English
中文简体| Power | Stall Torque | Weight(KG) |
| 250-500 | 75 | 4.2 |
Custom Shaft DC Motor Design
-- Steady & Reliable Manufacturer --
Precision Tailoring: The Engineering of Custom Shaft Solutions
In the world of B2B manufacturing, the motor must fit the machine, not the other way around. At HENTACH, formerly known as Hengtai Motor, our Custom Shaft DC Motor Design service is a cornerstone of our technical offering. For 30 years, we have worked with global OEMs to solve the mechanical "handshake" problem between the drive unit and the final assembly. Whether it requires a splined shaft for heavy-duty torque transmission, a hollow shaft for integrated wiring, or a double-ended shaft for dual-drive configurations, our 9,000-square-meter facility is equipped with the precision CNC machinery to deliver. Our engineering team doesn't just cut steel; we analyze the mechanical stresses of the application to recommend the ideal material, whether it be 40Cr heat-treated alloy steel, stainless steel for food-grade use, or carbon steel for cost-effective reliability.
The process of creating a custom shaft at HENTACH is an exercise in extreme tolerance control. Our CNC workshop operates with a precision of ±0.005mm, ensuring that keyways, threads, and D-cuts are perfectly aligned. This level of precision is critical because a shaft that is even slightly out of tolerance will create vibrations that degrade the motor's bearings and internal gears, shortening its lifespan. Because our motors are proven to exceed a 50,000-mile durability benchmark, the shaft must be engineered to the same high standard. We utilize our 30 years of electromechanical innovation to perform finite element analysis (FEA) on custom shaft designs, ensuring they can handle the radial and axial loads specific to your machine's operation. This "system-first" approach is why HENTACH is the preferred partner for complex industrial and mobility projects.
Furthermore, our vertical integration—including our 500-ton die-casting department—allows us to design the motor housing around the custom shaft requirements. For example, if a client requires an extra-long shaft to clear an obstruction, we can reinforce the bearing seats within the housing to prevent shaft deflection. We also offer specialized surface treatments for shafts, including nitriding for surface hardness and Micro-Arc Oxidation (MAO) for the housing, ensuring the entire assembly survives in harsh environments. Since 1995, our "Hengtai" heritage has been defined by our ability to say "yes" to difficult mechanical requirements. From specialized splines for electric motorcycles to tapered shafts for industrial fans, HENTACH provides the professional-grade customization that drives your innovation forward.
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E-Type F500-1 -
HT MINI2 THRU-AXLEPower Stall Torque Weight(KG) 350-750 90 4.2 -
S-Type RCPower Stall Torque Weight(KG) 600-750 90 4.6 -
S-Type Pro RFPower Stall Torque Weight(KG) 600-1500 145 5.8 -
S-Type Pro RCPower Stall Torque Weight(KG) 600-1500 145 6 -
20 Inch S-type Motor WheelPower Stall Torque Weight(KG) 250-750 95 7.5 -
20 Inch Motor WheelPower Stall Torque Weight(KG) 250-350 60 4.8 -
16 Inch Motor WheelPower Stall Torque Weight(KG) 250-400 55 4 -
12 Inch Motor WheelPower Stall Torque Weight(KG) 250-350 45 3.3 -
Q-Type RC350Power Stall Torque Weight(KG) 250-350 50 3.35(With Cassette) -
P-Type R500Power Stall Torque Weight(KG) 350-500 50 3.85 -
J-TYPE R350 ECOPower Stall Torque Weight(KG) 250-350 ＞55NM 2.8(With Cassette)
Mechanical and Shaft Customization Specs
| Technical Metric | Specification Value | Engineering Benefit |
|---|---|---|
| Shaft Material Options | 40Cr, 304/316 Stainless, Carbon Steel | Material Optimization for Load/Environment |
| Machining Tolerance | ± 0.005 mm (Micron Level) | Eliminates Vibration & Bearing Wear |
| Shaft Hardness | HRC 45 - 55 (Induction Hardened) | Maximum Fatigue & Shear Resistance |
| Custom Geometry | Splined, Keyed, D-cut, Threaded, Hollow | Seamless Integration with Driven Load |
| Runout (T.I.R.) | ≤ 0.02 mm | Ensures High-Speed Stability |
| Axial Load Capacity | Up to 500N (Application Dependent) | Handles Thrust in Pump/Fan Apps |
| Radial Load Capacity | Up to 1200N (Reinforced Bearing) | Supports Heavy Pulleys & Belts |
| Shaft Diameter Range | Ø 8mm to Ø 25mm (Standard) | Scalable for Power Requirements |
| Spline Standards | DIN, ANSI, JIS Compatible | Direct Fit for Global Gear Standards |
| Surface Finish | Polished, Ground, or Nitrided | Optimizes Seal Performance & Life |
Applications for Tailored Shaft Configurations
Custom shaft designs are essential for Integrated Gearbox Assemblies, where the motor shaft must also serve as the sun gear or input pinion for a planetary system. This is a common requirement in our patented nylon-steel gear motors. They are also vital for Electric Vehicle Powertrains, where specialized splines are needed to connect directly to wheel hubs or differentials without the need for heavy adapters. In the medical field, our stainless-steel custom shafts are used in surgical robots and automated beds to prevent corrosion and maintain hygiene. Our 30-year history of electromechanical innovation ensures that no matter how unique the mechanical interface, we have a solution that works.
- Splined Shafts for high-torque electric motorcycle hubs.
- Threaded Shafts for precision linear actuators.
- Double-End Shafts for synchronized dual-propulsion systems.
- Hollow Shafts for pass-through wiring in robotic joints.
- Keyed Shafts for heavy-duty industrial pulley drives.
The Advantage of HENTACH Machining Precision
The primary advantage of our custom shaft service is the Total Elimination of Adapters. Every mechanical connection point is a potential point of failure; by machining the shaft to fit your application perfectly, we remove the need for couplers, collars, and spacers, which reduces weight, complexity, and noise. Our 30-year legacy as "Hengtai" has given us a deep library of tooling and templates for global mechanical standards. This experience, combined with our in-house 500-ton die-casting, allows us to provide a unified structural solution that is proven to exceed 50,000 miles of service. We don't just provide a part; we provide a high-performance mechanical interface.
Furthermore, our Advanced Metallurgy expertise means we select the right heat treatment for your specific shaft geometry. Thin shafts require specialized tempering to avoid brittleness, while high-torque splines require case-hardening to prevent tooth wear. Our ISO 9001 certified quality control system includes ultrasonic flaw detection for all high-load custom shafts, ensuring that internal stress fractures won't lead to failure in the field. Partnering with HENTACH for custom designs gives B2B clients a competitive edge by simplifying their bill of materials and improving the overall reliability of their final product. We provide the professional-grade engineering that turns complex ideas into durable reality.
WHO ARE WE
More than 20 years of production experience.
Ningbo Yinzhou HENTACH Electromechanical Co., Ltd. was established in 1995. For more than 20 years, we have been committed to the casting and processing of miniature DC motors, hub motors for electric vehicles and motorcycles, and aluminum and magnesium alloys for electric vehicles. At the same time, we have a complete ISO9001 quality control system, mature management system and advanced manufacturing and testing equipment.
HENTACH has an area of more than 9,000 square meters, with a construction area of 5,000 square meters. Currently we have more than 60 sets of various internal production equipment including 500 tons die-casting machines, precision CNC machine tools, laser marking machines, micro-arc oxidation, etc., and another two sets of electric vehicle motor test benches.
As China Custom Shaft DC Motor Design Manufacturers and China Custom Shaft DC Motor Design Suppliers, HENTACH aims to pursue higher quality and innovation products. With rich experience in motor manufacturing, we are confident with our motor quality as we always use the materials and our own patented nylon-steel gear. We used to set up a price for the customers who use our motors for over 30,000 miles. In the end we find over 50 motors that are used by the customers for over 30,000 miles and some of them even reach 50,000 miles. We appreciate for those customers who are always trust our products, which also encourage us to keep exploring and innovating better motor with quality.
