Backlash doesn’t get a lot of respect. On paper it’s one more tolerance on the drawing, easy to skim past. In the real world it decides whether a gearbox runs quiet or noisy, runs cool or hot, holds position or rattles every time it reverses. We’ve lost count of the pairs that looked perfect as […]
Author Archives: Jake Ni - Technical Director
06
Oct
Oct
Many types of machinery need to transfer power from one direction to another, such as converting horizontal input into vertical output. For this type of 90-degree transmission, bevel gears are a very common solution. However, needing a right-angle drive does not always mean that bevel gears are the only option. In real projects, engineers and […]
29
Sep
Sep
Gear hobbing and gear shaping are both common generating processes in gear manufacturing, but they are not interchangeable. Hobbing is usually the more efficient choice for standard external spur and helical gears, while shaping becomes more practical when the tooth geometry or cutter access makes hobbing difficult. For buyers, the process choice should start with […]
28
Sep
Sep
Gears operate under constant loads, repeated meshing, friction, and shifting temperatures. Over time, they can develop issues like pitting, wear, galling, cracks, and broken teeth. In high-speed and heavy-duty applications, a single gear failure can ripple through and disrupt the entire transmission system. Gear failure is rarely caused by a single factor. Material selection and […]
23
Sep
Sep
At first glance, sprockets and gears can look like parts that do the same job. Both pass rotary motion and torque from one shaft to another. The difference is in how they do it: gears work through direct tooth-to-tooth contact, while a sprocket normally drives a roller chain, and the chain carries motion to another […]
22
Sep
Sep
Spiral bevel gears are used in car drivetrains, farm machinery, construction equipment, and industrial drives. They run smoother than standard gears, carry more load, and transmit power better. That’s why they’re often chosen for jobs where reliable power transfer matters. Their curved teeth, though, are tricky to manufacture accurately. After heat treatment, gear makers traditionally […]
21
Sep
Sep
Choosing the right bevel gear manufacturer is a critical step for companies sourcing precision transmission components. While many suppliers can produce bevel gears, differences in manufacturing capability, gear accuracy, material control, and inspection processes can directly affect product performance, assembly reliability, and long-term operating stability. For custom bevel gear projects, buyers need to evaluate more than […]
18
Sep
Sep
When a vehicle turns, the wheels on both sides naturally need to rotate at different speeds. The outer wheel travels a longer distance, while the inner wheel moves a shorter distance. An automotive differential gear system makes this possible by distributing power smoothly while allowing each wheel to rotate at the speed it needs. For […]
15
Sep
Sep
Small pits on a bevel gear tooth are often blamed on poor material or low hardness. Those are possible causes, but they are rarely the only ones. Pitting usually develops when repeated contact stress acts on a local area that is carrying more load than expected. The contact pattern, mounting position, lubrication, tooth finish, heat […]
14
Sep
Sep
Two gears can rotate normally and still have less-than-ideal meshing conditions. Besides module, tooth count, pressure angle, center distance and tooth form, gear contact ratio is another important parameter for evaluating whether a gear pair can transmit motion continuously and smoothly. In simple terms, contact ratio describes how many pairs of teeth are involved in transmitting […]