The peak torque or peak down torque in breakaway tests is captured automatically. This International Standard describes torque and preload test method for threaded collars. That point of movement is "breakaway torque." RS Technologies, a Division of PCB Load & Torque, Inc. 24350 Indoplex Circle, Farmington Hills, MI 48335 USA Toll-Free in the USA 888-684-2894 Fax:716-684-0987 Email:rsinfo@pcbloadtorque.com www.pcbloadtorque.com ISO9001Certified A2LA Accredited to ISO17025 Engineering Fundamentals of Threaded Fastener Design and Analysis By Ralph S. Shoberg, P.E., Director of Technology, PCB Load & Torque … Automatic Breakaway Torque Tester . The bearing preload is determined by measuring the torque required to rotate the inner race while the outer race is held. These wrenches feature a large easy to read dial with an indicator needle to record the highest torque before the breakaway occurs. This will be proportional to the mass being rotated and its moment of inertia. The torque required to initiate turning is referred to as breakaway. The torque testers had to have clear intuitive controls, with easy-to-read pass/fail parameters, an on-board memory to keep statistical results, and also had to be waterproof for testing on the production floor. The friction may be between the container finish or seal and the cap or its liner, in the screw thread or threads, or all of these. Typical, standard tools work within a range 5-170in/lbs. Other sizes are available with special order. However, auditing fasteners made of plastic or small-size screws is often challenging, as standard breakaway testing will not always show a clear dip in torque. but if requirement falls outside of limits a tool can be made to suit. Plain Bearing No-Load Rotational Breakaway Torque Measurement ARP5448/5 This test method provides a procedure for measuring no-load rotational breakaway torque of self-lubricating spherical bearings. Imada’s DI-12 motorized auto-detect breakaway torque tester drives the test piece at consistent speed and detects breakaway torque of even small or plastic fasteners. Loosening test also called breakaway test operates similar as the movement check except an extra force is employed to the fastened bolt in the loosening direction. To prevent transverse frictional forces, the holding fixture and support bearing are mounted on a common precision slide … q�R�. to 1.000 inch I.D. The DI-12 outputs torque data continuously (in PD mode) to data acquisition software via the USB virtual COM port, enabling the display of breakaway torque profiles. This will change with reuse and be referred to as the “1st Off”, “5th Off” torque and so forth. h�bbd``b`� $_��" �tD��� �K@�;HX�q v��[ �u �w����@,!�fs������b``�M�g��` 3�@ endstream endobj startxref 0 %%EOF 257 0 obj <>stream !��,/�Lܼ�:��O�����/8܀NXD-k�*�5�p�|�dӱ����.��u.�\���+���_��2�Wˣ�M���AG wI!}�d�ِ&���]A����⍣Jafn�������2�#L�cn*w䵈�f��! Step 2 – Select Gauge Pin The amount of torque necessary to loosen the bolt is the torque applied to the bolt in the beginning. Gsv�^}���l.��J�C����W��)�pi͔xO,����'��u�[�+����e{5KT� �`�$���Ch�+�x[�҅�۔&ܲ����wwx_L�`k}��c��@�3&d�a�9�&�Ŝ��a��T�e�eڞ Virtual RS-232 (9600 bps): PP 1 peak data, PD 80 data/sec. This assumes (theoretically) that torque values dip down briefly before climbing to higher than original tightened torque. Warranty  Return  Privacy  Repair/Calibration, IMADA, Incorporated   This is the torque due to the locking element only. The breakaway is the preferred method for the measurement of residual torque. The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. TR displays real time torque values. After being tightened, and torque is applied, there is a point when the fastener begins to move again. Breakaway torque tests require a skilled, experienced operator to sense when the bolt begins to breakaway. The larger impact wrench method would be done by using the more powerful tool to tighten a nut/bolt over the maximum torque which the impact being tested could achieve on it’s own (for example — 1,100 ft-lbs). The Series i torque calibrator displays Max, Min and Avg statistics. The tester can read values in lbf-in, kgf-cm, N-cm and N-m. What’s Included All series i torque testers are sold in kit form complete with tester, hard carrying case, 2 driver adapters and AC charger/adapter. PNote Calculation results of the test self-locking torque statistical control methods pnooesu (SPC) has no statistical significance a Clamping force nuts for strength class 04 is equal to 80% of the test load for nuts strength class 04 nominal diameter of 3 mm . The DI-12 outputs torque data continuously (in PD mode) to data acquisition software via the USB virtual COM port, enabling the display of breakaway torque profiles. The Importance of Torque Auditing The tester features three measurement modes: TR, PP and PD. Model : Capacity : Approx. ���`>S�^�D嬽%�X��&��_��F:I��D?�ӕ�s$ ,M��Gŭpٮa���:���V�׹�X��.�1����D8j����O���}�k��. If breakaway torque value is detected, the green indicator will light, and tester rotation will stop automatically. 229 0 obj <> endobj 249 0 obj <>/Encrypt 230 0 R/Filter/FlateDecode/ID[<6708A374A9B04CA8A69F73D811633EE4>]/Index[229 29]/Info 228 0 R/Length 95/Prev 534528/Root 231 0 R/Size 258/Type/XRef/W[1 2 1]>>stream DI-12 Breakaway Torque Tester automates breakaway torque tests used to verify actual tightening torque on bolts and other fasteners. PP Displays peak torque values. It is similar to the “ first movement ” method, with one basic difference. Breakaway Torque Tester DI-12 Breakaway Torque Tester DI-12 breakaway torque tester verifies the actual tightened torque of a fastener. Step 1 – Insert Breakaway Torque Tool into Bearing Insert breakaway torque tool into bore of the bearing until the flange sits flush against the bearing. If the breakaway force of a nut is too low, the vibration of the equipment may cause the nut to loosen; if it's too high, the threads may strip and the bolt may be impossible to remove. Instead of applying torque in the tightening direction of the fastener, this test uses force in the direction that loosens the fastener. The DI-12 can also detect yield torque value for a specific joint, to easily establish ideal tightening torque. Breakaway torque is the turning force required to initiate rotation (similar to static friction), and running torque is the turning force required to keep a system in rotation (similar to kinetic friction). Spillage on filling can either … PP Displays peak torque values. kebamerica.com. The tester would then take the lesser-powered impact and would immediately try … The tip cap is held in a positive-fitting fixture with toothed pulley and belt. We tend to look at movement at about 3 degrees of rotation. It’s easy to use and provides rapid, reliable testing for actual tightening torque. The Imada Cedar DI-12-SL Automatic Breakaway Torque Tester is designed to find the actual yield tightening torque value for specific thread joints which consist of a variety of thread types, multi-layered material, hole sizes, etc.Torque controlled power tools are set to apply consistent torque, but fasteners are not necessarily tightened to that value if the tools are not calibrated. We stock dial indicating torque wrenches and torque test adaptors for bearings from .187 inches I.D. There are two basic types of torque-to-turn tests: Breakaway torque (BT) is required to get the shaft moving, to overcome the inertia of the crankshaft and the static friction between it and the seal. The DI-12 also can be used to detect the yield torque value of a specific joint, to help establish an ideal tightening torque value by testing—not by commonly used calculation methods. This breakaway point is detected as an initial peak, and is followed by a reducing running torque. "Rc���� endstream endobj 234 0 obj <>stream The syringe barrel is gripped firmly in a holding fixture. Series TT01 Cap Torque Testers are designed to measure the application and removal torque of bottle caps. What is Breakaway Torque Used for? Breakaway Torque — The torque necessary to start relative ro-tation between a locking fastener and its mating thread with no axial load on the screw. Mechanics and engineers often measure the breakaway torque of threaded fasteners in part to ensure product integrity as part of a process called torque auditing. That means the tool … Once torque has been applied to a joint, an audit function measures exactly how tight that fastener was torqued. Power tools provide dynamic torque that can vary depending on many variables, such as joint material types, joint layer thicknesses, temperature, the presence of lubricants, etc. We do this in relaxation tests, for example. With our clamps, breakaway torque is determined in the development phase in order to ensure that sufficient clamping force – in addition to all existing requirements – is maintained. ̀�+�s�b�Q�X Additionally, performing a good breakaway test requires a skilled operator and many hours of training and experience. The tester features three measurement modes: TR, PP and PD. The end of the tip cap is carried in a support bearing. The most common torque auditing method is breakaway testing. The syringe barrel is gripped firmly in a holding fixture. Controlling the tightening torque on fasteners (bolts and screws) being tightened by impact and non-impact power tools is challenging. *�����oZN?���(w�h�p��/ PD determines breakaway and yield torque (CW only). ISO-17025 Certificates are available at an additional charge. Bearing Preload Test with TorquePRO In the manufacturing of Precision Bearings, every bearing must go through a final quality test where the breakaway torque and the running torque are measured to determine the bearing preload. Test fixture for tip cap breakaway torque with a single-axis testing machine Torque is applied to tip caps on disposable medical syringes to determine their breakaway torque. 2 Normative references. Using an Imada DI-12 motorized auto-detect breakaway torque tester, operators achieve a more reliable and consistent breakaway torque measurement, even in the case of small or plastic fasteners. Torque-to-turn These measurements are an essential validation and diagnostic tool for any assemblies where the primary function involves rotating parts, such as engines, motors, transmissions or axles. TR displays real time torque values. Torque is applied to tip caps on disposable medical syringes to determine their breakaway torque. Detector: 44mm diameter × 190mm length, 1/4" hex drive Indicator: 87mm W × 108mm D × 33mm H, Selectable units: lbf-in, kgf-cm, N-m units available, Breakaway, Peak and Real Time measuring modes (selectable), USB virtual COM port sends 80 data/second or peak data. PP: Displays PEAK Torque value that will not change until a higher value is measured. Once breakaway torque is measured, power drivers can be reset to the proper tightening torque. DI-12 Breakaway Torque Tester. All testers come with a 3-Point Certificate traceable to NIST. �M-#4��-t����T[/qEJt �= DK��@|NXg�JZ��!�D\��ɯ����5�)Ͻ{�[B�v�V��Cfi4Ѳ��X>ܭ���'��D����yO*�� z%����.kޓ��$��ٱ�֠�Q���d��W�����?����L��#�艈�K �D&�ɪՉN�/������">Q1�/�!U����.�:��L��亟����n��,�^+]5��� Ӏ���( This process involves applying additional torque to a tightened fastener to detect actual tightened torque as the fastener starts moving. Aero Staking Break Away Torque testers and receiver cups are made-to-order devices that are designed to help measure effectiveness against the requirements of the customer specification. With this strategy, a digital torque wrench applies torque to rotate the screw further, and measures the torque at the point where the screw starts moving. Part of testing the fastener includes measuring the … �bu5j��[����e�%���&. Perform Breakaway Torque Test On main screen, click U/S button to select between units: cN-m, in-lb or kg-cm. breakaway (slip) torque . In order to test the light breakaway and running torque values required to operate the dosage dial, it is essential to eliminate friction and position the sample with absolute concentricity. If breakaway torque value is detected, the green indicator will light, and tester rotation will stop automatically. All testers are sold in a complete kit with tester, hard plastic carrying case, and AC adapter/charger.The DI-12  can run on internal rechargeable batteries or the AC adapter/charger. Emperor TM Torque software: Unlimited capability for all closure torque tests. This test method is to be used to measure the locking torque, breakaway torque, torque off and preload of threaded collars. The tip cap is held in a positive-fitting fixture with toothed pulley and belt. 3100 Dundee Rd., Suite 707, Northbrook, IL 60062 © Copyright 2021ISO 9001 Registered & ISO/IEC 17025 Accredited  Phone: 847-562-0834  Fax: 847-562-0839, ISO 9001 Registered & ISO/IEC 17025 Accredited. What is breakaway torque or as others call it, Residual Torque? The end of the tip cap is carried in a support bearing. Friction keeps a closure secure, and reduces as a screw thread is turned. The greater the friction, the greater breakaway torque required. A rugged aluminum design and simple, intuitive operation allow for use in laboratory and production environments. PD determines breakway and yield torque (CW only). %PDF-1.5 %���� The new torque tester had to be able to test tamper-evident closures for breakaway (or slip) torque and bridge torque on a wide range of plastic and glass bottles and pots. kebamerica.com . DI-12 Automatic Breakaway Torque Tester drives the test piece at consistent speed and detects breakaway torque without overtorquing … There are two basic categories of torque-to-turn tests: breakaway torque and running torque. 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The IMADA DI-12 automates this complex operation. Ranges DI-12-SL Ranges (Resolution) Accuracy: ±1% F.S., 1LSD. This test is also known as the “breakaway” test. On this basis, we recommend the tightening torque and tightening speed that must be complied with to our customers. /5F���;� y؇��\��tY��*�`���������! Breakaway torque is defined as how much torque is required to start a part’s rotation from a stationary … Loosening Torque Test. Adjustable posts effectively grip a broad range of container shapes and sizes, while optional flat and adjustable jaws are available for unique profiles. As a result, “applied torque” does not equate to “actual tightening torque.“ For this reason, auditing the actual tightening torque is critical. At the exact position that the bolt breaks loose, note the reading and mark it off. The amount of torque necessary to loosen the bolt breaks loose, note the reading mark. To verify actual tightening torque. the preferred method for threaded collars torque for! 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