Cym Materiales SA manufactures continuous shot blasting machine for welded structural steel , profiles, bars, plates, steel strips and pipes according to the needs of each customer.  

Three models of shot blasting machines allow you to select the correct equipment for each application.    

• PER R Equipped with 4 turbines and located at 90 ° with respect to the passage of recommended parts to process raw materials (angle profiles, L, H, etc. and tubes)  
• PER I : Equipped with 4 inclined turbines with respect to the passage of parts, they can process simple welded structures, spools and raw materials. Complex welded structures can be processed by passing twice through the equipment so that they are properly shot blasting.
• EST: Process all types of welded structures, spools and raw materials. Equipped with 8, 12 or 16 turbines, blasting the parts at multiple angles of impact achieve a correct cleaning and homogeneity

The conveyors may be a parallel roller bed or an overhead rail conveyor that introduces the parts into the chamber continuously. The machine may be equipped with in-line painting to avoid costly secondary handling of the parts.

The main uses and applications of shot blasting equipment in the steel manufacturing industry are as follows:

• Pre-blasting of raw material
  • Process prior to the manufacture of welded structures
  • Elimination of lamella and rust, improving the cutting, drilling, welding processes, etc.
  • Decreases the level of dust in the facilities

• Shot blasting of welded structures
  • Process prior to the application of a coating (paint)
  • Leaves the surface clean, free of rust and lamella
  • Increased surface roughness improving the anchorage of the coating to be applied

Features Construction

Blast Cabinet

• Manufactured with triple layer of steel
  • SAE1010 steel external structure
  • Double internal lining
    • MN steel (11% -14%) covering 100% of the main cabinet
    • Additional reinforcement in direct hit areas with high chrome cast steel plates (?64RC)
• Screw conveyor - Spiral 15b30 boron-steel
• Access door blast cabinet
• Inlet and outlet chambers with sealing curtains to minimize abrasive escape from the blast compartment

Work Conveyor

• Two options
  • Parallel roller conveyor
  • Continuous monorails hook conveyor allows to process parts in suspended hooks working in line with painting processes
• Conveyor length as required
• Variable speed of advance of pieces for different qualities of cleaning
• Outlet screw conveyor for return of shot to the equipment
• Transfer and feeding equipment for loading and unloading parts

Blast Wheel

• Located strategically with a correct distribution of shot on the rod to be treated resulting in a better coverage and better performance of the machine
• Direct Drive from 10 HP up to 100 HP
• Housing manufacture in MN (11-14%) steel Forming together with the internal liners and double resistant wear wall
• High chrome steel internal liners (?64RC)
• Positioning and fixing system for control cage, eliminates the risk of incorrect adjustment of the hot spot.
• Labyrinth seal of abrasive between engine coupling and housing with possibility to mount the turbines in any position

Abrasive recovery system

• Bucket elevator with cast bucket – SAE 1035 steel
• High efficiency Air flow abrasive cleaning
• Upper Screw - Spiral 15b30 boron-steel
• Storage hopper for good abrasive
• Maintenance platform
• Valves flow control
• Automatic Abrasive Regeneration System

Dust Collector

• Steel construction:  3.2 mm thick
• Cartridge media cleaning: reverse Pulse jet
• Easy replacement of cartridges
• Efficiency ? 0.5 micron / 99.9%
• Emission < 1 mg/m3
• 200L dust accumulation drum with lid transition to drum with sleeve filter
• Intermediate gravitational separator located between blast cabinet and dust collector allows for increasing the air flow inside the cabinet without risk of carrying good abrasive to the dust collector drum
• Silencer and Mineral wool cover kit to reduce noise ? 85dBA a 1.52m
• Maintenance platform

Electrical component

• Control panel for operation control
• Components and motors: according to customer requirement IEC, Nema, UL, etc.
• PLC control:  Siemens
• Emergency stop button: included
• Wire cables to connect control panel and motors
• Movement sensor motors
• Cooling system (for maximal temperature: + 45 °c)
• Soft Start motors

Technical data - Steel Construction Blasting Machine - EST

• Process all types of welded structures, spools and raw materials (plates, angle profiles, L, H, etc. and tubes), with high production volume and minimum operating cost.
• Equipped with 8, 12 or 16 turbines, blasting the pieces at multiple angles of impact achieve a correct cleaning homogeneity in the processed parts
• Using Continuous monorails hook conveyor to process parts in suspended load allow to work in line with painting processes

Technical Data - Steel Construction Blasting Machine - PER I

• Equipped with 4 inclined turbines with respect to the passage of parts, they can process both simple welded structures, spools and raw materials (plates, angle profiles, L, H, etc. and tubes) with a high production volume and minimum cost
• Complex welded structures can be processed by passing twice through the equipment so that they are properly shot blasting
• Using Continuous monorails hook conveyor to process parts in suspended load allow to work in line with painting processes

Technical Data - Profile and Pipes Blasting Machine - PER 90°

• Equipped with 4 turbines and located at 90 ° with respect to the passage of recommended parts to process raw materials (angle profiles, L, H, etc. and tubes) with high production volume and minimum operating cost
• Enhanced finish consistency of processed pieces
• Automatic shot blasting process, which does not require skilled labor.
• With proper equipment operation, there are no health problems for the staff, or damage to the facilities and not pollute the environment

Alternative and complementary machines

Preservation lines

• Recommended when manufacturing are lengthy or long storage times period
• Complete blasting and painting lines
  • Horizontal passage (CH-H) for raw materials, plates and H profiles and pipes
  • Vertical passage (CH-V) for plates

• Shot blasting machines are complemented by paint booths and in-line drying ovens for shop primer applications, thus avoiding unnecessary manipulation of parts with high productivity and low operating cost

Learn more...

Paint booth for welded structures

• The 3D continuous flow combined shot blasting, painting and drying facilities are an ideal solution for the treatment of all types of welded structures
• The 3D continuous flow line, developed for processes that require high production, process flexibility and diversity of parts, allows to apply coatings on elements of different shapes, weights and sizes.
• The 3D concept significantly reduces the area occupied in the paint line, minimizes downtime, ensures quality in the treatment of parts and works with a minimum operating cost.

Learn more... 

Blastroom

• Flexible blasting process allows to process all kinds of pieces that, due to their size or complexity, cannot be processed in automatic shot blasting machines
• One or more operators are inside the blastroom during the blasting process using pressure blast pot to project the abrasive.
• A protective suit and a helmet protect the operator from abrasive impact,
• In combination with nozzle manipulators installed in the blastroom, surfaces can be automatically processed

Learn more...

Advantages of wheel blast machines

• Higher production volume, minimizing operating cost.
• Enhanced finish consistency of processed pieces.
• Automatic shot blasting process, which does not require skilled labor.
• With proper equipment operation, there are no health problems for the staff, or damage to the facilities.
• They do not pollute the environment

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