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GML-1270 Vertical Machining Center Description
A Vertical Machining Center (VMC) is a type of CNC (Computer Numerical Control) machine tool that is widely used in the manufacturing industry for milling, drilling, and boring operations on a variety of materials, including metals, plastics, and composites. It is characterized by its vertical spindle, which aligns with the machine's table, allowing for the cutting tool to approach the workpiece from above.
VMCs are highly versatile and can perform a multitude of operations in a single setup, reducing the need for manual intervention and increasing efficiency. They are equipped with advanced control systems that interpret G-code or other programming languages to guide the machine's movements and operations.
VMCS Structural Characteristics

1. The machine incorporates Japanese NBK couplings, NSK bearings, and a high-precision 50mm C3-grade ballscrew from Taiwan.
2. The ballscrew is pre-tensioned to mitigate the effects of thermal expansion.
3. The spindle head features a box-way design and a six-slider Z-axis support, ensuring high rigidity.
4. Equipped with a Taiwan-made Φ155 BBT50 spindle operating at 6000rpm, it includes six bearings and is fitted with coolant nozzles.
5. The machine has a travel range of X: 1300mm, Y: 750mm, and Z: 680mm, and is prepared for the installation of optical linear scales.
6. The Y-axis is reinforced with four German Rexroth ball linear guideways, enhancing both rigidity and precision.
7. The worktable measures 1360mm by 700mm.
8. An optional Italian BF gearbox is available for improved cutting performance, featuring high/low gear options and step-less speed changes.
9. The base is constructed from precision HT300 high-grade cast iron.
features of Vertical Machining Center
1. Spindle Orientation: The vertical spindle is ideal for cutting operations where the workpiece is stationary on the table.
2. Multi-Axis Capability: Most VMCs offer three-axis (X, Y, Z) movement, with some models featuring four or five axes for even more complex machining.
3. Rigidity and Precision: VMCs are designed for high rigidity to ensure accuracy and repeatability, essential for maintaining tight tolerances in finished parts.
4. Automation: Many VMCs can be equipped with automatic tool changers (ATC) and pallet changers for unmanned operation, enhancing productivity.
5. Versatility: They can handle a wide range of cutting tools and are suitable for various materials and part geometries.
6. Ease of Use: Modern VMCs come with user-friendly interfaces and software that simplify the programming and operation process.
7. Durability: Constructed with robust materials like high-grade cast iron, VMCs are built to withstand the rigors of continuous operation and heavy cutting.

types of vertical milling machines
There are two types of vertical milling machines:
stationary.
turreted.
A fixed-axis vertical milling machine consists of a single part - a table that supports the work table so that it can move perpendicular to the spindle, which moves parallel to its axis. Because of the axis arrangement, this type of milling machine is suitable for grooving and making grooves of considerable depth in long-term work.
As for the vertical turret milling machine, its most interesting feature is that the spindle does not move when cutting or machining the workpiece. The table has a longitudinal movement and is perpendicular to the spindle.
Functions of a vertical milling machine
| Milling | This is the basic function of a milling machine, to precisely remove material from the surface to be machined. A vertical milling machine can mill various surfaces, including flat, curved, and angled, and make grooves and holes. |
| Drilling | With its vertical spindle position, the vertical milling machine can also function as a drilling machine, allowing precise drilling of holes. |
| Reaming and threading | The vertical milling machine can ream holes to a specific diameter and perform threading, creating threads for bolts and nuts. |
| Surface machining | With this tool, the surface can be smoothed, providing a high level of finish. |
| Programmability | With CNC vertical milling machines, one of the key features is the ability to program toolpaths, allowing the automatic production of complex parts with high precision and repeatability. |
|
Surface Milling |
Steel 45# |
Drilling Holes |
Steel 45# |
Tapping |
Steel 45# |
|
Cutting |
|
Cutter diameter |
|
Cutting Tapping |
|
|
Cutter |
Ø125mm*5T |
Cutter |
Ø80mm*2T |
Cutter |
M30*3P |
|
Spindle speed |
550rpm |
Spindle speed |
800rpm |
Spindle speed |
120rpm |
|
Feed |
F500 |
Feed |
F100 |
Feed |
F420 |
|
Width |
80mm |
Width |
80mm |
Width |
50mm |
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