Features of VMC850 Vertical Machining Center
- TSINFA’s VMC850 vertical machining center features P4-grade spindle bearings with a maximum spindle speed of 8000 rpm, delivering stable cutting performance during routine part machining.
- The machine employs a high-rigidity cast iron body with a widened base structure to minimize vibration, maintaining consistent precision even during extended machining cycles.
- Single-setup machining completes milling, drilling, tapping, and boring operations, ensuring part consistency and dimensional accuracy.
- Every TSINFA VMC850 undergoes a comprehensive pre-delivery inspection using laser interferometers, CMMs, angle gauges, and online measurement systems to guarantee stable, reliable precision standards.
Advantages of the VMC850 Vertical Machining Center
The VMC850 is equipped with a rugged cast iron bed and proprietary P4-grade spindle bearings, backed by precision ball screw and linear guide system. This ensures repeat accuracy while machining molds or precision parts. Whether doing first cuts or multiple positioning, this system assures reliable dimensional control.
You can freely select Siemens, FANUC, Mitsubishi, KND, or GSK control systems depending on your working habits and assistance equipment. The friendly and simple-to-learn interface enables experienced and inexperienced technicians to quickly become proficient in the system.
Because of its extremely stiff construction, precision spindle assembly, and heavy-duty feed control, the VMC850 yields superior surface finishes with very little subsequent polishing and grinding required. You’ll notice a much finer finish on finished parts compared to conventional CNC machining centers.
Compared to larger vertical machining centers, VMC850 offers advantages in terms of floor space, power usage, and maintenance cost. If operating in a small workshop space, you can achieve more return on investment without compromising on high performance.
Applications for the VMC850 Vertical Machining Center
If you machine electrodes, cores, or mold inserts regularly, the VMC850 would be a perfect pick. With its 8000 rpm spindle speed and very stiff construction, it effectively damps vibration while maintaining stability even during machining of fine contours and mirror finishes. Even fine details are easily duplicated.
In machining aerospace parts, you might have high-precision parts such as aluminum brackets, instrument mounts, or heat sinks. High repeatability and stiff structure of the VMC850 make it easily capable of doing these small-lot high-precision operations.
Medical part machining requires cleanliness and precision. The VMC850, whose spindle is of high-speed and whose cooling system is precision, possesses a high finish and minimal thermal distortion. It can machine difficult parts like titanium connectors, surgical instrument handles, and guide assemblies.
When manufacturing inspection jigs or fixtures, surface and hole accuracy is a necessity. The VMC850 is able to make multi-surface machining in one setup, employing an accurate feed system to ensure alignment and consistency of all the details to eliminate assembly inaccuracies.
If you work in mold making or industrial design, the VMC850 allows you to quickly produce prototypes. No matter if you’re machining aluminum, ABS, or POM, it gives you speed, accuracy, and repeatability so you can speed up proofing and verification.
Not all machining centers are capable of processing graphite consistently. The VMC850, with a dust-reduced design and vibration-proof structure, high-speed spindle, and heatsink-style heat dissipation, achieves consistent surface finishes without chipping during graphite or copper electrode machining.
Key Component Parameters of the VMC850 Vertical Machining Center
When you reference the VMC850 vertical machining center’s product page, the first thing you notice is a string of technical specifications. While these numbers will be dull compared to written explanations, facts speak a thousand words and have a direct impact on machine performance and machining quality.
You might wonder what precisely these numbers tell and how they influence production. Here, I will explain each of them in detail, sticking to the order of parts.
- Machine Tool
- Workbench
- Spindle System
- Travel and Feed
- Tool Magazine System
The table below is a compilation of equipment parameters. You may understand the performance of the entire VMC850 vertical machining center from the table below.
| Machine Tool | Technical Parameters | Description |
| Cooling System | Motor power:0.4 kW Injection pressure:1.2 bar. | Improves cooling efficiency and tool life |
| Control System | Siemens / FANUC / Mitsubishi / KND / GSK | Multiple brand systems available |
| Body Structure | Column fixed frame | Highly stable, rigid, and vibration-resistant |
| Dimensions | Standard reference size: 2750 × 2300 × 2300 mm | Easy to install and plan |
| Weight | 5000–5300 kg | Heavyweight for more stable cutting |
The worktable provides stable support for your workpiece so that it will not be affected by vibration during machining, making all milling, cutting, and drilling operations more accurate. The following is a table of specifications of the worktable.
| Workbench | Technical Parameters | Description |
| Dimensions | 1000 × 500 mm | Suitable for machining medium-sized parts and molds |
| T-slot Dimensions | 5 × 18 × 90 mm | Convenient for installing fixtures and tooling |
| Maximum load capacity | 500～600kg | Supports heavy workpieces while maintaining precision |
A stable spindle system determines the machining capacity of the whole VMC850 vertical machining center. The following is a table of key parameters of the spindle system.
| Spindle System | Technical Parameters | Description |
| Tapered Hole | BT40 | Universal interface for easy tool changes |
| Speed | 8000 rpm (Optional 10000 / 12000) | Meets both rough and fine machining needs |
| Power | 7.5-11kW | Provides stable cutting power |
| Maximum Torque | 35.8 Nm | Powerful cutting of high-hardness materials |
| Distance from Spindle Center to Column | 550 mm | Ensures rigidity and support space |
| Distance from Spindle end to Worktable | 120-650mm | Adapts to various workpiece heights |
The feed system determines the precision of motion and response rate of the VMC850 vertical machining center during cutting. Below are the prime specifications of the feed system.
| Travel and Feed | Technical Parameters | Description |
| X/Y/Z Travel | 800/500/500 mm | Determines the effective machining range of the machine tool, allowing for flexible handling of varying workpiece sizes |
| Rapid Traverse Rate | 24 / 24 / 20 m/min | Speeds up positioning and return speeds, reducing non-cutting time |
| Maximum Cutting Feed Rate | 10 m/min | Impacts material removal rate, balancing machining efficiency and surface quality |
| Positioning Accuracy | ±0.005 mm | Indicates the machine tool’s positioning accuracy, determining machining dimensional accuracy |
| Repeat Positioning Accuracy | ±0.003 mm | Ensures dimensional consistency and repeatability across multiple machining runs |
The Automatic Tool Changer (ATC) system is equipped with a tool magazine that can store up to 24 tools. Tool change speed has a direct relationship with the machine cycle time and production efficiency. Below are the system’s primary parameters.
| Tool Magazine System | Technical Parameters | Description |
| Capacity | 16～24 tools（Robotic） | Supports automatic tool change for continuous machining |
| Maximum Tool Diameter | Full blade Φ112Empty blade Φ200 | Accommodates large-diameter tools |
| Maximum Tool Length | 300 mm | Suitable for machining deep cavities |
| Maximum Tool Weight | 8–10 kg | Ensures smooth and reliable tool changes |
| Tool Change Time | 1.5s | Reduced non-cutting time |
What is the VMC850 Vertical Machining Center?
The VMC850 vertical machining center utilizes a spindle to power high-speed spinning of tools, coupled with precise linkage between the X, Y, and Z axes. This makes it possible to have high-accuracy milling, drilling, boring, tapping, reaming, and machining of complex surfaces.
Its 800mm X-axis and 500mm Y-axis travels provide the machine with greater machining flexibility, well meeting the production requirements of the majority of small- and medium-sized parts, providing you with an accurate and efficient machining solution.
How does the VMC850 vertical machining center work?
While power is on the VMC850 vertical machining center, the spindle causes the tool to rotate at high speed. Simultaneously, the numerical control (CNC) system controls the feed movement in the X, Y, and Z axes to execute multi-angle high-precision cutting of the workpiece.
Key Components of the VMC850 Vertical Machining Center
Spindle System
The spindle system employs P4-grade high-precision bearings and undergoes rigorous assembly to have outstanding rigidity and stability. The entire machine undergoes inspection as per precision testing standard JB/T 8771.4-1998 and JIS B 6330 to guarantee that all performance parameters conform to international standards.
The spindle motor uses a high-precision encoder for stable and precise positioning and rigid tapping. By performing dynamic balancing calibration and in-use testing, the spindle is stable at operation even with high speed, ensuring stable long-term machining accuracy.
Automatic Tool Changer
Vertical Machining Centers (VMCs) typically include multiple cutting tools to perform multi-process and multi-angle milling cuts. The robotic arm-type tool magazine style is employed in the machine, where a roller cam system drives the tool turret. This allows rapid and precise tool changing, with support for up to 24 tools. This enhances machining efficiency and minimizes manual interaction significantly.
Intelligent Control System
The control system is the brain of the whole VMC850 vertical machining center, which controls the machine tool’s operational experience and automation level. Our popularly used control systems are Siemens, FANUC, Mitsubishi, KND, and GSK. They could be selected in a flexible way according to your production needs and automation demands, providing the best balance between performance and price.
For extra safety during operations and versatility, the machine equipment also features a manual handwheel. When system anomalies are encountered or exact fine-tuning must be done, your operators can attain precise control and positioning through manual mode.
Protection System
Each guide rail is equipped with a high-strength protection cover to safeguard the guide rail zone from chips and coolant effectively. When combined with an automatic chip discharge and coolant circulation system, it efficiently discharges chips formed during machining to prevent accumulations and machine jams.
This design not only gives a neat work environment but also enhances the life of guide rails and ball screws substantially by eliminating wear and corrosion.
VMC850 vs VMC1060 Vertical Machining Center: What is the Difference?
Compared to the VMC1060 vertical machining center, the VMC850 vertical machining center differs significantly in travel, size, and range of machining. Their differences can be seen from the following table:
| Difference | VMC 850 | VMC 1060 | Notes |
| Three-axis Travel (X/Y/Z) | Common sizes: 800 / 500 / 500 mm | Common sizes: 1000 / 600 / 600 mm | The values of the X-axis and Y-axis are fixed, and the value of the Z-axis can be a little different depending on the brand and model |
| Worktable Dimensions | 1000 × 500 mm | 600×1200mm | With a large workbench, machining big workpieces and the potential for multiple parts clamping in one setting in batch production |
| Worktable Load Capacity | 500～600kg | 800~1000kg | Machining heavy-duty and high-density components like steel and cast iron |
| Footprint | Standard reference size: 2750 × 2300 × 2300 mm | Standard reference size:3300*2600*2800 | The VMC850 features a more compact footprint |
| Processing Range | More suitable for processing medium-sized parts, mold inserts, electrodes, and fine structural parts | Suitable for parts with larger sizes or batches, or parts requiring a wider processing range | Adaptable to processing workpieces of different sizes |
| Cost | Low cost | Higher costs | VMC850 – Ideal for Startups |
How to Select a VMC850 Vertical Machining Center?
When choosing the VMC850 model, we recommend that you consider the following most critical parameters to determine that the machine actually meets your production needs and provides a worthwhile return on investment:
Machining Range and Workpiece Dimensions
Keep in mind your parts’ top size, weight, and batch volume. The VMC850 generally provides travel distances of 800/500/500 mm on the X/Y/Z axes, a table size of around 1000×500 mm, and a 500 kg load capacity (specifications can vary slightly by manufacturer). If your workpieces are larger than these, a bigger model machine may be called for.
Spindle Performance and Machinable Materials
Consider parameters such as spindle speed, power, torque, and interface type (for example, BT40). For tool steel and hard material machining, choose a more powerful and torque-dense spindle version.
Structural Rigidity and Precision
Parts of the machine, such as the bed, guideways, ball screws, and bearing grades, directly influence machining precision and stability. Make sure positioning error, repeatability error, and guideway type are appropriate to your needs for precision.
After-Sales Service and Spare Parts Support
Purchase of machine tools is an investment with a long payback period. Place high priority on suppliers or brands with deep after-sales service, rapid spare parts delivery, and good technical support—such as TSINFA. This minimizes risks of downtime and enhances production stability.
Yes. TSINFA’s VMC850 is equipped with a spindle of high rigidity and precise ball screws that enable it to perform heavy cutting while still possessing superior planar accuracy. It is ideal for finishing operations from rough milling to finish milling on a single machine without the need for setup changes.
Yes. Optional fourth axes or indexing rotary tables may be added based on machining requirements for continuous machining of multiple faces or complex curved surfaces. This significantly enhances machining flexibility and productivity.
Yes, certainly. TSINFA offers on-site installation, start-up, and operator training on each VMC850 delivered, so your operators can become competent immediately. Our after-sales support consists of remote diagnostics and on-site maintenance support.
