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Gear hobbing machine Tos Fo 10

Photo of gear hobbing machine Tos Fo 10  : gear hobbing machine Tos Fo 10

Tos Fo 10 video is currently available. Tos Fo 10 photo (Photo is for illustration purposes only).

Highly respected top-quality Czech gear hobber with maximum workpiece diameter of 1250 mm.

 

Vertical gear hobbing machine Tos Fo 10 technical details.

Maximum workpiece diameter: 1250 mm.
Maximum gear diameter without tailstock: 1200 mm.
Width of work-piece: 400 mm.
Table diameter: 850 mm.
Milling diameter: 170 mm.
Milling speed: 20-125 U/min.
Maximum module: 10.
Main motor output: 7.5 kW.
Hole in table: 100 mm.

Machine overal dimensions:
Length, height, width: 3120 x 1870 x 2525 mm.
Weight: 8700 kg.

 

 

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More about gear hobbing machines.

Hobbing is a machining process for making gears, splines, and sprockets on a hobbing machine, which is a special type of milling machine. The teeth or splines are progressively cut into the workpiece by a series of cuts made by a cutting tool called a hob. Compared to other gear forming processes it is relatively inexpensive but still quite accurate, thus it is used for a broad range of parts and quantities.

It is the most widely used gear cutting process for creating spur and helical gears and more gears are cut by hobbing than any other process since it is relatively quick and inexpensive.

Equipment
Modern hobbing machines, also known as hobbers, are fully automated machines that come in many sizes, because they need to be able to produce anything from tiny instrument gears up to 10 ft (3.0 m) diameter marine gears. Each gear hobbing machine typically consists of a chuck and tailstock, to hold the workpiece or a spindle, a spindle on which the hob is mounted, and a drive motor.

Hobbing machines are characterised by the largest module or pitch diameter it can generate. For example, a 10 in (250 mm) capacity machine can generate gears with a 10 in pitch diameter and usually a Maximumimum of a 10 in face width. Most hobbing machines are vertical hobbers, which means the blank is mounted vertically. Horizontal hobbing machines are usually used for cutting longer workpieces; i.e. cutting splines on the end of a shaft.

Source: Wikipedia

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