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ELEMENTI MICROTUBULARI - MACCHINA SPIRALATRICE

 

COILING MACHINE (P/N: ATTR000006) 



ATTENZIONE:

Le istruzioni che seguono e l’uso delle attrezzature di spiralatura qui elencate permettono di ottenere dei Rollmax di buona fattura ed affidabilità, se però le vostre esigenze richiedono la massima precisione nelle forme e nello scambio termico è indispensabile richiedere i Rollmax spiralati con le nostre macchine a controllo numerico.

La piegatura a spirale dei Rollmax
1. Determine the inner diameter of the heaters coil. The outer diameter can be calculated by adding the dimension of the side of the cross section twice to the inner diameter. Select the mandrel size according to the inner diameter of the coil chosen. Please refer to the chart below: the mandrels diameter will be inferior to the coils inner diameter.
2. Install the mandrel on the coiling machine (see "a" ). Insert the heater vertically, with the tip directed downwards, between the clamp and the roll, then clasp the heaters tip.
3. Coil the Rollmax heater by slowly rotating the hand grip, whilst holding the heater in a vertical position.
4. Keep a minimum 30 mm straight length from the beginning of the cable junction. This minimum length from the junction should never be bent.
ROLLMAX cross section mm Minimum coil diameter (heated part) mm Minimum bending radius (unheated part)mm
1.1 x 1.9 5 2.5
1.3 x 2.3 6 3
1.8 x 3.2 8 4
2.2 x 4.2 9 4.5
3.3 x 3.3 10 5
3.3 10 5
3.7 10 5

Customizing the orientation of the cable outlet
- Insert the coiled heater in the bending device next to the mandrel (see "c" ), which consists of two short vertical rods, and bend to the desired angle.
- Never bend below the minimum bending radius indicated on the chart.

Stretching one or more spires axially
- Install the coiled heater on the stretching device (see "b").
- Insert the two metal sheets so that the spires to be stretched are in between the sheets (the sheets should be inserted for at least three quarters of the coil's diameter).
- Rotate the hand grip until reaching the desired stretching. Depending on the coil diameter, do not stretch to a pitch of more than 10÷15 mm in order to avoid torsion or a reduction of the coils inner diameter. This would result in loss of cylindrical contact on the surface to be heated, reducing performance and duration of the heater.

Caution
- When you need a coiled Maxi-Rollmax, you must order a pre-coiled heater.
- In cases where pitch stretching using the manual machine results in the heaters torsion or in the reduction of the coils inner diameter, you must order a pre-coiled heater.
- When in need of a complex shape, other than a coil/spiral, you must order a pre-coiled heater.
- For high-quality coiling/shaping to tight dimensional tolerances, you must order a pre-coiled heater.
- When bending rectangular cross-section heaters avoid bending in the direction of the longer side: deformation and torsions that can originate could put to risk the heaters functionality.

Mandrels

Coil I.D.

Mandrel P/N

"A" Mandrel O.D.

"B"

10,0

ATTR000048

9,45

40

11,0

ATTR000065

10,50

40

12,0

ATTR000047

11,40

40

12,7

ATTR000020

12,00

40

13,0

ATTR000030

12,35

40

14,0

ATTR000044

13,30

40

15,0

ATTR000066

14,30

40

15,9

ATTR000057

15,17

40

16,0

ATTR000038

15,00

40

18,0

ATTR000043

17,00

50

19,0

ATTR000021

18,00

50

19,1

ATTR000058

18,05

50

20,0

ATTR000049

18,90

50

21,0

ATTR000067

19,90

50

22,0

ATTR000050

20,90

50

22,2

ATTR000059

21,12

50

23,0

ATTR000068

21,80

50

24,0

ATTR000069

22,80

50

25,0

ATTR000045

23,80

50

26,0

ATTR000070

24,80

50

28,0

ATTR000071

26,40

50

30,0

ATTR000036

28,40

50

31,8

ATTR000060

30,15

55

32,0

ATTR000051

30,40

55

33,0

ATTR000072

31,20

55

34,0

ATTR000073

32,20

55

35,0

ATTR000039

33,00

55

36,0

ATTR000074

34,00

55

37,0

ATTR000075

34,90

55

38,0

ATTR000076

35,90

55

40,0

ATTR000040

36,90

60

42,0

ATTR000077

39,80

60

44,0

ATTR000078

41,80

60

45,0

ATTR000046

42,50

60

50,0

ATTR000041

46,80

60

53,5

ATTR000064

49,90

60

55,0

ATTR000079

51,70

70

60,0

ATTR000080

54,80

70


 

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