Index Table Motor Specification Reversal
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Solution Overview
Problem
Existing index tables face challenges in changing motor specifications without impairing oil path performance or reducing processing precision, as altering the setting surface perpendicularity affects processing precision and can lead to premature wear and damage of oil baths.
Innovation Solution
The index table design allows for motor specification changes by reversing the motor and worm shaft positions without replacing the worm wheel or worm shaft, using adjustable bearing accommodation members to maintain optimal engagement clearance and prevent interference, enabling seamless switching between right-hand and left-hand specifications without compromising precision or oil bath performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the setting surface is changed from one surface to another to switch between right-hand and left-hand specifications, then the motor position can be changed, but the perpendicularity between the setting surface and the rotating table surface changes, reducing processing precision
Solution Approach 1:
Instead of changing the setting surface to switch specifications, the invention inverts the approach by keeping the setting surface fixed and changing the motor position from one side to the other. The motor is mounted on either the right or left side of the frame, and the worm shaft is correspondingly positioned, allowing specification change without affecting the perpendicularity of the setting surface.
Solution Approach 2:
The invention segments the motor and worm shaft assembly from the setting surface, allowing the motor to be independently positioned on different sides of the frame while the setting surface remains fixed and perpendicular to the rotating table surface. This separation enables specification change without compromising precision.
2Adaptability or versatility
If the worm shaft is provided in the up-down direction or above the rotating shaft, then the motor can be positioned differently, but the oil bath performance deteriorates, causing premature wearing and damage
Solution Approach 1:
Instead of positioning the worm shaft vertically or above the rotating shaft to accommodate different motor positions, the invention inverts the arrangement by positioning the worm shaft horizontally at the same level as the motor output shaft. The worm shaft extends from the motor output shaft in the horizontal direction, ensuring the oil bath remains effective.
3Adaptability or versatility
If the motor is repositioned to change specifications, then adaptability improves, but the worm shaft and worm wheel must be replaced, increasing device complexity and cost
Solution Approach 1:
The worm shaft and worm wheel are designed with universal mounting features that accommodate both right-hand and left-hand specifications. The worm shaft has mounting holes at both ends, and the worm wheel has corresponding mounting features, allowing the same components to be used for either specification by simply repositioning the motor and reconfiguring the connections.
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
Enables specification changes without reducing processing precision or impairing oil path performance, maintaining optimal engagement between the worm and worm wheel, and preventing premature wear on oil baths, thus ensuring consistent performance across different machine tool configurations.
Implementation Method 1
a motor (8) is disposed at a surface (6) among two surfaces (6, 7) of the frame (2) that are orthogonal to the rotating table surface (4) and the setting surface (5), an output shaft (9) of the motor (8) is connected to an end portion at a side of the surface (6) of the worm shaft (11) through transmitting elements (14, 15), the worm shaft (11) being orthogonal to the surface (6), and the motor (8) drives the rotating table (3) through the transmitting elements (14, 15), a worm (12) of the worm shaft (11), and a worm wheel (13)
Data Source
AI summary
In an index table, a left-hand specification and a right-hand specification of a motor can be changed. As solving means, there is provided an index table 1 in which a rotating table 3 is rotatably supported at a frame 2 by a rotating shaft 10, a setting surface 5 is provided at the frame 2 orthogonally to a rotating table surface 4 of the rotating table 3, a motor 8 is disposed at a surface 6 among two surfaces (6, 7) of the frame 2 that are orthogonal to the rotating table surface 4 and the setting surface 5, an output shaft 9 of the motor 8 is connected to an end portion at a side of the surface 6 of the worm shaft 11 through transmitting elements (14, 15), the worm shaft 11 being orthogonal to the surface 6, and the motor 8 drives the rotating table 3 through the transmitting elements (14, 15), a worm 12 of the worm shaft 11, and a worm wheel 13, the worm wheel 13 being provided at the rotating shaft 10. The motor 8 is mountable to the other surface 7 by being removed from the surface 6 among the two surfaces (6, 7), and the output shaft 9 is connected to an end portion at a side of the other surface 7 of the worm shaft 11 through the transmitting elements (14, 15).