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Internal and Face Grinding Machines

For grinding the internal surfaces of cylindrical workpieces 6 Machines
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KAPP GIS 42 Internal and Face Grinding Machine Internal and Face Grinding Machines
Tip
Tip
Dimensions (l x w x h) approx. 4,500 x 3,000 x 3,000 mm
Year of manufacture 2006
Weight approx. 14,000 kg
Machine available from immediately
Delivery terms FCA Tamm, free on truck
Tamm Germany, 71732 Tamm
16/12/2020 10:02
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13,000 €
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GLAUCHAU SI 3 CNC CNC Internal Grinding Machine
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GLAUCHAU SI 3 CNC CNC Internal Grinding Machine Internal and Face Grinding Machines
Tip
Tip
Dimensions (l x w x h) approx. 3,000 x 2,000 x 1,900 mm
Weight approx. 4,300 kg
Machine available from immediately
Delivery terms FCA Wülfrath, loaded on truck
Wülfrath Germany, 42489 Wülfrath
08/12/2020 09:00
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6,500 €
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VOUMARD 203 Internal Cylindrical Grinding Machine Internal and Face Grinding Machines
Tip
Tip
Dimensions (l x w x h) approx. 2,200 x 1,700 x 1,800 mm
Year of manufacture 1975
Weight approx. 1,500 kg
Machine available from immediatly
Delivery terms FCA Brügg, loaded on truck
Brügg Switzerland, 2555 Brügg
10/12/2020 13:06
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600 €
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MORARA INTERMATIC 700 Internal and Face Grinding Machine Internal and Face Grinding Machines
Tip
Tip
Dimensions (l x w x h) approx. 2,600 x 1,750 x 2,150 mm
Weight approx. 4,500 kg
Machine available from immediately
Delivery terms FCA Alto Reno Terme, loaded on truck
Alto Reno Terme Italy, 40046 Alto Reno Terme
15/12/2020 13:52
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400 €
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OVERBECK 610 I-CNC CNC Internal Grinding Machine Internal and Face Grinding Machines
Dimensions (l x w x h) approx. 4,000 x 3,200 x 2,100 mm
Year of manufacture 1999
Weight approx. 8,000 kg
Machine available from immediately
Delivery terms FCA GOSSELIES, loaded on truck
GOSSELIES Belgium, 6041 GOSSELIES
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GENDRON RIS CNC Internal Grinder Internal and Face Grinding Machines
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Hot lot
Dimensions (l x w x h) approx. 2,000 x 1,500 x 1,700 mm
Year of manufacture 1998
Weight approx. 2,500 kg
Machine available from immediatela
Delivery terms FCA Falisolle, loaded on truck
Falisolle Belgium, 5060 Falisolle
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Definition: Internal and Face Grinding Machines

strong>Internal grinding machines (or: internal cylindrical grinding machines) grant a precise cut in the internal surface of boreholes, rolling bearings, cylinders, etc.. This special form of grinding machine usually has a turning spindle. In both, external and internal cylindrical grinding, two different grinding methods can be distinguished: longitudinal and transverse. Internal grinding machines are widely used in the series production sector. A specific category, known as universal machines, is commonly used because of its capacity to perform internal and external grinding simultaneously. At Surplex you will find used internal grinding machines (whether CNC or conventional ones) from leading manufacturers such as VOUMARD, STUDER, etc.- high quality at fair prices!

Used internal grinding machines - For sale at Surplex


Index

  1. Industrial application of the internal grinding machine
  2. Origins and development of the internal grinder
  3. Applications and examples of work with the internal grinder
  4. Manufacturers & Suppliers of internal grinding machines
Used internal grinder general front view

Industrial application of the internal grinding machine

The internal grinding machine processes the interior surface of cylindrical elements. The common term internal cylindrical grinding machine further delineates the machine's function. External cylindrical grinding machines with an interior grinding appliance are also available, allowing pieces to be worked in a single clamping operation and, for example, external bearings and the correspondent internal shaft seat to be exactly centered to one another. Both conventional and CNC internal grinders are available. Internal grinders typically have a grinding spindle with various pivoting positions.
  • Processing the interior surface of cylindrical workpieces
  • Pivoting grinding spindle
  • Precision within 1/100 mm
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The basic structure of the internal grinder consists of a robust main framework, designed for low vibration, which supports all the other machine components. The spindle shaft with the main spindle propels the workpiece, which is fixed with either magnetic or conventional clamps, or a clamping sleeve. The grinding spindle propels the grinding body and swivels on a skid to adjust the material removal. Most CNC internal grinding machines possess collision control. The internal grinder operates both dry, or with appropriate cooling. Cooling eases the removal of the milling waste, improving the accuracy of the surface. The precision of this machine within hundredths of a millimeter, allowing fittings to be produced without a problem.

Used internal grinder

Origins and development of the internal grinder

In general, the first grinding machines were operated by hand or foot. True internal grinders first appeared in the 1900s, as industrialization necessitated the precise working of case-hardened interior surfaces. Machine technology steadily improved, and with the development of computers, the step to CNC-controlled internal grinders was not far off. These highly productive machines constantly measure the actual and target value of the workpieces. Wear on the tool through natural dressing during the working process, or through a special diamond-headed dresser is constantly automatically monitored in modern machines. The repetitional accuracy in the mass production process is also monitored. In Germany, the first grinding machine appeared around the beginning of the thirties. The beginning of the eighties brought the first CNC-controlled grinding machine, and by the end of the eighties the first grinder with 5-axel control hit the market. Modern machines offer high performance in less space.

Applications and examples of work with the Internal grinder

Specially for the working of case-hardened cylindrical elements such as bearing yokes, guide bushing for extractors in mold and die making, and similar elements. Simultaneous interior and exterior working is also possible with universal machines. This shortens the cycle time and improves the precision of the correspondence between surfaces. The internal grinder enables high-precision work past the point where a lathe hits its limits.

Manufacturers & Suppliers of internal grinding machines

Several companies have specialised in the manufacturing of internal grinders. Some of the most recommended suppliers include WMW, UVA, VOUMARD, KELLENBERGER, ABA, and HAAS.
Used internal grinders can regularly be found on Surplex. Just take a look in our industrial auctions area or check out the industrial machinery marketplace.

Used internal grinder workspace control unit

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