Motor Spindle With Integrated Angle-Head Drive for Faster Setup
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Solution Overview
Problem
Current motor spindles in machine tools require additional resources and setup time due to the need for separate energy supplies and complex coupling systems for rotatable angle heads, limiting flexibility and increasing operational costs.
Innovation Solution
A motor spindle with a second electromagnetic drive system integrated into the stator unit, allowing the rotor to be adjusted independently and driven separately, enabling simultaneous operation of tools and additional functionalities, and reducing the need for separate energy supplies and complex setups.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If rotatable angle heads with separate drive systems are used for multiaxial machining, then machining versatility is improved, but device complexity and energy supply requirements increase
Solution Approach 1:
The patent combines the drive system for the angle head directly into the motor spindle structure. The electromagnetic drive system is integrated within the spindle housing, eliminating the need for separate drive mechanisms and energy supplies for the angle head, thus reducing overall device complexity while maintaining machining versatility
Solution Approach 2:
The motor spindle is designed to perform multiple functions: it can drive both standard tools and rotatable angle heads for multiaxial machining. The integrated electromagnetic drive system provides universal capability to accommodate different tooling configurations without requiring separate specialized drive systems
2Adaptability or versatility
If rotatable angle heads with separate drive systems are used, then machining versatility is improved, but setup time and operational costs increase
Solution Approach 1:
By integrating the drive system into the motor spindle, the patent eliminates the need for separate energy supply connections and complex coupling systems when changing between standard tools and angle heads. This reduces setup time as the integrated system remains continuously connected and requires no additional installation or configuration
3Adaptability or versatility
If elaborate coupling systems are used for rotatable angle heads, then tool alignment capability is improved, but device complexity increases
Solution Approach 1:
The patent replaces elaborate mechanical coupling systems with an integrated electromagnetic drive system. The electromagnetic actuation provides precise tool alignment and angle head rotation without requiring complex mechanical linkages, gears, or coupling mechanisms, thus reducing device complexity while maintaining alignment capability
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 solution provides a space-saving, flexible motor spindle that can handle various machining tasks without additional energy supplies, reducing setup times and operational costs, and allowing for machining in smaller cavities with standardized tools.
Implementation Method 1
a first electromagnetic drive system (12), which is arranged substantially between the two bearings (10, 11)
Implementation Method 2
the stator unit (2) comprises at least one motor (6) having a second electromagnetic drive system (20)
Data Source
AI summary
A motor spindle having a first electromagnetic drive system including a stator unit and a rotor unit which can rotate about an axis of rotation and has at least one rotor shaft and a tool receiver for receiving a machining tool. At least one bearing unit provides rotationally mounting of the rotor unit in the stator unit. The tool receiver is arranged in an end region of the rotor unit. The stator unit has a stator housing with an end section arranged in the end region of the rotor unit. The stator unit comprises at least one motor, having a second electromagnetic drive system, with a stator and a rotational rotor, wherein the rotor has at least one rotational housing element of the end section of the stator unit.