Coupling
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The product is a long, multi‑stage stepped drive shaft, axially divided into multiple cylindrical sections of varying diameters. Shaft shoulders provide axial positioning for components. Within the same batch, the shafts exhibit excellent dimensional consistency, and the entire workpiece maintains tight coaxiality, resulting in low vibration and stable operation during rotary tasks, making it well suited for batch assembly applications.
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1. Material: 45# carbon steel
2. Manufacturing Process: Cutting to size, CNC rough turning, stress-relief heat treatment after quenching and tempering, finish turning, machining the bearing mounting surfaces, and final product inspection.
3. Dimensional Characteristics: The product is a long, multi‑stage stepped drive shaft, axially divided into multiple cylindrical sections of varying diameters. Shaft shoulders provide axial positioning for components. Within the same batch, the shafts exhibit excellent dimensional consistency, and the overall workpiece maintains tight coaxiality, resulting in low vibration and stable operation during rotary motion, making it well suited for high‑volume assembly applications.
4. Surface Treatment: Leave the metal in its original machined finish; for service conditions with a higher risk of corrosion, supplement with blackening to provide rust protection.
5. Product Applications: Used to assemble bearings, seals, and sprockets, enabling the transmission and output of power torque while relying on shaft shoulders to prevent axial movement of the assembly. Commonly employed in conveying equipment, small pumps, standard gear reducers, and custom automated drive modules to ensure stable and reliable operation.
Product Details
Machining Capabilities
Integrated services covering CNC machining, turning, milling, grinding, drilling, sawing, cutting, leveling, welding, and assembly.
Processed products
Large plates, flanges, shafts, welded frames, bases, hardware components, aluminum parts, and tooling fixtures.
Processable materials
Carbon steel, alloy steel, stainless steel, aluminum, copper, POM, ABS, acrylic…
Surface treatment
Galvanizing/phosphating/chromating, blackening, anodizing, wire drawing, sandblasting, baking varnish, spray painting, electrophoretic coating, nitriding…
Drawing Requirements
PDF/CAD/3D
Samples Available
Yes
Sample Lead Time
7–15 days
Machining accuracy
±0.01 to ±0.05 mm
Roughness
Ra 0.8~3.2
Inspection
Incoming material inspection → First-piece inspection → In-process inspection → Pre-shipment inspection
Packaging
Carton/Pallet/Wooden crate
Certificate
ISO9001:2015
Lead Time
1–6 weeks
Supply model
Supports single-item prototyping, small-batch trial production, and large-scale mass production.
Delivery Service
We offer machining with customer-supplied materials or with materials supplied by us, along with 3D modeling and process optimization.
After-sales service
Shipment includes a dimensional inspection report (if required); rapid response and corrective action for quality issues.
Logistics
We can arrange dedicated vehicle delivery for oversized items and provide reinforced protection with wooden crates.
Application areas
Lithium Extraction Equipment for Salt-Lake Brines
Lithium Battery Equipment for New Energy Applications
LCD Display Vision-Inspection and Burn-In Equipment
Hengan Paper Industry Packaging Machine Series
3D polishing equipment
Specializing in the custom manufacturing and supply of components for automated non-standard equipment.
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More products
Precision CNC-Machined Eccentric Crankshafts / Eccentric Shafts
CNC Precision Machined Stepped Drive Shaft
Coupling
No. 74, Zhennan 2nd Road, Xike, Tong'an District, Xiamen, Fujian, China
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