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OPERATING INSTRUCTIONS
GB
LEISTER Twinny T
Combination wedge automatic
hot air welding machine
Please read operating instructions carefully before use and
keep for further reference.
APPLICATION
The LEISTER Twinny T is a combination wedge automatic hot air welding machine
for overlap welding and manufacturing of films and geomembrane liners in
tunnels as well as in earthwork and civil engineering. The heat transmission
occurs through optimum combination of contact and hot air.
Type
Heating System
combination
Civil engineering
wedge long
Tunnel
tube nozzle
construction
• Overlap
• Type of seam
LEISTER Process Technologies, Riedstrasse, CH-6060 Sarnen / Switzerland
Tel. + 41 41 662 74 74 Fax + 41 41 662 74 16
Type of Material
PE - HD, PE - C, PFA, PD, PP
PVC - P, PE - LD, ECB, EVA
PE - HD, PE - C, PFA, PD, PP
short
PVC - P, PE - LD, ECB, EVA
max. 125 mm / 5 inch
Welding seams are produced in accordance with
DVS 2225 part I and BAM. Other dimensions are possible
on request
DVS: German Welding Association
BAM: Federal Institute for Materials Research and Testing, Berlin.
Material Thickness
0,8 – 2,0 mm
1,0 – 3,0 mm
0,3 – 1,0 mm
0,3 – 2,0 mm
www.leister.com
/ 32 – 80 mil
/ 40 – 120 mil
/ 12 – 40 mil
/ 12 – 80 mil
sales@leister.com
®
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Table of Contents
Related Manuals for Leister Twinny T
Summary of Contents for Leister Twinny T
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Page 1: Operating Instructions
APPLICATION The LEISTER Twinny T is a combination wedge automatic hot air welding machine for overlap welding and manufacturing of films and geomembrane liners in tunnels as well as in earthwork and civil engineering. The heat transmission occurs through optimum combination of contact and hot air. -
Page 2: Technical Data
WARNING Danger ! Unplug the tool before opening it as live com- ponents and connections are exposed. Incorrect use of the hot air tool can present a fire and explosion hazard especially near combustible materials and explosive gases. Do not touch the element housing and hot wedge when hot as they can cause burns. -
Page 3: Description Of Functions
DESCRIPTION OF FUNCTIONS LEISTER Twinny T → • Heating system The hot air temperature is steplessly adjustable and electro- nically controlled. The heat transmission occurs with optimum combination of all the advantages of contact hot air. The flexible combination wedge con-... - Page 4 Description of tool LEISTER Twinny T Frontal view Back view...
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Page 5: Welding Parameters
Description of tool LEISTER Twinny T 1. Cable to mains 17. Travelling wheel 18. Combination wedge 2. Housing for drive motor and electronics 3. Main switch 19. Pinch roller 4. Keyboard 20. Guide roller 21. Rear travelling wheel 5. Display 6. - Page 6 WELDING PARAMETERS LEISTER Twinny T Welding temperature – Set the welding temperature with the keys. The temperature is dependent on the material and the ambient temperature. The in-put SET value will be shown on the display. Switch the heating on by pressing the keys simultaneously.
- Page 7 WELDING LEISTER Twinny T Version: Standard Memory card Main – Level main switch (3) ON Control – Level – & & main switch (3) ON Welding process control and Display no. Level fault finding by displaying the Drive/heating Main Control power consumption.
- Page 8 WELDING LEISTER Twinny T Welding procedure • Check: – Drive rollers/pressure rollers (22/23) as well as the combination wedge (18) must be clean before engaging with the geomem- brane liner or foil. – Mains cable length/cable guide – Cable length/cable guide •...
- Page 9 Changeover of the heating system LEISTER Twinny T Depending upon the materials to be welded, the heating system with a long or short combination wedge should be employed. Combination wedge long • Application/guidelines with test Depending on the material, possibly deviating channel PE-HD, PE-C, PFA, PP material thickness of 0,8 –...
- Page 10 Changeover of upper drive/pressure roller LEISTER Twinny T Different overlap joints can be produced with the LEISTER Twinny T for various applications, e.g. in tunnel construction or civil engineering. These differ in width of the welded seam and in width of the test channel. Welding seams without test channel can also be produced.
- Page 11 Changeover of lower drive/pressure roller LEISTER Twinny T 1. Countersunk screw M3x6 9. Guard plate drive/pressure roller 2. Cylinder screw M8x50 10. Hexagon nut M8 3. Nilos ring Ø 8/20x1,8 11. Washer M8 4. Shim Ø 8/14x0,1 12. Countersunk screw M4x12 5.
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Page 12: Maintenance
• The tool should be checked after a maximum of approx. 1000 hours running time by an authorised Service Centre • Repairs have to be carried out by authorised LEISTER Service Centres only. They guarantee a specialized and reliable repair service within 24 hours using original LEISTER spare parts.
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