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  • 642-1, Woongchon Rd., Woongchon-Myun, Ulju-Gun, Ulsan, R.O.K
  • shinheung@atlastech.co.kr
  • +82 52 222 8650/1
  • +82 52-222-8653

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   Centrifuge makes the CNC coolant clean!   

       By removing fine aluminum particle, SPICO make the coolant life longer.

 

 

 

  Scenario                                 

 

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H.N.I.T is the iar craft and military automobile parts manufacturer. By their advanced technology, they produce precise part with their CNC machine. While wheir manufacturing process, coolant management system is essential. If they fail managing the collant condition, there would be serious problem on the products. Every CNC machine has at least 2 or 3 oil filter system. Most of chips are captured by the filter system, but ultra fine particles pass the filter system and still stay in coolant and machine. They try to remove all of chip to make coolant clean, and contacted us to use our centrifuge

 

 

  Solution                                

 

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Their ultra fine chips are aluminum and the size is under 4 um. Their raw material has a lot of silicon so the fine chips is more like sticky dirt. (It might be stick on the tool or material shile machining, and make the tolerance problem.) SPICO plan to purify on the 2nd filter system tank. Then coolant can go back to coolant tank with clean condition. We set the PCC602 on the 600liter tank and run the machine for 1 week.

 

 

 

 

  Results                                

 

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As you can see next pictures, we got great result both ultra fine chip and coolant change.

Mud type fine chip are captured on the centrifuge rotor inside. The manager said.'Silicon is contained the aluminum material, and it seems more than 90% chips are out.' When he saw the oil color change, he is convinced himself that our PCC602 is optimum coolant filter system of aluminum CNC machine.


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   Centrifuge makes the kerosene life longer.   

       By removing sticky sludge, SPICO reduce the expanse up to 50%

 

 

 

  Scenario                                 

 

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SJ precision was founded in 1973 and specialized in producing bolts and nuts. They have 3 large factories throughout Korea. One of the factories has 72 sets of forming machine and 4 cleaning systems. For the cleaning system, they use kerosene as a cleaning oil. They try to keep the kerosene clean. Bolts and nuts stick to each other if they use dirty kerosene. They use thousands liter of kerosene every week. To reduce the expanse of cleaning oil, they try to test with our PCC for the reusable kerosene.

 

 

  Solution                                

 

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In the kerosene tank, they already have the magnetic conveyor for capturing large steel chip. We focused on the fine sludge because it made the oil sticky and It was from previously forming process. We decide to set up the PCC602 next to kerosene tank. It run 8 hours during their working time, and we checked the cleaned bolts and nuts surface every 3 days.

 

 

 

  Results                                

 

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3 days later, we opened the rotor inside, and could see the sticky sludge captured. (see photo left)

2 weeks later, the bolts and nuts surface were still same as before and no more sticky.

The production manager said that PCC602 extends the kerosene life to double. It means they can save 50% of oil expanse for an year.

It was outstanding result for both companies, and this case makes SPICO sales wider.


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   Centrifuge makes the CNC machine maintenance easier   

       By removing fine aluminum particle, SPICO reduce maintenance time

 

 

 

  Scenario                                 

 

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MS tech is producing precise aluminum product for automobile and medical device by CNC machining. They have more than 150 sets of swiss type CNC turning machines for the mess production. The problem is they have to stop all machine every 3 weeks to clean the main spindle chuck because aluminum fine particles always stick to the chuck inside. Without cleaning, the chuck cannot hold the structure properly. The maintenance takes very long time and cause low productivity by stopping machine for a while.

They contacted us, SPICO to solve the problem.

 

 

  Solution                                

 

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The fine particles are aluminum and the size is under 4 um.

Because it is very light, it cannot be sank in the tank, and flow with cutting oil. (there were 2 filtration system, but it couldn’t remove the particle.)

We decided to install PCC602 at the cutting oil tank. In order to capture fine particle, we use hybrid filter and check the oil contaminant for a month.

As time goes by, particle in coolant decreased, and fine particle captured in the hybrid filter.

 

 

 

  Results                                

 

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MS tech and SPICO checked the spindle chuck condition. The initial chuck was stuck by a lot of fine particle.

1 month later, MS tech open the chuck again and found almost nothing on chuck and spindle.

“It was amazing result, and there will be no more chuck cleaning maintenance.” Production manager said.

Now, they bought 1 set of PCC602 to manage the coolant condition without machine-stop.


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   Centrifuge system meets heat treatment quality.   

       Product surface quality improvement by oil centrifuge.

 

 

 

  Scenario                                 

 

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NSK bearing in Korea, one of the biggest bearing manufacturer in the world, tried to boost their production as their business expansion. In their quenching oil tank, they put more than double volume of previous production.

As production increased, massive sludge occurred as well, and the massive sludge stuck to the product surface while heat treatment process. Consequently, it made the problem on product surface quality, and they had received complaint by their customer every month.

They were searching for a way to solve the quality problem and reduce sludge in the oil while keeping their productivity.

 

 

  Solution                                

 

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Previously, NSK was using our PCC602 which was one centrifuge with pumps at their 25,000 liter quenching oil tank. We found that the capacity of centrifuge was not enough to capture the massive sludge, and as we proposed, NSK agreed to install PCC1202 which has two parallel centrifuges with precise pump & motor speed control system. PCC1202 controls the flowrate itself to prevent overflow and detects oil leakage when the oil out.

 

 

 

  Results                                

 

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PCC1202 system demonstrated immediate results. According to maintenance manager from NSK, PCC1202 captured 7kg of carbon sludge in every 24 hours. 3 weeks later, the sludge amount went down to 5kg a day, and the surface quality began improving. 1 month later, finally, all of surface quality problems were fixed.

Now they are proud to choose our PCC1202 system to meet their productivity and quality.


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   Oxidized carbon sludge remover in Quenching oil   

       Bearing housing surface quality and brightness improvement.

 

 

 

  Scenario                                 

 

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NSK bearing in Korea, one of the biggest bearing manufacturer in the world, is manufacturing large amount of bearing. One problem they got complaint from their customers, automobile maker, was the black spot on the bearing housing. NSK tried to remove the problem, but it doesn’t work because of the big size of tank(it is about 25,000 liters)

NSK was looking for a way to solve the problem, and finally They contacted SPICO.

 

 

  Solution                                

 

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We, SPICO needed to know what type of sludge was in the oil. As quenching oil is aging, Sludge is made by oxidation. And the sludge in the quenching oil interrupts the heating function.

SPICO provide PCC602 because of the big tank size, and we also expected there will be a large amount of sludge in the rotor inside.

Sludge amount was checked every 24 hours for 3 weeks. At first, about 3kg of sludge came out, and as time goes by, the sludge amount decreased to less than 2kg.

 

 

 

  Results                                

 

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PCC602 successfully works well for the tank.

As decreasing sludge in tank, the surface problem was gone as well. According to heat treatment manager, ‘Mr. Jung-gi Park’ surface problem was solved as well as brightness also improved. He didn’t expect brightness improvement.

He pretty satisfied with the bearing housing quality by our PCC602, and bought 1 more set to install other quenching oil tank.


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   Centrifuge with dewatering system reduces maintenance   

       GP1202 removes sludge and water in oil at the same time.

 

 

 

  Scenario                                 

 

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Hyundai Heavy Industry(HHI), world famous ship building company, contacted SPICO regarding sludge removal system for large CNC machine such as plano miller. While using CNC, sludge on moving surface occurred and came into lub oil tank. Moisture was mixed with lube oil as well. Consequently, they stop to repair the machine regularly. As the productivity decrease by frequent maintenance, they decided to use our purifier.

 

 

  Solution                                

 

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HHI asked SPICO to inspect oil condition. In order to study oil condition change, purification demo set was installed for a month. The sludge and water emersion in the oil were analyzed everyday and we tried to find out what the most problem is in the oil.

Water in oil hold the sludge and it was hard to remove the sludge as far as water is in the oil.

SPICO decided to installed GP1202 which can remove sludge and water at the same time.

 

 

 

  Results                                

 

 

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Two centrifuges and water separator set on the GP1202 as well as vacuum pump to remove bubble in the oil. HHI also asked us movable type to set any machine they want. So they now purify every machine regularly. Mr.Jeon, HHI maintenance manager, said “All machines are fully operating now without any stop. GP1202 makes the productivity increase.”

As the performance of GP1200 is admitted, they put 2 sets of GP1200 orders more to set up other shops in HHI.


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