Case Study - Your most burning questions answered about a wet or dry plasma cutting table

Case Study - Your most burning questions answered about a wet or dry plasma cutting table

Your most burning questions answered about a wet or dry plasma cutting table when drilling & extra machining capacity is required

Clients about to invest in a plasma cutting machine may perceive the cut quality is the same on a wet and dry bed. Many owners have sensed the same. For a decade, fabricators and steel service centres have been investing in plasma cutting machine tools with machining capacity that have used wet bed technology.

Dry bed technology is now available for use without high pressure coolant or flood coolant. Watch the following video to understand the benefits of the Minimum Quantity Lubricant (MQL) delivery system for the drilling/plasma cutting machines supplied by Specialist Machinery Sales. The MQL is a state of the art method of providing atomised lubricant combined with high pressure air through the spindle and the tool departing at the cutting tip. The lubricant is supplied at less than 50 millilitres/hour while the air at 100 psi and flowing up to 1,500 litres/minute blasts swarf out of the hole.

The advantage of specifying a plasma cutting machine with MQL instead of high pressure coolant is that the plate does not get covered in cutting fluid and there is no need for a travelling drip tray under the plate. The disadvantage of a travelling drip tray and dros bin on a dry bed cutting table is only the one gantry can be fitted to the rails. This is to avoid the independent travelling dross bins and chip swepping function colliding. Clients of SMS can now improve their flexibility by having two gantry plasma cutting machines on the one set of rails when a second cutting system is required in the future that others machine tool builders cannot provide. The savings of having two gantries on the one set of rails positively improves material handling, schedule, flexibility, investment cost, footprint utilisation and price per part.

Plasma/drilling machines with high pressure coolant can be programmed to have the coolant stopped before the drill completes the drilling cycle. This style of machine requires an expensive coolant recovery system to vacuum the high pressure coolant from the top of the plate. The high pressure or flood coolant will constantly wet the plate with the consequence, and impact to cost and schedule articulated in the following case studies:

  1. Clear and unbiased facts about a CNC controller for a plasma cutting machine with drilling and extra machining capacity.
  2. A guide to specifying the correct coolant delivery systems for a plasma cutting and drilling machine with extra machining capacity.
  3. Discover the secrets as to why the market is trending away from automatic percussion marking and moving back to paint marking.
  4. How to dominate your niche with the best quality, schedule and cost when deploying this coolant delivery system for drilling.

The other trend with steel services centres and fabricators is having a wider plasma cutting table so 6m or 9m long plates can be loaded perpendicular to the X axis. This allows the company to keep various popular size plates on the cutting table to reduce the material handling time and always have full size plates to cut from to improve the cost and schedule. Clients of SMS in 2016 will be able to have dry bed cutting tables wider than 3.4m. Other advantages will be that a fabricator can process a Q&T plate sheet that is 4.5m wide for mining vibrating screens. This prevents the fabricator welding two plates together so a superior product is achieved offering an improved schedule and cost which can be passed on to the client.

Inviting Specialist Machinery Sales to participate in the design and specification of a cutting table will reduce material handling times and improve arc on efficiency. A correctly specified cutting table provides a competitive advantage to your bid for supplying a price and delivery sensitive product to the market.

How can Specialist Machinery Sales improve your process?

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