Showing 1 - 20 out of 70
Year: 1982
Straight bevel wheel milling machine zftk 500/2 Max diameter 670 Max module 12Year:
Type | Horizontal |
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Module + | 6.5 |
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Year: 1981
Specification: Max diameter of gear without tailstock 2100 mm Max diameter of gear with tailstock 1450 mm Max face of gear 1060mm Max module with hobbing head 22 Max/ Min center distance 1240/150 mm Min number of teeth 10 Max pressure angel 45 deg Table dia / number of slots 1800 mm/12 Bore in table / length 600/800 mm Max …Year: 1968
Max wheel Ø | 2000 mm |
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Module - | 16 |
Max gear width | 660 mm |
Module + | 25 |
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Max spindle speed | 125 rpm |
Motor power | 12 kW |
Year:
Max wheel Ø | 2286 mm |
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Max spindle speed | 100 rpm |
Module + | 34 |
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Year: 1973
Max wheel Ø | 700 mm |
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Module - | 8 |
Max gear width | 500 mm |
Module + | 10 |
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Max spindle speed | 300 rpm |
Motor power | 16 kW |
Year: 1980
Type | Horizontal |
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Module + | 2 |
Max spindle speed | 1680 rpm |
Max wheel Ø | 65 mm |
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Module - | |
Max gear width | 160 mm |
Year: 1979
Type | Vertical |
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Module + | 4 |
Max wheel Ø | 130 mm |
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Max spindle speed | 600 rpm |
Year: 1980
Type | Horizontal |
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Module + | 2.5 |
Max wheel Ø | 100 mm |
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Max spindle speed | 2000 rpm |
Year:
Type | Vertical |
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Module + | 6 |
Max spindle speed | rpm |
Max wheel Ø | 1600 mm |
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Module - | 10 |
Max gear width | 280 mm |
Year: 1978
Type | Horizontal |
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Module + | 2 |
Max gear width | 140 mm |
Max wheel Ø | 52 mm |
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Max spindle speed | 1700 rpm |
Year:
This Agilent 83620B Signal Generator is a used, fully functional Swept Signal Generator, with a frequency range of 10MHz to 20GHz. We use this and similar Signal Generators to allow accurate testing of any device that requires an accurate frequency input. It is impossible in this short space to list all of the features of this Agilent 83620B Signal Generator …Manual gear hobbing machines are essential tools in the metalworking industry for producing high-precision gears through a controlled mechanical process. While CNC machines dominate the market for high-volume and complex gear production, manual gear hobbing machines are still widely used for small to medium-scale production, custom jobs, and educational purposes. These machines offer greater control and flexibility to operators who can manually adjust settings to achieve the desired gear specifications.
Manual gear hobbing machines vary based on their design and operational capabilities. The main types include:
Horizontal Gear Hobbing Machines: These machines have a horizontal spindle orientation, making them suitable for producing a wide range of gear types, including spur, helical, and worm gears. They are versatile and can handle different gear sizes.
Vertical Gear Hobbing Machines: With a vertical spindle orientation, these machines are ideal for handling larger and heavier workpieces that are difficult to mount horizontally. Vertical machines are typically used for large-diameter gears and gear rings.
Universal Gear Hobbing Machines: These versatile machines can switch between horizontal and vertical orientations, providing flexibility for various gear production needs.
When selecting a manual gear hobbing machine, several key features and specifications should be considered:
Workpiece Capacity: The maximum diameter and length of the workpiece the machine can handle. This is crucial for ensuring the machine can accommodate the intended gear sizes.
Hob Speed and Feed Rates: Adjustable hob speeds and feed rates allow for optimal cutting conditions for different materials and gear types.
Table Size and Load Capacity: The size of the worktable and its load capacity affect the maximum size and weight of the workpiece that can be processed.
Adjustability and Control: The range of manual adjustments available for the hob position, angle, and depth, which are essential for producing gears with precise specifications.
Construction and Rigidity: The machine's build quality and structural rigidity, which affect the precision and stability during the hobbing process.
Manual gear hobbing machines offer several benefits, especially for specific applications and production environments:
Cost-Effective: Generally less expensive than CNC machines, making them suitable for small businesses, workshops, and educational institutions.
Flexibility: Allows operators to manually adjust and control the gear cutting process, making them ideal for custom gear production and prototyping.
Simplicity: Easier to operate and maintain compared to complex CNC machines, requiring less specialized training for operators.
Versatility: Capable of producing a wide range of gear types and sizes with the appropriate setup and adjustments.
Hands-On Control: Provides operators with direct control over the gear cutting process, which can be advantageous for fine-tuning and achieving high precision in specific applications.
To select the right manual gear hobbing machine for your needs, consider the following factors:
Production Volume: Determine the volume of gears to be produced to choose a machine with suitable capacity and efficiency.
Gear Types and Sizes: Ensure the machine can handle the specific types and sizes of gears you need to produce.
Precision Requirements: Match the machine’s precision capabilities with your quality standards.
Budget: Balance the initial investment with long-term operational costs, including maintenance and consumables.
Service and Support: Consider the availability of technical support and maintenance services for the machine.
Training: Assess the need for operator training to effectively use the machine’s features and capabilities.
Several reputable brands manufacture manual gear hobbing machines known for their reliability and performance. Here are a few notable ones:
Mitsubishi Heavy Industries (MHI): MHI offers robust and reliable manual gear hobbing machines, suitable for various industrial applications. Prices for MHI manual machines typically range from $50,000 to $150,000, depending on the model and specifications.
Pfauter (now part of Gleason): Pfauter is known for high-quality gear hobbing machines. Their manual models are priced between $40,000 and $120,000.
Lorenz: Specializes in gear cutting machinery, offering manual gear hobbing machines that are well-regarded for their precision and durability. Pricing generally falls between $30,000 and $100,000.
TOS: A brand known for its range of metalworking machinery, including reliable and cost-effective manual gear hobbing machines. Prices typically range from $20,000 to $90,000.
Liebherr: Although more famous for their CNC machines, Liebherr also produces high-quality manual gear hobbing machines. Prices generally range from $40,000 to $130,000.
Manual gear hobbing machines remain an essential tool in the metalworking industry for producing high-precision gears. With different types such as horizontal, vertical, and universal machines, selecting the right model depends on specific production needs and gear types. Key factors to consider include workpiece capacity, hob speed and feed rates, table size, adjustability, and construction quality. Leading brands like Mitsubishi Heavy Industries, Pfauter, Lorenz, TOS, and Liebherr offer a range of high-quality manual gear hobbing machines to suit various applications and budgets. By carefully evaluating production volume, gear types, precision requirements, and budget, businesses can ensure they invest in the right manual gear hobbing machine to enhance their manufacturing capabilities and ensure consistent, high-quality gear production.