{"id":4639,"date":"2024-08-31T16:27:15","date_gmt":"2024-08-31T14:27:15","guid":{"rendered":"https:\/\/www.traxx-group.com\/en\/?p=4639"},"modified":"2024-08-05T15:32:52","modified_gmt":"2024-08-05T13:32:52","slug":"torque-plus-angle-method-of-tightening","status":"publish","type":"post","link":"https:\/\/www.traxx-group.com\/en\/2024\/08\/31\/torque-plus-angle-method-of-tightening\/","title":{"rendered":"Torque plus angle method of tightening"},"content":{"rendered":"\t\t
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\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\"torque\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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In which situations should the torque plus angle method of tightening be employed?<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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The torque plus angle method of tightening is a fastening technique utilized in the assembly of mechanical components, particularly in the context of securing bolts or screws. Unlike torque-based tightening, which measures the applied rotational force, the torque plus angle method focuses on the angle of rotation of the torque wrench or tool.<\/span><\/p>

If greater precision is sought compared to a torque wrench, the torque plus angle method of tightening becomes an intriguing method for fastening control. Often, the torque wrench triggers before the desired torque value is achieved. This is attributed to the frictional forces present in the threads and beneath the screw head. The angular tightening method provides a more accurate result as it disregards these frictions and parasitic forces, relying instead on the angle of tightening.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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The angular tightening method principle<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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The principle is grounded in the notion that the degree of rotation of a screw or bolt is directly proportional to the applied tension or clamping force. Specifically, as the screw is tightened, the angle of rotation of the wrench or tightening tool is measured rather than the clamping force itself.<\/span><\/p>

Utilizing the torque plus angle method of tightening adds a layer of precision to the fastening process, where the degree of rotation becomes a direct indicator of the applied tension or force. Additionally, understanding the screw pitch allows for accurate estimation of the elongation resulting from angular tightening. If you seek more information on it, kindly refer to the provided article.<\/span><\/p>

Torque tightening represents a straightforward and expeditious approach to bolt fastening; however, the resultant tension hinges upon the coefficient of friction engaged during the tightening process.<\/span><\/p>

Assessing and quantifying friction proves to be a challenging endeavor, making the precision of clamping force in tension correlated with applied torque relatively approximate, unless meticulous experimental protocols are conducted under identical conditions.<\/span><\/p>

In contrast, Torque and Angle tightening emerges as an advanced industrial fastening technique that mitigates the uncertainties linked with the coefficient of friction. This method achieves greater precision by influencing the elongation of the bolt during tightening, allowing for direct control over the applied tension.<\/span><\/p>

A distinctive advantage of Torque and Angle tightening lies in its ability to calculate the required angle of rotation for the nut or screw based on the known thread pitch. This calculation facilitates the attainment of the desired tension, thereby enhancing overall control over the tightening process.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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Torque angle calculator<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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This entails stating that if we rotate the nut by one full turn (360\u00b0), it is equivalent to traversing one pitch on the screw. If we know the screw pitch (in mm), then we can determine the elongation of the screw. Therefore, performing an angular tightening of 90\u00b0 signifies that the screw has elongated by one-quarter of the screw pitch. If the screw pitch is 1mm, it implies that the screw has elongated by 0.25mm.<\/span><\/p>

For more comprehensive insights into the angular tightening method principle<\/a>, refer to this article here.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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How angular tightening is executed<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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This is a general overview of the process:<\/span><\/p>

  1. Preparation:<\/span><\/strong> Before tightening, the contact surfaces and bolt threads are typically lubricated to ensure a uniform distribution of tension.<\/span><\/p><\/li>

  2. Initial <\/span><\/strong>t<\/span><\/strong>ightening:<\/span><\/strong> An initial tightening is performed to establish contact between the components.<\/span><\/p><\/li>

  3. Angle <\/span><\/strong>m<\/span><\/strong>easurement:<\/span><\/strong> Instead of measuring torque, the operator gauges the angle of rotation of the wrench or tightening tool when applying additional force to further tighten the screw.<\/span><\/p><\/li>

  4. Target <\/span><\/strong>a<\/span><\/strong>ngle <\/span><\/strong>c<\/span><\/strong>ontrol:<\/span><\/strong> The tightening specification often includes a predetermined target angle, based on material properties and joint type. The operator tightens the screw until the angle reaches this specified target value.<\/span><\/p><\/li>

  5. Verification:<\/span><\/strong> Post-tightening, it is common practice to verify the achieved angle against the specified target. This step ensures that the desired level of tension has been applied accurately.<\/span><\/p><\/li>

  6. Repeatability:<\/span><\/strong> The angular tightening method offers enhanced repeatability compared to torque-based methods. This is particularly advantageous in applications where consistent and precise tensioning is critical for joint integrity.<\/span><\/p><\/li>

  7. Documentation:<\/span><\/strong> Proper documentation of the tightening process, including the achieved angle and any deviations, is essential for quality control and traceability.<\/span><\/p><\/li><\/ol>

    Incorporating the angular tightening method enhances the control and accuracy of the tightening process, particularly in applications where achieving a specific angle is crucial for optimal performance and longevity of the joint.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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    \n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\"\"\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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    how to use torque angle gauge\u00a0? a technical guide<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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    A torque angle gauge is a specialized tool employed in precision fastening applications, offering a means to apply torque in conjunction with a specified angle for accurate bolt tightening. Here is a step-by-step guide on how to effectively use a Torque Angle Gauge:<\/span><\/p>

    1. Selection of <\/span><\/strong>t<\/span><\/strong>orque <\/span><\/strong>s<\/span><\/strong>pecification:<\/span><\/strong><\/p>