Timing Pulley (1.5×118)
The timing pulley is a precision transmission component used together with the timing belt, specification 1.5×118 (for 1.5mm-pitch belts, with outer diameter or tooth count corresponding to the 118 spec). Made of high-grade aluminum alloy or steel with CNC-machined teeth, it features an accurate profile and even tooth spacing for tight meshing with the belt, delivering high transmission efficiency and low runout. The bore is precision-bored for a proper fit with the motor shaft or lead screw shaft, ensuring stable rotation without wobble after installation. Zero-slip belt-pulley transmission ensures every pulse from the CNC system is precisely converted into table displacement, making it the core transmission component for high-precision point positioning and contour following on WEDM machines.

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