Spot welding pliers for resistance welder (23 pages)
Summary of Contents for Elektron MULTISPOT MTX 4900
Page 1
Operating Manual MULTISPOT MTX 4900 Spot welding pliers for Resistence Welder Article No. 328079 Revision: 0.1 – Translation Be sure you have read and Version: , January 2014 understood this operating manual.
MTX 4900 Content CONTENT GENERAL ............................4 Information on the operating manual ..................4 Explanation of symbols ......................4 Warning for operation of resistance welding equipment ............5 Liability disclaimer ......................... 5 Copyright ..........................6 Warranty terms ........................6 After-sales service ......................... 6 SAFETY ............................
MTX 4900 General 1 General Information on the operating manual This operating manual contains important information on the use of the device. A precondition for operator safety is the compliance with all the safety precautions and working instructions. Furthermore, observe any and all local accident prevention regulations as well as any and all general safety regulations which may apply to the operation of this equipment.
MTX 4900 General Risk of slipping … indicates a risk of slipping due to escaping water. Risk of tripping … indicates a risk of injury from tripping, stumbling or falling. Tips and recommendations NOTE! …highlights useful tips and recommendations and information for efficient and trouble-free operation.
MTX 4900 General Copyright The present operating manual must be treated confidentially. It is intended only for the persons em- ployed to work with the equipment. The provision of the operating manual to third parties without the written approval of the manufacturer is not permitted. The texts, drawings, figures and other represen- tations contained are protected by copyright and are subject to the industrial property rights.
MTX 4900 Safety 2 Safety This section gives an overview of all the important safety aspects for optimum protection of the personnel and for safe and trouble-free operation. Failure to observe the working instructions and safety precautions given in this operating manual can result in considerable hazards.
MTX 4900 Safety Always wear When operating the equipment always wear: Protective work clothes … are tight-fitting working clothes of low tear strength with narrow sleeves and without protruding parts. It serves predominantly to prevent the opera- tor being caught up and pulled into moving machine parts. Do not wear rings, chains or other jewellery.
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MTX 4900 Safety Electricity DANGER! Electric shock hazard! Contact with live parts entails an immediate risk of electric shock. Damage to the insulation or individual parts can create a very great hazard. Therefore: If damage to the insulation is discovered, switch off the power supply −...
MTX 4900 Safety Hot surfaces CAUTION! Risk of burns due to hot surfaces! The electrodes can reach temperatures of approx. 80°C, the plates imme- diately after welding even 100°C. Risk of burns. Therefore: – Always wear protective working clothes and protective gloves when working in the vicinity of hot parts.
MTX 4900 Safety If the worst comes to the worst: Act correctly Immediately switch off the equipment at the emergency stop button. Initiate first aid measures. Remove persons from the danger zone. Inform the responsible person at the place of work. Call a doctor and/or the fire brigade.
MTX 4900 Transport, Packaging and Storage 3 Transport, Packaging and Storage Safety instructions for transport Improper transport CAUTION! Damage due to improper transport! Improper transport can result in considerable material damage. Therefore: Handle the packages carefully during unloading on delivery and during in-plant −...
MTX 4900 Design and function 4 Design and function Overview Necessary distance 6-8mm Fig. 1: Overview Welding pliers Welding pliers Electrode arm receptacle Adjusting and release button for movable electrode arm Electrode arm, movable, Ø 25 mm Electrode caps Electrode arm, stationary, Ø 25 mm Ring bar Release button Welding cable...
MTX 4900 Design and Function Safety equipment Emergency stop button (on the resistance welder) The figure shows the location of the emergency stop button. It is indicated by the symbol shown on the left. Fig. 2: Locations of the safety devices...
MTX 4900 Operation 5 Operation Connection and preparation of the spot welding pliers 5.1.1 Mounting ring bar 1. Mounting ring bar 2. Put in screws with plastic sleeves (isolation) 3. Fix screws tight 4. Ring bar fixed at pliers Fig. 3: Mounting ring bar...
MTX 4900 Operation 5.1.2 Connecting the pliers 1. Push the main plug of the welding pliers into the main socket of the equipment (Fig .4/1). 2. Push down the clamps to lock the connection. (Fig .4/2). Fig .4: Connecting the pliers 3.
MTX 4900 Operation 5.1.3 Preparation of the welding pliers WARNING! Risk of injury from sudden release of the welding tool! When changing a tool with the machine switched on, welding current or pliers move- ments can be accidentally triggered. Risk of crushing. Therefore: –...
MTX 4900 Operation 5.1.3.2 Exchanging electrode caps 1. Loosen the electrode caps using the electrode cap wrench or an equivalent tool (Fig. 8). 2. Turn in clockwise direction, otherwise the cone will be loosened. 3. Push new electrode caps onto the electrode head and press into posi- tion.
MTX 4900 Operation 5.1.3.4 Adjusting the distance between electrodes Make sure the distance between the electrodes is 6 to 8 mm. Carry out the first welds, and then check the distance again. Re-adjust, if necessary. Use an Allen key SW5 as gauge in between the tips: Electrode tip Allen key Electrode tip...
MTX 4900 Operation Welding with the spot welding pliers Warning: Electromagnetic fields! Wear protective goggles and protective gloves! The electrodes get hot! Flying sparks! Turn on the machine at the mains switch (see operating manual − of the power pack) Connect the machine to the compressed air grid.
MTX 4900 Operation Welding settings with the MI-100control Fig. 13: Selection of welding operation Select the welding operation with the buttons EF, e.g. a - HSS plates b - 3-layer plate joint ) see Fig. 13 c - Galvanised plates Several options can be selected at the same time.
MTX 4900 Technical data 6 Technical data With direct welding current measurement in the pliers head (pneumatic, water-cooled) Weight Specification Value Unit With cable + 190mm electrodes Compressed air supply Specification Value Unit Working pressure 8,5 – 10 bar Quality Clean, dry and oil free Ambient conditions Specification...
MTX 4900 Index 7 INDEX Adjusting the distance between electrodes 19 Note After sales service Aligning electrodes Operation Caution Packaging Compressed air supply Peronal protective equipment Coolant pump Protective work clothes Copyright Risk of slipping Danger Risk of tripping Ear protectors Safety Electricity 4, 11...
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