Double Rows Stud Roll Forming Machines

Double rows stud roll forming machines continuously form structural metal studs with dual protruding ridges from steel coil feedstocks. The machines utilize a series of roller dies to progressively shape flat strip substrate into C or Z section studs with vertical web and uniform horizontal flange ridges running along both sides of the member length.

This guide covers standard offerings, the roll forming process basics, machine component details, operational guidance, customization possibilities, supplier comparisons, selection factors, pros vs cons considerations, and commonly asked questions regarding double rows stud roll forming line equipment.

double rows stud roll forming machine Types

Double rows stud roll former types include manual, automatic, and customized CNC programmable lines (Table 1):

ManualBasic manually adjustable roll dies
AutomaticServo powered auto gauging and speed control
StandardCommon stud geometries and sizes
CustomizedSpecial profiles or inline operations

Table 1. Double Rows Stud Roll Former Model Options

The systems integrate with auxiliary uncoilers, feed tables, levelers, saws and exit conveyors.

How Double Row Stud Roll Forming Works

The roll forming process utilizes shaped roller dies to incrementally cold form continuous flat strip stock into final stud profiles with two protruding flanges along both sides of the vertical web as it passes through the production line (Figure 1). Steps include:

  1. Feeding line level sheet into system from coil
  2. Progressively cold roll forming with upper/lower roller dies
  3. Bending narrow horizontal flanges uniformly up from web
  4. Calibrating final profile to intended dimensions
  5. Shearing cutoff studs to length upon exit
  6. Accumulating or coiling finished parts

Figure 1. Double Row Stud Roll Forming Diagram

The number of progressive stands, tooling geometry, and process settings determine the final stud specifications.

Double Row Stud Roll Forming Equipment Components

Key system components influencing functionality include (Table 2):

Forming rollersSolid precision CNC machined roller dies
Roller stationsUpper/lower die sets responsible for each bend sequence
Roller shaftsDriven forming roller rotation via gears/chains
Sheet guidesCentered strip guidance during forming
Feeding systemPulls or pushes strip through roll stations
ShearingHydraulic cut-off presses slice output
DecoilerUnwinds raw strip coil stock
AutomationServo feed drives, gauging sensors

Table 2. Double Row Stud Roll Former Parts Overview

Customizing Double Row Stud Lines

Specialized structural stud requirements involve custom roll forming solutions including:

AreaCustomization Possibilities
Profile geometryUnique vertical web height, horizontal flange sizes
Flange countsBeyond traditional double rows, additional protrusions
Width capacityMachines accommodating over 1.5m part widths
Tooling materialsCustom metal alloys tailored for niche sheeting grades
Added operationsHole punching, tapping, offset notch cuts
AutomationAdvanced servo controls and monitoring
Material handlingDecoiler, exit conveyor, pack table options
Data loggingAdvanced gauge stats, predictive maintenance
SafetyExpanded guarding, maintenance platforms

Close collaboration between engineers and roll tooling specialists enables specialized stud profiles.

double rows stud roll forming machine
Double Rows Stud Roll Forming Machines 11

Double Row Stud Roll Former Pricing and Suppliers

ManufacturerLocationPrice Range
Gasparini SPAItaly$$$
Hangzhou Roll FormChina$$
Zhejiang New ShengdaChina$$

Table 3. Double Row Stud Roll Forming Equipment Suppliers and Prices

Cost ranges span from $10,000 for elementary Chinese machinery up to $300,000+ for sophisticated American lines engineered for high production environments.

Operational Procedures for Double Row Stud Roll Lines

Efficient ongoing operation procedures include:

SetupStage strip coils, thread through stands, set feed rates, test run profiles, finalize calibrations
OperationMonitor sheet tracking/alignment, confirm output dimensional uniformity via gauging, log any errors
MaintenanceReplace worn rollers, lubricate bearings/slides, calibrate automation controls

Table 4. Double Row Stud Roll Former Procedures

Schedule preventative maintenance appropriately to minimize unplanned downtime. Continuously inspect output profile correctness.

Comparison Factors for Double Row Stud Roll Equipment

Annual volume targetsMatch acceptable process speeds to output needs
Part dimensionsCheck against machine width capacities and die access
Material propertiesStrength, allowable thickness range
Added operationsRequirements for hole punching/notching
Budget constraintsThroughput objectives vs capital outlays
Location factorsAvailable qualified global machinery supply sources
ScalabilitySecondary future tooling, capacity increases

Analyze current and future projection requirements against machine specifications and supplier expertise.

Evaluating Pros and Cons of Double Row Stud Lines

High speed continuous processingInitial machinery capital investments
Consistent uniform output stud 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. Double Row Stud Roll Former Benefits vs Limitations

When applied appropriately for sufficient volumes, roll forming offers clear manufacturing performance advantages over alternate fabrication approaches.


What thickness range can double rows stud roll formers handle?

Standard models process material thicknesses from 0.75mm – ~5mm hot rolled coils and galvanized sheet products. Thinner gauges depend on required bend radii while thickness equates to drive power.

How fast do these machines operate?

Typical production line speeds averaging 10-15 meters per minute enable rapid processing suited for most structural metal stud volume requirements. Appropriate feed power settings prevent tearing.

What expertise is recommended for operation?

Some automation eases skill requirements, however mechanical fabrication experience proves helpful for optimizing output through procedural adjustments and troubleshooting quality issues.

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