Features of Automotive Machining Center
- TSINFA Automotive Machining Center is equipped with a CNC system and error compensation technology, which can meet the micron-level tolerance requirements for engines and transmissions.
- Supports five-axis and compound machining. It enables the completion of complex curved surfaces, inclined holes and multi-angle features with a single setup, reducing repetitive positioning errors.
- Our equipment can integrate automatic tool changing and loading/unloading systems, enabling 24-hour continuous production and enhancing utilization and efficiency.
- The produced components comply with the CE safety standards and the automotive industry quality system, ensuring reliability and durability under heavy-load and high-speed conditions.
- TSINFA has a wealth of experience in the automotive manufacturing field and can provide you with customized solutions.
The Advantages of Using Machining Centers in Automotive Industry
High Precision
TSINFA’s machining center is controlled by a CNC system, which can operate stably for a long time and ensure the consistency of the parts. For key components such as the engine block, transmission housing, and suspension system holes, the geometric tolerances, coaxiality, and fit accuracy are extremely strict, usually requiring control at the micrometer level.
Our machining center is capable of meeting these demanding requirements through its precise servo system, highly rigid mechanical structure and intelligent error compensation technology. In production, once the processing program has been verified and the fixtures are positioned accurately, the machining center can achieve continuous and stable precision processing, reducing quality fluctuations caused by human factors effectively.
High Efficiency
Some machining centers can complete various processes such as turning, milling, drilling and tapping in a single setup. This reduces the time wasted on repeated positioning and clamping of the workpiece as well as the positioning errors. The integration of the automatic tool changing system can shorten the tool replacement time and reduce the non-processing waiting time.
TSINFA’s machining center can also be integrated with the automated loading and unloading system, enabling 24h uninterrupted production. This maximizes the utilization rate of the equipment and ensures a stable output even during nighttime and periods when there are no personnel present. This way can meet your large-scale production requirements, and also reduce labor costs and equipment idle losses.
Strong Flexible Production Capacity
In the face of the trend of diverse product types and small batch production in the automotive market, the flexibility of the machining center is very important. By simply changing the numerical control program, adjusting the tools and fixtures, the same machining center can quickly switch to processing different parts. This significantly shortened the product changeover time. This characteristic enables the machining center to adapt to various scenarios from mass production to small-batch prototyping.
More importantly, our machining center has excellent adaptability to materials and structures. From traditional cast iron and aluminum alloys to emerging lightweight materials such as magnesium alloys and composite materials, it can provide reliable processing solutions. This directly supports the lightweighting strategy of the automotive industry.
Highly Complex Processing
As the automotive industry continues to develop towards lightweighting and high performance, the structural design of components has become increasingly complex. Thin-walled components, large cavities, and multi-angle features have become the norm, which poses challenges to the processing techniques.
For thin-walled parts and complex supports, you can adopt a high rigidity machine tool structure and thermal deformation compensation technology. These methods can solve the quality problems effectively, such as vibration and deformation that are prone to occur during the processing of such parts.
When dealing with complex geometric shapes, the machining center relies on advanced tool path optimization technologies and multi-axis motion control. This enables the machining center to handle tasks such as inclined holes, curved surfaces, and internal cavities easily.
What Automotive Parts can be Processed by a Machining Center?
Engine System
The engine is the heart of a car, and its components must have extremely high reliability and precision. For example, the cylinder block and the cylinder head are typical box shaped components, and the materials are mostly cast iron or aluminum alloy. They have complex geometric shapes, dense water channels and oil channel systems. There are also multiple mating surfaces that require high-precision processing. The machining center can complete multi-face processing with a single setup. This ensures the positional accuracy, cylindricity and surface flatness of each hole system.
The structures of auxiliary components such as the camshaft and connecting rod are relatively simple. However, the dimensional accuracy and surface finish of the piston pin holes in the connecting rod are extremely demanding. The machining center can reliably complete the processing of these high-precision features.
Transmission and Drive System
The transmission is responsible for power transmission. The precision of its components directly affects the smoothness of gear shifting and the efficiency of the transmission.
Gear and shaft parts are required to have extremely high geometric accuracy and coaxiality. The machining center can handle the initial rough processing and drilling of positioning holes. This lays the foundation for the subsequent gear broaching and grinding processes.
The size of the gearbox housing is large and its cavity structure is complex. It requires the processing of a large number of bearing seat holes, installation holes and oil passages. The machining center, especially the horizontal machining center, is capable of completing its multi-faceted and multi-hole precision processing efficiently.
Chassis and Suspension Steering System
The chassis components are subjected to loads, impacts and vibrations during driving for a long time. This requires ensuring the structural strength and assembly position accuracy to prevent problems such as vehicle deviation and steering misalignment.
Structural components such as control arms, steering knuckles, and suspension joints are highly complex parts that require extremely high dimensional accuracy and assembly position precision. The machining center focuses on processing its connection points, bearing seats and welding positioning surfaces. This makes the accuracy of the wheel alignment parameters and guarantees driving safety.
The car wheel hub is a key component for bearing weight and rotation. Processing with a machining center can ensure the flatness of the installation surface, the positional accuracy of the bolt holes, and the precision of the bearing seat.
The car wheel hub is a key component for bearing weight and rotation. Processing with a machining center can ensure the flatness of the installation surface, the positional accuracy of the bolt holes, and the precision of the bearing seat.
Braking Systems
The braking system has the most stringent requirements for processing accuracy. Any defect could directly lead to safety hazards.
The internal parts of components such as the brake calipers and the brake pump housings have complex hydraulic flow channels. They have very high requirements for coaxiality, geometric symmetry and sealing. Our machining center can manufacture these internal channels, installation holes and sealing grooves precisely. This makes the transmission of brake oil pressure and achieves reliable braking.
The brake discs need to have a flatness and parallelism of the friction surface, as well as good heat dissipation performance. By using our machining center, the precise processing of the installation surface and ventilation slots can be efficiently completed.
Body Structural Member
Although various parts such as brackets, connecting plates and door hinges may seem simple, the accuracy of their assembly holes and connection surfaces directly affects the assembly gap of the vehicle body and its overall rigidity. TSINFA’s machining center can manufacture rapid and batch-oriented consistent production.
Key Components of New Energy Vehicles
The battery housing serves as the protective shell for the battery pack and is mostly made of an aluminum alloy integrated die-cast component. It requires the processing of numerous battery cell mounting holes, cooling channel interfaces, and sealing grooves. The large gantry machining center is the preferred choice for manufacturing such large-scale and high-precision structural components.
Types of Machining Centers Used in Automotive Manufacturing
Vertical Machining Center
The spindle axis of the vertical machining center is perpendicular to the worktable, and the cutting tools perform the processing from top to bottom. The structure is simple and it occupies a small area of space. It is an ideal choice for processing brake caliper bodies, various electronic control housings, interior frameworks and other components.
The layout with the main shaft vertically downward enables the chips to be discharged directly through the chip discharge groove beneath the worktable. This prevents the accumulation of chips from affecting the accuracy of the parts.
Horizontal Machining Center
The spindle axis of the horizontal machining center is parallel to the worktable, and it is usually equipped with a CNC rotating worktable. Its bed structure has strong shock resistance and is capable of withstanding the heavy cutting of large-sized parts. Its greatest advantage lies in the fact that once the workpiece is clamped, it can complete the processing of the remaining four surfaces (excluding the bottom surface) at one time efficiently.
It can address the weakness of large box-shaped parts where accuracy is reduced due to multiple clamping operations. It is the core processing equipment for automotive powertrains and box-type parts. It is widely used in the mass production of large structural components such as engine cylinder blocks, transmission housings and subframes with complex structures.
Gantry Type Machining Center
It adopts a portal frame structure, which has very high rigidity and outstanding stability. It can easily meet the processing requirements for heavy cutting and large-sized workpieces. In the automotive industry, it is commonly used for processing ultra-large or load-bearing structural components such as body-integrated structural parts, body stamping molds, and battery trays.
Five-Axis Machining Center
It adds two rotary axes to the traditional three linear axes X、Y、Z. A single clamping operation can complete the high-precision processing of complex five-sided bodies and spatial curved surfaces, avoiding the cumulative errors caused by multiple clamping operations.
In the automotive manufacturing industry, it is commonly used to produce motor housings, engine cylinder heads, and carbon fiber wheels. These parts usually have inclined holes, curved surfaces, complex cavities and multiple angle processing requirements. The five-axis equipment can complete multi-face processing in one setup, reducing errors and improving efficiency.
Combined Machining Center
For example, turning-milling combined machining centers integrate multiple machining processes, such as turning, milling, drilling, and tapping into a single machine. It is possible to complete the entire process in a single setup and reduce the number of process steps significantly. It is suitable for processing cylindrical parts, gear blanks, brake discs and other rotating body parts that require multiple processing steps.
- The repeatability positioning accuracy serves as the foundation for ensuring part consistency, and it directly affects the assembly quality of key components such as engines and gearboxes.
- The spindle performance needs to be matched according to the type of material you are processing and the cutting parameters.
- The efficiency of the tool changing system and the capacity of the tool magazine determine the response speed of multi-variety production.
- The multi-axis capability and the specifications of the worktable determine the adaptability of the equipment to complex structural parts.
- The efficiency of the chip removal and cooling systems directly affects the stability during mass production, while the ability of automation integration is the key to achieving flexible manufacturing.
If you have any questions regarding the product selection, please feel free to contact TSINFA at any time. We will assist you in making the most suitable choice!
Firstly, it is necessary to maintain the thermal stability of the machine tool. This can be achieved by implementing standardized spindle lubrication and temperature control systems to minimize thermal deformation. And it is necessary to regularly clean the chips and filter the cooling liquid to prevent the accumulation of chips from causing damage to the guide rails and screws.
At the same time, you need to regularly check the wear of the cutting tools to ensure the consistency of processing accuracy. The regular calibration of the fixture system should not be overlooked either, as it is crucial for ensuring the positioning accuracy.
You can establish a digital parameter library. Enter the processing parameters, fixture models, tool specifications and program numbers for each part into the database. During the next production run, simply retrieve them from the database and there is no need for re-tuning.
The flexible use of multi-axis and composite models is also crucial. Both the five-axis machining center and the turning-milling combined machining center can complete multiple processes in a single setup. It can reduce the number of transfers and clamping operations of the parts between different equipment, and avoid the efficiency loss during model changes.
