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1. High skilled and well-trained working team under good management environment.
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1. High skilled and well-trained working team under good management environment;

| Aluminum | AL5052, AL6061, AL6063,AL7075 etc. |
| Stainless steel | SS201, SS303, SS304, SS316 etc |
| Brass | C36000 (C26800), C37700 (HPb59), C38500 (HPb58), C27200 (CuZn37), C28000 (CuZn40) etc |
| Bronze | C51000, C52100, C54400, etc. |
| Iron | 1213, 12L14, 1215 etc |
| Steel | Q235, 20#, 45# etc. |
A: A flywheel pulley serves two main purposes: power transmission and energy storage. The "flywheel" effect uses rotational inertia to smooth out fluctuations in speed from the motor, while the "pulley" aspect transfers torque to other components via belts (V-belts, ribbed belts, etc.).
A: You should inspect the grooves for the following signs:
Sidewall Wear: If the walls of the V-groove appear concave or "dished," the belt will slip.
Shine or Polishing: Extreme "glazing" inside the groove indicates frequent belt slippage.
Wiggling: If a new belt "bottoms out" (touches the base of the groove), the pulley is significantly worn and must be replaced.
A: Because flywheels are heavy and often operate at high speeds, Dynamic Balancing is critical. An unbalanced pulley causes excessive vibration, which leads to:
Premature bearing failure.
Structural fatigue on the machine frame.
Decreased belt life and increased noise levels.
A: It depends on the application:
Cast Iron (e.g., GG25): Standard for most industrial uses. It has excellent dampening qualities (absorbs vibration) and high wear resistance.
Steel: Preferred for high-rim-speed applications where cast iron might fracture due to centrifugal force, or in environments subject to high impact shocks.
A: Proper alignment is key to preventing belt flip-over and uneven wear.
Parallelism: Ensure the shafts are parallel.
Offset: Ensure the grooves of both pulleys are in a straight line.
Pro Tip: Use a laser alignment tool for maximum precision, as traditional "string" methods can be inaccurate over long distances.
A: Overheating is usually caused by:
Slippage: If the belt is too loose, the friction generates intense heat.
Over-tensioning: If the belt is too tight, it puts excessive radial load on the bearings/hub, causing heat buildup.
Misalignment: Friction between the belt side and the pulley flange.
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