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coil Membrane Panel Production Line , System Tube Bending Machine

Categories Membrane Panel Production Line
Place of Origin: China
Brand Name: Friendship
Certification: ISO
MOQ: One set
Price: as per client requirements
Packaging Details: plastic film or wooden case
Delivery Time: 30-60days
Payment Terms: T/T or LC
Supply Ability: 100 sets per months
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    coil Membrane Panel Production Line , System Tube Bending Machine

    coil Membrane Panel Production Line , System Tube Bending Machine


    mainly used in the superheater, reheater, economizer serpentuator processing of large-capacity power plant boiler. This uses means of opening the upper die and lifting lower die. Angle control, pulse encoder; imported proportional valve controls the bending speed, boosting pressure; parameters can be controlled through the touch screen.


    parameters:


    Tube diameter

    Ø32~ Ø76mm

    Tube thickness

    3~12mm

    Tube material

    Carbon steel, low alloy steel, head resisting steel and stainless steel

    Max .bending capacity

    Ø76×12

    Max. tensile strength

    700N/mm²

    Max. bending radius

    250mm

    Min. bending radius

    1D(thickness≥10% diameter)

    Max. bending angle

    190°

    Bending angle precision

    ±0.1°

    Bending speed

    0~3rmp

    Min. straight section between two adjacent elbows

    ≥120mm

    Minimum length of tube ending

    ≥1500mm

    Ending techniques of tube length

    ≥1700mm

    The distance between heading seized tube and the center of the bending model

    1500mm

    Maximum expansion of length of serpentuator tube row

    144m

    Maximum running torque of bending model

    8tm

    Maximum stroke of heading machine

    28t

    Maximum boosting spring force

    20t

    Maximum boosting stroke

    880mm

    Maximum loading pressure of hydraulic system

    21MPa

    technical requirements:

    l Feeding tube means (choice)


    means

    parameters

    roller

    Cartype

    Turnaround feeding precision


    ±0.2 mm/10m

    Turnaround feeding speed

    0~35 m/min

    0~35 m/min

    Max. feeding length once

    Infinite

    10m

    Feeding force

    Φ76×10

    At speed of 35 m/min carry the tube of length 60 M weight 1000 kg

    l Tube is separable from the lower die and the upper die during transporting tube.

    l Bending moment:Meeting the tube of length 60m, weight 1000kg bending requirement.

    l Bending force:Meeting minimum bending radius requirement

    l Blank holder device need be installed when processing thin-wall serpentuator.

    l Blank holder device should be reasonable in structure and equipped with automatic lubrication device.

    l The position of boosting clamp should be adjustable; the chuck position had better close the starting of bending.

    l Bending tube program should store 15 sets

    l The main components adopt imported brands (proportional valve, servos, PLC, input interface), which are available at home.

    l Equipped with Oil temperature control system, which could regulate the oil temperature to ensure that keep 25℃~50℃through electric heating system and water cooling system.

    l Bending process could be automatic, but it could also stop if needed at any time; manual control is fit to single action.


    Acceptance criteria:

    l Ovality : ≤10%

    Ovality =2×(Dmax-Dmin)/(Dmax+Dmin)×100%

    l Thinning volume

    (t-t0)/t≤1/(4×R/D+2)

    Where: t=tube thickness

    t0=min thickness of outside elbow

    R=elbow radius

    D=tube diameter

    l Other parameters of elbow should meet the JB/T1611 and UG0156 requirements

    l Oval elbow, the thinning should not be less than the following requirements:


    Relative bend radius

    Ellipticity

    Maximum thinning rate

    R=1.2D

    10

    12

    R=1.5D

    8

    10

    R=2D

    5

    5


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