| Items | T0632AL |
| Capacity | |
| Swing over bed | Φ330mm |
| Swing over cross slide | Φ198mm |
| Swing in gap dia. | Φ476mm |
| Swing in length | 210mm |
| Center height | 166mm |
| Distance between centers | 1000mm |
| Bed width | 187mm |
| Bed length | 1655mm |
| Bed height | 290mm |
| Spindle | |
| Spindle bore | Φ38mm |
| Spindle nose | D1-4 |
| Spindle Taper | MT-5 |
| Spindle speed | 70-2000rpm |
| Steps of spindle speed | 8 |
| Thread and Feed | |
| Lead screw diameter | 22mm |
| Lead screw pitch | 8T.P.I. or 3mm |
| Feed rod diameter | 19mm |
| Inch thread | Nos.4-56 T.P.I / 34 kinds |
| Metric thread | Nos.0.4-7 M.P / 26 kinds |
| Longitudinal Feeds Range in Inch Lead Screw | Nos.0.002-0.548"/Rev / 32 kinds |
| Longitudinal Feeds Range in Metric Lead Screw | Nos.0.052-0.392mm/Rev / 32 kinds |
| Cross Feeds Range in Inch Lead Screw | Nos.0.007-0.0187"/Rev) / 32 kinds |
| Cross Feeds Range in Metric Lead Screw | Nos.0.014-0.380mm/Rev / 32 kinds |
| Tool | |
| Max. Section of Tool | 16x16mm |
| Width of Cross Slide | 130mm |
| Max. Travel of Cross Slide | 170mm |
| Compound rest width | 80mm |
| Compound rest travel | 95mm |
| Tailstock | |
| Tailstock sleeve diameter | Φ32mm |
| Tailstock sleeve travel | 100mm |
| Tailstock sleeve taper | MT3 |
| Motor | |
| Main motor power | 1.5 kW (2HP) |
| Item 01 | Descriptions | |
| 01.01 | 3-Jaw chuck | |
| 01.02 | 4-Jaw chuck | |
| 01.03 | Steady rest | |
| 01.04 | Follow rest | |
| 01.05 | Face plate | |
| 01.06 | Stand | |
| 01.07 | Brake | |
| 01.08 | Work lamp | |
| 01.09 | Coolant system | |
| 01.10 | Dead center | |
| 01.11 | Tool box |
| Item 02 | Descriptions | |
| 02.01 | 2-axis Digital Read Out | |
| 02.02 | 3-axis Digital Read Out | |
| 02.03 | Taper turning attachment | |
| 02.04 | Living center |
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.
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