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Technical parameters of BG500 W2 Spiral Bevel Gear Generating Machine
Applications of BG500 W2 Spiral Bevel Gear Generating Machine
BG500 W2 is specially designed for the rough and finish cut of non-generated gears of Spiral Bevel and Hypoid Gear sets used in automobile, construction and tractor machineries. When roughing the gear teeth, the plunge-cutting method is used while for finished cutting operation, the Formate method or Helix form method should be adopted. And it is preferable to be used in companion with BG500 D3 for machining pinions.
Main Characteristics of BG500 W2 Spiral Bevel Gear Generating Machine
1. SIEMENS 828D CNC control system, with two numerical control axes, is equipped on the machine. The main motor is a frequency variable motor.
2. When the workhead is on the longitudinal position, it is quick, correct and easy to set-up and take off the workpiece and it is suitable to establish a gear production line. Because of the work spindle being far from the cutter, it is safe to operate the workpiece.
3. The indexing of gear is controlled by the CNC control system and a new-type hydraulic cylinder for the clamp mechanism is adopted on the machine. When the machine is in operation, the work spindle is clamped tightly with the workhead and while in indexing, the work spindle is released for quick indexing.
4. A new-type mechanism controlled by numerical control axis is applied for the axial movement of work spindle, instead of the traditional cam construction, so as to simplify the machine structure and accompany with multi-cutting methods. A hydraulic forced-lubrication is adopted for the cutter spindle in order to increase the rigidity, accuracy and service life of the spindle support.
5. A beam mechanism is adopted for fixing the cutterhead with the workhead. When the workhead is up to the operating position, the beam will be hydraulically clamped for whole operation period and formed as a frame structure.
6. In addition to the hydraulic clamp between the beam and the work spindle, the main cutting force is towards the machine bed, so as to gain the best rigidity based on the heavy weight of machine.
7. Tooling and fixtures of the existing Gleason Nos.606, 607, 608, 609 and 610 machines can be used on this machine. Dimensions for connecting the cutters are 58.221mm, 126.966mm and 215.8mm respectively.
8. All kinds of protective measures, such as pressure protection, lubricating protection and indexing protection, have been adopted on the machine, so as to get the reliability of machine operation.
9. The machine is equipped with an auto chip conveyor and air conditioner for the electrical cabinet.
| Model | Unit | BG500 | |
| Type | W2 | ||
| CNC system | SIEMENS 828D | ||
| Outer cone distance | mm | 102-250 (4-9.8”) | |
| Max. pitch diameter | mm | 500 (20”) | |
| Max. module | mm | 12 | |
| Extreme ratio | 1: 2.5 | ||
| Face width | mm | 76 (3”) | |
| Number of teeth | 25-60 | ||
| Work head setting angle | 60°-90° | ||
| Offset of work spindle (setting angle 90°) | mm | 124-224 (4.9-8.8”) | |
| Offset of radial setting for cutter head | mm | 80-510 (3.2-20”) | |
| Offset of horizontal setting for cutter head | mm | 185-360 (7.6-14”) | |
| Axial travel of cutter spindle | mm | 0-26 (0-1”) | |
| Diameter of taper hole at large end | mm | Φ86.916 (3.42”) | |
| Work spindle taper | 1:24 | ||
| Depth of taper hole | mm | 15.88 (0.63”) | |
| Face diameter | mm | 222 (8.7”) | |
| Cutter diameter | 6″, 9″, 12″, 18″ | ||
| Cutting speed | |||
| Cutter diameter | Roughing | Finishing | |
| 6″ | m/min | 14-35.1 | 2.97-6.98 |
| 9″ | m/min | 17.1-46 | 4.46-10.46 |
| 12″ | m/min | 17-48.7 | 5.94-13.95 |
| 18″ | m/min | 22.8-65.4 | 8.91-20.93 |
| Feed (roughing) | Sec/tooth | 3.7-36.2 | |
| Feed (finishing) | Sec/tooth | 4.1-9.7 | |
| Total power of motor | kVA | 35 | |
| Overall dimensions (L×W×H) | mm | 3500×2900×2000 | |
| Net weight | kg | 8000 | |
Applications of BG500 W2 Spiral Bevel Gear Generating Machine
BG500 W2 is specially designed for the rough and finish cut of non-generated gears of Spiral Bevel and Hypoid Gear sets used in automobile, construction and tractor machineries. When roughing the gear teeth, the plunge-cutting method is used while for finished cutting operation, the Formate method or Helix form method should be adopted. And it is preferable to be used in companion with BG500 D3 for machining pinions.
Main Characteristics of BG500 W2 Spiral Bevel Gear Generating Machine
1. SIEMENS 828D CNC control system, with two numerical control axes, is equipped on the machine. The main motor is a frequency variable motor.
2. When the workhead is on the longitudinal position, it is quick, correct and easy to set-up and take off the workpiece and it is suitable to establish a gear production line. Because of the work spindle being far from the cutter, it is safe to operate the workpiece.
3. The indexing of gear is controlled by the CNC control system and a new-type hydraulic cylinder for the clamp mechanism is adopted on the machine. When the machine is in operation, the work spindle is clamped tightly with the workhead and while in indexing, the work spindle is released for quick indexing.
4. A new-type mechanism controlled by numerical control axis is applied for the axial movement of work spindle, instead of the traditional cam construction, so as to simplify the machine structure and accompany with multi-cutting methods. A hydraulic forced-lubrication is adopted for the cutter spindle in order to increase the rigidity, accuracy and service life of the spindle support.
5. A beam mechanism is adopted for fixing the cutterhead with the workhead. When the workhead is up to the operating position, the beam will be hydraulically clamped for whole operation period and formed as a frame structure.
6. In addition to the hydraulic clamp between the beam and the work spindle, the main cutting force is towards the machine bed, so as to gain the best rigidity based on the heavy weight of machine.
7. Tooling and fixtures of the existing Gleason Nos.606, 607, 608, 609 and 610 machines can be used on this machine. Dimensions for connecting the cutters are 58.221mm, 126.966mm and 215.8mm respectively.
8. All kinds of protective measures, such as pressure protection, lubricating protection and indexing protection, have been adopted on the machine, so as to get the reliability of machine operation.
9. The machine is equipped with an auto chip conveyor and air conditioner for the electrical cabinet.
Main Characteristics of BG500 W2 Spiral Bevel Gear Generating Machine
1. SIEMENS 828D CNC control system, with two numerical control axes, is equipped on the machine. The main motor is a frequency variable motor.
2. When the workhead is on the longitudinal position, it is quick, correct and easy to set-up and take off the workpiece and it is suitable to establish a gear production line. Because of the work spindle being far from the cutter, it is safe to operate the workpiece.
3. The indexing of gear is controlled by the CNC control system and a new-type hydraulic cylinder for the clamp mechanism is adopted on the machine. When the machine is in operation, the work spindle is clamped tightly with the workhead and while in indexing, the work spindle is released for quick indexing.
4. A new-type mechanism controlled by numerical control axis is applied for the axial movement of work spindle, instead of the traditional cam construction, so as to simplify the machine structure and accompany with multi-cutting methods. A hydraulic forced-lubrication is adopted for the cutter spindle in order to increase the rigidity, accuracy and service life of the spindle support.
5. A beam mechanism is adopted for fixing the cutterhead with the workhead. When the workhead is up to the operating position, the beam will be hydraulically clamped for whole operation period and formed as a frame structure.
6. In addition to the hydraulic clamp between the beam and the work spindle, the main cutting force is towards the machine bed, so as to gain the best rigidity based on the heavy weight of machine.
7. Tooling and fixtures of the existing Gleason Nos.606, 607, 608, 609 and 610 machines can be used on this machine. Dimensions for connecting the cutters are 58.221mm, 126.966mm and 215.8mm respectively.
8. All kinds of protective measures, such as pressure protection, lubricating protection and indexing protection, have been adopted on the machine, so as to get the reliability of machine operation.
9. The machine is equipped with an auto chip conveyor and air conditioner for the electrical cabinet.
1. SIEMENS 828D CNC control system, with two numerical control axes, is equipped on the machine. The main motor is a frequency variable motor.
2. When the workhead is on the longitudinal position, it is quick, correct and easy to set-up and take off the workpiece and it is suitable to establish a gear production line. Because of the work spindle being far from the cutter, it is safe to operate the workpiece.
3. The indexing of gear is controlled by the CNC control system and a new-type hydraulic cylinder for the clamp mechanism is adopted on the machine. When the machine is in operation, the work spindle is clamped tightly with the workhead and while in indexing, the work spindle is released for quick indexing.
4. A new-type mechanism controlled by numerical control axis is applied for the axial movement of work spindle, instead of the traditional cam construction, so as to simplify the machine structure and accompany with multi-cutting methods. A hydraulic forced-lubrication is adopted for the cutter spindle in order to increase the rigidity, accuracy and service life of the spindle support.
5. A beam mechanism is adopted for fixing the cutterhead with the workhead. When the workhead is up to the operating position, the beam will be hydraulically clamped for whole operation period and formed as a frame structure.
6. In addition to the hydraulic clamp between the beam and the work spindle, the main cutting force is towards the machine bed, so as to gain the best rigidity based on the heavy weight of machine.
7. Tooling and fixtures of the existing Gleason Nos.606, 607, 608, 609 and 610 machines can be used on this machine. Dimensions for connecting the cutters are 58.221mm, 126.966mm and 215.8mm respectively.
8. All kinds of protective measures, such as pressure protection, lubricating protection and indexing protection, have been adopted on the machine, so as to get the reliability of machine operation.
9. The machine is equipped with an auto chip conveyor and air conditioner for the electrical cabinet.
Technical parameters of BG500 W2 Spiral Bevel Gear Generating Machine
| Model | Unit | BG500 | |
| Type | W2 | ||
| CNC system | SIEMENS 828D | ||
| Outer cone distance | mm | 102-250 (4-9.8”) | |
| Max. pitch diameter | mm | 500 (20”) | |
| Max. module | mm | 12 | |
| Extreme ratio | 1: 2.5 | ||
| Face width | mm | 76 (3”) | |
| Number of teeth | 25-60 | ||
| Work head setting angle | 60°-90° | ||
| Offset of work spindle (setting angle 90°) | mm | 124-224 (4.9-8.8”) | |
| Offset of radial setting for cutter head | mm | 80-510 (3.2-20”) | |
| Offset of horizontal setting for cutter head | mm | 185-360 (7.6-14”) | |
| Axial travel of cutter spindle | mm | 0-26 (0-1”) | |
| Diameter of taper hole at large end | mm | Φ86.916 (3.42”) | |
| Work spindle taper | 1:24 | ||
| Depth of taper hole | mm | 15.88 (0.63”) | |
| Face diameter | mm | 222 (8.7”) | |
| Cutter diameter | 6″, 9″, 12″, 18″ | ||
| Cutting speed | |||
| Cutter diameter | Roughing | Finishing | |
| 6″ | m/min | 14-35.1 | 2.97-6.98 |
| 9″ | m/min | 17.1-46 | 4.46-10.46 |
| 12″ | m/min | 17-48.7 | 5.94-13.95 |
| 18″ | m/min | 22.8-65.4 | 8.91-20.93 |
| Feed (roughing) | Sec/tooth | 3.7-36.2 | |
| Feed (finishing) | Sec/tooth | 4.1-9.7 | |
| Total power of motor | kVA | 35 | |
| Overall dimensions (L×W×H) | mm | 3500×2900×2000 | |
| Net weight | kg | 8000 | |
Applications of BG500 W2 Spiral Bevel Gear Generating Machine
BG500 W2 is specially designed for the rough and finish cut of non-generated gears of Spiral Bevel and Hypoid Gear sets used in automobile, construction and tractor machineries. When roughing the gear teeth, the plunge-cutting method is used while for finished cutting operation, the Formate method or Helix form method should be adopted. And it is preferable to be used in companion with BG500 D3 for machining pinions.
BG500 W2 is specially designed for the rough and finish cut of non-generated gears of Spiral Bevel and Hypoid Gear sets used in automobile, construction and tractor machineries. When roughing the gear teeth, the plunge-cutting method is used while for finished cutting operation, the Formate method or Helix form method should be adopted. And it is preferable to be used in companion with BG500 D3 for machining pinions.
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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.
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