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Technical Specifications of HVS400 Hydraulic Slotting Machine
Working Accuracy of HVS400 Hydraulic Slotting Machine
Standard accessories
1. Cutter arbor;
2. Leveling bolts;
3. Foundation bolt;
4. Tool box;
Optional accessories
1. Ø250mm 3-Jaw Chuck;
2. Chuck spanner;
3. Level iron;
4. Holding-down plate;
5. Holding-down bolt.
Applications
HVS400 Hydraulic Slotting Machine is for slotting the flat surface of various parts, forming surface (including arc surface) and the keyway and slotting the workpiece as mold of inclination in the range at 0°~10°, apply to single or small batch production.
Features
1. Worktable of HVS400 Hydraulic Slotting Machine feeding in three different directions (vertical, horizontal and rotary). The workpiece can be continuously processed a few surfaces once the clamping device hold on it.
2. Hydraulic Slotting Machine has the Ram reciprocating motion of the hydraulic transmission and the worktable hydraulic feeding device.
3. Slide ram speed keep the same for each reciprocating motion. The velocity of the Ram and table movement can be stepless adjustment.
4. Hydraulic console have the reversing mechanism institutions for Ram reversing movement.
5. Except hydraulic and manual feed of worktable, there is still a separate motor drive rapid in vertical, horizontal and rotary. Hydraulic Slotting Machine with hydraulic feed, power feed by hydraulic is made at the moment of return, so superior to mechanical slotting machine drum feed.
HVS400 Hydraulic Slotting Machine, comparison with the traditional mechanical slotting machine
1. Hydraulic drive with overload protection.
2. The main movement parts of the hydraulic slotting machines work in the oil, machine lubricating surface to be self-lubricating, thereby greatly extending the machine life.
3. HVS400 Hydraulic slotting machines in operation with stepless manner, especially in low speed operation is more stable, this can not be achieved by mechanical slotting machine.
4. Automatic tool lifting automatic and reliable, the cutter not easy to wear and improve tool life. Hydraulic system pressed the turret automatic, Not make Arbor resulting in the phenomenon of the cutting tool, and thus in the process improve the finish and accuracy of the workpiece.
5. HVS400 Cutting tool transverse driven by oil pump to greatly improve the accuracy of Cutting tool transverse.
6. Cutting tool feed travel of hydraulic slotting machine with stepless adjustment, very easy to operate, feed stable.
7. Hydraulic slotting machine with small size, easy to install, easy to implement a variety of complex technical operation.
8. HVS400 Hydraulic slotting machine running smoothly, the noise below 70 decibels.
9. HVS400 Hydraulic slotting machine can adjust the angle to 0-10°, mechanical slotting machines can't reach.
10. With the touch stop block to adjust the journey and direction convenient.
11. HVS400 Hydraulic slotting machines cutting force is strong and can reach 16.6KN (1.66 tones), the same model mechanical slotting machine can only reach 8KN (0.8 tons).
| Model | Unit | HVS400 |
|---|---|---|
| Max. stroke length of ram | mm | 450 (18”) |
| Min. stroke length of ram | mm | 125 (4.9”) |
| Max. slotting length | mm | 400 (16”) |
| Distance of vertical adjust of ram | mm | 450 (18”) |
| Extreme high speed for work stroke of ram | m/min | 29 |
| Extreme low speed for work stroke of ram | m/min | 5 |
| Speed ratio of work stroke and return stroke of ram | 1:1.53 | |
| Speed adjust for work stroke | Stepless | |
| Max. slotting force | kN | 16.6 |
| Distance from tool holding surface to column front | mm | 680 (27”) |
| Distance from worktable surface to underside of slide rack | mm | 550 (22”) |
| Max. longitudinal travel of worktable | mm | 620 (24”) |
| Max. transverse travel of worktable | mm | 620 (24”) |
| Diameter of worktable | mm | Ø730 (29”) |
| Inclination of ram | (°) | 0~10 |
| Feed range of worktable in longitudinal & transverse direction | mm | 0.054-1.24 |
| Rotary feed range of worktable | (°) | 0.035-0.805 |
| Max size of slotting tool (L×H) | mm | 25×40 (0.98X1.57”) |
| Max loading weight on worktable | kg | 800 |
| T-slot width in the center of worktable | mm | 18H8 |
| Power supply of main electric motor | kW | 5.5 |
| Power of motor for rapid traverse | kW | 0.75 |
| Net weight (approx) | kg | 3500 |
| Gross weight | kg | 3800 |
| Dimensions of machine tool (L×W×H) | mm | 2624×1405×2550 |
| Packing size | mm | 2650×1400×2500; 630×700×1300 |
| Flatness of machined surface on tested workpiece | mm | 0.015 |
|---|---|---|
| Verticality of machined surface on tested workpiece | mm | 0.025 |
| Surface roughness on tested workpiece | 6.3 | |
| Verticality of machined side tested workpiece against base | mm | 0.02 |
1. Cutter arbor;
2. Leveling bolts;
3. Foundation bolt;
4. Tool box;
Optional accessories
1. Ø250mm 3-Jaw Chuck;
2. Chuck spanner;
3. Level iron;
4. Holding-down plate;
5. Holding-down bolt.
Applications
HVS400 Hydraulic Slotting Machine is for slotting the flat surface of various parts, forming surface (including arc surface) and the keyway and slotting the workpiece as mold of inclination in the range at 0°~10°, apply to single or small batch production.
Features
1. Worktable of HVS400 Hydraulic Slotting Machine feeding in three different directions (vertical, horizontal and rotary). The workpiece can be continuously processed a few surfaces once the clamping device hold on it.
2. Hydraulic Slotting Machine has the Ram reciprocating motion of the hydraulic transmission and the worktable hydraulic feeding device.
3. Slide ram speed keep the same for each reciprocating motion. The velocity of the Ram and table movement can be stepless adjustment.
4. Hydraulic console have the reversing mechanism institutions for Ram reversing movement.
5. Except hydraulic and manual feed of worktable, there is still a separate motor drive rapid in vertical, horizontal and rotary. Hydraulic Slotting Machine with hydraulic feed, power feed by hydraulic is made at the moment of return, so superior to mechanical slotting machine drum feed.
HVS400 Hydraulic Slotting Machine, comparison with the traditional mechanical slotting machine
1. Hydraulic drive with overload protection.
2. The main movement parts of the hydraulic slotting machines work in the oil, machine lubricating surface to be self-lubricating, thereby greatly extending the machine life.
3. HVS400 Hydraulic slotting machines in operation with stepless manner, especially in low speed operation is more stable, this can not be achieved by mechanical slotting machine.
4. Automatic tool lifting automatic and reliable, the cutter not easy to wear and improve tool life. Hydraulic system pressed the turret automatic, Not make Arbor resulting in the phenomenon of the cutting tool, and thus in the process improve the finish and accuracy of the workpiece.
5. HVS400 Cutting tool transverse driven by oil pump to greatly improve the accuracy of Cutting tool transverse.
6. Cutting tool feed travel of hydraulic slotting machine with stepless adjustment, very easy to operate, feed stable.
7. Hydraulic slotting machine with small size, easy to install, easy to implement a variety of complex technical operation.
8. HVS400 Hydraulic slotting machine running smoothly, the noise below 70 decibels.
9. HVS400 Hydraulic slotting machine can adjust the angle to 0-10°, mechanical slotting machines can't reach.
10. With the touch stop block to adjust the journey and direction convenient.
11. HVS400 Hydraulic slotting machines cutting force is strong and can reach 16.6KN (1.66 tones), the same model mechanical slotting machine can only reach 8KN (0.8 tons).
Standard accessories
1. Cutter arbor;
2. Leveling bolts;
3. Foundation bolt;
4. Tool box;
Optional accessories
1. Ø250mm 3-Jaw Chuck;
2. Chuck spanner;
3. Level iron;
4. Holding-down plate;
5. Holding-down bolt.
1. Cutter arbor;
2. Leveling bolts;
3. Foundation bolt;
4. Tool box;
Optional accessories
1. Ø250mm 3-Jaw Chuck;
2. Chuck spanner;
3. Level iron;
4. Holding-down plate;
5. Holding-down bolt.
Technical Specifications of HVS400 Hydraulic Slotting Machine
| Model | Unit | HVS400 |
|---|---|---|
| Max. stroke length of ram | mm | 450 (18”) |
| Min. stroke length of ram | mm | 125 (4.9”) |
| Max. slotting length | mm | 400 (16”) |
| Distance of vertical adjust of ram | mm | 450 (18”) |
| Extreme high speed for work stroke of ram | m/min | 29 |
| Extreme low speed for work stroke of ram | m/min | 5 |
| Speed ratio of work stroke and return stroke of ram | 1:1.53 | |
| Speed adjust for work stroke | Stepless | |
| Max. slotting force | kN | 16.6 |
| Distance from tool holding surface to column front | mm | 680 (27”) |
| Distance from worktable surface to underside of slide rack | mm | 550 (22”) |
| Max. longitudinal travel of worktable | mm | 620 (24”) |
| Max. transverse travel of worktable | mm | 620 (24”) |
| Diameter of worktable | mm | Ø730 (29”) |
| Inclination of ram | (°) | 0~10 |
| Feed range of worktable in longitudinal & transverse direction | mm | 0.054-1.24 |
| Rotary feed range of worktable | (°) | 0.035-0.805 |
| Max size of slotting tool (L×H) | mm | 25×40 (0.98X1.57”) |
| Max loading weight on worktable | kg | 800 |
| T-slot width in the center of worktable | mm | 18H8 |
| Power supply of main electric motor | kW | 5.5 |
| Power of motor for rapid traverse | kW | 0.75 |
| Net weight (approx) | kg | 3500 |
| Gross weight | kg | 3800 |
| Dimensions of machine tool (L×W×H) | mm | 2624×1405×2550 |
| Packing size | mm | 2650×1400×2500; 630×700×1300 |
Working Accuracy of HVS400 Hydraulic Slotting Machine
| Flatness of machined surface on tested workpiece | mm | 0.015 |
|---|---|---|
| Verticality of machined surface on tested workpiece | mm | 0.025 |
| Surface roughness on tested workpiece | 6.3 | |
| Verticality of machined side tested workpiece against base | mm | 0.02 |
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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
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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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