Table of Contents
Advertisement
Quick Links
Advertisement
Table of Contents
Related Manuals for Elektron MULTISPOT MI-90 T
Summary of Contents for Elektron MULTISPOT MI-90 T
- Page 1 Operating Manual MULTISPOT MI-90 T Resistance welder Be sure you have read and understood Item no. 327527 this operating manual before you carry Revision: 3.0 - Translation out any works on and/or with this Version: , December 2008 equipment.
- Page 2 © ELEKTRON-BREMEN Elektrotechnik GmbH Am Hohentorshafen 17-19 28197 Bremen - Germany Phone: +49 (0) 54 90 6-906 Fax: +49 (0) 54 90 6-19 Email: vertrieb@elektron-bremen.de Web: www.elektron-bremen.de Release: ELEKTRON-BREMEN...
-
Page 3: Table Of Contents
Resistance Welder MULTISPOT MI-90 T General information ....................5 Information concerning the operating manual ................5 Copyright............................5 Symbols ............................5 Disclaimer ............................6 Warranty and guarantee ........................6 Customer service ...........................6 Health and safety ...................... 7 Intended purpose ...........................7 Responsibilities of the operating company ..................7 2.2.1... - Page 4 Resistance Welder MULTISPOT MI-90 T Operation........................27 Preliminary works before welding ....................27 6.1.1 Preparing the sheets....................27 6.1.2 Preparing welding pliers ....................27 6.1.3 Checks before switching on..................29 Switching on ..........................29 Basic settings ..........................29 6.3.1 Keyboard operation...................... 29 6.3.2...
-
Page 5: General Information
Resistance Welder MULTISPOT MI-90 T General information 1 General information Information concerning the operating manual This operating manual will enable you to work efficiently and safely with this equipment. The manual is an essential part of this product and must be stored ready at hand not far from the equipment so that people can use it at any time without any problems. -
Page 6: Disclaimer
Resistance Welder MULTISPOT MI-90 T General information Disclaimer Any and all information contained in this operating manual has been written on the basis of pertinent standards and regulations, the state of the art, and the long-standing insights and experience of our staff. -
Page 7: Health And Safety
This equipment has been designed and built for the following purpose(s), exclusively, and shall be used accordingly: The MULTISPOT MI-90 T resistance welder serves the sole purpose of spot welding during maintenance work on car bodies, for stock of up to 3 mm sheet gauge and combinations of up to three sheets within its specifications and limits of use (... -
Page 8: Requirements To Personnel
Resistance Welder MULTISPOT MI-90 T Health and safety The operating company must equip operating personnel with suitable personal protective equipment (PPE) and check it for proper working condition in regular intervals. Defective PPE must be replaced with new ones. -
Page 9: Personal Protective Equipment (Ppe)
The welder / operator has been coached / trained by employees of Elektron and/or an authorised representative / dealer of Elektron concerning his tasks and duties and possible hazards in connection with inappropriate behaviour and confirms this with his signature (see draft of training report form, "Appendix"). -
Page 10: Particular Dangers
Resistance Welder MULTISPOT MI-90 T Health and safety Particular dangers 2.3.1 Dangers due to the equipment Electricity DANGER ! Electricity constitutes a danger to life and limb. Touching live components can result in a fatal electrical shock. Therefore: – As soon as you notice any damage to insulation, disconnect the power supply and have the damage repaired. -
Page 11: Dangers Due To The Work Environment
Resistance Welder MULTISPOT MI-90 T Health and safety Splashes, flying sparks WARNING ! Splashes and flying sparks constitute a danger of fire and explosion. Splashes and flying sparks pose a risk of injuries. Welding generates sparks and -hot spatter. They can ignite combustible materials and generate explosions. -
Page 12: Dangers To This Equipment And Other Property
Resistance Welder MULTISPOT MI-90 T Health and safety 2.3.3 Dangers to this equipment and other property Tipping and toppling hazards due to high centre of gravity and obstacles during travel CAUTION ! Tipping and toppling may cause damage to property. -
Page 13: Safety Devices
Resistance Welder MULTISPOT MI-90 T Health and safety Safety devices WARNING! Danger! Due to insufficient protection against residual current! Connection to electrical socket: the device may only be plugged into a socket with a residual current device and an operable earthing device. -
Page 14: Signs On The Cooling Unit
Resistance Welder MULTISPOT MI-90 T Health and safety 2.7.2 Signs on the cooling unit Meaning Do not operate pump without cooling water. Pump running dry may sustain damage. CAUTION ! Pump may sustain damage when running dry. Pump running dry may sustain damage. Therefore: –... -
Page 15: Transport, Packaging, Storage
Resistance Welder MULTISPOT MI-90 T Transport, packaging, storage 3 Transport, packaging, storage Safety during transport Inexpert transport CAUTION ! Improper transport may cause damage to property. Improper transport may cause damage to property. Therefore: – When you unload packing units and move them across your premises, proceed with care. -
Page 16: Acceptance After Shipping
Resistance Welder MULTISPOT MI-90 T Transport, packaging, storage Acceptance after shipping Check packing units immediately after delivery. Check for integrity, missing pieces and damage. If you detect any external shipping damage, proceed as follows: Do not accept delivery. Or accept under reserve. -
Page 17: In Case Of Return Of Goods / Further Transport Needs
Resistance Welder MULTISPOT MI-90 T Transport, packaging, storage In case of return of goods / further transport needs Drain cooling water tank completely. Use original transport pallet. (See Fig. 6.) Use packing materials that correspond to original packing materials. Use symbols on packaging according to 3.2 CAUTION Improper transport conditions may cause damage to property. -
Page 18: Design And Functionality
Fig. 7 : Overview Multispot System (Standard) Description The MULTISPOT MI-90 T resistance welder has been designed and built with the special requirements of body makers and maintenance in mind. The inverter, which provides the power for welding, is controlled by a microprocessor. That way, weld current and weld time will be adjusted automatically on the basis of the selected operating mode, sheet gauge and welding job. -
Page 19: Display And Control Elements
Resistance Welder MULTISPOT MI-90 T Design and functionality Display and control elements 4.3.1 On the control panel 1 LED display “Mains voltage drop” 2 Touch key for selecting welding jobs (from top to bottom): – high strength steel (HSS) – 3 layer sheets –... -
Page 20: Connections
Resistance Welder MULTISPOT MI-90 T Design and functionality Connections 4.4.1 Connections on the front side 1 Connection for sensors 2 Central connection for weld current 3 Air supply for pliers Fig. 10: Connections on the front side 4.4.2 Connections on the backside... -
Page 21: Connections Cooling Water Tank
Resistance Welder MULTISPOT MI-90 T Design and functionality 4.4.3 Connections cooling water tank Cooling water tank cap Coolant return Coolant outlet Fastening screw Pump Air supply for pump Fig. 12: Connections cooling water tank Accessories see Accessory List... -
Page 22: Installation
Resistance Welder MULTISPOT MI-90 T Installation Installation 5.1 Before installation 5.1.1 Preliminary works Check operating conditions according to specifications.( See "9.4".) If necessary, allow equipment time to adapt to ambient temperature SLOWLY. Make sure that operating company's supply systems comply with specifications. -
Page 23: Connecting The Pneumatics
Resistance Welder MULTISPOT MI-90 T Installation 1. Take the power cord from its support. 2. Run the power cord along a safe route. WARNING Stumbling hazards Power cords may constitute a stumbling hazard when improperly laid or installed and may cause people to fall and hurt themselves. -
Page 24: Connecting The Pliers
Resistance Welder MULTISPOT MI-90 T Installation Connecting the pliers 1. Main plug 2. Sensors 3. Air supply 4. Coolant outlet 5. Coolant return Fig. 18: Connections for pliers 1. Push the main plug of the welding pliers into the main socket of the equipment (Fig. - Page 25 Resistance Welder MULTISPOT MI-90 T Installation 4. Connect the sensors of the pliers. Fig. 21: Connecting sensors of the pliers 1. Connect the coolant return of the pliers to the cooling tank (Fig. 22/1) 2. Connect the coolant outlet of the pliers to the cooling tank (Fig.
-
Page 26: Connecting Air Supply Of The Cooling Water Tank
Resistance Welder MULTISPOT MI-90 T Installation Connecting air supply of the cooling water tank 1. Connect the air supply of the cooling tank (Fig. 23/1) to the connection on the back side of the unit (Fig. 23/2) Fig. 23: Connecting air supply... -
Page 27: Operation
Resistance Welder MULTISPOT MI-90 T Operation 6 Operation Preliminary works before welding 6.1.1 Preparing the sheets When using insulating layers (e.g. spot welding primer), you must first establish an auxiliary connection (using a vise-grip wrench, for instance) in order to establish the electrical contact ... - Page 28 Resistance Welder MULTISPOT MI-90 T Operation Exchanging electrode arms 1. To unbolt the electrode arm, use the Allen key provided for that purpose (Fig. 24). Fig. 24: Unbolting electrode arm 2. Remove the electrode arm simply by pulling it out.
-
Page 29: Checks Before Switching On
Resistance Welder MULTISPOT MI-90 T Operation Adjusting the distance between Make sure the distance between the electrodes is electrodes 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:... -
Page 30: Basic Settings
Resistance Welder MULTISPOT MI-90 T Operation Checking cooling water level. ( See XXX.) Switching on 1. Once the welder has been installed and prepared according to instructions, you may switch it on by turning the power switch (Fig. 32). -
Page 31: List Of Possible Setting Options
Resistance Welder MULTISPOT MI-90 T Operation 6.3.2 List of possible setting options Welding job Ratio of Sheet gauges Set value Selection sheets up to about 0,8 + 0,8 + 0,8 1,0 + 1,0 + 1,0 d1 = d2 = d3... -
Page 32: Important Information Concerning Welding
Resistance Welder MULTISPOT MI-90 T Operation Important information concerning welding Electromagnetic fields DANGER Electromagnetic fields pose a potentially fatal hazard to people with pacemakers or other magnetisable implants. Electromagnetic fields affect the functionality of pacemakers and other magnetisable implants. Electromagnetic fields can irritate human sense organs, nerve and muscle cells. Therefore: –... - Page 33 Resistance Welder MULTISPOT MI-90 T Operation Tipping and toppling hazards due to high centre of gravity and obstacles during travel CAUTION Tipping and toppling may cause damage to property. This equipment's centre of gravity is relatively high. In the event the wheels jam and/or block (due to an obstacle or transverse pull, for instance), there is a danger the equipment tips over.
- Page 34 Resistance Welder MULTISPOT MI-90 T Operation Adjusting the contact force NOTE Be sure to set the correct contact force with respect to the current welding, because: – If the contact force of the electrodes is too high, the electrical resistance will be too low which, in turn, will affect the welding job.
-
Page 35: Health And Safety During Troubleshooting
Resistance Welder MULTISPOT MI-90 T Troubleshooting 7 Troubleshooting Health and safety during troubleshooting WARNING People with insufficient skills may suffer injuries. If you carry out troubleshooting and repairs yourself, you may encounter certain risks and hazards that may entail severe injuries. -
Page 36: Possible Causes And Remedies In Case Of Unsatisfactory Welding Results
Resistance Welder MULTISPOT MI-90 T Troubleshooting Symptom Possible cause Remedy WHO should do LED red The red LED indicates thermal It is not possible to Operator overloading of the spot welding continue working while the pliers or power source. LED is on. The unit is... -
Page 37: Maintenance
Resistance Welder MULTISPOT MI-90 T Maintenance 8 Maintenance Maintenance schedule Intervals What must be done? WHO should do it? Visually check the welder and its periphery for damage, dirt, contamination etc. Clean, if necessary Check connections for tight fit. Check compressed-air supply. -
Page 38: Maintaining The Pneumatic Unit
Resistance Welder MULTISPOT MI-90 T Maintenance 8.2.2 Maintaining the pneumatic unit 1. Visually check the compressed-air filter (Fig. 36). Replace, when you see any accumulation of dirt. 2. Visually check the water separator under the compressed-air filter for residues of water. -
Page 39: Replacing Water Filter
Resistance Welder MULTISPOT MI-90 T Maintenance 8.2.3 Replacing water filter Scald hazard DANGER! Scalding may occur due to hot water coming out! While pulling out the cooling water hoses hot water may come out. Therefore: – Wear gloves. – Pull out water hoses carefully. -
Page 40: Specifications
Resistance Welder MULTISPOT MI-90 T Specifications Set sheet gauges on the welder using above table. 9 Specifications Dimensions and weights Item Value Unit Height 1000 / 39 mm / in Width 480 / 19 mm / in Depth 750 / 30 mm / in... -
Page 41: Type Plates
Resistance Welder MULTISPOT MI-90 T Specifications Type plates Manufacturer Inverter type Item no. Input voltage (in VAC) Frequency (in Hz) Power consumption (in kVA) Enclosure Production no. Duty cycle (in %) 10 Max. current (in A) 11 Output voltage (in VDC) 12 Appeal: Read operating manual. -
Page 42: Index
Resistance Welder MULTISPOT MI-90 T Index Index Accessories............21 Maintaining the pneumatic unit ......38 Adjusting the distance between electrodes ..29 Maintenance schedule ........37 Appendix ............43 Misuse..............7 Batteries............. 14 Operating company..........7 Overview ............18 Cleaning............. 37 Compressed-air supply........ - Page 43 Resistance Welder MULTISPOT MI-90 T Appendix Appendix Training Report NOTE Master copy. Do not fill in. Make copies. Date Name Type of training Trainer Signature...