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WGM360 A CNC Worm Wheel Gear Grinding Machine
  • WGM360 A CNC Worm Wheel Gear Grinding Machine

WGM360 A CNC Worm Wheel Gear Grinding Machine

WGM360 A CNC Worm Wheel Gear Grinding Machine grinding wheel rotary axis, workpiece rotary axis, workpiece radial feed axis, workpiece tangential feed axis and workpiece axial movement axis can simultaneously grind.
  • WGM360 A CNC Worm Wheel Gear Grinding MachineDownload
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Technical parameters of WGM360 A CNC Worm Wheel Gear Grinding Machine
Model Unit WGM360
Type   A
CNC system   NUM1050
Workpiece outer diameter mm Φ20-360 (0.79-14”)
Workpiece module mm 1-6
No. of teeth   12-260
Max teeth width (spur gear) mm 190 (7.5”)
Max helix angle degree ±45
Workpiece pressure angle degree 15-23
Max workpiece weight (including fixture) kg 60
Distance between centers mm 180-420 (7.1-17”)
Max travel of work rest mm 200 (7.9”)
Working speed of work rest mm/min 8-200
Swivel angle of work rest degree ±45
Distance between grinding wheel axis and work rest center mm 180-440 (7.1-17”)
Grinding wheel speed: grinding / dressing rpm 1000-1650 / 38.4
Grinding wheel size mm Φ400x203x100 (16x8x3.9”)
Max travel of wheel head mm 260 (10”)
Rapid travel of wheel head mm 40 (1.6”)
Max travel of dresser in wheel spindle direction: axial / radial mm 165 / 85 (6.5 / 3.4”)
Total tangential travel of column mm 90 (3.5”)
Taper hole of spindle   MT-3
Taper hole of tailstock center   MT-3
Total motor power kW 30
Overall dimension (L x W x H) mm 2170x1495x2100
Net weight kg 6000

Features of WGM360 A CNC Worm Wheel Gear Grinding Machine
1. Continuous generating grinding principle: combining the continuous generating grinding similar to hobbing with CNC synchronous transmission gains the machine high precision and efficiency.
2. Reasonable structure design: integrating the gear grinding machine design and manufacturing technology and the research experience with recent advanced technology, each part has reasonable structure.
3. CNC synchronous transmission: grinding wheel rotary axis, workpiece rotary axis, workpiece radial feed axis, workpiece tangential feed axis and workpiece axial movement axis can simultaneously grind, which can accomplish the action of indexing drive, axial differential, tangential differential and longitudinal modification, etc.
4. Continuous shift grinding: when workpiece tangential feed axis and workpiece rotary axis are simultaneously moving, they keep continuous shift state, which is similar to continuous grinding dressing, so the grinding wheel always keeps new dressed surface during grinding, which improves grinding efficiency.
5. Profile and longitudinal modification: we can make special diamond rollers for dressing profile, longitudinal modification is realized by CNC controlled simultaneous workpiece radial feed axis and workpiece axial feed axis moving, thereby, all kinds of longitudinal profile may be obtained.
6. Easy operation: all machining parameters can be input into CNC system, selection of manual and automatic grinding cycle is available, wide grinding wheel and tangential shift movement ensure grinding accuracy and uniformity of batch production.
Features of WGM360 A CNC Worm Wheel Gear Grinding Machine
1. Continuous generating grinding principle: combining the continuous generating grinding similar to hobbing with CNC synchronous transmission gains the machine high precision and efficiency.
2. Reasonable structure design: integrating the gear grinding machine design and manufacturing technology and the research experience with recent advanced technology, each part has reasonable structure.
3. CNC synchronous transmission: grinding wheel rotary axis, workpiece rotary axis, workpiece radial feed axis, workpiece tangential feed axis and workpiece axial movement axis can simultaneously grind, which can accomplish the action of indexing drive, axial differential, tangential differential and longitudinal modification, etc.
4. Continuous shift grinding: when workpiece tangential feed axis and workpiece rotary axis are simultaneously moving, they keep continuous shift state, which is similar to continuous grinding dressing, so the grinding wheel always keeps new dressed surface during grinding, which improves grinding efficiency.
5. Profile and longitudinal modification: we can make special diamond rollers for dressing profile, longitudinal modification is realized by CNC controlled simultaneous workpiece radial feed axis and workpiece axial feed axis moving, thereby, all kinds of longitudinal profile may be obtained.
6. Easy operation: all machining parameters can be input into CNC system, selection of manual and automatic grinding cycle is available, wide grinding wheel and tangential shift movement ensure grinding accuracy and uniformity of batch production.
Technical parameters of WGM360 A CNC Worm Wheel Gear Grinding Machine
Model Unit WGM360
Type   A
CNC system   NUM1050
Workpiece outer diameter mm Φ20-360 (0.79-14”)
Workpiece module mm 1-6
No. of teeth   12-260
Max teeth width (spur gear) mm 190 (7.5”)
Max helix angle degree ±45
Workpiece pressure angle degree 15-23
Max workpiece weight (including fixture) kg 60
Distance between centers mm 180-420 (7.1-17”)
Max travel of work rest mm 200 (7.9”)
Working speed of work rest mm/min 8-200
Swivel angle of work rest degree ±45
Distance between grinding wheel axis and work rest center mm 180-440 (7.1-17”)
Grinding wheel speed: grinding / dressing rpm 1000-1650 / 38.4
Grinding wheel size mm Φ400x203x100 (16x8x3.9”)
Max travel of wheel head mm 260 (10”)
Rapid travel of wheel head mm 40 (1.6”)
Max travel of dresser in wheel spindle direction: axial / radial mm 165 / 85 (6.5 / 3.4”)
Total tangential travel of column mm 90 (3.5”)
Taper hole of spindle   MT-3
Taper hole of tailstock center   MT-3
Total motor power kW 30
Overall dimension (L x W x H) mm 2170x1495x2100
Net weight kg 6000

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.