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PP- tech in CZ/EU

PP- tech in CZ/EU. PP-tech, s.r.o. , Hutisko 761, CZ-756 62 Hutisko-Solanec, Czech Rep. Brazing facilities 1/2. Brazing facilities 2/2. Brazing machinery by PP-tech. Accessories to brazing machinery. Burner array (2x4 burners). Brazing fixture (valve to pipe brazing).

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PP- tech in CZ/EU

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  1. PP-tech in CZ/EU PP-tech, s.r.o. , Hutisko 761, CZ-756 62 Hutisko-Solanec, Czech Rep.

  2. Brazing facilities 1/2

  3. Brazing facilities 2/2

  4. Brazing machinery by PP-tech

  5. Accessories to brazing machinery Burner array (2x4 burners) Brazing fixture (valve to pipe brazing)

  6. Brazing machinery customised package philosophy Client‘s requirements (as to the process features, characteristics, specifications, particularities and limitations) are always carefully consulted, evaluated and followed throughoutall design stages (i.e. from conceptual sketches through 3D modelling to manufacturing drawings), thus resulting in a unique, customisedmachine, nonetheless typically built upon our „standard-modularized“ line-up of boxes and carrousels. We always aim to deliver a turn-key package to our Clients, i.e. customised machine with fitted accessory and functional process settings (set and verified during brazing trials preceeding a machine overhaul).

  7. Flame brazing process specifics and demands Flame brazing alternates and/or substitutes brazing in furnaces when: • Brazed parts are of complicated shape (e.g. heat exchangers and pipe manifolds for car air-con systems) • Easy and fast job-change is needed • Small-lot production is being run (batches not justifiable for costly CABs) But, due its principle of localised (spot) flame heating, it faces following challenges: • Changing environment around the machine (temperature, humidity, air draught) • Gas quality (calorific capacity) fluctuations • Human (error) factor Better process stability and costs/yield ratio of flame brazing can be achieved by: • Higher level of brazing process control • Reduction of human error

  8. Flame brazing process control

  9. a) temperature test b) start of wire feeding „Intelligent“ wire feeder – fig.

  10. CCD camera – fig. The areas marked with red rectangle and circles are monitored

  11. Conventional approach vs.advanced process control – comparison

  12. Showcase – intelligent wire feeder

  13. Showcase – CCD camera unit

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