Let us have a look at a few of the most popular:. Single Line Progressive Systems: This system uses the lubrication flow in order to empower the specific metering valve or assemblies of metering valves. On turning on, the system begins pumping the lube via the supply line that interconnects the primary metering valve. The lubricant is stored at various points and incessantly the process of lubrication continues via the secondary progressive metering valves followed then promptly to each point through the feed lines.
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However, the harsh and steamy environment leads to an influx of water into the bearing between grease lube cycles and eventually destroys it. Air-oil not only lubricates but also pressurizes the bearing cavity, preventing water and dirt ingress from happening. Installation of air-oil systems at several U. All mills have reported an improvement in their number of slab heats. One steel mill in particular has experienced an increase from 1, heats with grease to more than 9, using air-oil over the past eight-plus years.
A typical air-oil system consists of the following: Oil-pump supply package using gear, vane or pneumatic drum pump arrangement with appropriate valves and diagnostic feedbacks like oil level, temperature, etc. Air-oil dual-line distributors Control package to operate and monitor system Clean and dry plant air supply with pressure monitoring Reduced bearing costs are just one of the advantages of the air-oil system.
Other positives include: Large reduction in lubricant consumption and cost Longer segment life than with grease Greater and improved housekeeping as segments are cleaner Reduced environmental impact, as excess oil can be removed and disposed of easier from coolant tanks than grease Bearings run significantly cooler Segment clean-up time is greatly reduced Bearing inspection time is quicker Cost savings in drive motor energy usage Typically, a system includes a pump to automatically feed a number of dual-line air-oil distributors mounted on each segment feeding the roll bearings.
An oil-pressure switch provides monitoring of both oil lines, while an air-pressure switch monitors the air-supply pressure. System operation and diagnostic feedback are handled by a dedicated controller or in the programmable logic controller PLC brains servicing the caster pulpit.
He is based out of Sterling Heights, Mich. For more information, visit the DropsA website at www. About the Author.
VIP5: Lubrication System Controller - Dropsa
For further information, refer to Section 4 of this manual. The pump is then switched off until the next lubrication cycle. You should refer to theadvanced setting in section 8. After this, the pump is switched offuntil next lubrication cycle. The VIP5 Controller will switch on the pimp and wait for pressure to be achieved. Thepup is the switched off until the next lubrication cycle.
Types of Lubrication System
Condividi per email Posted 23 September DropsA developed a special technology for minimal quantity lubrication and near dry machining that ensures an efficient lubrication without waste. The technology replace traditional coolant and pure oil flood systems in a machining environment with an accurately controlled compressed air stream that carries minimal quantities of lubricating oil in an aerosol format, directly to the cutting surface. This ensures a proper lubrication of the cutting surface, allowing high performance machining with a reduction of working time and with no lubrication waste. A positive impact is also obtained in terms of a more clean working environment, avoiding the disposal of coolant oil, with an overall optimization of the whole production process.