Grinding machine device with pivotable mounting of a grinding spindle unit and method for pivoting a grinding spindle unit on a grinding machine

A grinding machine, pivoting shaft technology, applied in the field of grinding machine devices, can solve the problems of different, affecting grinding results, fluctuations in rotation speed, etc.

Active Publication Date: 2013-12-11
ERWIN JUNKER MASCHNINENFAB
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For unequal loads, fluctuations in rotational speed are also unavoidable, which can likewise adversely affect the grinding results
An additional disadvantage may be that the optimal rotational speed for the effect of the shape change of the grinding wheel is often different from the rotational speed required for optimal grinding results

Method used

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  • Grinding machine device with pivotable mounting of a grinding spindle unit and method for pivoting a grinding spindle unit on a grinding machine
  • Grinding machine device with pivotable mounting of a grinding spindle unit and method for pivoting a grinding spindle unit on a grinding machine
  • Grinding machine device with pivotable mounting of a grinding spindle unit and method for pivoting a grinding spindle unit on a grinding machine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0039] exist figure 1 In , the crankshaft 1 of a 6-cylinder internal combustion engine is shown as a workpiece, which is clamped for grinding between a workpiece headstock 2 and a tailstock 3 . Both the workpiece headstock 2 and the tailstock 3 have a chuck 4 with complementary chuck jaws and tips; the crankshaft 1 is thus driven in rotation about its longitudinal axis 5 extending through the main bearing 6 . The crankshaft 1 has seven main bearings 6 and six pin bearings 7 ; the two main bearings 6 are supported here via fastening brackets 8 . The main and pin bearings 6 , 7 are interconnected by crank arms 9 . The grinding spindle unit 10 extends along the crankshaft 1, only at figure 1 The end region of the grinding spindle unit 10 positioned on one side of the grinding wheel 11 is shown in . Reference numeral 12 designates the axis of rotation of the grinding wheel 11 , which is produced by the drive shaft to which the grinding wheel 11 is fixed.

[0040] The normal po...

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Abstract

The housing (28) of a grinding spindle unit is pivotably mounted by way of a pivot axle (26) on the receiving part (21) of a grinding machine, e.g. on a grinding headstock. The grinding spindle unit bears a grinding wheel (31) which is driven in rotation. The actuation of an adjusting unit (33) extends a pressure pin (34), which pivots the housing (28) of the grinding spindle unit about the pivot axle (26) and thus slants the grinding wheel (31). The pivot axle (26) is in this case formed as a film hinge through a zone of targeted elastic material deformation. A tensile spring device (38) brings about constant contact between the pressure pin (34) and the receiving part (21). The arrow of rotation (36) denotes the pivoting direction and (37) denotes the angle by which the grinding spindle unit slants with respect to the receiving part (21). The axis of the rotating workpiece (not shown) is denoted by (22).

Description

technical field [0001] The invention relates to a grinding machine arrangement having a grinding spindle unit with a motor-driven drive shaft supported therein and a grinding wheel fastened to one end thereof, the grinding spindle unit being pivotably supported On the receptacle of the grinding machine, wherein different inclinations of the drive shaft relative to the reference line are set by means of a pivotable support, according to the preamble of claim 1 . [0002] The invention also relates to a method for pivoting a grinding spindle unit connected via at least one pivot shaft to a housing of a grinding machine and having a motor-driven drive shaft and an additional The grinding wheel at one end, whereby the grinding spindle unit is pivoted, sets a different inclination of the drive shaft relative to the reference line, according to the preamble of claim 15 . Background technique [0003] According to the prior art, the pivotable mounting of a grinding spindle unit of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23Q1/34B23Q1/36B24B5/42B24B19/12B24B41/04
CPCB23Q1/34B23Q1/36B23Q2210/002B24B5/42B24B41/04
Inventor 埃尔温·容克尔
Owner ERWIN JUNKER MASCHNINENFAB
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