L

Flying Bridge Waterjet Cutting Machine

Finjet L

Technical specifications

FinJet L-series is designed for flexible cutting in all environments. Flying bridge design enables the effective use of the machine from three different sides. No matter if you are running a small job shop or producing demanding parts 24/7, with L-series you will be able to correspond all needs of waterjet cutting.

In FinJet L models, the movement of the waterjet cutting machine is executed on a X-axis with a helical precision rack and pinion and on the Y-axis with Ø 40 mm precision ball screws. High-quality B&R (ABB) servomotors are equipped with absolute measurement, which allows the machine to be started without the need for extra home run. The bearings of the sleds are always mounted on precision guides with four bearings and at sufficient distances to eliminate vibration. The machine’s mechanics are designed for durability and longevity in all conditions.

Since abrasive waterjet cutting machines are always exposed to at least abrasive and water, protection must be designed accordingly. In FinJet L models, the X-axis is always protected by a tight U-beam. The Y movement is protected by a round bell and the machine frame is covered to withstand extreme conditions.

Electrical and automation design on all FinJet waterjet cutting machines are planned and executed by Muototerä’s own personnel. This allows optimum compatibility between mechanical and automation components. A good waterjet cutting machine is made from quality components, but it is not enough on its own. All parts must work together seamlessly. The purpose of Muototerä is always to make the waterjet cutting machines perform better than the sum of their parts. In practice, this means collaborative design with mechanical and automation design, so they are executed simultaneously for best results.

The electrical cabinets in FinJet L models are always designed with closed circle cooling, which makes the electrical and automation components more durable and the waterjet cutting machine less prone to failures. The machine is controlled by Muototerä’s own interface for water cutting. The HMI (Human Machine Interface) is a 21.5 ”Full HD touchscreen with a powerful 1.91GHz processor. The user interface has been designed based on the user experience so that it is simple yet powerful, offering all the features needed for effective waterjet cutting.

High pressure components play a critical role in waterjet cutting. As it is a high pressure device (3800 – 6200 bar), the high pressure components are subjected to extremely heavy stress. In addition to the self-made components, Muototerä uses components from KMT Waterjet. High-quality components guarantee the reliability of the machine at all pressure levels.

All FinJet waterjet cutting machines can be connected to any high-pressure pump, including old ones already at the client’s site. Muototerä is an official distributor of KMT High Pressure Pumps and a Premium OEM Partner. Our high pressure pump product range can be found here

 
 
 
Finjet L

Available options & accessories

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Cutting head

Basic 2D cutting head with three axis (Z, Y, Z).
The cutting heads are mounted on their own sleds and the distance between them can be adjusted automatically.
The height sensing device measures the height of the part before piercing and adjusts the nozzle to the correct cutting height.
The drill unit allows for penetration and afterwards cutting of materials that are difficult to pierce. Such materials are e.g. glass fiber and carbon fibe. These can be cut without the risk of delamination. The drill unit is exposed by the pneumatic cylinder and is also pneumatic.
The collision sensor protects the nozzle from damage in the event of a collision. In the event of a collision, the magnetic attachment of the nozzle opens and gives a programmatic stop command to the machine. The operation can be resumed by removing the cause of the collision and manually re-inserting the nozzle.
Enables one sided bevel cutting without the actual 5-axis bevel cutting head.
Sapphire crystal protected laser pointer for zero-point setting.

Control & machine

It is easily movable and has some place for papers. Dimensions W x D 650 x 750 mm, height 1400mm.
The control panel is fixed to the machine.
Remote control can be used to position all the axles of the table. It has also start, stop and water test functions.
Unit is connected to the controller and it sends a SMS message to preset mobile phone number, when the program ends, or there is a fault with high pressure pump or cutting table. Customer is responsible for ordering a SIM-card. We recommend the mobile unit, if the system will be used for unmanned cutting.
Frame done from stainless steel instead of normal steel.
System lubricates all the bearings between programmed time. It is equipped with pressure switch, which assures that the lubrication is working correctly.
A separate tube cuttingn unit is installed next to the machine, where the waterjet can be used to cut tubes.

High preassure pump accessories

The optional heat exchanger saves tap water when it does not need to be used to cool the pump. The heat exchanger is used to recover the waste heat from the pump for heating the hall.
The tool kit contains special tools required for pump maintenance. The option includes one day maintenance training on delivery of the machine.
Spare part set according to pump and machine type.
Allows multiple high pressure pumps to operate on the same pressure line.
The analog gauge shows the pressure in the pipeline. It also helps to find of internal pump leaks.
Allows pressure control not only from the pump but also from the machine control.

Abrasive handling

Depending on the size and number of the cutting heads, 18-120 kg/h of abrasive sand is coming into the cutting table tank. The used abrasive and cutting waste is removed from the tank with pneumatic diaphragm pump, which circulates the water through the system.

Movable cutting surface that you can apply when cutting only with water.

Stainless steel lamellae are recommended for cutting of aluminum and stainless steel. The water jet tank is  made out of stainless steel as well.

Guns make it easy to clean the plate and parts after cutting.

The sensor in the abrasive feeder monitors the abrasive feed status

Abrasive will be filled by hand to a pressure silo, which capacity is 200 kg. It give about 8 hours cutting time with one nozzle. Includes the screen. Silo is equipped with low level sensor generating warning message on CNC screen, when abrasive is low.


PLC controlled Automatic abrasive silo for easy operation. Easily accessible, the abrasive can be loaded even while cutting. Sensors in lower tank monitor abrasive availability and control lamp shows system’s status. Flashing lamp reminds you to fill up the storage tank.

Cutting tank

The system has small volume tank connected to cutting tank. It will adjust the water level through pneumatic air. The additional tank can be removed for cleaning. It has a separate slot in cutting tank to prevent the waste abrasive from flowing to tank. Controlling of water level is made by buttons in control panel.
Rubber splash protect in front of the tank can be lifted up by pneumatic air.
On 3 sides of the machine will be installed a stainless steal protector to prevent water splashes from the cutting tank.
Stainless steel lamellas are recommended for cutting of aluminum and stainless steel.
The used cutting water and fine cutting waste are pumped from the bottom of the basin by a submersible pump into the sedimentation basin. From there the water runs through the barriers to the drain.

Safety

The cutting table is surrounded with a safety light barrier. Interrupting of light barrier will stop the cutting process and the pump.
Isolated cutting area with either fixed walls or mesh fence and sliding door. The cutting table is surrounded with a fence according layout. The fence has one door as standard equipped with safety switch.
Safety dump valve relieves the high pressure water from the tubing of the table when safety circuit is deactivated. At the same time another valve closes the high pressure network allowing to keep the pressure high on the network. Safety dump valve allows the pump to remain on while i.e. changing nozzle without pressure on the machine tubing. This helps to work safely and continue work quickly after activating the safety circuit. Otherwise the pump must be stopped.
Applicable Industries

Waterjet cutting solutions for different industrial sectors

The undoubted advantage of waterjet cutting is versatility. The cutting method is suitable for environmentally friendly cutting of almost all materials, such as aluminum, steel, glass, stone, plywood, rubber, plastic, foam and food.

The operation model form Muototerä is based on fast, reliable and flexible service. We are always customer-oriented, which means that we can provide you with the service concept that suits you. So we’re not trying to get our clients in the same mold, but tailor our services according to needs.

H

Portal Waterjet Cutting Machine

FinJet H-series is designed for continuous heavy duty waterjet cutting. Its modular portal design enables numerous different variations so that every demanding need can be fulfilled. H-series can be equipped with several cutting heads including 5- axis bevel cutting units.

L

Flying Bridge Waterjet Cutting Machine

FinJet L-series is designed for flexible cutting in all environments. Flying bridge design enables the effective use of the machine from three different sides. No matter if you are running a small job shop or producing demanding parts 24/7, with L-series you will be able to correspond all needs of waterjet cutting.

P

Pure Waterjet Cutting Machine

When cutting soft materials, such as plastic, foam, rock wool, rubber or plywood, abrasive can be left out from the cutting process. This enables faster movements and system can be optimized for pure waterjet cutting.

S

Compact & Capsulated Waterjet Cutting Machine

This is a plug-and-play waterjet cutting machine for quick installation and commissioning. Despite its small size, it is a compact waterjet machine for demanding cutting applications, based on the FinJet H Series.

R

Robot Waterjet System

FinJet R-series covers wide range of robot integrated waterjet cutting systems. Waterjet robot is ideal solution when we are aiming for maximum automation of the cutting process. FinJet R series is available for both water-only and abrasive waterjet cutting.

X

Client Customized Cutting System

Sometimes the cutting need is so exotic or demanding that normal waterjet cutting machines cannot offer the best solution. In this case, we make plan how to solve this. FinJet X offers a turnkey package: we plan and offer to solve the problem through the expertise brought by the experience.

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