Free express shipping ! Welding Area: 18mmx2 Power: 1800W Voltage: 220V Frequency: 50Hz Usage: welding Weight: 10.5Kg Welding speed: 0.4-5m/min Welding temperature: 0-450 degree Product Description Technical Parameter 1. Output Voltage: 220 V Frequency: 50Hz 2. Power: 1800W 3.Welding speed : 0.4~5 m/min 4. The temperature of Heating up : 0~450oC 5. The thickness of welding material :1.0 mm~ 3.0mm ( single membrane thickness) 6. Welding width : 18mm x 2 Interior Cavity :20mm 7. Welding intention > 85% Maternity material ( Resistance to the direction of cutting) 8. Joint width : 130mm 9. Machine body weight; 10.5KG LZ920 geo-membrane overlap wedge welder is a new automatic welding equipment, meet the welding of geo-membrane of various thickness and are applicable for welding of all thermal-fused material such as LDPE, PVC,HDPE,EVA,PP and so on. The control of this series of welding machine adopts PID automatic thermostatic control with high control accuracy and low temperature fluctuation; speed control adopts PWM automatic voltage and speed regulation circuit, driven by DC servo motor, with great output torque and the operating is stable. It can maintain a constant speed on the condition of creeping, vertical creeping and variable road load. Also thisseries of welding machine is stable in performance despit of external temperature and voltage variation. This series of welding machine is excellent in performance and easy for operating, with high welding speed and good work quality. It is extensively used in engineering projects such as expressways , tunnels, reservoirs, garbage bury place, waterproof of construction and so on. Precautions 1). For correct operation, please carefully read this instruction. 2). Use with grounded 3-cords mains cable and socket (socket with 10A capacity. On the corresponding welder, phase L connected to live wire, N to zero line, phase =to grounded protection line), plug will not be modified without prior permission. 3). For good welding quality, please assign specified personnel for operation. 4). Pressure roller will not engage on free running. 5). Do not operate when it is exposed to water to prevent inferior quality. 6). The machine has been regulated before leaving factory. Please do not adjust it at will. 7). Circuit board in control box is live with electricity, do not remove it without prior notice to authorized personnel. 8). Preheat for 30 minutes before start up if machine has been long unused or exposed to moisture. 9). Modifications may be made for continuous improvement, without prior notice. Operating regulations As welding quality is direct related to speed and temperature setting during operating, so welding machine must be specified personnel operated to reach excellent quality and high efficiency. 1). Use with grounded 3-cord mains cable and 3-hole socket with capacity not less than 10A (socket corresponds with welder plug, phase L connected to live wire, N to zero line, phase = to grounded protection line), confirm that external lines have been well connected. Check that power is on off state and regulate temperature control potentiometer and speed control potentiometer to 0 position, press lever handle down to disengage pressure roller, then insert the plug. 2). Turn on the power and select certain temperature and speed, take several narrow materials for try welding. Temperature selection may be different for the same material at different ambient temperature and material thickness. To determine the best welding effect, adjust the speed to approximately 2m/min, and then fine increase it from low to high temperature (approximately 250-350 degree) 3). Judge on welding temperature: for transparent PE material, judge by direct observing, speed and temperature will be appropriate if welding mark is flat and in transparent glass form; temperature will be too high and speed be too slow if mark is heavy broken; temperature will be low and speed be fast if mark is not transparent and with white. For opaque material, observe if there is obvious welding mark, also tensile test can be made after complete cooling. 4). Flatly and straightly trim the weld edges and frontage faced, with lower left and upper right overlapped. The overlap width is 100mm. 5). After temperature and speed have been determined, insert material to be welded between the two pressure rollers, make machine body parallel with edges of base materials and engage press lever handle for proper motion. Generally, only observation of deviation between welding mark and base materials is needed for operator, and timely make correction on small degree. 6). When welding will be ended, timely press lever handle to disengage upper and lower pressure roller to prevent rubber wheel damage for long duration. 7). Excessive temperature high and low may occur because of thermal inertia. On this condition, temperature deviation may be compensated by speed regulation on a small degree. Working principle Electric machine carried with above and below pressure wheel and turn it through speed-slow box and chain steel, and heating the bracket up and turn thermal wedge to plug in between the two main materials, meantime let the pressure bracket press the pressure wheel to made the thermal-fused mother material together. The picture is as follow: Free shipping, by Fedex, UPS or DHL, to many countries. Shipping should take around 4 to 12 days. If the item is out of stock in USA, we will ship it from China. We don't ship for free or not at all to few countries. If there is no shipping to your country and you already paid for the item, we can cancel the transaction and you will be fully refunded. Before you buy, please contact us if you want to know if free shipping applies to you. Not responsable if your country charges you import fees. Warranty & Return 1. All products have been checked and packaged in good condition before dispatch. 2. All products have 1 year warranty. 3. If you are not satisfied with our product and service. Please contact us first before giving a non positive feedback or dispute. we will try to our best to solve the problems.
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