3000mm Milling Length Beamless Dual-Drive Dual-Power Head Milling Machine Model XB-3
Overview:
The XB series milling machine without pressure beam is an advanced and efficient new milling equipment independently developed and manufactured by our company, and it is the only product to have obtained a national utility model patent issued by the State Patent Office. It is widely used in equipment manufacturing in industries such as pressure vessels, boilers, shipbuilding, large formwork and machinery, steel structures, power, and chemicals, and is particularly suitable for milling special alloy plates and new materials, as well as for pre-welding processing of plates.
Equipment Composition:
The equipment mainly consists of the following parts: (1) machine bed, (2) worktable (with electromagnetic chuck), (3) guide rail, (4) lifting column, (5) milling power head, (6) power trolley, (7) milling cutter head, (8) electrical control box, (9) lubrication device, (10) conductive device, (11) protective device, (12) positioning device, (13) material support device, (14) paint, (15) cutting tool cutter head.
Specifications:
| NO |
Items
|
Parameter Value |
Unit
|
Remarks
|
| 1 |
Effective milling length
|
3000 |
mm |
Dual power heads simultaneously cut in the same direction in one pass, achieving an effective cut of 3000 mm.
|
| 2 |
Machining plate thickness
|
5-300 |
mm |
|
| |
Machining plate width
|
100 |
mm |
Sheet width not less than 100 mm.
|
| 3 |
Milling angle |
0-85,
-45-0
|
º |
Front bevel angle: 0～85°
Back bevel angle: 0～-45°
|
| 4 |
Rapid traverse speed
|
2500 |
mm/min |
|
| 5 |
Milling speed |
100-1500 |
mm/min |
Based on material and depth of cut
|
| 6 |
Maximum horizontal milling stroke |
≥300mm |
|
| 7 |
Maximum vertical milling stroke |
≥500mm |
|
| 8 |
Machining surface roughness |
Ra3.2-12.5 |
Based on walking speed
|
| 9 |
Bed guideway straightness
|
≤0.40mm/3000 |
Single-sided |
| 11 |
Milling power head speed
|
960 |
r/min |
DLT-2 oil-free planetary type, simple and practical |
| 13 |
Milling cutter diameter
|
125 |
mm |
Universal 160
|
| 14 |
Number of electro-permanent magnet chucks (chuck size 400x220)
|
6 |
Set |
Manufactured by a professional manufacturer, not made in-house by our company |
| 15 |
Electro-permanent magnet chuck suction power |
3 |
T |
|
| 16 |
Manual material stop device
|
4 |
Set |
Straightness 0.40mm/30000
|
| 17 |
Main material support frame
|
5 |
Set |
1.2M/top surface with universal casters |
| 18 |
Workbench height from ground |
900 |
mm |
Mounting pad height 50mm
|
| 19 |
Workbench width
|
520 |
mm |
Vertical worktable width |
| 20 |
Effective clamping length of workbench |
3000 |
mm |
Total workbench length: 5500mm
|
| 19 |
Feed motor power
|
1.5 |
KW |
Schneider Electric frequency converter
|
| 20 |
Milling motor power
|
7.5 |
KW |
Variable frequency speed control. Schneider Electric frequency converter. |
| 21 |
Lifting motor power
|
0.75 |
KW |
|
| 22 |
Lubricating oil pump motor power |
100 |
W |
|
| 23 |
Equipment dimensions
|
Length 5500mm × 2700mm (including support frame) × Height 2100mm
|
| 24 |
Power supply |
Three-phase three-wire 380VAC (±15%), 50Hz (±1Hz)
|
| 25 |
Environmental conditions
|
-10℃ to -45℃, Relative humidity: 20%—95%
|
| 26 |
Machine tool idle noise
|
＜85dB(A) |
| 27 |
Altitude |
＜1500m |
Structural Features:
1. The machine bed is constructed from high-quality carbon steel plates, with a seamless welded design and rational layout. This ensures a robust structure, enhanced rigidity, and convenient transportation. Furthermore, it undergoes overall aging treatment to effectively eliminate internal stress. The bed is designed as a suspended type with parallel vertical guide rails, providing a single reference surface after machining, guaranteeing straightness during actual cutting (compared to base-type and suspended combinations which have two reference surfaces, this design better ensures straightness).
2. The table uses electromagnetic chucks to fix the workpiece, offering convenient operation and ample installation space. Each chuck measures 220×400mm (width x length), with 6 chucks arranged along the length, effectively reducing the table's suction distance.
3. Segmented Fully Hardened Guide Rails: (Top-of-the-line configuration) Guide rail dimensions: 40*80*600mm, material: 40CrMo, integrally quenched and tempered, high-frequency hardened to a hardness of HRC48-50, precision ground to ensure accurate segmented splicing. If the equipment has been used for an extended period, the guide rails can be removed for repair or replacement to restore accuracy and extend the equipment's lifespan; straightness not exceeding 0.40mm/3000mm.
4. Lifting Column: The column is bolted to the slide. The slide is made of high-strength cast iron (HT-250), integrally cast and then machined. The slide can move left and right on the bed guide rails, while the column can move forward and backward perpendicularly to the bed. The lifting slide screw on the column is driven by a motor and reducer to achieve electric lifting and lowering, or manual lifting. Limit switches are installed on both the upper and lower sides of the lifting column to ensure that the power head does not exceed its travel range due to operator negligence during lifting, thus preventing accidents.
5. The milling power head uses a high-quality, self-made milling head specifically designed for edge milling machines (a stable product independently designed and manufactured by the company). The milling power head is mounted on a lifting slide on the left side of the column and can be electrically raised and lowered with the column slide screw. For fine adjustments, manual adjustment is required to ensure safety and accuracy during tool setting. The worm gear shaft on the slide can be tilted at a corresponding angle to the horizontal plane, enabling machining of the front face (0-85°) and the bottom face (0--45°) end face or bevel. The milling feed speed can be adjusted at any time to meet the needs of milling at any speed and rapid return. It also features reciprocating milling functionality.
6. The power trolley features a non-standard, enlarged design and is a separately designed unit. Gears and reducers are mounted on the large slide, with the gears meshing on the guide rail rack. A low-noise, high-torque reducer with hardened parallel shaft helical gears drives the machine via a variable frequency motor. The frequency converter, through a controller, allows for stepless speed regulation of the traveling mechanism. Detailed traveling and milling speeds are displayed on the digital display on the milling machine's control panel. It is convenient, fast, and highly efficient. This machine has two independent power trolleys, which can be controlled independently or in conjunction. A safety anti-collision device is installed between the two trolleys.
7. Milling Cutter Head: The milling cutter head of this machine tool uses a high-quality domestically produced milling machine-specific milling cutter head that meets national standards. Based on the customer's machining requirements for Q345D high-strength steel plates, a Φ125-160 high-strength 75° cutter head is used to reduce the cutting contact area, lower cutting temperature, and reduce tool wear. YW series carbide high-alloy inserts can be used.
8. Electrical Control Box: There are two sets of electrical control boxes. One set is installed on the right column on the right side of the machine bed, mainly controlling the overall power supply. The other set of electrical control boxes is fixedly installed on the power carriages. The electrical control panel is mounted on the column, near the operating surface. Pressing the required buttons allows operation of the machine for normal milling. The travel speed and power head speed are digitally displayed on the control panel.
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