General FAQs
What Plasma System has the greatest range of processing thickness?
The new KALI 1000HD by Technocrats now provides the greatest range of processing from a high definition plasma system. The KALI 1000HD by Technocrats is capable of cutting 3 mm mild steel at 30Αmps and still able to cut 200 mm mild steel at 900Αmps.
Are Plasma Cutters expensive to run?
Plasma cutting machines are a very affordable way to produce 2D profile steel parts and good quality plasma machines require little maintenance. Most of the cost incurred while cutting comes from consumables such as Gas, Electrodes and Nozzles which are relatively cheap in comparison to the amount of cutting they can produce. Technocrats use the best technology available to maximize consumable life and therefore minimize the cost of cutting for the end user. When purchasing a machine make sure the manufacturer can provide you with a good and timely supply of well-priced consumables.
Do you need a highly skilled Operator to run a Plasma Cutter?
Cut face roughness can be consistent or inconsistent and a result of wrong configuration of the machine, badly serviced machine or worn consumables. Please check:
1. Incorrect Shield gas mixture.
2. Worn or damaged consumables
3. Too high air flow.
4. Machine faults like dirty rails, wheels and/or drive rack/pinion.
5. Carriage wheel adjustment
What are the advantages and disadvantages of a water table?
For most simple 3 axis cutting machines, operators with no experience can be trained in a couple of days to be a successful operator. With the machines and cutting equipment technology increasing all the time the modern machines are equipped with some degree of automation which makes cutting easy. The machines run in auto mode anyway, even when experienced personnel are available, because of their high level of complexity; manual running could result in serious damage to the work or the machine. Manuals can be available in advance, so that the users begin learning about plasma cutting and the machine operation before the machine even arrives at the customer's premises.
Although what we have already said is true, it is also true that experienced operators could take better care of the equipment in cases of emergency, better understand the whens and whys for the machine's need for service, pay better respect to Warning and Hazard procedures, and make better use of your consumables. Experienced personnel are not a must, but they can always help run things better.
Which factors are to be considered before we decide which Plasma Cutter to choose?
Fortunately, this is a problem that can be solved easily. It is pointless to buy a machine that would not cut the specific thickness of the specific materials we use, at least the ones that our main workload consists of. On the other hand, it would be a pity to be unable to undertake a job just because our machine cannot cut the material sheet required. Luckily, if we go into buying a machine that can cut through material much thicker, we do not just make a profit whenever such a job knocks at our door; we gain every time there is a cutting job to be done, because cutting speed and quality are higher for higher power of the cutting machine. Higher cutting speed results in shorter cutting time; high quality and high precision cutting while working on any part affects part quality and makes further secondary operations unnecessary, resulting in shorter manufacturing time; If time is money, we have earned already enough time to pay for the extra charge on the more powerful machine.
Which technology should I choose?
Plasma cutting technology provides better focused arc offering cleaner, smoother, straighter cuts with a narrower kerf, only second to Laser Cutting in quality, but Laser comes at much higher prices. Nevertheless, there is a good margin between the price for a good old-fashioned Plasma cutter and a new High definition one: we should not pay that extra money unless we actually need the extras offered by the latter.
How decisive is the cost of consumables?
Do you belong to the group of consumers who accept the picture of counterfeiters as latter-day Robin Hoods, working for the good of consumers who have fallen foul of profiteering companies? Well, what would you say if you knew that often the price of fake products is only slightly below the cost of the real thing. Even when this is not the case, there are very few consumer benefits cost-wise but the fraudsters are making big profits.
As a rule, third party no-name consumables are cheaper than the genuine ones, but are their prices cost-effective? The answer is no! Always purchase the recommended consumables for your machine. Cheaper consumables will not last as long nor will they provide the same high-quality results. Even if these parts cost one fifth of the price, they will also last for one fifth to one tenth of the cutting time, resulting in being more expensive in the long run, not to mention the inferior quality of the finished product all the way.
Please remember that most manufacturers consider the use of fake consumables a factor important enough to waive all of their Warranties towards the customer.
How important is getting the best service available for the machine we plan to purchase?
The best machines are carefully designed to meet the workload requirements and are built to meet very high quality standards. Machines need to be strong, heavy duty and able to work for a long time and in the most adverse environment. They should be able to handle heavy loads and maintain their cutting accuracy; due to their sturdy construction they should promise a long and productive life, and keep this promise!
However, customers have been spoilt by manufacturers to believe that (especially their own) machines never fail; we should rather stick to the rule that anything made from more than one parts is likely to some time, somehow have some problem. A good PM (Preventive Maintenance) routine is always the best way out.
What should I do to protect my investment?
Since cutting machines usually are in the first stages of your production line, a temporary failure of the machine puts a temporary stop to all stages of your production and the more workers you employ, the more people will go around having very little to do. If you cannot afford this unavoidable stop, buy two machines and keep one for emergencies! Otherwise make sure you buy your machine from some manufacturer who can promise and provide maintenance and repair services on a basis that meets your production needs. A provision for a good maintenance schedule, before your machine fails, will ensure a longer and problem-free performance. In other words, you will also need the machine manufacturer’s advice and help AFTER you have paid for his machinery, whatever this entails.
What should I do to protect my investment?
Since cutting machines usually are in the first stages of your production line, a temporary failure of the machine puts a temporary stop to all stages of your production and the more workers you employ, the more people will go around having very little to do. If you cannot afford this unavoidable stop, buy two machines and keep one for emergencies! Otherwise make sure you buy your machine from some manufacturer who can promise and provide maintenance and repair services on a basis that meets your production needs. A provision for a good maintenance schedule, before your machine fails, will ensure a longer and problem-free performance. In other words, you will also need the machine manufacturer’s advice and help AFTER you have paid for his machinery, whatever this entails.
What changes has CNC manufacturing made possible to cutting machine development?
The idea behind CNC cutting is to allow a computer to control the torch head making clean sharp cuts. Absolute precision is possible through CNC machining, consequently hand-held torches are to be avoided; the cutter has been built into the table. Modern CNC plasma equipment is capable of multi-axis cutting of thick material, allowing opportunities for complex welding seams on CNC welding equipment that is not possible otherwise. Fixed equipment as compared to portable ones have the option to include heavy cutting energy sources to cut much thicker material. They also allow opportunities for complex welding processes. More complex state-of-the-art technologies allow more elaborate cuts with thinner kerf and greater thickness. Inverter plasma cutters have replaced the analog ones. They rectify the energy supply to DC which is fed into a high frequency inverter 10 kHz to 200 kHz which allows for reduced size and weight.
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