What are the standards for pulleys?

2 Answers
McEdward
07/28/25 8:02pm
.First, standard parts refer to commonly used components (parts) that have been completely standardized in terms of structure, dimensions, drawing methods, markings, etc., and are produced by specialized manufacturers. Standards for pulleys: Standard parts refer to commonly used components (parts) that have been completely standardized in terms of structure, dimensions, drawing methods, markings, etc., and are produced by specialized manufacturers. Diameter of pulleys: The diameter of the pulley at the reference width of the groove. A pulley consists of three parts: the rim, the web (spoke), and the hub. The outer annular part of the pulley is called the rim, which is the working part of the pulley used to install the drive belt and is equipped with trapezoidal grooves.
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DelTanner
08/12/25 12:52am
First, you need to understand the tire size, like the numbers 195/65 R15, which tell you the tire width, sidewall height, and rim size. Don’t underestimate this—getting it wrong will make driving feel off. Another important factor is the load index and speed rating, marked as something like 95H, indicating the weight the tire can bear and its maximum speed. Overloading or speeding can easily lead to a blowout, which is extremely dangerous. Pay attention to the air pressure standard as well—too high or too low will accelerate wear and affect handling. I recommend checking the tire pressure gauge monthly to maintain the manufacturer’s recommended value. Also, a tread depth of at least 1.6 mm is the basic requirement; if it’s too shallow, the tires will slip, especially dangerous in the rain. Regularly visit a shop for balancing and wheel alignment to ensure even wear, which extends tire life and saves money. Remember, tire standards aren’t just numbers—they’re about safety and your car’s overall performance.
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