CK6166 Flat Bed CNC Lathe: Precision and Power for Diverse Machining Needs

In the ever - evolving landscape of modern manufacturing, the CK6166 Flat Bed CNC Lathe has emerged as a reliable and high - performance solution. This machine combines advanced technology with a robust design, making it suitable for a wide range of applications across multiple industries.

Structural Design and Build

Sturdy Flat Bed

The CK6166 features a flat - bed structure, which is typically constructed from high - quality Meehanite cast iron. This material choice offers several advantages. Meehanite cast iron provides excellent rigidity, ensuring that the lathe can withstand the significant forces generated during machining operations. The flat - bed design also simplifies the setup and alignment of workpieces, as it offers a large, stable surface for mounting fixtures. The bed is often equipped with precision - ground guideways. Box - type guideways are a common choice for the CK6166. These guideways have a large contact area, which enables them to support heavy loads and provide high - precision movement. They are also highly resistant to wear, contributing to the long - term durability of the machine. The guideways are carefully machined and hardened to maintain their accuracy over time, even under continuous use.

Rigid Headstock and Spindle

The headstock of the CK6166 houses the spindle, which is the heart of the lathe's operation. The spindle is supported by high - precision bearings, such as angular contact ball bearings or tapered roller bearings. These bearings are selected based on the specific requirements for speed and load handling. They ensure smooth rotation of the spindle with minimal run - out, which is crucial for achieving high - precision machining. The CK6166 offers a range of spindle speed options. For example, the spindle speed may vary from as low as 30 RPM to as high as 1600 RPM, depending on the model and configuration. This wide speed range allows operators to select the optimal spindle speed for different materials and machining processes. For soft materials like aluminum, higher spindle speeds can be used to increase the material removal rate, while for harder materials such as steel, lower spindle speeds with higher torque are more appropriate. The spindle can be powered by an AC induction motor or, in some more advanced models, a servo motor. Servo motors offer precise control over spindle speed and torque, enabling better performance during complex machining operations.

Tailstock for Workpiece Support

The tailstock on the CK6166 plays a vital role in supporting the workpiece, especially when machining long or slender parts. It can be adjusted along the length of the bed to accommodate workpieces of various sizes. The tailstock is equipped with a quill, which can be extended or retracted as needed. The quill often holds a center, providing a stable support point for the end of the workpiece. This helps to reduce vibration and ensures accurate machining of long shafts. In addition to supporting the workpiece, the tailstock can also be used to hold other tooling, such as drill bits or boring bars. For instance, when drilling a hole in the end of a long shaft, the drill bit can be mounted in the tailstock quill, while the workpiece is rotated by the spindle. The tailstock may have a manual or hydraulic locking mechanism to secure it in place during machining, preventing any unwanted movement that could affect the accuracy of the operation.

Carriage and Cross - Slide for Tool Movement

The carriage of the CK6166 is responsible for the longitudinal movement of the cutting tool along the length of the workpiece (Z - axis movement). It rides on the guideways of the bed, ensuring smooth and precise movement. The cross - slide enables the lateral movement of the cutting tool, perpendicular to the axis of the workpiece (X - axis movement). This movement is essential for operations such as facing, where a flat surface is created on the end of the workpiece, and for controlling the depth of cut during turning operations. Both the carriage and cross - slide are driven by high - quality ball screws, which are powered by servo motors. The ball screws convert the rotational motion of the servo motors into smooth and accurate linear motion, allowing for precise positioning of the cutting tool. The movement of the carriage and cross - slide can be programmed to achieve complex machining paths, enabling the creation of intricate part geometries.

Tool Post and Turret for Tool Holding

The CK6166 is equipped with a tool post or turret to hold the cutting tools. A common configuration is a four - or six - station turret. The turret can be either manual or electric - powered. Electric - powered turrets offer faster tool - change times and more precise positioning. The tool post or turret is designed to hold the cutting tools securely in place during machining, ensuring that they maintain their position and orientation accurately. Some advanced models of the CK6166 may also feature live - tooling capabilities. This means that certain tool stations can be equipped with motors to drive the cutting tools independently of the spindle rotation. Live - tooling enables additional machining operations, such as milling and drilling, to be performed directly on the lathe, expanding its versatility.

Machining Capabilities

Turning Operations

External Turning

External turning is one of the fundamental operations of the CK6166. During this process, the cutting tool removes material from the outer diameter of the rotating workpiece. By precisely controlling the movement of the carriage and cross - slide, operators can create cylindrical surfaces with tight tolerances. For example, in the production of shafts for mechanical equipment, the CK6166 can achieve diameter tolerances within ±0.01 mm or even better, depending on the machining conditions. The high - precision spindle and the smooth movement of the cutting tool ensure that the machined surface has a low surface roughness, typically in the range of Ra 0.8 - 1.6 μm, which is suitable for many applications where a smooth finish is required. The CK6166 can handle a variety of materials, including metals such as aluminum, steel, and copper, as well as some non - metallic materials, making it a versatile choice for external turning operations.

Internal Turning (Boring)

The CK6166 is well - equipped for internal turning, or boring. This operation involves enlarging an existing hole or creating a new hole with a specific diameter and surface finish. A boring bar, with a cutting tool attached to its end, is used for this purpose. The operator can adjust the position of the boring bar using the cross - slide to control the diameter of the hole being bored. The CK6166 can handle boring operations with high accuracy, making it suitable for manufacturing components such as engine cylinders, hydraulic cylinders, and bearing housings. The lathe's ability to precisely control the depth of cut and the feed rate allows for the creation of straight and smooth - walled holes with consistent diameters.

Facing

Facing operations are used to create a flat surface on the end of the workpiece. With the CK6166, the operator moves the cutting tool radially (using the cross - slide) while the workpiece rotates. This results in a smooth, flat surface that is perpendicular to the axis of the workpiece. Facing is often performed to prepare the workpiece for further machining operations, such as drilling or threading, or to achieve a specific length dimension. The precision of the cross - slide movement and the stability of the spindle rotation on the CK6166 enable the creation of flat surfaces with tight tolerances, ensuring that the parts fit together accurately in the final assembly.

Thread Cutting

The CK6166 has the capability to cut both metric and imperial threads. Thread cutting is a complex operation that requires precise coordination between the rotation of the workpiece and the movement of the cutting tool. The lathe's CNC system is programmed to control the pitch of the thread accurately. By engaging the lead screw, which is connected to the carriage, the cutting tool moves along the length of the workpiece at a specific rate, creating the thread. The CK6166 can produce threads with high accuracy, meeting the strict quality standards of industries such as automotive and aerospace. The ability to cut different types of threads, including single - start and multi - start threads, makes the lathe highly versatile for manufacturing parts with threaded connections.

Grooving and Parting

Grooving involves cutting a narrow groove or channel into the surface of the workpiece. This can be used for various purposes, such as creating a location for an O - ring or separating a finished part from the raw material. Parting, on the other hand, is the process of cutting the workpiece completely through to separate it into two or more pieces. A parting tool, which has a narrow, sharp cutting edge, is used for these operations. The CK6166's ability to control the depth and width of the groove or cut accurately makes it suitable for producing parts with specific groove requirements. The precise movement of the cutting tool, controlled by the CNC system, ensures that the grooves and cuts are made to the exact specifications.

Additional Machining Operations

Some versions of the CK6166 with live - tooling capabilities can perform milling and drilling operations. When equipped with live - tooling, a milling cutter or drill bit can be mounted in one of the turret stations. The motor in the live - tooling station rotates the cutting tool, allowing for operations such as milling flats on a cylindrical workpiece, creating slots, or drilling holes at angles other than perpendicular to the axis of the workpiece. This multi - functional capability of the CK6166 reduces the need for multiple machine tools in a production process, saving both time and cost. It also enables the production of more complex parts in a single setup, improving overall manufacturing efficiency.

Technical Specifications

Spindle Speed Range

The spindle speed range of the CK6166 typically varies from 30 to 1600 RPM. This wide range allows operators to select the most appropriate speed for different materials and machining operations. As mentioned earlier, for soft materials, higher speeds can be utilized for faster material removal, while for harder materials, lower speeds with sufficient torque are preferred. The ability to adjust the spindle speed precisely gives the operator greater control over the machining process, enabling optimal results for each specific application.

Max Turning Diameter and Length

The maximum swing over the bed of the CK6166 is usually around 660 mm, which determines the maximum diameter of the workpiece that can be machined. The maximum turning length can vary depending on the model, but it can be as long as 3000 mm, enabling the machining of relatively long workpieces. These dimensions make the CK6166 suitable for a wide variety of applications, from small - scale component production to the machining of large - sized shafts.

Feed Rates

The CK6166 has both longitudinal (Z - axis) and cross - feed (X - axis) rates. The longitudinal feed rate, which controls the movement of the cutting tool along the length of the workpiece, can typically range from a slow, precise feed of 0.05 mm/rev for delicate operations to a faster feed of 1.5 mm/rev for rough material removal. The cross - feed rate, for the lateral movement of the cutting tool, also has a similar adjustable range. The ability to control these feed rates accurately is crucial for achieving the desired surface finish and material removal rate.

Positioning Accuracy

Thanks to its high - quality ball screws, precision guideways, and advanced CNC control system, the CK6166 can achieve excellent positioning accuracy. The X and Z axes can typically achieve positioning accuracies in the range of ±0.005 - 0.01 mm. This high level of accuracy is essential for producing parts with tight tolerances, which are required in industries such as aerospace and medical device manufacturing.

Tool Magazine Capacity

If equipped with a turret, the CK6166 usually has a tool magazine capacity of 4 - 6 tool stations, depending on the model. This allows for the storage and quick access to multiple cutting tools, reducing the time required for tool changes during the machining process. The tool change time is also relatively short, typically within 1 - 3 seconds, further enhancing the productivity of the lathe.

Control System and Operation

The CK6166 is operated using an advanced computer numerical control (CNC) system. Popular CNC systems for the CK6166 include those from well - known manufacturers like Siemens, Fanuc, Mitsubishi, as well as domestic systems such as Guangzhou CNC (GSK) and Huazhong CNC (HNC). These systems allow operators to program the machining operations with a high degree of precision. The CNC programming language, often based on ISO standards, is used to input instructions for the movement of the axes, spindle speed, feed rate, and tool changes. The control system features a user - friendly interface, which may include a touch - screen display or a combination of buttons and a display screen. This interface allows operators to easily enter and edit programs, as well as monitor the machining process in real - time. The CNC system also has the ability to store multiple machining programs, making it convenient for batch production or for quickly switching between different part - machining jobs. Additionally, the CK6166 may be equipped with a communication interface, such as RS232, USB, or Ethernet, which allows for the transfer of programs from an external device, such as a computer.

Applications

Automotive Industry

In the automotive industry, the CK6166 is used for machining a wide range of components. It can be used to produce engine parts such as crankshafts, camshafts, and connecting rods. These parts require high precision to ensure the smooth operation of the engine. The CK6166's ability to achieve tight tolerances and its versatility in performing various machining operations make it suitable for manufacturing transmission components, such as gears and shafts, as well as parts for the suspension system. The high - volume production requirements of the automotive industry can be met by the CK6166's efficient machining capabilities and quick tool - change times.

Aerospace Industry

The aerospace industry demands the highest levels of precision and quality in its components. The CK6166 can be used to machine parts for aircraft engines, such as turbine shafts, compressor disks, and engine mounts. These parts need to be machined with extreme accuracy to ensure the safety and efficiency of the aircraft. The lathe's ability to handle tough materials like titanium and nickel - based alloys, along with its high - precision machining capabilities, makes it a valuable asset in aerospace manufacturing. The CK6166 can also be used to produce structural components and fasteners for aircraft, where tight tolerances are crucial for proper fit and function.

General Engineering and Manufacturing

For general engineering and manufacturing workshops, the CK6166 is a versatile machine. It can be used to produce custom - made parts, repair damaged components, or create prototypes for new product designs. The manual override capabilities of the CK6166, combined with its CNC precision, make it suitable for small - batch production and for making on - the - fly adjustments during the machining process. This flexibility is highly valued in industries where quick turn - around times and the ability to adapt to changing requirements are important.

In conclusion, the CK6166 Flat Bed CNC Lathe is a powerful and precise machine tool that offers a wide range of machining capabilities. Its robust construction, advanced control system, and versatile applications make it an ideal choice for manufacturers across different industries. Whether it's for high - precision aerospace component production, large - scale automotive manufacturing, or small - scale custom work, the CK6166 has the potential to meet and exceed the demands of modern manufacturing, driving innovation and productivity in the manufacturing sector.

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