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RD125X40H Hydraulic Lock Radial Arm Drilling Machine
Spindle box, rocker arm, inner and outer columns are reliably clamped by hydraulic diamond clamping mechanism. With safe and reliable feed safety machine, all parts easy operation and change.
- RD125X40H Hydraulic Lock Radial Arm Drilling MachineDownload
Technical Specifications of RD125x40H Hydraulic Lock Radial Arm Drilling Machine
Equipments
1. Worktable;
2. Coolant system;
3. Work light;
4. Taper sleeve;
5. T-slot bolt;
6. Drift;
7. Foundation bolt;
8. Oil gun;
9. Operation manual;
Features
l Radial drilling machine is provided with hydraulic presetting speed shift mechanism to save auxiliary time.
l It only needs one handle to operate clockwise rotation, stop (brake), variable speed and neutral gear conveniently.
l Spindle box, rocker arm, inner and outer columns are reliably clamped by hydraulic diamond clamping mechanism.
l Perfect safety protector and outer column protection are available.
l In design and production of structure, it further adopts a series of effective measures to prolong precision durability and lifespan of whole machine.
l Its electrical equipment completely contributes to personal safety, reliability, long service life and convenient maintenance.
l With wide range of speed and feed, with manual, power & fine feeds. The feed of machines are very easily engaged & disengaged at any time.
l With safe and reliable feed safety machine, all parts easy operation and change.
l All controls centralized on the head stock easy operation and change. Clamping for assemblies and speed change of spindle achieved by hydraulic power.
l Integrating technology for casting parts is excellent, adopting casting equipment, ensuring high quality of material for basic parts.
l Spindle parts are made by special high quality steel heat treatment to be made by first class equipment, ensuring high strength and durability.
l Main gears are machined by gear grinding, the machine ensuring high precision and low noise.
| Model | Unit | RD125x40H |
| Clamping type | Hydraulic lock | |
| Max. drilling capacity in steel / in cast iron | mm | Steel：125 Iron cast： 140 |
| Distance spindle axis to column generating line | mm | 600-4000 |
| Horizontal traverse of spindle head on arm | Mm | 3400 |
| Diameter of column | mm | 600 |
| Spindle taper | MT-6 | |
| Spindle travel | mm | 560 |
| Spindle speeds range | r/min | 6.3-800 |
| Spindle speeds series | 22 | |
| Range of spindle feeds | r/min | 0.06-3.2 |
| Spindle feeds | 16 | |
| Max. distance spindle nose to working surface of base | mm | 700-2500 |
| Vertical travel of arm on column | mm | 1800 |
| Dimension of worktable | mm | 1250×800×560 |
| Overall size | mm | 5380×1630×4380 |
| Power of main motor | kW | 18.5 |
| Gross weight | kg | 27000 |
1. Worktable;
2. Coolant system;
3. Work light;
4. Taper sleeve;
5. T-slot bolt;
6. Drift;
7. Foundation bolt;
8. Oil gun;
9. Operation manual;
Features
l Radial drilling machine is provided with hydraulic presetting speed shift mechanism to save auxiliary time.
l It only needs one handle to operate clockwise rotation, stop (brake), variable speed and neutral gear conveniently.
l Spindle box, rocker arm, inner and outer columns are reliably clamped by hydraulic diamond clamping mechanism.
l Perfect safety protector and outer column protection are available.
l In design and production of structure, it further adopts a series of effective measures to prolong precision durability and lifespan of whole machine.
l Its electrical equipment completely contributes to personal safety, reliability, long service life and convenient maintenance.
l With wide range of speed and feed, with manual, power & fine feeds. The feed of machines are very easily engaged & disengaged at any time.
l With safe and reliable feed safety machine, all parts easy operation and change.
l All controls centralized on the head stock easy operation and change. Clamping for assemblies and speed change of spindle achieved by hydraulic power.
l Integrating technology for casting parts is excellent, adopting casting equipment, ensuring high quality of material for basic parts.
l Spindle parts are made by special high quality steel heat treatment to be made by first class equipment, ensuring high strength and durability.
l Main gears are machined by gear grinding, the machine ensuring high precision and low noise.
l Radial drilling machine is provided with hydraulic presetting speed shift mechanism to save auxiliary time.
l It only needs one handle to operate clockwise rotation, stop (brake), variable speed and neutral gear conveniently.
l Spindle box, rocker arm, inner and outer columns are reliably clamped by hydraulic diamond clamping mechanism.
l Perfect safety protector and outer column protection are available.
l In design and production of structure, it further adopts a series of effective measures to prolong precision durability and lifespan of whole machine.
l Its electrical equipment completely contributes to personal safety, reliability, long service life and convenient maintenance.
l With wide range of speed and feed, with manual, power & fine feeds. The feed of machines are very easily engaged & disengaged at any time.
l With safe and reliable feed safety machine, all parts easy operation and change.
l All controls centralized on the head stock easy operation and change. Clamping for assemblies and speed change of spindle achieved by hydraulic power.
l Integrating technology for casting parts is excellent, adopting casting equipment, ensuring high quality of material for basic parts.
l Spindle parts are made by special high quality steel heat treatment to be made by first class equipment, ensuring high strength and durability.
l Main gears are machined by gear grinding, the machine ensuring high precision and low noise.
l It only needs one handle to operate clockwise rotation, stop (brake), variable speed and neutral gear conveniently.
l Spindle box, rocker arm, inner and outer columns are reliably clamped by hydraulic diamond clamping mechanism.
l Perfect safety protector and outer column protection are available.
l In design and production of structure, it further adopts a series of effective measures to prolong precision durability and lifespan of whole machine.
l Its electrical equipment completely contributes to personal safety, reliability, long service life and convenient maintenance.
l With wide range of speed and feed, with manual, power & fine feeds. The feed of machines are very easily engaged & disengaged at any time.
l With safe and reliable feed safety machine, all parts easy operation and change.
l All controls centralized on the head stock easy operation and change. Clamping for assemblies and speed change of spindle achieved by hydraulic power.
l Integrating technology for casting parts is excellent, adopting casting equipment, ensuring high quality of material for basic parts.
l Spindle parts are made by special high quality steel heat treatment to be made by first class equipment, ensuring high strength and durability.
l Main gears are machined by gear grinding, the machine ensuring high precision and low noise.
1. Worktable; 2. Coolant system;
3. Work light; 4. Taper sleeve;
5. T-slot bolt; 6. Drift;
7. Foundation bolt; 8. Oil gun;
9. Operation manual;
3. Work light; 4. Taper sleeve;
5. T-slot bolt; 6. Drift;
7. Foundation bolt; 8. Oil gun;
9. Operation manual;
Technical Specifications of RD125x40H Hydraulic Lock Radial Arm Drilling Machine
| Model | Unit | RD125x40H |
| Clamping type | Hydraulic lock | |
| Max. drilling capacity in steel / in cast iron | mm | Steel：125 Iron cast： 140 |
| Distance spindle axis to column generating line | mm | 600-4000 |
| Horizontal traverse of spindle head on arm | Mm | 3400 |
| Diameter of column | mm | 600 |
| Spindle taper | MT-6 | |
| Spindle travel | mm | 560 |
| Spindle speeds range | r/min | 6.3-800 |
| Spindle speeds series | 22 | |
| Range of spindle feeds | r/min | 0.06-3.2 |
| Spindle feeds | 16 | |
| Max. distance spindle nose to working surface of base | mm | 700-2500 |
| Vertical travel of arm on column | mm | 1800 |
| Dimension of worktable | mm | 1250×800×560 |
| Overall size | mm | 5380×1630×4380 |
| Power of main motor | kW | 18.5 |
| Gross weight | kg | 27000 |
Products
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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.