HIL-90: Functionality meets Design

The impressive features of the new internal coating machine HIL-90 for aluminum tubes include high machine performance and optimal maintenance friendliness in combination with a new design. The maximum line speed of the HIL-90 is trendsetting: up to 200 tubes per minute can be precisely internally coated.


  • Low vibration due to solid mechanical design
  • Individual vacuum circuit for machine infeed and outfeed
  • Increased user comfort by direct electro-pneumatic control of the spray guns by HMI
  • Shorter cleaning times by optimized exhaust performance
  • Height adjustable and horizontally moveable control panel
  • Combinations with different internal coating drier options (1 or 2 rows)
  • Manufactured in accordance with the ATEX regulations
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  • Additional lacquer supply
  • Cleaning device for spray gun extensions 
  • Energy optimizing system and vacuum control 
  • Second spray arm with full spraying equipment assembly  
  • Exhaust system for overspray extraction at tube shoulder
  • RFID-access verification system to organize access authorizations
  • Division of spray gun groups into separately ­controlled circuits


  • Product range: aluminum tubes
  • Product diameter: Dmin 11 mm, Dmax 50 mm
  • Trimmed tube height: Lmin 45 mm, Lmax 280 mm
  • Production speed: 200 tpm
  • Spray guns/Spray process: 9/3 times

Internal drier for tubes TIT


  • 1-or 2-row transport chain with baskets
  • Reduced wearout of the transport chain and the chain wheels by cardan-based drive system
  • Chain tensioner with weight, electronically monitored
  • Easy accessibility to the drier interior due to large doors 
  • Quadruple door lock
  • Isolated doors with special door hinges for ­synchronized door closing
  • Large outer doors with smooth surface on the oven‘s front and rear sides
  • Quick and easy removal and reassembly of the shafts and chain wheels in case of service




Chain Lubrication System





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Application Areas of the Internal Coating Machine



Internal Coating of Aluminum Tubes