STM - Waterjet Cutting Systems - High Pressure Cutting Waterjet Systems

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		Rectangular gratings are mainly used with mesh sizes of 30 x 30 mm and 30 x 10 mm. The typical grating surface area is 1 m2. The height of the bars is 30 mm. Advantages + Flexible support option + Even small workpieces can be cut without falling through + High lateral stability + Standard product with short delivery times Disadvantages - The bars are cut through as well during repeated cutting in the same position or during slow cutting of thick materials - Evenness varies by up to 5 mm - With straight cutting there is a risk of permanent reflection of the waterjet from the bars - Grating weight Range of use Rectangular gratings are an acceptable support option and represent a flexible variant for nearly all planar materials. Therefore they are mainly used by contract cutting shops. >> back to components overview



		Clamps provide a flexible option for fastening workpieces on the support gratings. They can be used both for rectangular gratings and for diagonal gratings. Advantages + Fastening in X- and Y-directions + Can be used for wide range of material types and thicknesses + Use for all material sizes + Quicker and more flexible use Disadvantages - Fastening of very thin/light materials is not possible - Does not prevent "floating" of materials Range of use Clamps are for fastening of different materials. They can be variably matched to plate sizes. Inserted in diagonal and rectangular gratings, they can be positioned as required. >> back to components overview

H-carriers are longitudinal supports of length (X-axis) equal to that of the respective machine. They have a height of 80 mm. For supporting higher weights, they can be fitted under the gratings or without the gratings but provided with a special rubber profile on the top edge. The height with rubber profile is 110 mm.
Advantages
+ H-carriers last longer than pure gratings because of their increased height
+ Suitable for thicker and heavier materials.
+ High longitudinal and lateral stability
+ Simple exchange of individual H-carriers
+ Can be fitted with rubber top edges for sensitive materials
Disadvantages
- High mesh width
- Expensive
Range of use
H-carriers are primarily used if thicker materials (greater than approx. 40 mm) or heavy materials (greater than approx. 300 kg/m2) are to be cut. They can be used flexibly for almost every material type. With a rubber profile on the top they are especially suited to use with sensitive materials such as glass or similar.

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		Plastic block supports are a plastic construction with a height of 100 mm that are used instead of gratings, etc. The mesh is approx. 5 mm. Advantages + No waterjet reflection + Very small mesh means the smallest of workpieces can be cut + Low weight Disadvantages - Low wear-resistance during abrasive operation - Limited load bearing capacity - Expensive - Long delivery time Range of use Plastic block supports are primarily used when machining glass and other sensitive materials because no reflection of the waterjet occurs. Also, due to its small mesh, very small parts can be cut without these falling through. >> back to components overview



		Stainless steel combs have a comb mesh of 9 mm and a height of 20 mm. They are supplied in the size 2,500 x 1,250 mm or in custom sizes. Stainless steel comb plates are laid directly on the gratings or inserted in the workpiece support frames. Advantages + High wear-resistance + Scarcely any waterjet reflection + Low mesh width + Small and light workpieces can be cut without fastening Disadvantages - Sharp comb edges - Easily mechanically deformed - Expensive Range of use Stainless steel combs are primarily used rather than aluminium combs because of their high wear-resistance. >> back to components overview



		Pure waterjet aluminium combs can have a comb size between 6 and 9 mm and a height between 20 and 50 mm. They are supplied in the size 2,500 x 1,250 mm or in custom sizes. Aluminium comb plates are laid directly on the gratings or inserted in the workpiece support frames. Advantages + Scarcely any waterjet reflection + Low mesh width + Low weight + Small and light workpieces can be cut without fastening + Inexpensive Disadvantages - Low wear-resistance - Sharp comb edges - Easily mechanically deformed Range of use Plastic combs are primarily used for cutting light materials such as mats, laminates, foams, textiles, leather, sealing materials, etc. as well as for sensitive materials, for which no waterjet reflection may occur. They are also used where very small cut-outs are made and these must not fall through. >> back to components overview



		Lamella substructures from stainless steel are used beneath gratings or stainless steel supports, to reduce the upwards back spraying of jet water and to deflect it downwards as far as possible. The lamella substructures are used if cutting is being carried out without water in the cutting tank. >> back to components overview



		Rectangular gratings are mainly used with mesh sizes of 30 x 30 mm and 30 x 10 mm. The typical grating surface area is 1 m2. The height of the bars is 30 mm. Advantages + Flexible support option + Even small workpieces can be cut without falling through + High lateral stability + Standard product with short delivery times Disadvantages - The bars are cut through as well during repeated cutting in the same position or during slow cutting of thick materials - Evenness varies by up to 5 mm - With straight cutting there is a risk of permanent reflection of the waterjet from the bars - Grating weight Range of use Rectangular gratings are an acceptable support option and represent a flexible variant for nearly all planar materials. Therefore they are mainly used by contract cutting shops. >> back to components overview



		Heavy load frames are specially conceived for STM cutting systems. They are inserted across the entire system width (bridge direction) between the screws cross beams in the cutting tank. The total height of the frames is chosen so that they fit beneath the standard grating position. Cutting can take place either with gratings or without. The 120 mm high insertable panels that are used offer a long service life due to their height and high strength for the heavy load frame because of their curved arrangement. The rectangular insertable panels are very easily fabricated and replaced. Advantages + The insertable panels in the heavy load frame last longer than a grating because of their height + Gratings can be used for longer on the heavy load frame. + Suitable for thicker and heavier materials. + Curved insertable panel arrangement reduces the reflection of waterjets during straight cutting and increases the overall strength. + Insertable panels are easily fabricated and replaced. + The number of insertable panels used can be varied. + Small and light parts can be cut as normal on the grating. 1.3.2 Disadvantages - Lower lateral stability - High mesh width - Expensive Range of use Heavy load frames are primarily used if thicker materials (greater than approx. 40 mm) or heavy materials (greater than approx. 300 kg/m2) are to be cut. They can be used flexibly for almost every material type. With a rubber profile on the top edge of the insertable panels they are especially suited to use with sensitive materials such as glass or similar. >> back to components overview