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Summary of Contents for Instron Torsion Add-on Version 3
- Page 1 Torsion Add-on Version 3 Operator’s Guide M10-17497-EN Revision A...
- Page 2 Instron is a registered trademark of Illinois Tool Works Inc. (ITW). Other names, logos, icons and marks identifying Instron products and services referenced herein are trademarks of ITW and may not be used without the prior written permission of ITW.
- Page 3 Caution is used where a hazard may lead to damage to equipment or to loss of data. Instron products, to the best of its knowledge, comply with various national and international safety standards, in as much as they apply to materials and structural testing.
- Page 4 Preliminary Pages Warnings Hazard - Press the Emergency Stop button whenever you consider that an unsafe condition exists. The Emergency Stop button removes hydraulic power or electrical drive from the testing system and brings the hazardous elements of the system to a stop as quickly as possible.
- Page 5 During system operation, keep away from the operating envelope of the robot. De-activate the robot before entering the envelope for any purpose, such as reloading the specimen magazine. Product Support: www.instron.com...
- Page 6 Preliminary Pages Warnings Hazard - Set the appropriate limits before performing loop tuning or running waveforms or tests. Operational limits are included within your testing system to suspend motion or shut off the system when upper and/or lower bounds of actuator or crosshead travel, or force or strain, are reached during testing.
- Page 7 Apply the specified torque to all load string fasteners and the correct setting to wedge washers or spiral washers. Visually inspect highly stressed components such as grips and threaded adapters prior to every fatigue test for signs of wear or fatigue damage. Product Support: www.instron.com...
- Page 8 Preliminary Pages M10-17497-EN...
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Page 9: Table Of Contents
Rotational crosshead alignment for axial testing ....... . . Product Support: www.instron.com... - Page 10 Preliminary Pages M10-17497-EN...
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Page 11: Chapter 1: Introduction
• a torsion controller assembly mounted to the column of the load frame • a suitable biaxial load cell mounted to the base adapter This configuration provides torque to the specimen which allows biaxial testing of specimens. Product Support: www.instron.com... -
Page 12: System Components
Chapter: Introduction System components Figure 1. Torsion Add-on components on a single-column system Legend for Figure 1 Figure 2 Label Component Description Torsion drive assembly This assembly contains the motor, gearbox, shaft coupling, bearing housing and drive shaft. These combine to produce rotation for biaxial testing. M10-17497-EN... - Page 13 Dual column frames only (Figure The top plate is adapted to allow the torsion drive assembly to move through it. This means that the overall effective height of the frame is increased (refer to “Specifications” on page 16). Product Support: www.instron.com...
- Page 14 Chapter: Introduction Figure 2. Torsion Add-on components on a dual column system M10-17497-EN...
- Page 15 System components Figure 3. Torsion-specific handset Legend for Figure 3 Label Function ROTATE Product Support: www.instron.com...
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Page 16: Specifications
Chapter: Introduction Label Function ROTATE TO ZERO UNLOCK For a full description of the function of these buttons, refer to “Torsion-specific handset controls” on page 23. Specifications Table 1. General Specifications Parameter Single column frames Dual column frames Maximum axial load - no torque (kN) Maximum axial load - with torque (kN) -
Page 17: Residual Risks And Safe Operation
The rotation of the load string introduces an additional hazard, especially if the space between any test fixture and the frame columns is small. Warning Entanglement hazard - keep hair and loose clothing away from the rotating test fixture Product Support: www.instron.com... - Page 18 Chapter: Introduction Warning Stored energy hazard - remove any torque from a specimen before unlocking the torsion drive. Remove any torque to prevent unexpected rotation when the torsion drive is unlocked. Warning Crush hazard between the torsion drive assembly and the top plate of the load frame.
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Page 19: Chapter 2: Function Of Controls
For each of these situations, the torsion drive is locked when the action is completed. You can temporarily unlock the torsion drive in order to manually position the torsion drive (for axial alignment, for example) using the Toggle torsion lock function (refer to “Manual rotational jog” on page 25). Product Support: www.instron.com... -
Page 20: Torsion Controller Assembly
Chapter: Function of Controls Torsion controller assembly The display panel on the front of the controller consists of 3 green LEDs, as shown in Figure 4 on page 20. All three LEDs must be illuminated green for motor powered rotary motion. This includes jogging, returning to zero or running a test. -
Page 21: Torsion-Specific Software Controls
• Rotate to zero Rotate the torsion drive back to the zero rotation point. The direction the system rotates depends on the current rotation value. When the current value is above zero Product Support: www.instron.com... - Page 22 Chapter: Function of Controls the system rotates counter-clockwise. When the current value is below zero the system rotates clockwise. The system will never rotate more than one full rotation. If the rotation value exceeds ±360º, the system rotates to the zero rotation point and sets the rotation value to zero.
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Page 23: Torsion Settings
The two buttons at the top of the handset are torsion-specific. ROTATE (1) and ROTATE TO ZERO (2) operate together with UNLOCK (3). Refer to the 6800 Operator’s Guide for full details of the operation of the UNLOCK button combined with other functions on the handset. Product Support: www.instron.com... - Page 24 Chapter: Function of Controls Figure 6. Torsion-specific handset • ROTATE Press the UNLOCK button followed by this button to rotate the torsion drive in the direction specified in the software. Press and hold the button to move at a speed of 4 rpm. M10-17497-EN...
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Page 25: Manual Rotational Jog
If you need to rotate the test fixture manually, to install and align a test fixture for example, you can unlock the torsion drive in the software and position the load string manually. Warning Remove any torque before unlocking the torsion drive. This prevents unexpected rotation. Product Support: www.instron.com... - Page 26 Chapter: Function of Controls 1. Make sure that no specimen is installed. 2. Select in the Console area to open System Details. 3. Select in the System Settings area to open the Transducer dialog for rotation. 4. Select the Toggle torsion lock button to unlock the torsion drive. 5.
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Page 27: Testing
5. Make sure that the appropriate travel limits are set (refer to the Operator’s Guide for the standard 6800 testing system) ® 6. Start Bluehill software. ® 7. Calibrate and balance all transducers in Bluehill . This includes displacement, load and torque transducers. Product Support: www.instron.com... -
Page 28: Set Up The Rotation Transducer
Chapter: Testing You can now proceed to set up the rotation transducer (refer to “Set up the rotation transducer” on page 28). Set up the rotation transducer 1. Make sure that no specimen is installed. 2. Select in the Console area to open System Details. 3. -
Page 29: Rotational Crosshead Alignment For Axial Testing
10. Select Balance to balance the rotation transducer. 11. Remove the alignment bar. The system is ready for axial testing and the torsion motor drive will hold its position as long as the torsion controller assembly is powered up. Product Support: www.instron.com... - Page 30 Chapter: Testing M10-17497-EN...
- Page 32 www.instron.com...
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