Saddle wrap angle issue
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I’m a beginner and don’t understand what the seat bag angle is; why must it be 120 degrees? Is it okay if it’s more than 120 degrees? For example, can I set it to 127 degrees? Why? ? Thank you to all the teachers.
The standard angle is 120 degrees or 150 degrees; if you design it at 127 degrees, you need to specify the reference saddle standard, and the manufacturer will produce it according to your requirements. Since everyone generally follows the standards, and the stress strength meets the requirements, why create one’s own approach?
Less than 120 is not allowed; greater than that should be fine, though it’s not standard
The standard one is 150 degrees. Generally, design institutes do not produce drawings, so 120 degrees is used directly.
Any wrap angle is acceptable, but it cannot be calculated according to current standards. 120° and 150° are conventions that have been in use for many years; there is no need to change them.
The standards are recognized by experts, and the on-site tests are reliable; they are methods approved by most professionals. Of course, you can design approaches from other angles, but your design must be reliable. Proving its validity, conducting calculations, and running tests are all complicated tasks, while using standards saves a lot of effort and ensures reliability
You can make it 720 degrees as well; only Yao can do the calculations. Of course, it also depends on whether it’s cost-effective, how troublesome the production is, whether the structure is reasonable, and so on.
The larger the wrap angle, the better, as it results in greater stress on the equipment; angles of less than 120 degrees are also acceptable, only there is no corresponding calculation factor specified in current standards. Additionally, the stress levels in this case are not very good, and it is not recommended to use saddles with angles below 120 degrees, considering factors such as cost.