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15 2026-07 Today, Guangming Group shares the core structure and specifications of D-bore helical gears.
It is formed by milling one flat side of a round hole, which locks the flat section of the transmission shaft without flat keys to prevent slipping.
Structure: Circular wall with one flat positioning edge
Matching method: Interference press-fit as the primary assembly method; heavy-load versions feature threaded set screw holes on the hub for secondary locking reinforcement.
Hub: Thickened cylindrical hub improves the torsional strength of the D-bore and avoids cracking of the bore wall under torque.
As a professional manufacturer and factory based in China, we strictly control the dimensional tolerance of each D-bore to guarantee stable fit performance for global buyers and suppliers.
13 2026-07 oday, Guangming Group shares the assembly and operation precautions for T-type duplex gears (helical teeth + spur teeth)
As a professional gear manufacturer and factory based in China, our team summarizes standardized operation guidelines for this duplex gear, which are widely shared with all suppliers and downstream equipment clients.
10 2026-07 Guangming Group Talks Today: What Are the Main Application Scenarios of T-type Double Gears?
As a professional China manufacturer and reliable global supplier with our own independent production factory, we specialize in producing high-precision T-type double gears for diverse industrial transmission solutions. Our factory strictly controls production quality and delivery cycles, making our T-type double gears widely adopted in the following mainstream application scenarios: