Vehicle Hub Machining Layout With Rotary Tables and Parallel Stations
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Solution Overview
Problem
Conventional apparatuses for machining vehicle hubs are inefficient due to complex structure, long downtime for tool replacement, and reduced productivity caused by sequential machining operations.
Innovation Solution
The apparatus integrates two series of machining stations arranged around rotating tables, allowing simultaneous operation and reducing the need for extensive transfer devices, with a focus on compact design and streamlined tool replacement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If machining operations are performed by different independent machines in sequence, then each machine can be specialized for specific operations, but the structural complexity and device complexity increase significantly
Solution Approach 1:
The patent combines multiple independent machining machines into a single integrated machining center where turning, drilling, chamfering, and tapping operations are performed by different tools on the same workpiece without removal. This merging eliminates the need for multiple separate machines and their associated transfer devices, thereby reducing structural complexity while maintaining operational specialization.
Solution Approach 2:
The machining center is designed with universal capability to perform multiple machining operations (turning, drilling, chamfering, tapping) using different tools mounted on the same machine. This multi-functionality allows a single machine to replace multiple specialized machines, reducing device complexity while preserving the adaptability needed for various machining tasks.
2Productivity
If multiple transfer devices are used to move workpieces between machining stations, then each working position can be served, but the constructional complexity increases
Solution Approach 1:
The patent eliminates multiple separate transfer devices by integrating all machining operations into a single machine. Workpieces are loaded once and remain on the machine throughout all machining operations, removing the need for complex transfer mechanisms between multiple stations and significantly simplifying the construction.
3Manufacturing precision
If tool replacement is performed frequently to maintain machining quality, then manufacturing precision can be maintained, but the downtime and loss of time increase
Solution Approach 1:
The machining center is equipped with a tool magazine that pre-stores multiple turning tools. When one tool needs replacement, the system can automatically or manually switch to a pre-positioned tool from the magazine without requiring extensive tool replacement procedures, thereby minimizing downtime while maintaining manufacturing precision.
4Manufacturing precision
If sequential machining operations are performed on opposite sides of the hub, then each side can be machined thoroughly, but the productivity decreases due to longer execution time
Solution Approach 1:
The patent enables continuous machining operations by keeping the workpiece on the same machine throughout the entire machining process. Multiple operations on both sides of the hub are performed in sequence without removing the workpiece, eliminating idle transfer time and maintaining continuous productive action while ensuring thorough machining of all surfaces.
Data Source
AI summary
Apparatus for machining hubs for vehicles, comprising a first machining group (11) having a first number (n1) of first stations, an inbound transfer station (11a), an outbound transfer station (11b), a loading station (117) and an unloading station (118); a second machining group (12) having a second number (n2) of second stations, an inbound transfer station (12a) and an outbound transfer station (12b); a first rotating table (13) having a number of first workpiece-holder sectors (131) equal to the first number (n1); where the first sectors (131) face the first stations; a second rotating table (14) having a number of second sectors (141) equal to said second number (n2); the second sectors (141) face the second stations; a first transfer group (15) for transferring workpieces between the first machining group (11) and the second machining group (12).