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         Use and maintenance manual 

         Longitudinal profile welding  

  

         Model: LRW-130 

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Description: 

 
Continuous longitudinal profile 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. 
 

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Technical Characteristics: 

 

Dimensions 

1980x700x1400 mm (LxWxH) 

Weight 

148 kg 

Max. Belt Width 

1300 mm 

Min. continuous operation 

960 mm 

Pulley diameter 

100 mm 

Max. Belt Thickness 

8 mm 

Motor 

0.25 kW 

Leister Welder 

3750W 

 

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Standard equipment: 

 

 

Two welding heads 

 

Two pulleys 10x6 / 13x8 / 17x11 

 

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Optional equipment: 

 

 

Other pulleys under order   

 

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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. 

 

Summary of Contents for LRW-130

Page 1: ...and maintenance manual Type Longitudinal profile welding 1300 mm Model LRW 130 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 maintenan...

Page 2: ...______________________________________ P a g 2 Index Page CE Declaration of conformity 3 Description 4 Technical Characteristics 4 Standard equipment 4 Optional equipment 4 Warnings and safety 4 Installation and start up 5 Electrical Connection 5 Using instructions 6 Care and maintenance 11 Electrical drawings 12 Pneumatic drawings _ 13 Spare parts 14 ...

Page 3: ... 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 1005 4 EN 138...

Page 4: ...wo pulleys 10x6 13x8 17x11 Optional equipment Other pulleys under order 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 ...

Page 5: ...ed on the European Community Council Directives Installation and start up Site the machine in well ventilated places or under a fume exhaust hood 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 sp...

Page 6: ...____________________________ P a g 6 Using instructions Select and change if necessary the pulley corresponding to the profile to be processed by the machine 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 A ...

Page 7: ...e of the pulleys Start the Leister welder by pressing the black wheel located on the rear and adjust the temperature rotating this wheel NOTE For perfect welding the welder should be pre heated until the temperature digits will be fixed Introduce one end of the profile into the rear of the machine until completing one turn of the welding pulley as shown in the photo Lower the pulleys using the dri...

Page 8: ... welding process it is always possible to change any of the three settings temperature speed and pressure All of these settings have a direct effect on the quality of the weld so a test should be performed before welding the belt just to make sure all the settings are correct The position angle and proximity of the welder is also very important for the temperature setting Increasing the distance o...

Page 9: ...trol potentiometer S has immediate results Adjust the pressure by moving the pressure control knob located on the piston of the welding pulley G this adjustment only 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 welded joint apart It should not come apart cleanly that is without tearing If this te...

Page 10: ...t 45º Continue welding to this point and then stop the forward drive motor while at the same time pressing the control to withdraw the Leister After overlapping the weld and once the profile has cooled cut it and form the excess to match the original shape Shut the welder down by adjusting the temperature of the Leister to 0 and allowing it to operate for about 5 minutes to cool the heater element...

Page 11: ...ct operation Do not grease or lubricate any component of the machine These components are self lubricated and the mixture of different lubricants could cause jamming or seizing Make sure the machine frame is 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 ...

Page 12: ...dinal profile welding Model LRW 130 _________________________________________________________________________________________________________________________________________________________________________ P a g 1 2 Electrical drawings ...

Page 13: ...dinal profile welding Model LRW 130 _________________________________________________________________________________________________________________________________________________________________________ P a g 1 3 Pneumatic drawings _ ...

Page 14: ...gitudinal profile welding Model LRW 130 _________________________________________________________________________________________________________________________________________________________________________ P a g 1 4 Spare parts ...

Page 15: ...al Longitudinal profile welding Model LRW 130 _________________________________________________________________________________________________________________________________________________________________________ P a g 1 5 ...

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