also advises and recommends equipment not being used by unqualified staff who have not received prior training from ERM Engineering A copy of this manual delivered along with the machine must always remain at hand during its use both for the production operators as w...

Страница 5: ...Engineering has aimed to reduce and minimise those risks by including protection devices and safety systems based on the European Community Council Directives Pay special attention to the following danger prohibition and obligation signs located at different places on the machinery Installation and start up Site the machine in well ventilated places or under a fume exhaust hood IMPORTANT Fix the f...

Страница 6: ...___ P a g 6 THE FUMES PRODUCED WHEN WELDING SOME MATERIALS ARE TOXIC AND MAY CAUSE IRRITATION OF THE RESPIRATORY TRACT Place the welder in such a way to simplify placement and removal of continuous belts on the open side of the machine frame Allow sufficient free space for movement of material Fix the tension rails on floor always centred with motor drum Always 1000mm between centre of rails ...

Страница 7: ... a g 7 Electrical Connection Connect the machine to a suitable single phase 1 X 230 V power supply bearing in mind the power consumption 7000 W It must also be connected to a compressed air supply through the input tube 10mm internal diameter to input between 5 and 8 bar Operation for V Guides To use the machine for V guides is necessary to remove the sidewall heads and assemble the V guides unit ...

Страница 8: ...__________________________________________________________________________________________ P a g 8 To disassemble the sidewall heads Relax the sidewall belts turning the handler 90º to take out the cardan shaft Pull the cardan transmission out the pulleys Disconnect the pulley motor socket and encoder cable ...

Страница 9: ...BW 150 _______________________________________________________________________________________________________________________ P a g 9 Loosen the feet handlers to remove the sidewall brackets lifting them from the base and pulling them out Lift the arm 20 30mm and remove ...

Страница 10: ...____________________________________________________________________________________________________________ P a g 1 0 After removing these two units assemble the V guide unit as seen here fixing two knobs in both sides Next 1 Connect the air supply 2 Both Leister unit cable in down socket ...

Страница 11: ..._____________________________________ P a g 1 1 Select and change if necessary the pulley corresponding to the profile to be processed by the machine Load the belt inside machine Before load the belt it is important to separate the measuring wheel to avoid breakage of the system Open the bracket of drum to introduce the corresponding bushings and endless belt ...

Страница 12: ...__________________________________________________________________ P a g 1 2 Close the bracket again and fix with knob to close the frame using plate to prevent any movement or deformation caused by the pressure of pulleys or belt tension No tension the belt without bracket complete closed No open this bracket with belt tensioned ...

Страница 13: ..._______________________________________ P a g 1 3 Place the belt on the welding table and centre the side guides so that the belt advances evenly and without any side travel It is also possible to move the welding carriage by loosening the holding bolt Once the belt is placed in position tension the belt using the winch Now we can attach the measuring wheel ...

Страница 14: ... 4 We recommend starting the motor at maximum speed to centre the belt during tension operation to facilitate positioning To start the motor Turn on the electrical box rotating the red switch and pressing the blue button to RESET After turning on the electrical box press START button and adjust the speed with potentiometer For V guides sidewall switch OFF in left position and FORW REV in right pos...

Страница 15: ...5 Start the Leister welder by pressing the black button located on the rear and adjust the temperature using the knob of Leister depending on the type of weld to be performed NOTE For perfect welding the welder should be pre heated for about 3 minutes before starting to work Introduce one end of the profile into the rear of the machine until completing one turn of the welding pulley as shown in th...

Страница 16: ...el to start the motor During the welding process it is always possible to change any of the three settings temperature belt speed and pulleys pressure Also you can adjust the distance or hight of nozzle Change the position of the welder by first loosening the screws and then tightening them again once it is adjusted All these settings have a direct effect on the quality of the weld so a test shoul...

Страница 17: ...nly becomes effective on operating the pulley drive system even though it only affects the welding pulley NOTE Check the weld by attempting to pull the welder joint apart It should not come apart cleanly that is without tearing If this test is to be performed on a profile welded to fabric wait at least 12 hours to allow the components of the size to set before performing the test Normally the size...

Страница 18: ...t to operate for about 5 minutes to cool the heater element NOTE Not completing this cooling process that is turning off the blower when the heater element is still hot could cause the heater element to fuse because of the increased temperature inside the tube Operation for sidewalls Remove the ropes welder device to remove this one disconnect the air tube and lose the two handles in both sides Di...

Страница 19: ..._______________________ P a g 1 9 Choose the set of chain with correct height The machine was delivered with two sets of pins belts and two sets of pulleys PVC and PU The low pins for side wall 35 40 50 60mm The high pins for sidewall 80 100mm Replace the belt pins and pulleys To replace the belt pins first pull the encoder bracket and fix with the bolt to separate of belt ...

Страница 20: ...del LRBW 150 _______________________________________________________________________________________________________________________ P a g 2 0 After this untense the belt rotating the handler 90º to up Take out the motor shaft with belt relaxed Them remove the belt ...

Страница 21: ..._________ P a g 2 1 To replace the motor pulleys loosen the black knob three or four turns and take out the pulley This knob is to prevent the pulley from falling to the ground without the belt Assemble the new pulleys but always with the black mar symmetrical as shown in the picture this way the sidewall will be symmetrical geometry with the bearing in both sides and fix the knob again ...

Страница 22: ...____________________________________________________________ P a g 2 2 When new pulleys are installed introduce the belt after tensioning the belt check that the bolts of pins are inside the pulley holes To tension or slacken the belt turn 90º lap the handle Once the new belts are installed put the encoder in contact with the belt again ...

Страница 23: ...adjust the width and fix the heads tighten the bottom knobs at the right measure NOTE The measure is always the center of the wave Once the heads are fixed in correct position insert the transmission shaft the two pulleys until connect to the arm transmission when the shaft is inserted in the two pulleys rotate the pulleys until they coincide with the motor shaft mark and insert it up to the line ...

Страница 24: ...__________________________________________________________________________________________________________ P a g 2 4 1 The height of heads rotating 2 The Leister height the top handles Then load the belt in centre of drum and tension Select the buttons SIDEWALL and FORW REV to right position ...

Страница 25: ...and sidewall motor with green button minimum during 5 seconds to automatic synchronize both speeds NOTE When starting the machine the PLC makes a pattern to synchronize the linear speeds of both encoders Load the sidewall in both belts and forward until sidewall are just down the belt to adjust the height of chains Depending on the pressure that we want we UP or DOWN the wheel Then we can assemble...

Страница 26: ...________________________________________________________________________________________________________ P a g 2 6 During welder operation we can adjust the proximity of nozzle with this bolt Turn the Leister as out as possible of the belt and press the black wheel for 5 seconds to preheat it ...

Страница 27: ...ix the Leister with black knob We recommend adjusting the speed between 0 05 and 0 06 and temperature 340 380ºC Caudal between 20 and 30 For operation with PU belts we also recommend using the air cooling nozzles open the air valve Care and maintenance Because various chemical components are used during the welding process there is an accumulation of highly corrosive waste in the welding area roll...

Страница 28: ...always closed to prevent any deformation of the structure Always make sure the black intake grille on the rear of the Leister is clean if it is blocked this would reduce the air flow rate and alter the weld quality Protect the pulleys from knocks that could mark or damage their profiles as they would cause imperfections in the welding In the event of unusual noises in the welder check the conditio...

Страница 29: ...nd ropes welding machine Model LRBW 150 _________________________________________________________________________________________________________________________________________________________________________ P a g 2 9 Electrical drawings ...

Страница 30: ...Sidewall and ropes welding machine Model LRBW 150 _________________________________________________________________________________________________________________________________________________________________________ P a g 3 0 ...

Страница 31: ...Sidewall and ropes welding machine Model LRBW 150 _________________________________________________________________________________________________________________________________________________________________________ P a g 3 1 ...

Страница 32: ...Sidewall and ropes welding machine Model LRBW 150 _________________________________________________________________________________________________________________________________________________________________________ P a g 3 2 ...

Страница 33: ...ll and ropes welding machine Model LRBW 150 _________________________________________________________________________________________________________________________________________________________________________ P a g 3 3 Spare parts ...

Страница 34: ...Sidewall and ropes welding machine Model LRBW 150 _________________________________________________________________________________________________________________________________________________________________________ P a g 3 4 ...

Страница 35: ...Sidewall and ropes welding machine Model LRBW 150 _________________________________________________________________________________________________________________________________________________________________________ P a g 3 5 ...

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