Compact Centerless Grinding Machine with Merged Spindle Axes
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Solution Overview
Problem
Conventional centerless grinding machines require significant space and complexity, limiting their installation in compact areas and making them less efficient for machining non-cylindrical workpieces and increasing operational costs.
Innovation Solution
A compact centerless grinding machine design utilizing only three movement axes for essential components, where the grinding spindle and control spindle are coupled and move relative to each other, eliminating the need for separate B-axes and incorporating a dressing unit to adapt the grinding wheel and regulating wheel to the workpiece shape, allowing for efficient machining of non-cylindrical workpieces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional centerless grinding machines are used, then machining functionality is comprehensive, but installation space requirement is large
Solution Approach 1:
The patent merges the grinding spindle and control spindle into a common base carriage that moves together along a single longitudinal guide, eliminating the need for separate longitudinal guides and reducing the machine's footprint while maintaining full machining functionality
Solution Approach 2:
The base carriage serves multiple functions by supporting both the grinding spindle and control spindle, and by providing common movement along the longitudinal axis, thereby reducing the number of separate components and installation space required
2Manufacturing precision
If separate B-axes are provided for grinding spindle and control spindle, then positioning precision is improved, but device complexity increases
Solution Approach 1:
The patent combines the longitudinal movement functions into a single base carriage that moves along one longitudinal guide, reducing the number of independent movement axes from four (two X-axes and two B-axes) to three (one Z-axis and two X-axes), thereby simplifying the device while maintaining positioning precision through the retained selective pivoting capability
3Stability of the object's composition
If conventional designs are used, then structural stability is maintained, but ease of manufacture is reduced
Solution Approach 1:
The patent simplifies manufacturing by merging the longitudinal guide structures into a single guide that serves both spindles, reducing the number of precision-guided components that need to be manufactured and assembled, while the common base carriage provides structural stability through its integrated design
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This design achieves a compact, space-saving setup with extensive functionality, enabling efficient machining of various workpiece shapes without the need for additional pivoting drives, reducing operational complexity and costs while maintaining high accuracy and productivity.
Implementation Method 1
The grinding wheel usually has an abrasive material or is coated with it
Implementation Method 2
Since during the grinding process the workpiece is in engagement with both the grinding wheel and the regulating wheel
Data Source
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AI summary
The present disclosure relates to a grinding machine, comprising a machine bed, a grinding spindle, that is arranged to be coupled with a spindle drive and for receiving a grinding wheel, a regulator spindle that is arranged to be coupled with a spindle drive and for receiving a regulator wheel, a workpiece mount for receiving a to-be-machined workpiece between the grinding spindle and the regulator spindle, wherein the grinding spindle and the regulator spindle are coupled with the machine bed and arranged in a fashion movable to one another, wherein the grinding spindle and the regulator spindle form a spindle set, wherein a longitudinal guide is formed at the machine bed, wherein a base carriage is received at the longitudinal guide, wherein the machine bed and the base carriage define a first movement axis, wherein the grinding spindle is coupled with the base carriage and assigned to a second movement axis, wherein the regulator spindle is coupled with the base carriage and assigned to a third movement axis, and wherein the grinding spindle and the regulator spindle are arranged to be moved with respect to one another, and to approach the workpiece mount in an in-feed movement.