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CNC Power Tool Components Technical Specifications
| Component Types | Drive Shafts, Load-Bearing Pins, Structural Bushings, Precision Gears, Spindles |
|---|---|
| Primary Equipment | Star CNC Swiss-type Lathes, 4-axis CNC Machining Centers, Cylindrical Grinders |
| Dimensional Tolerance | Critical Diameters: ±0.005mm; General Tolerances: ±0.01mm |
| Geometric Tolerances | Concentricity: 0.005mm; Straightness: 0.002mm/100mm; Cylindricity: 0.003mm |
| Common Materials | 42CrMo, 20CrMnTi, GCr15 (AISI 52100), SUS303/304/316L, 1045 Carbon Steel |
| Heat Treatment | Quenching & Tempering, Induction Hardening (HRC 55-62), Carburizing |
| Surface Roughness (Ra) | Ground/Honed Surfaces: Ra 0.2 - Ra 0.4; Precision Turned: Ra 0.8 |
| Machining Features | Involute Splines, Keyways, Micro Lubrication Holes, Threaded Drive Ends |
| Surface Treatments & Cleaning | Nitriding, Black Oxide, Zinc/Nickel Plating, Phosphating, Ultrasonic Cleaning |
| Inspection Equipment | Japanese/German CMM, Roundness Testers, Hardness Testers, Air Gauges |
High-CNC Power Tool Components for Extreme Load, Wear, and Fatigue Resistance
At Xierge Precision Machinery Co., Ltd., we leverage over 30 years of operational experience since 1990 to manufacture premium CNC Power Tool Components for the global automotive, industrial machinery, and medical equipment sectors. Steel components—such as hardened drive shafts, load-bearing pins, structural bushings, and precision gears—are subjected to extreme mechanical stress, high torsional loads, and continuous cyclic fatigue. These demanding applications require the components to possess extreme tensile strength, flawless concentricity, and superior surface hardness. In high-speed rotary or heavy-load environments, even a microscopic deviation in cylindricity, a slight surface defect, or improper material density can lead to accelerated wear, stress fracturing, and catastrophic system failure.
To achieve flawless results, our state-of-the-art facility is equipped with Japanese imported Star CNC Swiss-type lathes, advanced multi-axis CNC machining centers, and high-precision internal and external cylindrical grinders. The specialized guide bushing technology on our Swiss lathes provides continuous, rigid support, completely eliminating deflection when machining long, slender steel geometries. This specialized equipment allows us to turn complex stepped profiles, drill precision cross-lubrication holes, and machine intricate splines in a single continuous setup, ensuring absolute coaxiality between the bearing journals and functional diameters.
Following our core principle of "Integrity Oriented, Quality Foremost," we strictly adopt premium raw materials, such as 42CrMo, 20CrMnTi, GCr15, and SUS304/316L, to ensure maximum structural integrity and wear resistance. To guarantee reliable product performance, we apply strict quality inspection protocols utilizing a complete set of testing instruments imported directly from Japan and Germany, verifying hardness, dimensional accuracy, and geometric tolerances. We keep innovating to maintain sound business development and warmly welcome domestic and overseas clients to visit our factory and explore custom OEM/ODM cooperation opportunities.
Core Advantages of Xierge CNC Power Tool Components
- Extreme Fatigue and Torsional Strength: We strictly select 42CrMo and GCr15 alloy steels, applying precise induction hardening to functional surfaces to achieve HRC 55-62, providing excellent wear resistance against explosive mechanical loads.
- Zero-Deflection Slender Machining: Our Japanese Star CNC Swiss-type lathes utilize continuous guide bushing support, enabling the machining of long, slender steel shafts without bending, ensuring superior straightness and concentricity.
- Single-Setup Coaxiality Control: By turning complex profiles, drilling micro-holes, and machining splines in highly rigid, single continuous setups, we eliminate secondary clamping errors, maintaining strict coaxiality for smooth high-RPM operation.
- Advanced Precision Grinding & Honing: Equipped with high-precision internal and external cylindrical grinders, we achieve mirror-like finishes (Ra 0.2) on bearing journals and inner bores, significantly reducing friction and preventing premature wear.
- Burr-Free Micro-Hole Drilling: To prevent internal debris from scoring mating components, we utilize specialized gun drilling and thermal energy deburring (TEM), followed by rigorous ultrasonic cleaning.
- Thermal Deformation Correction: For hardened steel parts, we meticulously manage heat treatment and utilize precision post-grinding to correct any micro-warping, restoring exact cylindricity and straightness tolerances.
- 3-Decade OEM/ODM Expertise: Since 1990, we have continuously innovated, providing DFM (Design for Manufacturing) optimization and full PPAP documentation for custom steel components, scaling seamlessly from prototyping to mass production.
Payment Methods & Global Logistics Solutions
Secure International Payment Terms:
To facilitate smooth B2B international trade, we offer flexible and secure payment options. For mass production orders of CNC Power Tool Components, we accept standard T/T (Telegraphic Transfer) with a 30% advance deposit and 70% balance before shipment. For large-scale automotive or industrial machinery supply contracts, we are fully capable of processing Irrevocable Letters of Credit (L/C) at sight. For initial prototyping, sample orders, or custom tooling fees, PayPal and Western Union are also available to expedite the process.
Global Logistics & Protective Packaging:
We provide comprehensive end-to-end shipping solutions under FOB, CIF, and DAP Incoterms. For urgent prototypes or small batches, we utilize expedited international couriers such as DHL, FedEx, and UPS. For bulk mass production, we offer highly competitive sea freight (LCL/FCL) and air cargo rates through our trusted global forwarder network. Recognizing that steel precision parts are heavy components with delicate ground surfaces, splines, and micro-holes highly susceptible to impact chipping, friction damage, and oxidation, we utilize specialized protective packaging: all critical mating surfaces are coated in heavy anti-rust oil and wrapped in VCI (Volatile Corrosion Inhibitor) paper. To prevent point contact and tooth deformation, components are partitioned in custom rigid blister trays or multi-layer EPE foam slots, packed in sturdy export-grade cartons or heat-treated wooden cases to ensure zero damage during international transit.
FAQ
Austenitic stainless steels work-harden rapidly, causing rapid tool wear and poor surface finish. We utilize sharp, coated carbide inserts with positive rake angles and optimized feed rates to cut *under* the work-hardened layer. Combined with high-pressure coolant, we prevent material adhesion and maintain strict dimensional tolerances and excellent surface finishes.
Induction hardening localized journals on slender steel shafts naturally induces slight thermal warping. We account for this by leaving a specific grinding allowance (typically 0.2-0.3mm) on critical diameters before heat treatment. Post-quenching, we utilize precision CNC cylindrical grinders to systematically remove the deformed layer, restoring the exact diameter, cylindricity, and straightness tolerances.
Yes. For pre-hardened steel, we utilize synchronized live tooling on our CNC lathes or specialized gear hobbing machines. For post-hardened shafts, we utilize precision CNC spline grinding to cut the exact involute profile. This corrects any heat treatment distortion and achieves exact pitch diameter tolerances, guaranteeing zero runout and smooth mating.
GCr15 is typically through-hardened to HRC 60+, making it difficult to cut with standard tooling. After CNC turning, we utilize precision cylindrical grinding machines with CBN (Cubic Boron Nitride) wheels. This allows us to achieve mirror-like finishes (Ra 0.2) and strict micro-dimensional tolerances, ensuring optimal oil film retention and friction reduction.
Absolutely. Adhering to our "Quality Foremost" principle, we strictly source raw materials from certified mills and provide full material certificates (chemical composition and mechanical properties). We also conduct in-house hardness testing (HRC/HV) and metallographic analysis to verify grain structure and heat treatment depth, ensuring 100% traceability.
Yes. With over 30 years of experience supplying the automotive industry, we are fully compliant with PPAP (Production Part Approval Process) requirements. We provide complete documentation, including dimensional layouts, capability studies (Cpk/Ppk), measurement system analysis (MSA), and tooling records to ensure seamless integration into your automotive supply chain.
