Tipos de máquinas perfiladoras de ángulo de acero

Visión general

Angle steel roll forming machines are used to continuously bend metal coil into various angle steel sections and profiles for structural construction applications. They form 90-degree angles as well as custom angled corners.

Roll forming uses a series of consecutive pairs of roller dies to gradually bend the strip steel into the desired cross-sectional shape as it passes through the machine. The rollers apply pressure progressively to avoid sudden stresses and fractures in the material.

Compared to other bending methods, roll forming is highly efficient and economical for producing large volumes of angle steel parts in long lengths. It requires minimal material preparation and finishing work. The process is also highly customizable for creating specialized angle sections based on application requirements.

Key Details of Angle Steel Roll Forming Machines:

  • Used for mass production of various angle steel sections like equal leg angles, unequal leg angles from coil strips
  • Rollers bend the steel gradually through a series of stages into the angle shape
  • Automated machines with very high output capacity up to 120 m/min
  • Input material is steel coil which is continuously fed into the roll former
  • Formed angle steel comes out continuously in long lengths as per order requirement
  • Highly customizable roll tooling profiles for making special angle sections
  • Better quality and precision compared to other bending methods
  • Minimal finishing work required after roll forming process

Tipos de máquinas perfiladoras de ángulo de acero

FijadoBasic roll forming system with fixed forming rollers in a linear layout
AjustableRollers are adjustable for size changeovers and profile variations
CageRollers enclosed in individual housings assembled in sequence
PyramidRollers configured in a pyramid arrangement for multi-angle production
PortátilCompact and movable roll former for on-site installation

Fixed: The basic type where the roll forming stands holding the roller dies are fixed in position in a straight-line layout. It can produce a single angle profile in high volumes but requires changing the entire roller sets for new profiles.

Adjustable: This allows adjusting the relative positions of roller stands incrementally to account for material springback and make fine tuning of profiles. Individual rollers can also be adjusted.

Cage: Each roller stand is enclosed in a robust individual housing assembled in the inline forming sequence. This offers protection and safety with flexible adjustment options.

Pyramid: Here the roll forming stands are arranged in a pyramid-like layout so multiple angle configurations can be formed simultaneously by splitting the material flow.

Portable: Lightweight and compact roll formers which can be relocated. Useful for on-site installation and small production runs.

angle steel roll forming machine
Angle Steel Roll Forming Machine Types 4

Angle Steel Roll Forming Machine Characteristics

Material de moldeoMild steel, stainless steel, aluminum coils
Espesor del material0.3 – 3 mm typically
Finished Part LengthUp to 40 m long angles
Anchura Capacidad50 – 800 mm normally
Angle Leg SizeEqual or unequal legs from 15 – 180 mm
Radio de curvatura interiorTypically 1 – 2 x material thickness
Velocidad de rodaduraUp to 100 m/min
Tasa de producción10 – 120 meters per minute
  • Coil strips of mild steel, galvanized steel, stainless steel and aluminum can be roll formed.
  • Standard thickness capacity is 0.3 to 3 mm but larger thickness is possible.
  • Formed angles can be made in lengths of up to 40 meters non-stop.
  • Width capacity ranges from 50 mm to 800 mm depending on machine model.
  • Both equal leg angles as well as unequal leg angles are possible. Leg sizes range from 15 to 180 mm.
  • Inside bend radius is usually 1-2 times the material thickness to avoid cracking.
  • High rolling speeds of up to 100 m/min are possible with some tiers.
  • Production output rates vary from 10 – 120 m/min depending on the profile.

Angle Steel Profile Types

Forma del perfilCaracterísticasAplicaciones
Equal leg anglesLegs of equal size at 90 degreesStructural frames, supports
Unequal leg anglesLegs of different sizesSpecial connections
Lipped anglesOne leg extended outwardSliding contacts, tracks
Post anglesOne shortened legFencing, railing posts
Varying anglesLegs at other anglesDecorative features

Equal leg angles: Most common type with legs of the same size perpendicular to each other. Used in construction frames, supports, foundations etc.

Unequal leg angles: Have legs of differing lengths to suit specific joint requirements. Used where asymmetric connections are needed.

Lipped angles: One leg is extended outward to form a lip or flange. Used for sliding contact surfaces like door tracks.

Post angles: One leg is shortened to create an offset. Used for fence posts, railing posts sunk into the ground.

Varying angles: Legs can be rolled at any desired angles for special decorative applications.

Angle Steel Roll Forming Machine Specifications

EspecificaciónValores típicos
Potencia5.5 – 55 kW motor
Velocidad de formación10 - 120 m/min
Portarrollos10 – 24 stands
Tamaño del rodilloΦ100 – Φ220 mm diameter
Material del rodillo45# steel, induction hardened
MarcoWelded mild steel plates
AutomatizaciónPLC control, servo motors
Tamaño de la máquina8000 x 1200 x 2200 mm (LxWxH)
Peso de la máquina8000 - 15000 kg
  • Main drive motor capacity from 5.5 kW to 55 kW
  • Maximum rolling speed up to 120 m/min depending on the profile
  • 10 to 24 roll stands needed for complete sequential forming
  • Roller diameters between 100 – 220 mm normally with hardened surfaces
  • Rollers made from 45# steel and induction hardened for durability
  • Robust welded mild steel plate frames
  • Automated forming process using PLC and servo motor drives
  • Machine dimensions approx. 8000 mm long x 1200 mm wide x 2200 mm height
  • Weight ranges from 8000 kg for smaller units to 15000 kg for heavy-duty models

Angle Steel Roll Forming Machine Standards

EstándarPuntos clave
ISO 9001Sistema de gestión de la calidad
ISO 14001Environmental management compliance
CEEuropean safety and performance certification
§5 of EN 1010Safety requirements for design and construction
EN 12643Tolerances and dimensions
EN 10111Material grades and compliance
  • International quality standard for design, manufacturing, production and service
  • Certified environmental management system responsible disposal and waste reduction processes
  • Mandatory certification for safety and performance benchmarks in Europe
  • Strict structural safety norms for machine body construction
  • Dimensional accuracy and tolerance limits of finished angle steel
  • Specifies material grades for coils used and product compliance

Angle Roll Forming Machine Suppliers

ProveedorUbicaciónRango de precios
Botou XianfaChina$5000 – $30000
JouanelFrancia$10000 – $50000
GaspariniItalia$20000 – $100000
LMS MachinesREINO UNIDO$15000 – $60000
MetformEE.UU.$8000 – $45000
  • Botou Xianfa: China based manufacturer offering cost-effective roll forming solutions from $5000 to $30000
  • Jouanel: French engineering company providing high-end roll formers from $10000 to $50000
  • Gasparini: Italian brand with innovative roll forming machines costing $20000 to $100000
  • LMS Machines: British industrial equipment maker with machines between $15000 to $60000
  • Metform: American player providing easy-to-use roll formers priced at $8000 to $45000
angle steel roll forming machine
Angle Steel Roll Forming Machine Types 5

Angle Steel Roll Forming Machine Pricing

CapacidadPotencia del motorVelocidadRango de precios
Pequeño5.5 – 7.5 kW10 - 20 m/min$5000 – $15000
Medio15 – 22 kW40 – 60 m/min$15000 – $35000
Grande30 – 55 kW80 – 120 m/min$30000 – $100000
  • Pequeño: Entry-level roll forming capacity with speeds of 10-20 m/min priced from $5000 to $15000
  • Medio: Mid-range roll forming output of 40-60 m/min available from $15000 to $35000
  • Grande: Heavy-duty high speed roll forming up to 120 m/min priced between $30000 to $100000

Angle Steel Roll Forming Machine Installation

Preparación del terrenoEnsure flat and level floor, 3-phase power supply, sufficient working space
PosicionamientoUse forklift or crane to place machine at desired location
NivelaciónAdjust machine stands to ensure machine is plumb and horizontal
Power connectionConnect machine to suitable 3-phase power supply through isolator
Safety checkVerify correct installation of safety guards and devices
Machine testingTest run the machine and make any calibrations needed
Trial operationRun production trials and inspect sample angles to validate quality
  • Prepare site by ensuring a flat and rigid floor, availability of 3-phase electrical supply and enough working space around the machine.
  • Use forklift or overhead crane to place the machine unit at the intended operating location.
  • Adjust the machine stand legs to level the roll former precisely in a horizontal position.
  • Electrical connections have to be made to a suitable 3-phase power supply through an isolator switch.
  • Examine safety guards, emergency stops and sensors to confirm correct installation.
  • Test run the empty machine and make any roller adjustments needed to achieve design profiles.
  • Conduct trial production runs while inspecting the angle quality periodically to verify performance.

Angle Steel Roll Forming Operation

Material loadingLoad coil strips at unwinding station ensuring smooth payoff
AlimentaciónFeed leading edge of coil through initial forming stands
Parameter settingsInput production speed, size settings, quantity required into the control panel
Process monitoringMonitor forming process and inspect finished angles
Output cuttingCut off formed angles at desired length using end shear
Material unloadingOffload finished angles carefully using appropriate means
  • Coil material has to be loaded at the rear unwinding station ensuring its smooth payoff.
  • Lead the coil end through the initial forming rollers to start the process.
  • Input the production parameters like speed, size settings and required order quantity via the machine control panel.
  • Keep observing the roll forming process and inspect quality of finished angles at outlet.
  • Cut off completed angle lengths at the specified dimension using the end shear.
  • Carefully unload the finished angle pieces using lifting equipment or conveyors.

Angle Steel Roll Forming Maintenance

AjusteSegún sea necesario
Roller changeAnualmente
Hydraulics serviceAnualmente
Machine overhaul3-5 years
  • Inspect the machine daily checking for any abnormal noises or malfunctions
  • Clean the accumulating dirt and metal dust on a weekly basis.
  • Lubricate the machine components like bearings using appropriate lubricants monthly.
  • Make any adjustments to rollers or forming process as needed.
  • Replace rollers at least annually as per wear and tear during production.
  • Service hydraulic power pack and pistons annually for smooth functioning.
  • Complete machine overhaul recommended every 3-5 years by the manufacturer.

How to Choose Angle Steel Roll Forming Machine

Necesidades de producciónConsider current and future production volume requirements
Angle profilesTypes of angle sections and sizes to be produced
Tipo de materialGrade of steel coil strip to be roll formed
Necesidades de automatizaciónLevel of automation features desired for ease of operation
PresupuestoOptimize specifications as per budget constraints
Manufacturing standardsEnsure international quality and compliance certification
Servicio postventaReview availability of technical support for maintenance
  • Analyze present and projected production volume needs and angle steel demand
  • Choose machine capable of delivering the required angle profiles and sizes
  • Consider the grade of input steel coil to be used – mild, stainless, etc.
  • Determine automation needs for minimizing operator intervention
  • Optimize specifications to get best value equipment within budget limits
  • Verify international quality and safety standards compliance
  • Ensure manufacturer provides responsive after-sales service support

Angle Steel Roll Forming Machine Pros and Cons


  • Highly efficient continuous bending operation
  • Consistent and precise angle sections in long lengths
  • Minimal secondary processing required after roll forming
  • Customizable profiles by adjusting roller dies
  • Automated for high productivity with less manpower
  • Compact layout requires less space than other bending processes
  • Lower tooling costs than other bending methods


  • Not economical for small production quantities
  • Limited thickness and size capacities
  • Es necesario cambiar el utillaje de los rodillos para los nuevos perfiles
  • Skilled personnel needed for maintenance and operation
  • High initial capital investment for machine and tooling
  • Limited capability for specialized bending applications

Angle Steel Roll Forming vs Other Methods

Plegado con plegadora– Slower batchwise operation <br> – Limited length parts <br> – Higher tooling cost <br> – More secondary finishing <br> – Lower automation suitability
Section Bending– Discontinuous production <br> – Inconsistent bend quality <br> – Size limitations <br> – Higher operational labor
Rotary Draw Bending– Sequential batch production <br> – Material gripping marks <br> – Difficult oval corrections <br> – Only short to medium lengths
  • Prensas plegadoras: segmented batch production. Roll forming faster and lower cost.
  • Section Bending: inconsistent bends requiring more correction. Automated roll forming superior.
  • Rotary Draw: sequential bending leads to marking. Roll forming better for long angles.
angle steel roll forming machine
Angle Steel Roll Forming Machine Types 6

Preguntas más frecuentes

Q: What are the different types of angle steel profiles that can be produced?

A: The common profiles include equal leg angles, unequal angles, lipped angles, post angles and custom angles of varying dimensions. Roll tooling can be designed to produce different profiles.

Q: What level of precision and tolerance can be achieved?

A: Roll formed angles can achieve a dimensional accuracy up to ±0.5 mm and angular tolerance of ±1° along 20 m length. The tolerance depends on material grade and machine rigidity.

Q: What is the typical inside bend radius of roll formed angles?

A: The inner radii are usually 1 to 2 times the material thickness. A smaller radius increases the chances of cracking during bending.

Q: How frequently are the roll dies changed for different profiles?

A: Roll dies may need changing weekly, monthly or yearly depending on production variety. Quick roll change designs reduce profile changeover time.

Q: What safety measures are incorporated in these machines?

A: Standard safety features include emergency stop buttons, electrical safety cut-outs, overload protection, safety guards, sensors and alarms.

P: ¿Qué actividades de mantenimiento son necesarias?

A: Major tasks are daily inspection, regular lubrication, cleaning, roll replacement, hydraulic system overhaul and full machine refurbishing every few years.

Q: What is the typical production capacity of these machines?

A: Production output ranges from 10 to 120 meters of finished angle per minute. Higher capacities of above 100 m/min are possible with advanced roll formers.

Q: What expertise is needed to operate angle roll forming machines?

A: Operators require basic technical training to master control settings, material feeding, visual inspection skills and routine maintenance activities.

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