Ultra-Rigid Dynamic Drive: DSZT Series 8-Bolt Steel Single Disc Couplings

The DSZT Series 45# Steel Single Diaphragm Coupling represents the benchmark for high-torque rigidity and zero-backlash velocity control. Forged from select 45# structural carbon steel and protected with an anti-oxidant black oxide finish, the DSZT series introduces a heavy-duty 8-bolt polygonal arced disc design. By distributing rotational forces across eight strategic anchoring points, it achieves exceptional torsional stiffness and immediate response times. Combined with an integrated keyless expansion sleeve (胀套) mechanism, it delivers a secure friction grip around the shaft, eliminating keyway wear and making it an exceptional component for high-speed servo motors, stepper drives, and precision ball screw assemblies.

Core Product Advantages

• High-Rigidity 8-Bolt Membrane Architecture: Utilizes an upgraded 8-screw polygonal 304 stainless steel disc pack to increase torque handling capacity and structural stability compared to standard 4-bolt or 6-bolt couplings.

• Keyless Expansion Sleeve Union: Features an integrated taper locking element that establishes uniform 360-degree compression around the shaft, removing slippage hazards and balancing concentricity under heavy stress.

• Absolute Zero-Backlash Transmission: Symmetrical manufacturing profiles guarantee identical rotational and mechanical attributes in both clockwise and counter-clockwise directions, crucial for rapid positioning routines.

• Ultra-Low Rotational Inertia Layout: Designed with a compact, balanced footprint optimized for high-RPM operation, reducing motor load and improving energy efficiency during rapid start-stops.

• Multi-Axis Alignment Compensation: The high-tensile flexible 304 stainless steel spring sheets isolate and absorb machinery vibrations while accommodating angular and axial installation misalignments.

• Simple Construction & Easy Inspection: The open-architecture single-diaphragm framework allows field technicians to perform fast visual maintenance checks without dismantling the main drivetrain.

• Massive Stock Pools for Rapid Deployment: We maintain substantial quantities of semi-finished component blanks, ensuring swift custom boring turnaround times to match your exact metric or imperial shaft blueprints.

Technical Specifications Table