PRODUCT

Hard Turning Center Manufacturer

1. The machine tool is designed with a 3D modeling approach, and all key components are verified via finite element analysis to ensure the machining accuracy and precision retention of the machine tool. A modular design is adopted to provide multiple configurations for diverse future requirements, such as assembly into a full-function CNC turning center. The machine tool features a 45° inclined layout for smooth chip removal.
2. The two axes of the machine tool are equipped with linear encoders to achieve full closed-loop control. The X-axis adopts a high-precision cylindrical linear roller guide structure for precise feed movement. The Z-axis guideway features a unique hydrostatic guideway combination, which reduces operation resistance, improves the positioning repeatability and enables fast component response, while effectively damping cutting vibrations. The rapid traverse speed of the X/Z axes reaches 20 m/min, and the high-speed, high-rigidity and high-precision transmission system greatly boosts working efficiency.
3. This machine tool adopts a high-rigidity sleeve-type spindle system structure, and the five-series large-diameter angular contact ball bearing configuration ensures sufficient rigidity as well as the required high-speed performance. This structure also boasts excellent machining and assembly manufacturability, facilitating the achievement of high manufacturing precision. The maximum spindle speed is 4000 r/min, endowing the machine tool with the characteristics of high rigidity, high precision, high dynamic response and high efficiency.
4. The tailstock is driven by integral hydraulic power with closed-loop control to realize automatic programmable control. A gantry robot is designed to achieve automatic loading and unloading.
5. The machine tool adopts an integrated mechanical-electro-hydraulic structure with a compact and rational overall layout for easy maintenance and repair. The entire machine is configured with a fully enclosed protective structure, which complies with ergonomic principles, featuring excellent human-machine compatibility, high reliability and easy operation.

About Us
Taizhou Yijie CNC Machine Tool Co., Ltd.
Taizhou Yijie CNC Machine Tool Co., Ltd.

Taizhou Yijie CNC Machine Tool Co., Ltd. is located in Yuhuan, Taizhou, Zhejiang, China. Since its establishment in 1998, the company has been committed to the R&D and manufacturing of center-drive intelligent dual-head CNC machine tools and high-precision CNC machine tools.

Driven by continuous innovation and the development of advanced manufacturing capabilities, Yijie has established its own brand and strengthened its technical foundation through technology introduction, absorption, re-innovation, and cooperation with universities and research institutes.

The company has developed dozens of models across two major product series: center-drive intelligent dual-head CNC machine tools and high-precision CNC machine tools. These products are widely used in the precision machining of shafts, pipe fittings, gears and other components. In addition, Yijie provides customers with intelligent equipment solutions based on cloud platforms, IoT technology and internet-based machining platforms.

Yijie owns more than 50 patents, including 10 invention patents. The company has also been recognized for first-set equipment achievements in Zhejiang Province and Taizhou, and has developed more than 10 provincial-level new products in Zhejiang. Its products have won the Chunyan Award at the 10th and 13th China CNC Machine Tool Exhibition.

The company has drafted or participated in the formulation of several industry standards and Zhejiang Manufacturing standards. It has been recognized as a National High-Tech Enterprise, a High-Growth Technology Enterprise, and a Zhejiang Province Specialized, Refined, Distinctive and Innovative Enterprise.

Yijie has obtained three major management system certifications, CE certification, intellectual property management system certification, patent navigation certification, and Zhejiang Manufacturing certification.

Certificate Of Honor
News

Managing Hardened Metal Components: The Role of CNC Hard Turning Lathes

What Is a CNC Hard Turning Lathe?

A CNC Hard Turning Lathe is a computer-controlled machine designed to turn hardened metal parts. In simple terms, it holds and rotates a hardened workpiece while a suitable cutting tool removes material to achieve the required diameter, length, groove, thread, or surface shape.

Hard turning is generally used after heat treatment, when the material has become harder than standard machining conditions. For suitable components, it can be used as a finishing process or as part of a combined machining route.

For buyers, the key consideration is whether the machine matches the required material hardness, tolerance, surface finish, workpiece size, and production volume.

Specific Applications

CNC Hard Turning Centers are commonly used in automotive, bearing, gear, machinery, tooling, hydraulic, and industrial component manufacturing.

Typical applications include:

  • Bearing parts: inner rings, outer rings, bearing races, seats, and hardened cylindrical surfaces
  • Automotive components: transmission parts, hubs, shafts, gears, sleeves, and other heat-treated components
  • Gear manufacturing: gear rings, gear seats, shafts, and hardened supporting components
  • Tooling: hardened bushings, dies, mold components, and wear-resistant parts
  • Machinery: hardened rollers, pins, shafts, flanges, and precision cylindrical components
  • Hydraulic equipment: hardened sleeves, valve components, and other wear-resistant parts

For example, after a steel shaft or bearing ring has been heat-treated, its diameter may need further finishing. A suitable hard turning process can remove a controlled amount of material and bring the component closer to its required final dimensions.

Core Functions

Depending on the configuration, a CNC Hard Turning Lathe can perform external turning, internal turning, facing, boring, grooving, chamfering, and other finishing operations.

Important specifications include machine rigidity, spindle performance, chucking system, turning diameter, workpiece length, CNC control, tool capacity, positioning accuracy, repeatability, vibration control, and chip removal.

Tool compatibility is also important because hardened materials require cutting tools designed for the material hardness and machining conditions.

Why Do Customers Purchase It?

Private Brand: Machinery distributors can add hard turning equipment to their own product range through OEM cooperation. Branding may include machine appearance, nameplates, labels, manuals, packaging, and selected configurations.

Bulk Retail Supply: Industrial machinery distributors can supply hard turning machines to automotive, bearing, gear, and machinery manufacturers. Different configurations allow products to match different workpiece and production requirements.

Cost Optimization: Manufacturers may consider hard turning when conventional finishing routes involve several machines, repeated workpiece transfers, or additional setup procedures. For suitable parts, hard turning can simplify selected finishing operations and support a more connected production process.

What Customer Problems Can It Solve?

Before purchasing, customers should consider whether their production involves hardened steel parts and whether existing processes create problems such as repeated handling, long machining cycles, outsourcing costs, or inconsistent finishing results.

Does the production line require accurate machining of hardened diameters, faces, grooves, or bores? Are heat-treated components being transferred between several machines? Could a dedicated hard turning process make production easier to manage?

These questions can help determine whether a CNC Hard Turning Center has practical value for the target market.

OEM/ODM Support

For private-label and distribution projects, OEM/ODM cooperation may cover CNC control selection, spindle and chuck configuration, tooling systems, machine appearance, branding, labels, packaging, technical documentation, and application-specific requirements.

A potential supplier should be evaluated through its engineering capability, production and assembly processes, quality inspection system, technical support, spare-parts availability, packaging, and after-sales service.

A suitable CNC Hard Turning Lathe should be selected according to the actual workpiece material, hardness, dimensions, tolerance, surface requirements, machining process, and production volume.

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