Leister Uniplan Wedge Manuale utente

LEISTER Uniplan Wedge

Hot wedge Automatic Welding Tool

Read the operating instructions carefully before use and

keep for future reference.

OPERATING INSTRUCTIONS

LEISTER Uniplan Wedge

Hot Wedge Automatic Welding Tool

•Overlap and tape welding of coated fabric covers, foils and geomembrane

liners made from PVC-P, PE, ECB, CSPE, EPDM, PVDF etc, PE coated tape fabric

for lorries, tents, agricultural covers, building trade, biotopes, swimming pools,

marquees, boat covers, inflatable boats, advertising billboards etc.

Welding seam width 20 or 30 mm

APPLICATION

LEISTER Process Technologies, Riedstrasse, CH-6060 Sarnen/Switzerland

Tel. +41 41 662 74 74 Fax +41 41 662 74 16

www.leister.com [email protected]

Voltage V~

Frequency Hz

Power consumption W

Temperature °C

Noise level LpA(dB)

Drive speed m/min.

Dimensions mm

Weight kg

TECHNICAL DATA

230 ★120 ★100 ★

50 / 60 50 / 60 50 / 60

900 900 900

max. 420 max. 420 max. 420

70 70 70

1.0 – 7.5 1.0 – 7.5 1.0 – 7.0

420×270×210 420×270×210 420×270×210

11.5 11.5 11.5

★Connection voltage not switchable

CCA certified

Protection Class Ι

Approval Marks

Danger! Unplug the tool before opening it, as live compo-

nents and connections are exposed.

Incorrect use of hot air tools can present a fire and explo-

sion hazard, particularly in the proximity of flammable

materials and explosive gases.

The tool must be operated under supervision.

Heat can ignite flammable materials which are not in view.

For personal protection, we strongly recommend the tool

to be connected to an RCCB (Residual Current Circuit

Breaker) before using it on construction sites.

The rated voltage stated on the tool must correspond with

the mains voltage.

Danger of getting burned! Do not touch the end of the

heater tube and nozzle when they are hot. Let the tool

cool down. Do not point the hot air flow in the direction of

people or animals.

Protect the tool from damp and wet.

230

120

WARNING

CAUTION

Connect tool to a receptacle with protective earth terminal.

Any disconnection of the protective conductor in or outsi-

de the tool is dangerous!

Only use extension lead with protective conductor.

Laser radiation! Do not look into the beam, Laser Class 2.

TOOL DESCRIPTION LEISTER Uniplan Wedge

Main components

1. Housing

2. Carrying handle

3. Extra weight

4. Base plate

5. Mains cable

6. Hot wedge

7. Connection hose

8. Drive/pressure roller

9. Pinch roller

10. Drive roller

11. Steering roller

12. Lifting device

13. Display

14. Thread for fixing 22 mm tape

dereeling device

15. Holding arm

Operating components

16. Main switch

17. Keyboard

18. Lifting device lever

19. Swivel lever

20. Fixing screw

21. Adjusting screw

22. Track adjustment screw

Steering equipment

23. Guide roller lever

24. Guide roller knob

25. Guide roller

26. Guide cover

26 25 23 24

21 8

16 2

Figure 1

Hot wedge

Direction of weld

Upper membrane

Pinch roller

Lower membrane

Cross-section of hot wedge system

Drive/pressure roller

•Drive speed → continuously adjustable and electronically controlled. The

control circuit is configured such that the desired welding speed remains

constant during any voltage fluctuations. The drive/pressure roller (8) is

configured as a pendulum roller.

•Welding pressure → the welding pressure is brought to bear on the material

by means of the machine’s weight and the extra weight (3) via the

drive/pressure roller (8).

•Heating system → the hot wedge temperature is continuously adjustable and

electronically controlled. Depending on the material, the hot wedge position

can be sent to any required horizontal position.

FUNCTION DESCRIPTION LEISTER Uniplan Wedge

Figure 2

Heater Cursor flashes

on display

Welding temperature

Adjust the welding temperature using the keys, , . The temperature

setting depends on the material and ambient temperature. The SET value is

shown on the display.

Press keys and simultaneously to switch heater on.

Heating up time is appr. 5 minutes.

–

ON/OFF

SET - value adjustment

–+

WELDING PARAMETERS LEISTER Uniplan Wedge

Drive

ON/OFF

SET - value adjustment

–+

WELDING– PARAMETERS LEISTER Uniplan Wedge

Welding speed

Adjust welding speed using keys, , , depending on the material to be

welded and the ambient temperature.

The SET value is shown on display (13).

+–

Hot wedge welding position

•Depending on the material thickness, pre-adjust the position of the hot wedge

(6) in relation to the drive/pressure roller (8) in accordance with Fig 2, Page 4.

•Procedure

– Loosen fixing screw (20)

– Using adjusting screw (21), adjust the position of the hot wedge in relation to

the drive/pressure roller. (One complete turn = 1.25 mm)

– Push holding arm (15) up to the stop in the direction of the hot wedge.

– Tighten fixing screw (20).

-Tracking correction of the drive/pressure roller

•Tracking control should be carried out using the track

adjustment screw (22), see functional directions on the

lifting device (12).

•Carry out test run.

Display 2 Drive

100 % • Reduced mains voltage

100 % • High welding speed with heavy torque loading

Display 4 Heating after warm up time

100 % • Reduced mains voltage

100 % • Heating cartridge fault (Contact Service Centre)

Control level Display/cause

WELDING LEISTER Uniplan Wedge

Main level (SET & ACTUAL value)

Main switch (3) ON

Control level (ACTUAL value and power requirement)

–

& &

1 3

Heating active

Control of the welding process by means of the power requirement display

(main level or control level)

Display Drive/Heating

Number Main level Control level

1Speed ACTUAL value ACTUAL value

2Speed SET value % power

3Temperature ACTUAL value ACTUAL value

4 Temperature SET value % power

Main switch (3) ON

Heating/drive active

Fig. A

Führungsrolle deaktiv

Fig. B

24 25 23

Fig. C

Fig. D

Fig. E

WELDING LEISTER Uniplan Wedge

Weld preparation

•Spread the weld material on a clean and level surface.

•The material to be welded must be dry and clean between the overlaps.

•The overlap width should be set as follows:

– Heating wedge 20 mm = overlap width 23 mm

– Heating wedge 30 mm = overlap width 31 mm

•The material must be stretched out tightly and fixed.

Preparing for use

•Hook extra weight (3) onto base plate (4).

•Swing hot wedge (6) upwards using swivel lever (19) and engage, (Fig. A).

•Set guide roller (25) to position "Inaktiv" (inactive) by means of guide roller

knob (24) and guide roller lever (23), (Fig. B).

•Operate lifting device (12) by means of lifting device lever (18) so that

drive/pressure roller (8) and drive roller (10) are at no-load, (Fig. C).

•Raise pinch roller (9), (Fig. D).

•Drive/pressure roller (8) should be positioned parallel to the edge of guide

roller (25). See Page 5 for drive/pressure roller (8) track correction.

•Connect tool to mains. Mains voltage must correspond with tool voltage.

•Switch tool on using main switch (16).

•The upper and lower surfaces of the hot wedge (6)

must be cleaned after each weld run, using a fine

brass wire brush (Fig. E)

OPERATION LEISTER Uniplan Wedge

Tool positioning

•Place automatic welder onto the overlap of material to be welded.

•Guide cover (26) or laser guide (optional extra) should be lined up with over-

lap edge of the material to be welded (Fig. E).

•Drive/pressure roller (8) should protrude over overlap edge of the material to

be welded by about 2 mm (Fig. E).

•If welding takes place with guide roller (25) in position, then set guide roller

lever (23) to "aktiv" (active) and engage (Fig. F).

•Operate lifting device (12) by means of lifting device lever (18) so that the

automatic welder is ready to move (Fig. G).

Fig. E

Fig. F

23 24

Fig. G

Welding process

•Set welding parameters, see Pages 4 and 5.

• Allow welding temperature to be reached, Display 3, see Page 6.

•Position hot wedge (6) using swivel lever (19) between the materials to be wel-

ded (Fig. H).

The welding process will start automatically via automatic drive.

•Carry out test weld in accordance with the material manufacturer's welding

instructions and national guidelines or regulations.

•Check welding process. If necessary, correct welding parameters, see Pages

4 and 5.

•After weld run, swing hot wedge (6) out and up to the stop using swivel lever

(19), raise up and engage (Fig. A).

The welding process will stop automatically.

•Operate the lifting device (12) by means of lifting device lever (18) so that

drive/pressure roller (8) and drive roller (10) are at no-load (Fig. C).

• The upper and lower surfaces of the hot wedge (6) must be cleaned after

each weld run, using a fine brass wire brush (Fig. E).

•Switch off tool at main switch (16).

•Disconnect tool from mains.

Fig. H

WELDING LEISTER Uniplan Wedge

Fig. A

Fig. E

Fig. C

DROUBLE SHOOTING LEISTER Uniplan Wedge

Problem Possible cause Solution

Poor weld strength Wedge temperature too low. Adjust temperature to requi-

red welding temperature

and/or reduce speed.

Hot wedge (6) too far from Move wedge closer to

drive/pressure roller (8).drive/pressure roller (8) using

adjusting screw (21).

Faults at regular intervals Drive/pressure roller (8) Allow tool to travel several

along welded seam out of true having been left meters using motor switch;

in standing position. always lift tool onto lifting

device (12) after weld runs.

Lower membrane ripples Membrane tension too low. Increase membrane (material)

tension.

Hot wedge (6) too close to Remove hot wedge (6) some-

drive/pressure roller (8). what further from drive/

pressure roller (8) using

adjusting screw (21).

Pinch roller (9) may be stiff. Contact authorised Service

Centre.

Edge of weld outside the Incorrect overlap widht Hot wedge / overlap width

seam on the under side of selected. 20mm / 23mm

the upper 30mm / 31mm

The machine tends to the left Connection lead is not Connection lead must run

or right of direction of travel running directly behind tool.

freely behind tool avoiding

The cable may be rubbing rubbing points.

against table edge.

The adjustment between Check adjustment between

guide cover (26) and guide guide cover (26) and guide

roller (25) has shifted. roller (25) using ruler, re-align

guide cover (26) if necessery.

Adjusting screws on See Page 5 for drive/pressure

drive/pressure roller (8) are roller (8) track correction or

out of adjustment. contact authorised Service

Centre.

Power control: heater/drive

Control of the welding process and fault recognition by means of power

requirement display (see Page 6).

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