Custom Brass Synchronizer Ring for Automotive Transmission Systems | Precision CNC Machined Baulk Ring
Description
Product Overview
Our custom Brass Synchronizer Rings, also widely known as Gearbox Baulk Rings or Synchro Rings, are high-precision CNC machined core components dedicated to automotive transmission systems, hybrid gearboxes, and heavy-duty engineering machinery drivetrains. Manufactured from premium copper alloy materials including phosphor bronze, brass and sintered bronze, this thin-wall slotted ring part is professionally engineered to solve gear shifting jitter, gear collision and poor synchronization problems, delivering stable, smooth and durable transmission performance for mechanical gearbox systems.
Core Product Features & Structural Advantages
This synchronizer ring adopts a classic thin-wall annular structure with precisely milled synchronizer dog teeth and uniform precision slots, which are exclusive structural features of automotive transmission synchronization components. Different from ordinary gear parts, the dog teeth are designed with professional chamfer and guide angle to ensure accurate meshing with the gearbox sleeve, realizing fast and gentle gear locking. The built-in high-precision friction cone surface cooperates with the excellent friction coefficient, thermal conductivity and anti-seizure performance of copper alloy materials, effectively completing speed synchronization during gear shifting, eliminating gear clash and hard shifting issues.
Strict precision control is implemented throughout the production process. The product achieves a tolerance of ±0.01mm, concentricity ≤0.02mm and surface roughness of Ra 0.8–1.6μm, with consistent tooth pitch and zero burrs on all tooth grooves. It perfectly solves the common processing pain points of thin-wall copper parts such as easy deformation, thermal stress and uneven slot precision, ensuring high matching accuracy and long-term operational stability.
Professional Manufacturing Technology
We adopt a mature composite processing technology including CNC precision turning, gear shaping, broaching, micro slot milling and precision surface grinding. Combined with fine deburring and polishing treatment, the product fully meets the high-standard assembly requirements of original gearboxes. Custom heat treatment services are available to further enhance the surface hardness, wear resistance and fatigue resistance of the parts, adapting to high-frequency shifting and long-term heavy-duty working environments.
Wide Application Scenarios
Widely applicable to automotive manual transmissions, hybrid electric vehicle transmission systems, heavy-duty truck gearboxes, construction machinery, agricultural machinery and industrial transmission equipment. It is a key wearable precision component for ensuring the smooth operation of power transmission systems.
Customization & Quality Assurance
We support full OEM/ODM customization according to customer drawings and samples, including personalized adjustment of outer diameter, inner diameter, thickness, tooth shape and slot parameters. Multiple drawing formats such as STEP, IGS, DWG and DXF are acceptable. All products undergo 100% dimensional inspection and precision testing before delivery, from prototype trial production to mass batch production, to provide customers with high-quality, cost-effective precision transmission CNC machining parts and one-stop custom processing services.
CNC Machining Services Parameters
| Parameter | Specification |
|---|---|
| Product Name | Custom Brass Synchronizer Ring |
| Alternative Name | Baulk Ring / Gearbox Synchronizer Ring |
| Industry | Automotive Transmission Systems |
| Application | Manual Transmission / Heavy-Duty Gearbox / Engineering Machinery Transmission |
| Material Options | Brass, Phosphor Bronze, Sintered Bronze, Copper Alloy |
| Manufacturing Process | CNC Turning, Gear Shaping, Broaching, Precision Milling |
| Surface Finish | Deburring, Polishing, Fine Machined Finish |
| Outer Diameter | Customizable |
| Inner Diameter | Customizable |
| Thickness | Customizable |
| Tooth Type | Dog Teeth / Synchronizer Teeth |
| Tooth Machining | Gear Hobbing, Gear Shaping, Precision Slot Machining |
| Tolerance | ±0.01 mm |
| Concentricity | ≤0.02 mm |
| Surface Roughness | Ra 0.8 – Ra 1.6 |
| Heat Treatment | Available Upon Request |
| Feature Characteristics | Thin Wall, Precision Teeth, Friction Cone Surface, Burr-Free |
| CNC Machining Capability | High Precision Thin-Wall Ring Machining |
| OEM / ODM Service | Supported |
| Drawing Format | PDF, DWG, DXF, STEP, IGS |
| Quality Control | 100% Dimensional Inspection |
| Production Volume | Prototype / Small Batch / Mass Production |
| Packaging | Anti-Rust Protection + Export Carton |
| Export Markets | Europe, North America, Southeast Asia |
Additional information
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