| Configuration | C400K | |
| Machining Capacity | Maximum Swing Over Bed ø/mm | 400 |
| Maximum Swing Over Slide ø /mm | 250 | |
| Maximum Machining Length mm | 340 | |
| Maximum Machining Diameter ø/mm | 320 | |
| Maximum Diameter of Bar ø /mm | 50 | |
| Spindle | Spindle Head Type GB59001 | A2-6 |
| Spindle Taper Hole ø /mm | 62 | |
| Spindle Speed Range r/min | 50-3000 | |
| Spindle Shift Mode | Servo | |
| Spindle Output Torque N·m | 150 | |
| Main Motor Power kW | 11 | |
| Chuck Type | Hydraulic Through Chuck | |
| Chuck Size inch | 8 | |
| Feed Rate | Rapid Traverse Speed On X/Z-axis m/min | 20/25 |
| Servo Motor Torque On X/Z-axis N·m | 7.5/7.5 | |
| X/Z-axis Travel mm | 150/400 | |
| Guideway Type | Roller Linear Guideway | |
| Turret | Turret Type | 12 Tool Post Driven Tool Turret (BMT45) |
Turning Tools /Boring Bar Size mm |
20*20/ø32/ER25 | |
| Tailstock | Tailstock Type | Hydraulic |
| Tailstock Sleeve Diameter ø /mm | 88 | |
| Tailstock Sleeve Travel mm | 80 | |
| Internal Taper of Tailstock Sleeve | MT5 | |
| Power Source | Total Rated Power KVA | 18 |
| Total Rated Current A | 35 | |
| Specification | Machine Bed Slant angle | 45° |
| Machine Weight KGS | 3520 | |
| MachineDimension L*W*H(mm) | 2620*1880*1870 | |
| Optional | Chip Conveyor | Hinge-Belt |
Main Features
1-Tool Box,Work Lamp,Color Light,Auto Lubrication System,Full metal sheet cover;
2-Heat exchanger for control cabinet，Coolant Pump;
3-12 Post Driven Tool Turret(BMT45),Hydraulic Through Chuck 8inch,Hydraulic Tailstock;
4-Chip conveyor.
| T400K Turning Center with Driven Turret COMPONENT LIST |
|||
| No. | Parts Name | Model | Supplier |
| 1 | Control System | SIEMENS 808D Advanced | SIEMENS |
| 2 | Servo Motor | X:11Nm | SIEMENS |
| Z:11Nm | SIEMENS | ||
| 3 | Spindle Motor Power | 11kw | SIEMENS |
| 4 | Spindle Bearing | NN3020K P4 | SKF |
| 5 | Spindle Bearing | YSBT 100B DB P4 | SKF |
| 6 | Spindle Bearing | NN3018 P4 | SKF |
| 7 | Ball Screw | X: 3012 | THK |
| Z: 4012 | THK | ||
| 8 | Ball Screw Bearing | X: 30TAC62 DB P4 | SKF |
| Z: 25TAC62 DB P4 | SKF | ||
| 9 | Turret | 12 Tool Post Driven Tool Turret (BMT45) | TAIWAN SWIFT |
| 10 | Chuck | Hydraulic Through Chuck 8inch | TAIWAN CHANDOX |
| 11 | Auto Lubrication Unit | XCIP-CCDXD-G | CNP |
| 12 | Coolant Pump | LIC4-30/3P | LEO |
| 13 | Working Light | 470L | AOTENG |
| 14 | Foot Pedal | N/A | TAIZHOU EASTERN |
| 15 | Safety Relay 1pc | N/A | OMRON |
| Configuration | C400K | |
| Machining Capacity | Maximum Swing Over Bed ø/mm | 400 |
| Maximum Swing Over Slide ø /mm | 250 | |
| Maximum Machining Length mm | 340 | |
| Maximum Machining Diameter ø/mm | 320 | |
| Maximum Diameter of Bar ø /mm | 50 | |
| Spindle | Spindle Head Type GB59001 | A2-6 |
| Spindle Taper Hole ø /mm | 62 | |
| Spindle Speed Range r/min | 50-3000 | |
| Spindle Shift Mode | Servo | |
| Spindle Output Torque N·m | 150 | |
| Main Motor Power kW | 11 | |
| Chuck Type | Hydraulic Through Chuck | |
| Chuck Size inch | 8 | |
| Feed Rate | Rapid Traverse Speed On X/Z-axis m/min | 20/25 |
| Servo Motor Torque On X/Z-axis N·m | 7.5/7.5 | |
| X/Z-axis Travel mm | 150/400 | |
| Guideway Type | Roller Linear Guideway | |
| Turret | Turret Type | 12 Tool Post Driven Tool Turret (BMT45) |
Turning Tools /Boring Bar Size mm |
20*20/ø32/ER25 | |
| Tailstock | Tailstock Type | Hydraulic |
| Tailstock Sleeve Diameter ø /mm | 88 | |
| Tailstock Sleeve Travel mm | 80 | |
| Internal Taper of Tailstock Sleeve | MT5 | |
| Power Source | Total Rated Power KVA | 18 |
| Total Rated Current A | 35 | |
| Specification | Machine Bed Slant angle | 45° |
| Machine Weight KGS | 3520 | |
| MachineDimension L*W*H(mm) | 2620*1880*1870 | |
| Optional | Chip Conveyor | Hinge-Belt |
1-Tool Box,Work Lamp,Color Light,Auto Lubrication System,Full metal sheet cover;
2-Heat exchanger for control cabinet，Coolant Pump;
3-12 Post Driven Tool Turret(BMT45),Hydraulic Through Chuck 8inch,Hydraulic Tailstock;
4-Chip conveyor.
| T400K Turning Center with Driven Turret COMPONENT LIST |
|||
| No. | Parts Name | Model | Supplier |
| 1 | Control System | SIEMENS 808D Advanced | SIEMENS |
| 2 | Servo Motor | X:11Nm | SIEMENS |
| Z:11Nm | SIEMENS | ||
| 3 | Spindle Motor Power | 11kw | SIEMENS |
| 4 | Spindle Bearing | NN3020K P4 | SKF |
| 5 | Spindle Bearing | YSBT 100B DB P4 | SKF |
| 6 | Spindle Bearing | NN3018 P4 | SKF |
| 7 | Ball Screw | X: 3012 | THK |
| Z: 4012 | THK | ||
| 8 | Ball Screw Bearing | X: 30TAC62 DB P4 | SKF |
| Z: 25TAC62 DB P4 | SKF | ||
| 9 | Turret | 12 Tool Post Driven Tool Turret (BMT45) | TAIWAN SWIFT |
| 10 | Chuck | Hydraulic Through Chuck 8inch | TAIWAN CHANDOX |
| 11 | Auto Lubrication Unit | XCIP-CCDXD-G | CNP |
| 12 | Coolant Pump | LIC4-30/3P | LEO |
| 13 | Working Light | 470L | AOTENG |
| 14 | Foot Pedal | N/A | TAIZHOU EASTERN |
| 15 | Safety Relay 1pc | N/A | OMRON |
Knee Type Milling Machine: Precision Versatility for Industrial Manufacturing
What is a Knee Type Milling Machine?
A knee type milling machine is a fundamental machine tool distinguished by its vertically adjustable worktable mounted on a "knee" casting. This knee moves precisely up and down a fixed column via a screw mechanism, enabling accurate Z-axis positioning crucial for diverse milling operations.
Working Principle
The core principle involves a rotating milling cutter removing material from a workpiece secured to the table. The adjustable knee mechanism allows controlled vertical movement (Z-axis), while the table provides longitudinal (X-axis) and transverse (Y-axis) travel. This 3-axis control facilitates complex machining of flat, angular, and contoured surfaces.
Key Applications
- Tool & Die Making: Precision molds, jigs, fixtures
- Prototyping: Rapid part development
- Maintenance Shops: Equipment repair & part fabrication
- General Machining: Slotting, drilling, facing, keyway cutting
- Aerospace & Automotive: Component manufacturing
Distinctive Features & Advantages
- Vertical Adjustability: Knee movement enables quick workpiece height changes
- Rigid Construction: Robust cast iron frame ensures stability
- Manual & CNC Options: Traditional control or computer numerical precision
- Turret Design (Common): Swiveling milling head for multi-angle machining
- Wide Workpiece Compatibility: Handles various sizes and shapes
Primary Classifications
- Vertical Knee Mill: Spindle axis perpendicular to table (most common)
- Horizontal Knee Mill: Spindle axis parallel to table (for heavy stock removal)
- Universal Knee Mill: Table swivels for complex angular cuts
- Turret Mill: Head rotates on turret for flexible positioning
Main Components
- Base & Column: Primary support structure
- Knee: Vertically moving saddle supporting the table
- Saddle & Table: Hold and position the workpiece (X/Y axes)
- Milling Head: Houses spindle, motor, and quill (Z-axis)
- Arbor/Spindle: Rotating shaft holding cutting tools
- Controls: Manual handwheels or CNC interface
Evolution & Industry Significance
Since their development in the late 19th century, knee-and-column mills revolutionized machining. The iconic Bridgeport design (1938) popularized the turret style. While CNC machining centers dominate high-volume production, knee mills remain indispensable for flexibility, ease of use, and cost-effectiveness in job shops, schools, and repair facilities worldwide.
Fortune Pacific: Your Knee Mill Solution
At Fortune Pacific, we engineer durable, high-precision knee type milling machines for demanding applications. Explore our range of vertical mills, horizontal mills, and CNC-ready models designed to enhance your workshop's capabilities. Discover the ideal machine for your metalworking, prototyping, or toolmaking needs.
Keywords: Knee Type Milling Machine, Vertical Milling Machine, Horizontal Mill, Turret Mill, Knee-and-Column Mill, Milling Machine for Sale, Industrial Milling, Metalworking Equipment, Workshop Machinery, CNC Mill, Toolroom Mill, Precision Machining, Fortune Pacific, Machine Tool Manufacturer.