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The Incline CNC Machine Center (also referred to as Tilt-Axis CNC Machining Center) is a high-precision, multi-functional automated machining equipment designed with a tilted worktable or spindle configuration. Unlike traditional vertical or horizontal CNC machining centers, its core advantage lies in the adjustable incline angle of key components, enabling efficient processing of complex parts with multi-sided features while optimizing chip evacuation, reducing setup times, and enhancing machining accuracy. It is widely used in industries demanding high-precision and high-efficiency manufacturing, such as automotive, aerospace, precision mold, and general machinery.
1. Core Advantages
The incline design of this machine center addresses critical pain points in conventional machining, delivering unique value in production efficiency and part quality:
Superior Chip Evacuation: The tilted worktable (typically 30°-90° adjustable) leverages gravity to automatically drain metal chips away from the cutting area. This eliminates chip accumulation on the workpiece or cutting tool, which often causes scratches, tool wear, or dimensional deviations in traditional vertical machines.
One-Setup Multi-Feature Machining: With the incline worktable or spindle, the machine can access multiple sides of a part (e.g., holes, slots, contours on vertical, horizontal, and angled planes) in a single clamping. This reduces repeated setup times by 30%-50% compared to multi-machine processing and minimizes clamping errors (a major source of dimensional inaccuracies).
Optimized Space Utilization: Compared to horizontal CNC machining centers (which require larger floor space for spindle and worktable movement), incline models combine the flexibility of multi-axis machining with a compact footprint-ideal for factories with limited production space.
Enhanced Adaptability to Complex Parts: It excels at machining parts with irregular or multi-angle features, such as automotive transmission housings, aerospace aluminum alloy structural components, and precision mold cores. The incline axis works in synergy with X/Y/Z linear axes (and optional rotational axes like A/C) to achieve 4-axis or 5-axis (simultaneous multi-axis machining), meeting the demands of complex 3D contours.
2. Key Components & Their Functions
An incline CNC machine center consists of several core systems, each contributing to its precision, stability, and efficiency:
Component Function & Technical Features
Tiltable Worktable The core component of the incline design. Usually made of high-strength cast iron (for vibration damping) and driven by servo motors. Incline angles typically range from 0° (horizontal) to 90° (vertical), with positioning accuracy up to ±0.001° (depending on the servo system). It supports workpiece weights from 50kg to 500kg (for heavy-duty models).
CNC Control System The "brain" of the machine, typically adopting industry-leading systems like FANUC 0i-MF, Siemens Sinumerik ONE, or Mazak SmoothX. It enables precise control of incline angle adjustment, axis interpolation, and machining parameter optimization. Advanced models support AI-based cutting parameter adaptation (e.g., load monitoring to prevent tool breakage).
Spindle Unit Delivers high-speed, high-torque cutting performance. Spindle speeds range from 8,000 rpm (for heavy cutting) to 24,000 rpm (for high-speed finishing). Equipped with a liquid-cooling or air-cooling system to avoid thermal deformation. Rigidity is enhanced via roller bearings or hydrostatic bearings.
Feed System Composed of precision ball screws (or linear motors for high-speed models) and linear guides. Ensures smooth, low-friction movement of X/Y/Z axes and the incline axis, with positioning accuracy up to ±0.003 mm and repeatability within ±0.001 mm.
Automatic Tool Changer (ATC) Reduces tool change time (typically 1.5-3 seconds per change) with a chain-type or disc-type tool magazine (capacity: 20-60 tools). Supports tools of various types (end mills, drills, taps) to realize multi-process integration (milling, drilling, tapping, boring).
Chip & Cooling System Includes a spiral chip conveyor (to quickly remove chips) and a high-pressure coolant system (10-30 MPa) to cool the cutting area, extend tool life, and improve surface finish. The incline design optimizes coolant flow to target the cutting zone directly.
3. Typical Application Fields
The incline CNC machine center's versatility makes it indispensable in industries requiring high-precision, complex part manufacturing:
Automotive Industry: Machining of engine cylinder blocks, transmission housings, and suspension components (materials: cast iron, aluminum alloy). The one-setup process ensures consistency in hole position accuracy (critical for assembly).
Aerospace Industry: Processing of lightweight structural parts (titanium alloy, carbon fiber composites) with multi-angle holes and thin-walled contours. The incline axis avoids tool interference and ensures uniform wall thickness.
Precision Mold Industry: Manufacturing of plastic mold cores/cavities and die-casting molds. The machine's high rigidity and incline machining capability realize smooth 3D surface finishing (Ra ≤ 0.8 μm).
General Machinery: Production of hydraulic valves, pump bodies, and gearboxes. The multi-process integration reduces lead times and improves part interchangeability.
| Item | Unit | HTC4035Bm | HTC4050B/HTC40100B | HTC50150/HTC50200 | |
| Max.turning diameter on the machine | mm | Ф560 | Ф560 | Ф720 | |
| Max.working diameter | mm | Ф350 | Hollow Ф400;spindle Ф350 | Ф630 | |
| Max.Milling length | mm | 350 | 500/1000 | 1500/2000 | |
| Max. truning diameter for Stocktable | mm | Ф350 | Ф350 | Ф500 | |
| Spindle top size | A2-6 | A2-6/A2-8(1:20) | A2-11(1:20) | ||
| Spindle hole diameter | mm | 65 | Ф65/80 | Ф80 | |
| Max.through materials diameter | mm | Ф50(hollow usage) | Ф50/66( hollow usage ) | Ф66( hollow usage ) | |
| Single spindle box | Мain spindle rotating speed Max.output Torque |
r/min/Nm | 4500/176(large power spindle) | 50~4500/177(GSK 988TA/FANUC)) | 50~3000/420(FANUC 0i -TF) |
| Main motor output power | 30min/continues | kW | 37/30 | 11/15 | 18.5/15(βiIP30/8000 ) |
| Standard hollow | Hollow diameter | inch | 8″ | 8″/10″ | 10″ |
| X Spindle fast moving | m/min | 30(Rolling Guide) | 30( Rolling Guide ) | 30( Rolling Guide ) | |
| Z Spindle fast moving | m/min | 30( Rolling Guide ) | 30( Rolling Guide) | 30( Rolling Guide) | |
| X Axis Travel | mm | 200 | 210 | 315 | |
| Z Axis Travel | mm | 400 | 560/1050 | 1570 | |
| Tailstock travel | mm | нету | 350-710 | 1200 | |
| Tailstock sleeve stroke diameter | mm | нету | Ф100 | Ф120 | |
| Tail seat sleeve distance | mm | нету | 100 | 150 | |
| Tail seat spindle sleeve taper | MTA+ | нету | MT-4(Small Spindle Tailstock),Optional MT-5 | MT-5( Small Spindle Tailstock ) | |
| Standard Knife library form | Horizontal 8-station power tool turret(Optional 12 ) | Horizontal 8-station power tool turret(Optional 12 ) | Horizontal 8-station power tool turret(Optional 12 ) | ||
| Knife Size | Outer circular knife | mm | 25×25 | 25×25 | 25×25 |
| Outer knife diameter | mm | Ф40 Ф32 Ф25 Ф20 | Ф40/Ф32/Ф25/Ф20 | Ф40,Ф32,Ф25,Ф20 | |
| Whether choose knife nearby hollow | Yes | Yes | Yes | ||
| Machine Weight | Total Weight | kg | 3700 | 4000/4800 | 9500 |
| Max. Capacity | Hollow | kg | 200(With machine parts) | 200( With machine parts ) | 200( With machine parts) |
| Spindle | kg | 500( With machine parts ) | 500( With machine parts) | 600( With machine parts) | |
| Machine Outsize | Legnth × Width × High | mm | 2540×1860×1850 | 2750×2000×1900 / 3570×2000×1900 | 4700×2270×2200/5600×2270×2200 |
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