China Double Layer Roll Forming Machines

China double layer roll forming machines refer to equipment engineered in China that continuously forms structural metal panels, roofing, decking and cladding products consisting of two distinct layers from steel coil substrates.

This guide covers standard China double layer roll former offerings, the progressive roll forming process basics, machine component technical summaries, operational guidance procedures, customization options available, supplier pricing comparisons, machine selection factors, pros vs cons considerations, and commonly asked questions regarding these lines.

China double layer roll forming machine
China Double Layer Roll Forming Machines 8

China Double Layer Roll Former Equipment Types

China double layer roll formers are offered in manual, automatic CNC programmable, and customized machine types (Table 1):

TypeDescription
ManualBasic manually adjustable roll dies
AutomaticServo feed controls with auto gauging
StandardCommon roofing and wall panel profiles
CustomizedUnique roll sets for proprietary products

Table 1. China Double Layer Roll Former Model Options

Configurations utilize various supporting equipment like decoilers, sheet levelers, pre-punches, cutoff tables.

How China Double Layer Roll Forming Works

The roll forming process utilizes successive sets of roller dies to progressively cold form distinct connected top and bottom metal layers from a single strip simultaneously as the coil feedstock passes through the line (Figure 1). Steps include:

  1. Feeding raw coiled sheet into system
  2. Progressively bending material through upper and lower contouring rollers
  3. Forming distinct but integrated panel layers
  4. Calibrating overall profile thickness and flatness
  5. Shearing cutoff panels to specified lengths
  6. Accumulating or coiling finished panels

Figure 1. Double Layer Roll Forming Diagram

The number of shaping stations, tool dimensional details, and process settings determine the final formed product specifications.

China double layer roll forming machine Component Details

Key China double layer roll former system components include (Table 2):

ComponentDescriptions
Forming rollersSolid CNC machined roller dies with profile details
Roller stationsUpper/lower matched die sets for each layer
Roller shaftsGear or chain driven roller die rotation
Sheet guidesSplit guides for registered top/bottom tracking
Feeding systemPulls or pushes feedstock through stands
ShearingHydraulic presses cut panels to length
LevelingCorrects incoming coil coil flatness
AutomationServo feed controls, gauging sensors

Table 2. China Double Layer Roll Former Parts Summary

Customizing China double layer roll forming machine

Specialized architectural metal panel requirements involve customized roll forming solutions including:

AreaCustomization Possibilities
Profile geometriesUnique top/bottom dimensions
Layer configurationsBeyond two layers, multi-tiered
Width capacityMachines over 2.5m component widths
Metal alloysCustom materials from stainless steel to copper
Added operationsHole punching, drilling, tapping, swaging
AutomationAdvanced statistical and operational controls
SafetyExpanded guarding, maintenance platforms

Close design engineering collaboration between technical teams enables specialty panels.

China Double Layer Roll Former Suppliers and Pricing

ManufacturerLocationPrice Range
Foshan YSDFoshan, China$
Botou XianfaBotou, China$
SIPNICShanghai, China$$
XCMGJiangsu, Chin$$
CustomPartNetCalifornia, USA$$$$

Table 3. China Double Layer Roll Forming Machine Vendors and Ballpark Equipment Costs

Price ranges span from $8,000 for basic Chinese machinery up to the low six figures for sophisticated American engineered production lines.

Operational Procedures for China Double Layer Roll Lines

Efficient ongoing operation procedures include:

ActivityDescriptions
SetupStage strip coils, thread through stands roller guides, program automation settings, test run panels, optimize calibrations
OperationMonitor sheet tracking/alignment, confirm output dimensional uniformity, document any errors
MaintenanceReplace worn rollers, lubricate bearings/slides, calibrate sensors and feed controls

Table 4. China Double Layer Roll Former Procedures

Schedule preventative maintenance appropriately to minimize unplanned downtime losses. Continuously verify output product dimensional conformance.

Selection Factors for China Double Layer Roll Equipment

Considerationবিস্তারিত
Annual volumeMatch acceptable line speeds to output targets
Part dimensionsCheck against machine width capacities
Material propertiesStrength, allowable thickness range
Added operationsRequirements for hole punching/cutting
Budget constraintsThroughput objectives vs capital outlays
Location factorsAvailable China machinery supply sources
ExpandabilitySecondary future tooling, capacity increases

Analyze current and projected manufacturing requirements against machine specifications and vendor expertise.

Evaluating Pros and Cons of China Double Layer Roll Lines

AdvantagesDisadvantages
High speed continuous processingInitial machinery capital investments
Consistent uniform output qualityCustomized tooling costs
High dimensional precision standardsSetup/changeover down time requirements
Retention of base material propertiesOperation and maintenance skill needs
Limited raw material wasteSize range constraints by model
Scalability via added stationsRequire precision monitoring

Table 5. China Double Layer Roll Former Benefits vs Limitations

When applied appropriately for sufficient volumes, roll forming offers unparalleled manufacturing performance and efficiency advantages over alternate approaches.

Frequently Asked Questions

What thickness range can China double layer lines accommodate?

Standard models process material thicknesses from 0.5mm – ~5mm hot rolled coils and metal sheet products depending on required bend radii, drive power, and designed clearances between layers and tooling.

How fast can these China lines operate?

Average line speed production rates span 10-15 meters per minute for common materials and profiles. Appropriate feed power settings prevent tearing or distortion issues.

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