REHM TIGER 170 DC Operating Instructions Manual
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REHM TIGER 170 DC Operating Instructions Manual

Tig welding units
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OPERATING INSTRUCTIONS
TIG welding units
TIGER 170 / 210 DC / AC/DC / SET

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Summary of Contents for REHM TIGER 170 DC

  • Page 1 OPERATING INSTRUCTIONS TIG welding units TIGER 170 / 210 DC / AC/DC / SET...

  • Page 2: Product Identification

    Version dated: 06.13  Rehm GmbH u. Co. KG, Uhingen, Germany The contents of this description are the sole property of Rehm GmbH u. Co. KG Distribution and reproduction of this document is strictly prohibited. The use and distribution of its contents to a third party is strictly prohibited, unless otherwise specifically agreed in writing by the company.

  • Page 3: Table Of Contents

    3.2.1 General description 3.2.2 The operators panel at a glance 3.2.3 Special characteristics relating to the operating panel The function of the REHM operators panel 3.3.1 The welding current setting I1 3.3.2 The Pulse-Function (Pulse time t1) 3.3.3 The intermediate welding current setting I2 The Pulsed Function (Pulse time t2 –...
  • Page 4 Switch position; Foot-operated control signal 4.1.2 Switch position; Hand-operated control signal WIG PLUS 2 Hand remote control REHM TIG-torch R-SR 7-17 und R-SR 7-26 DD with potentiometer and leather TIGER SET REHM water cooler RWK 1100 Adapter cable Tiger-Mechanised welding...

  • Page 5: Introduction

    Only components of the highest quality are used in the development and production of REHM welding units. In order to ensure a high service life that can be used under arduous working conditions, only components that satisfy the REHM stringent quality control requirements are used in our production.
  • Page 6 Areas of use Unless specifically stated in writing to the contrary by REHM Schweißtechnik und Co., REHM welding units are only for sale to commercial / industrial users and are intended only for use by these users. TIGER gas shielded tungsten arc welding units are only to be used: For the correct purpose.

  • Page 7: General Description

    Introduction General description Fig 1.1: TIGER 170 DC and Tiger 210 AC/DC...

  • Page 8: Performance Features Of The Tiger Gas Shielded Tungsten Arc Welding Unit

    The TIGER is a real powerhouse, compact in size and weighing a mere 5,4 kg (Tiger 170 DC; 8,4 kg for the Tiger 210 AC/DC). The robust housing makes the TIGER the ideal companion for coping with the arduous working conditions on- site.
  • Page 9  REHM Noise Reduction System for AC The noise is significantly reduced during the welding of Aluminium, by means of a patented noise reduction process.

  • Page 10: Principle Of Tig Welding

    Aluminium alloys. The special safety instructions that apply to the area in which the welding takes place must be observed at all times. If you are unsure about anything at all, then consult your Health and Safety officer, or contact the REHM Customer Services department.

  • Page 11: Symbols Used In This Manual

    If you are unsure about anything at all, then consult your Health and Safety officer, or contact the REHM Customer Services department. The documentation supplied with the machine explains the limitations of use of the equipment and must be adhered to.

  • Page 12: Safety Information

    Safety information Safety information Safety symbols in this operating manual Warning notes and You will find this symbol or a symbol giving more precise details of the symbols hazard with all safety notes in this operating manual that involve any danger to life or limb.

  • Page 13: General

    This device complies with IEC 61000-3-12. power supply TIGER 170 DC / AC/DC WARNING: This equipment does not comply with EN/IEC 61000-3-12. If it is connected to a public low voltage system, it is the responsibility of the installer or user of the equipment to ensure, by consultation with the distribution network operator if necessary, that the equipment may be connected.

  • Page 14: Description Of Function

    Description of function Description of function The REHM-Operating concept: Turn and Set The TIGER has an entirely new operating concept; this enables setting up the machine very simply, quickly and safely. The numerous options can all be accessed from this single control knob The settings are all done via a single control knob, this can be turned to select or alter the parameter and then pressed to confirm the setting.
  • Page 15 Description of function 2sec Fig 3.1: The REHM-Operators panel for TIGER 170 AC/DC and Tiger 210 AC/DC 2sec Fig 3.2: The REHM-Operators panel for TIGER 170 DC and Tiger 210 DC...

  • Page 16: The Operators Panel At A Glance

    Description of function 3.2.2 The operators panel at a glance Symbol Meaning Setting for welding current I1 for TIG - and Stick-electrode welding (see Chapter 3.3.1) (Stick-electrode welding means manual metal arc welding) Setting for t1-peak time for pulsed TIG-Welding (see Chapter 3.3.2) Setting for welding current I2 for TIG welding (see Chapter 3.3.3) Setting for t1-background time for pulsed TIG-Welding (see Chapter 3.3.4) Setting for downslope time td for TIG-welding (see Chapter 3.3.5)

  • Page 17: Special Characteristics Relating To The Operating Panel

    2 seconds in order to activate the special mode or to save or load a program. 3.3 The function of the REHM operators panel The functions are described in sequence as per Fig. 3.1. and Fig. 3.2.

  • Page 18: The Pulse-Function (Pulse Time T1)

    (I1). The following ranges can be set: Tiger 170 DC and AC/DC Tiger 210 DC and AC/DC 3 A … 170 A 3 A … 210 A Stick- electrode 3 A …...
  • Page 19 Description of function Current I1 Current I2 Pulse time I1 Pulse time I2 Time Fig 3.3: Welding current during pulsed welding If a twin-button torch is used, pulsing can be switched off and also back on during welding by pressing torch button 2. If torch button 2 is pressed while the welding current is pulsing, pulsing is switched off and welding is continued using welding current I2.

  • Page 20: The Intermediate Welding Current Setting I2

    The dual current switching can only be done in the latched torch trigger mode (4- step) without pulsing. The welding current I1 can be set within the following range: Tiger 170 DC and. AC/DC Tiger 210 DC and AC/DC 3 A … 170 A 3 A …...

  • Page 21: The Pulsed Function (Pulse Time T2 - See Chapter 3.3.2)

    Description of function before starting the welding operation. Whilst holding the button 2 down the value for the current will be shown on the digital display and using the turn and set knob the value can be adjusted as required. The Pulsed Function (Pulse time t2 –...

  • Page 22: Setting For Direct Current (Dc)

    The setting for direct current is performed as described in section 3.1. The Tiger 170 AC/DC and Tiger 210 AC/DC can weld with either direct current (DC) or alternating current (AC). The Tiger 170 DC und Tiger 210 DC can only be use for direct current (DC).

  • Page 23: The Tig Latched Trigger Mode (4-Step)

    Another special feature of the Tiger AC/DC machines is that in the AC welding mode the patented Rehm Automatic Frequency Control can also be selected. To active this function the selection “Aut” is made, this is the one before the 50Hz setting in the frequency function parameter.

  • Page 24: The Non-Latched Torch Trigger Mode (2 Step)

    Description of function Torch trigger 1 Solenoid valve Welding current Fig. 3.5 The current cycle diagram for latched trigger operation (4 step) Special Note: to Step 2 If the torch button is pressed during the downslope phase, the arc will extinguish and the shielding gas flows for the time set by the post flow gas parameter.

  • Page 25: 3.3.13 Tig Welding With High Voltage Ignition

    Description of function Torch trigger 1 Solenoid valve Welding current Fig. 3.6 The current cycle diagram for non-latched trigger operation (2 step). Special note: to step 2 If the torch trigger is depressed during the downslope then the welding current jumps back up to the I1 value. This torch operation enables manual pulsing to be achieved.

  • Page 26: 3.3.15 Stick-Electrode Welding With The Booster-Function

    Description of function 3.3.15 Stick-electrode welding with the Booster-Function The setting for Booster function is performed as described in section 3.1. In the Booster mode the mains current monitoring function is deactivated, and the machine always welds with the welding current set (I1), which is on the TIGER 170 150 A and the TIGER 210 170 A.

  • Page 27: 3.3.18 The Special Mode

    Description of function shielding gas, which flows from the shielding-gas nozzle, which is positioned concentrically around the electrode. 3.3.18 The Special mode 3.3.18.1 General Description The operating panel enables the complete overview of the important settings for the both TIG and stick-electrode welding on the TIGER machine. In addition to this the numerous special parameters and functions in the special mode can also be set and altered according to the individual requirements.
  • Page 28 Description of function H – Hot Start For Stick-electrode welding: I – Arc Force S – Save programme For TIG- and Stick-electrode welding: L – Load programme For loading and saving programs, the turn and set knob must be pressed for longer than 2 seconds.
  • Page 29 Description of function 3.3.18.2 Pre-flow gas time ( A ) The pre-flow gas time is the time for which the gas solenoid opens after depressing the torch button 1 until the arc ignition cycle starts. This ensures that the tip of the tungsten electrode and the workpiece is protected from the atmosphere before the ignition takes place If during the gas post flow time the welding process is re-started, the processor automatically set the gas pre-flow time to „zero“.
  • Page 30 Description of function 3.3.18.7 Hot start ( H ) In order to improve the ignition when stick-electrode welding, the ignition current is given a short boost when starting. This hot start current is higher than the welding current that has been set (I1). The setting value for the hot start is a direct relationship to the welding current.

  • Page 31: The Control Led's

    3.3.18.10 Dual-Wave ( F ) The Dual Wave process from REHM is a combination of AC and DC welding. The processor controls the welding process and automatically alternates the current from AC for 0.2 seconds to DC for 0.3 seconds. The selected values for the welding current I1 or I2, the frequency and the wave balance are applied as for DC-only or AC-only welding.

  • Page 32: 3.3.20 The Digital Display

    In the case that this LED flashes on and off then an internal fault condition has been recognised. This can be reset by power off and then on again. If fault cannot be cleared then please contact Rehm customer service (RKS).

  • Page 33: Intig-Energy

    Description of function prevents the electrode from overheating and burning out. The operator terminates the short circuit simply by removing the contact between the electrode and the workpiece. INTIG-Energy The highly intelligent processor ensures that the ideal ignition energy is automatically chosen depending upon the actual weld current setting;...

  • Page 34: Resetting To Factory Settings

    Description of function Resetting to Factory settings If the turn and set knob is depressed and at the same time the machine is switched on by the mains switch then the function of the Tiger will be reset to that which was delivered from the factory.

  • Page 35: Accessories

    Accessories Accessories The equipment listed below can be supplied as accessories. This equipment is connected to the remote control socket, which is fitted as standard. This connection is automatically recognised by the control unit. There is no need for manual switchover. Remote control units remain active for as long as they are plugged into the power source! WIG PLUS 1 foot operated remote control By means of the WIG PLUS 1 foot remote control, the welding current can be...

  • Page 36: Rehm Tig-Torch R-Sr 7-17 Und R-Sr 7-26 Dd With Potentiometer And Leather

    Tiger 210AC/DC Set: 150 3361) The set comprises of: TIGER 170 / 210 DC or AC/DC complete with metal carrying case, REHM TIG-torch R-SR 7-17 or R-SR 7-26 with potentiometer and leather covering, gas regulator and workpiece cable 4m long. The robust metal carrying case is internal separation compartments.

  • Page 37: Tiger-Mechanised Welding

    Accessories Tiger-Mechanised welding (Article No. 148 0100) The option mechanised welding enables the Tiger to be used in conjunction with simple automated applications. The connection is via the standard 7-pole torch connection socket. The following signals are available: Torch socket Pin1: Welding cycle On/Off Torch socket Pin2: Torch socket Pin3:...

  • Page 38: Commissioning

    EN 60974-1, TRBS 2131 and BGR 500 (formerly VBG 15 / BGV-D1). Setting up the welding unit Set up the REHM welding equipment so that the welder has sufficient space in front of the equipment to be able to monitor and operate the controls.

  • Page 39: Connecting The Welding Unit

    Ventilation of the welding power source The REHM welding unit must be positioned so that ventilating and cooling air can enter and leave without obstruction. The duty cycle specified for the power source can only be achieved if there is sufficient ventilation (see also “Technical Data”).

  • Page 40: Recommended Welding Lead Cross Sections

    Commissioning Recommended welding lead cross sections Cross sections for copper leads: With a length of up to 5m up to 10m up to 15m up to 170A 16 mm 25 mm 25 mm up to 210A 25 mm 25 mm 35 mm...

  • Page 41: Operation

    Personnel who are trained in the use and maintenance of welding units and are familiar with the relevant safety regulations are the only persons who are qualified to operate REHM welding units. Working with and maintenance of electrical welding units always involves possible hazards.

  • Page 42: Personal Safety Instructions

    Operation Personal safety instructions The action of the radiation of the electric arc or of pieces of the hot metal may lead to severe burns to the unprotected skin and eyes.  Only use undamaged welder’s protective clothing, and eye protection with the correct protective filter glass: The use of leather gloves and a welder’s helmet to protect your eyes and body from sparks and radiation from the arc is essential (see BGR 500 [formerly VBG 15, §...

  • Page 43: Connecting The Earth Cable

    REHM TIG welding units. A suitable guideline is that for a given electrode the current is too high if it forms droplets or assumes a broom type structure.
  • Page 44 Aluminium is heated. Since usually only a short positive pulse is needed in order remove the Aluminium oxide skin, a greater negative proportion can be used with REHM TIG units. This has a number of advantages: The temperature load on the electrode is reduced.
  • Page 45 Operation High-voltage ignition units are fitted as standard in the REHM Tiger machines in Ignition with and order to provide contact-free ignition of the welding arc. The high voltage without high electrically ionises the distance between the tungsten electrode and the frequency (HF) workpiece in such a way that the welding arc can bridge this gap.

  • Page 46: Troubleshooting

    Machine faults Troubleshooting Safety instructions WARNING! If a fault occurs which represents a risk to personnel, equipment and/or their surroundings; the equipment and all work MUST BE STOPPED immediately. It must also be ensured that it is not possible to turn on the equipment again until the fault is cleared and made safe.

  • Page 47: Fault Finding Table

    Machine faults Fault finding table REHM-operators panel does not function The digital display does not illuminate and neither does any of the LED’s Possible cause: Possible remedy: No mains voltage (e.g. mains fuse) Check mains voltage and fuses Cable break or plug defect...
  • Page 48 Machine faults No gas flows. Possible cause: Possible remedy: The cylinder is empty or the gas hose is kinked. Check and rectify. Defective regulator. Check and rectify. Solenoid valve in the machine is defective. Call for service. The cable connection to valve is loose. Check and rectify.
  • Page 49 Machine faults Arc has an unusual colour Possible cause: Possible remedy: No, too little, or wrong shielding gas Check and rectify. Electrode is contaminated Re-grind electrode Tungsten electrode burns away Possible cause: Possible remedy: No shielding gas Check and rectify. Loading is too high Use thicker electrode Too much positive component during AC welding...

  • Page 50: Service And Maintenance

    Contact your REHM distributor. In the event of parts being required, only use original REHM spares. If people who have not been trained by REHM, or are not authorised to carry out such work undertake maintenance or repair work then the warranty and liability claims against REHM are automatically invalidated.

  • Page 51: Cleaning The Inside Of The Unit

    Cleaning the inside of the unit If the REHM welding unit is used in a dusty atmosphere, the inside of the unit must be cleaned at regular intervals by either blowing them out or using suction. The frequency of this cleaning is dependent on the particular conditions of use.

  • Page 52: Circuit Diagrammes

    Circuit diagrammes Circuit diagrammes...
  • Page 53 Circuit diagrammes...
  • Page 54 Circuit diagrammes...
  • Page 55 Circuit diagrammes...

  • Page 56: Spare Parts List

    Spare parts Spare parts list 10.1 Spare parts list with REHM article numbers. TIGER TIGER TIGER TIGER 170 DC 210 DC 170 AC/DC 210 AC/DC B1 - Control PCB 690 0475 690 0475 690 0475 690 0475 B2 - Main PCB...

  • Page 57: Machine Components Photographs

    Spare parts 10.2 Machine components photographs...
  • Page 58 Spare parts...

  • Page 59: Technical Data

    Technical Data Technical Data TIGER 170 DC TIGER 210 DC TIGER 170 TIGER 210 Type AC/DC AC/DC Setting range 3 - 170 3 - 210 3 - 170 3 - 210 Stick 3 - 150 3 - 170 3 - 150...

  • Page 60: Index

    Index Index Accessories Accident prevention Alterations to the unit Alternating current (AC) welding Areas of use Automatic frequency control CE - Mark Cleaning the inside of the unit Commissioning Connecting the earth cable Connecting the welding unit Contents Correct use of equipment Direct current (DC) welding Earth cable connection Fault finding table...
  • Page 61 Index Product identification Programme Purpose of this document Qualified staff Remote control Residual risks Safety information Safety notes 14, 37 Safety regulations Safety symbols Service and maintenance Shielding gas consumption Shielding gases Symbols used Technical Data Tests before switching on TIG - torch with potentiometer and leather TIG - welding torch Tungsten electrodes...
  • Page 62 According to EC Directive 2006/42/EG Article 1, para. 2, the above products come exclusively within the scope of Directive 2006/95/EG relating to electrical equipment designed for use within certain voltage limits. This declaration is made on behalf of the manufacturer: REHM GmbH u. Co. KG Schweißtechnik Ottostr. 2 73066 Uhingen Germany Uhingen, 11.06.2013 Declaration made by R.
  • Page 64 REHM – Setting the pace in welding and cutting REHM WELDING TECHNOLOGY – The REHM range German Engineering and Production at its best  REHM MIG/MAG inert gas welding units Development, construction and production – all under one SYNERGIC.PRO² gas- and water-cooled to 450 A roof –...

This manual is also suitable for:

150 3310Tiger 170 ac/dc150 3320Tiger 170 ac/dc setTiger 170 dc set150 3321 ... Show all

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