Automatic Spindle Lubrication Through Head-Dispenser Coupling
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Solution Overview
Problem
Manual spindle lubrication in machine tools results in frequent downtime, high maintenance costs, and human error, while existing automatic systems complicate the machine and increase construction costs.
Innovation Solution
An automatic lubrication system with a lubricant dispenser and control unit that moves the spindle and dispenser to couple and dispense lubricant through conduits, using pressure, electric, or pneumatic commands, minimizing machine disruption and cost.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If manual lubrication is used, then the machine structure remains simple, but downtime increases and maintenance costs rise
Solution Approach 1:
The lubrication system enables the machine to service itself automatically through a control unit that activates the lubricant dispenser, eliminating the need for manual intervention and reducing downtime while maintaining operational simplicity
Solution Approach 2:
The lubricant is dispensed in advance during operational cycles rather than waiting for manual intervention, ensuring spindles are lubricated before wear occurs, thereby reducing unplanned downtime and maintenance frequency
2Device complexity
If manual lubrication is used, then the machine structure remains simple, but maintenance costs increase
Solution Approach 1:
The control unit monitors lubrication cycles and activates the dispenser based on operational parameters, ensuring precise lubricant delivery that prevents both under-lubrication (increased wear) and over-lubrication (waste), thereby optimizing maintenance costs
Solution Approach 2:
The automated system ensures consistent, timely lubrication without human error, preventing premature component failure and reducing long-term maintenance expenses while adding minimal complexity
3Measurement precision
If automatic lubrication system is added, then lubrication precision improves, but device complexity increases
Solution Approach 1:
A control unit acts as an intermediary between the machine's operational state and the lubricant dispenser, coordinating their movements and activating lubrication at precise moments without requiring complex mechanical linkages
Solution Approach 2:
The control unit serves multiple functions: coordinating the relative movement between dispenser and spindle, timing the lubrication cycle, and activating the dispenser, thereby achieving precision without proportionally increasing complexity
4Measurement precision
If automatic lubrication system is added, then lubrication precision improves, but construction costs increase
Solution Approach 1:
The control unit coordinates lubrication timing and dispenser positioning using software logic rather than complex mechanical mechanisms, reducing manufacturing costs while maintaining precision
Solution Approach 2:
The system replaces complex mechanical timing and positioning mechanisms with electronically controlled coordination, reducing construction costs while achieving precise lubrication delivery
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
Automates spindle lubrication, reducing downtime and maintenance costs, ensuring safety, and maintaining compact machine size without complex modifications.
Implementation Method 1
a lubricant dispenser (5), able to be coupled to said at least one opening, said lubricant dispenser being configured for dispensing, when activated, said lubricant
Data Source
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AI summary
The present invention relates to machine tool (1), in particular for machining elements to be machined (P) such as wooden panels and similar, comprising: a working surface (2), for receiving an element to be machined (P); at least one operative head (3), movable relative to said element to be machined (P), and comprising at least one spindle (30), able to be coupled, in use, to a respective machining member (4), for machining said element to be machined (P), and at least one lubricating conduit (31) in fluid connection with at least one opening (32), for introducing a lubricant, and with said at least one spindle (30); a lubricant dispenser (5), able to be coupled to said at least one opening (32), said lubricant dispenser (5) being configured for dispensing, when activated, said lubricant; and a control unit, for controlling the movement of said operative head (3) and/or of said lubricant dispenser (5), wherein said control unit is configured to command at least one mutual movement between said operative head (3) and said lubricant dispenser (5), to couple said lubricant dispenser (5) to said at least one opening (32), and to activate said lubricant dispenser (5) such that said lubricant dispenser (5) supplies said lubricant into said at least one lubricating conduit (31) through said at least one opening (32), to lubricate said at least one spindle (30). The present invention also relates to a lubrication method, which can be carried out by means of such machine tool (1).