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What are the common internal grinding machines? Jan 27, 2018

There are many kinds of internal grinding machines,

General internal grinding machine:

Installed in the head of the chuck on the spindle clamping work-piece to round week movement, workbench drives the grinding wheel rack along the lathe bed guide rail (see machine tool guideway) as a vertical reciprocating motion, head along the sliding saddle on transverse feed movement (see machine);The head frame can also be rotated around the vertical shaft to a certain Angle to grind the taper hole.

Planetary grinding machine:

Workpiece stationary at work, grinding wheel except itself axis high speed rotate around the axis of rotation of the hole processed, also to realize circular week, it is suitable for grinding large workpiece or unfavorable rotate artifacts such as internal combustion engine cylinder block, etc.

Centerless internal grinding machine:

When working, the outer circle of the workpiece is supported on the roller or supporting block. The workpiece ends are sucked up by the magnetic chuck and the rotation is driven, but it is slightly adjustable to ensure the concentricity of the inner and outer circle.The grinding wheel speed of the round grinding machine in small size is up to a maximum of 100,000 revolutions per minute.The inner circular grinding machine used in mass production requires high degree of automation. In grinding process, the size can be automatically controlled by the plug gauge or micrometer.

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