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Hobbing Machines

Hobbing machines for all areas of gear processing 4 Machines
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Dimensions (l x w x h) approx. 4,000 x 2,500 x 2,500 mm
Year of manufacture 1979
Weight approx. 18,000 kg
Machine available from immediately
Delivery terms FCA Kielce, loaded on truck
Kielce Poland, 25-953 Kielce
09/02/2021 10:36
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12,000 €
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STAEHELY SB 505-1 Gear Hobbing Machine Vertical
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Dimensions (l x w x h) approx. 2,200 x 1,500 x 2,000 mm
Year of manufacture 1958
Weight approx. 2,600 kg
Machine available from immediately
Delivery terms FCA Unterschleißheim, loaded on truck
Unterschleißheim Germany, 85716 Unterschleißheim
27/01/2021 11:00
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3,500 €
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- FD 320 Gear Hobbing Machine
- FD 320 Gear Hobbing Machine Hobbing Machines
Dimensions (l x w x h) approx. 2,100 x 1,200 x 2,100 mm
Year of manufacture 1957
Weight approx. 3,300 kg
Machine available from immediately
Delivery terms FCA Kielce, loaded on truck
Kielce Poland, 25-953 Kielce
09/02/2021 10:37
1 Bid
1,000 €
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WAHLI W-96 Gear Hobbing and Milling Machine Hobbing Machines
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Dimensions (l x w x h) approx. 800 x 900 x 1,500 mm
Weight approx. 600 kg
Machine available from immediatly at least 16.07.2020
Delivery terms FCA Biel, loaded on truck
Biel Switzerland, 2504 Biel
28/01/2021 11:06
1 Bid
500 €
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Definition: Hobbing Machines

Hobbing is considered efficient because it is a continuous process, which with a small module allows complete gearing in just one operation. The hobbing machine can be used to produce many gear wheel shapes: external gears, helical gears, spur gears, bevel gears and pinion gears. Even internal gearings can be produced as long as the workpiece diameter, wheel width and max. wheel diameter are compatible. Hobbing machines are available in horizontal or vertical design, conventionally or CNC-controlled. Surplex offers used hobbing machines and other gear processing machinery. Here you can find even some recent models from WMW, MODUL, GLEASON, LIEBHERR, PFAUTER, etc.

Index

  1. Manufacturing of all types of gears
  2. From the idea to implementation
  3. Products for a variety of industrial sectors
  4. Suppliers of hobbing machines
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Manufacturing of all types of gears

Hobbing machines, also known as hobbers, are specialised machines used for the production of gears. Using the machine's various settings, the number of teeth, desired helix angle and profile correction can be set up. The hobber is made out of single or multiple-gear worms to build a worm gear unit with the workpiece. The rotary cutting motion occurs due to the turning of the milling tool. Additionally, the milling tool drives alongside the workpiece to generate the tooth space. The milling axis and turning of the workpiece can produce spur, as well as helical, gears.

  • Manufacture of gears of all types and forms
  • Products for various industries
  • High accuracy
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The versatility of a hobbing machine allows for the production of desired gears and splines with the highest levels of precision. As the process of removing metal can wear out the milling tool, this tool is continually shifted. This is how new teeth are produced. When the work tool is completely worn out, it is newly sharpened using a specialised milling machine.

From the idea to implementation

Hobbing machines were conceived in 1856 by Christian Schiele. During this time, it was not possible to make this process automatic. In 1887, George Bernard Grant, an inventor that was mainly involved in the development of calculators, registered a patent for the first hobbing machine. This breakthrough was a universal hobbing machine by Hermann Pfauter, from Chemnitzer, the founder of PFAUTER.

Hobbing machine in use

Products for a variety of industrial sectors

Outer spur and helical gears, as well as inner gears, can be produced in a variety of sizes using a hobber. They are also used for the manufacturing of bevel gears, crown wheels, palloid and hypoid gearing, Gleason and Klingelnberg toothed gear tooth systems, screw augers and wheels. The products are mainly used in the automobile industry, agricultural technology, machine building industry and plant construction. The desired width of the teeth and helix angle is achievable through the simple adjustment of tools. Chippings are a result of the large amounts of cutting that occurs without a back stroke.

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The process results in high levels of precision. For particularly demanding processes, workpieces are subsequently hardened, and ground or honed during the finishing process.

Suppliers of hobbing machines

Several companies have specialised in the manufacturing of hobbing machines. Some of the most recommended suppliers include LORENZ, PFAUTER and KLINGELNBERG.

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