Amada VT-SS Operation Manual

Pressure follow-up mechanisms

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PRESSURE FOLLOW-UP MECHANISMS
VT-SS
OPERATION MANUAL
Z09M0886E-06

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Summary of Contents for Amada VT-SS

  • Page 1 PRESSURE FOLLOW-UP MECHANISMS VT-SS OPERATION MANUAL Z09M0886E-06...
  • Page 2: Table Of Contents

    VT-SS Thank you for purchasing our Pressure Follow-Up Mechanisms VT-SS. This operation manual describes its method of operation and precautions for use. Read this operation manual carefully prior to use. Store appropriately for ready reference. Contents 1. Special Precautions (1) Safety Precautions ................ 1 (2) Precautions for Handling ...............
  • Page 3: Special Precautions

    VT-SS 1. Special Precautions (1) Safety Precautions CAUTION ! Before using, be sure to read this operation manual to operate this machine correctly. This operation manual may include some items that do Denotes operations and practices not correspond to your use. However,...
  • Page 4 VT-SS DANGER ! Do not disassemble, repair, or modify this machine in any case. Otherwise, an electric shock or injury will occur. When internal inspection or repair is required, make contact with us. WARNING ! Do not put your hands between the electrodes.
  • Page 5 VT-SS CAUTION ! Do not splash water on the product. Water splashed over the electric parts can cause electric shock and short circuits. Do not give excessive force to connecting cables. Do not bend, pull, or pinch any cable forcibly. If the cable is damaged, it will cause an electric shock, short circuit, or firing.
  • Page 6: Precautions For Handling

    VT-SS (2) Precautions for Handling  In this machine, the linear guide (linear bushing) is used vertically. Accordingly, grease or oil may drip, but this is not an accident. In particular, when a new machine is used, lots of grease of oil will drip. In this case, wipe it off properly during machine operation.
  • Page 7: Features

    VT-SS 2. Features  Ultra-small follow-up mechanism for slight amount of pressure force for parallel-gap welding  Fine adjustment mechanism of electrode spacing  High performance mechanism reducing to the utmost capability the friction and mass of the follow-up unit...
  • Page 8: Name And Functions Of Each Section

    VT-SS 3. Name and Functions of Each Section 3. Name and Functions of Each Section...
  • Page 9 VT-SS (1) Pressure adjusting knob This knob is used to adjust the pressure at welding. Turn the pressure knob to set the required pressure. (2) Pressure scale This scale is used to read the pressure at welding. For the relation of pressure between "Pressure scale"...
  • Page 10: Installation And Connection

    VT-SS 4. Installation and Connection When fixing the pressure follow-up mechanism, (1) Installation perform drilling by referring to the drawing. Short shaft specification Fix this machine on a high-rigidity driving section for use. If the rigidity is ! CAUTION not enough, the welding quality may be lowered by flapping.
  • Page 11: Pressure Signal Cable

    VT-SS (3) Pressure Signal Cable [Pressure signal cable terminal] (WT) (BK) Selecting F terminal D-Sub 9 pins ON signal B Microswitch (2) Microswitch (1) ON signal A Selecting for MK 4. Installation and Connection...
  • Page 12: Introduction

    VT-SS 5. Operating Method (1) Introduction We recommend you to use this machine (VT-SS) in combination with our pressure follow-up mechanism driving unit as a set. To obtain the performance of the pressure follow-up mechanism driving unit fully, read the "Operation manual for the pressure follow-up mechanism driving unit"...
  • Page 13: Operating Method

    VT-SS (2) Operating Method (1) Setting the pressure Turn the pressure adjusting knob to set the pressure. For the relation between the scale and pressure, refer to the pressure diagram (page 13). (2) Installing the welding electrode Install the welding electrode on the electrode holder.
  • Page 14: Electrode Projection Allowance, Stroke, And Pressure Allowance

    VT-SS (3) Electrode Projection Allowance, Stroke, and Pressure Allowance  Electrode projection allowance Determine the electrode projection allowance out of the electrode holder by taking interference with the workpiece, operational convenience, etc. into consideration. <Example of general electrode projection allowance>...
  • Page 15: Pressure Diagram

    VT-SS (4) Pressure Diagram 7N spring Spring constant 0.61N/mm 4N spring Spring constant 0.30N/mm Pressure scale *1 This is the pressure when Main Shaft is pushed up 2.5 mm. *2 The pressure diagram represents theoretical values. To measure actual pressure, use a pressure gauge or spring balance.
  • Page 16: Maintenance Management

    VT-SS (5) Maintenance Management (1) Lubrication It doesn’t need to replace. If the movement become bad, please oil the friction parts a little. Please use the oil which isn’t sticky for the friction parts. Too much lubrication will cause the bad ability.
  • Page 17: Product Specifications

    VT-SS 6. Product Specifications (1) Specifications 1 N to 7 N (spring type) Pressure range Recommended operating thrust "Operating pressure x 2" as standard 2.5  0.5 mm Pressure allowance Electrode holder Standard type: □3.2 *Refer to the drawing of electrode.
  • Page 18: Welding Cable

    VT-SS (2) Welding Cable 6. Product Specifications -16-...
  • Page 19: Outline Drawings

    VT-SS 7. Outline Drawings (for mounting secondary conductor) 7. Outline Drawings -17-...
  • Page 20 VT-SS Electrode holder □3.2 standard type (for mounting secondary conductor) Tightened together with shaft (Electrode dia.) □3.2 Electrode 7. Outline Drawings -18-...

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