Обзор оборудования для формовки ферм

Truss roll forming machines are essential equipment for manufacturing metal trusses efficiently. This guide provides a detailed overview of truss roll forming machine types, main components, specifications, applications, installation, operation and maintenance. It also includes tips for choosing suppliers, cost considerations, and pros and cons of different truss roll forming systems.

Обзор оборудования для формовки ферм

Roll forming is a continuous bending operation in which sheet or coil steel is progressively shaped as it passes through consecutive sets of rollers until the desired cross-sectional profile is obtained. Roll formed sections have high dimensional accuracy and consistency.

Truss roll forming machines are designed specifically to produce metal trusses used extensively in construction, usually with triangular webs and chord sections. The automated roll forming process allows mass production of trusses in a variety of configurations, sizes and materials.

The main advantages of truss roll forming are:

  • Highly efficient process with low labor requirements
  • Постоянное качество и точность размеров
  • Minimal scrap loss compared to other truss fabrication methods
  • Flexible production of different truss designs and sizes
  • Relatively low equipment cost compared to other automated options

The limitations are lower line speed versus other processes, and limited to long, straight truss sections. Materials commonly used are galvanized steel, stainless steel and aluminum.

Truss Roll Forming Machine Types

There are two main types of truss roll forming machines:

Стандартные валковые формовщики

  • Produce single-web trusses with C or U-shaped chord sections
  • Fixed forming stations with common top and bottom roll sets
  • Manual or powered section feeding
  • Simplest and most economical option

Gantry Roll Forming Systems

  • Produce multi-web trusses with complex web and chord shapes
  • Roll stations mounted on moving gantry above section
  • Automated section feeding from coil
  • Provide most flexibility for profile designs

Main Components of Truss Roll Forming Machines

Truss roll forming machines typically consist of the following main components:

РазматывательFeeds raw coil stock into line at constant tension
Feed tablesSupport and guide sheet through inline stations
Станции формовкиContain top and bottom roll sets that gradually shape the profile
ПерфораторыPunch holes in web and chord sections
Shearing deviceCuts sections to length at production speed
Система контроляControls roll sets and material feed
Конвейер/штабелерCatches and stacks finished trusses

Additional secondary components like decoilers, levelers, notching presses etc. may be integrated into the line per application requirements.

truss roll forming machine
Overview of Truss Roll Forming Machines 4

Truss Roll Forming Machine Specifications

Truss roll forming machines vary widely in production speed, size capabilities and other parameters based on the design and budget. Typical specifications are outlined below:

Скорость линии16 – 164 feet/min
Web depth capacity4 – 24 in
Chord thickness18 ga – 3/16 in
Пробивка отверстий1/4 – 3/4 in diameter
Расстояние между отверстиями6 – 12 in
Hole patternTriangular or rectangular
Допуск на длину+/- 1/16 in
Масса6,000 – 60,000 lbs
Длина30 – 300 ft

Higher end gantry type truss roll forming machines can accommodate depths up to 5 feet and thicknesses up to 5/16 inches. They can also punch oversize holes up to 2 inches for utility access. The maximum single section length depends on the layout but can reach up to 60 feet.

Choosing Truss Roll Forming Machines

The main factors to consider when selecting a truss roll forming machine are:

  • Required truss specifications – web depth, chord thickness, hole size/pattern etc.
  • Объем производства – impacts line speed, number of forming stations etc.
  • Бюджет – standard roll formers are most economical
  • Flexibility for future designs – gantry systems offer most versatility
  • Тип материала – galvanized steel, stainless or aluminum
  • Ограничения по площади – length, height and layout requirements
  • Уровень автоматизации – manual vs. powered material handling
  • Integration with other processes – cut-off, stacker, LVL line etc.

Work closely with truss roll forming machine manufacturers to determine the best solution matching your production needs and budget constraints.

Applications and Uses of Truss Roll Forming Machines

Truss roll forming is commonly used to manufacture:

  • Metal plate web trusses for roofs and floors
  • Lattice girders for bridges and towers
  • Triangular web joists as an alternative to wood trusses
  • Industrial storage racks, platforms, mezzanines
  • Scaffolding structures
  • Agricultural and aviation hangars
  • Mining infrastructure
  • Stadiums and large industrial buildings

Any application requiring repetitive structural triangular truss frames and braces are well suited for automated roll forming production.

Advantages of Truss Roll Forming Machines

Key benefits of using roll forming to fabricate metal trusses:

  • Высокая производительность – capable of producing over 5,000 feet per shift
  • Постоянное качество – eliminates human error in fabrication
  • Lower labor costs – operates with 1-2 workers only
  • Экономия материалов – less scrap vs. cutting individual truss parts
  • Гибкость – fast changeovers between designs and sizes
  • Компактный размер – reduces factory space requirements
  • Безопасность – minimal direct human involvement avoids injuries

For high volume truss requirements, roll forming is the preferred manufacturing process.

truss roll forming machine
Overview of Truss Roll Forming Machines 5

Limitations of Truss Roll Forming Machines

The main limitations are:

  • Высокая первоначальная стоимость – gantry systems can cost over $500,000
  • Fixed sizes – changes require mechanical reconfiguration
  • Straight sections only – cannot produce angles or curves
  • Lower speeds – max 164 ft/min versus other methods
  • Large space – machines may occupy over 300 feet
  • Specialized skill – technicians required for setup and maintenance

Roll forming is most cost-effective at over 100,000 feet of production per year.

Installation and Setup of Truss Roll Forming Equipment

Proper installation and setup is key to achieving specified tolerances and performance. Below are general guidelines:

  • Foundation must be flat and level – use jack bolts to make precise adjustments
  • Infeed and outfeed tables must be perfectly inline with roll stations
  • Roll sets should be independently adjustable for precision alignment
  • Test run initial pieces and make any position adjustments
  • Perform first full production run and check key dimensions
  • Make any necessary forming pressure or feed rate changes
  • Re-tighten all bolts after initial operation
  • Schedule preventive maintenance every 6 months

Work closely with the machine manufacturer’s technicians for the initial installation and setup.

Operation and Maintenance of Truss Roll Forming Machines

Day-to-day operation guidelines include:

  • Inspect raw material – verify within thickness tolerance
  • Monitor stations for overheating – adjust pressure as needed
  • Randomly check key dimensions – web depth, chord width etc.
  • Watch for deformations or cracking – stop immediately if observed
  • Clean equipment of metal dust buildup weekly
  • Lubricate bearings, gears and rollers as specified
  • Inspect electrical, hydraulics and pneumatics routinely
  • Выполнение профилактического обслуживания в соответствии с графиком

For maximum productivity and part quality, follow the equipment manufacturer’s detailed operating and maintenance procedures.

Tips for Choosing a Truss Roll Forming Machine Supplier

Here are key factors in selecting a truss roll forming machine supplier:

  • Experience designing and building the required capacity and features
  • Offer equipment within your budget constraints
  • Have installed similar lines in your geographic area
  • Provide turnkey services – design, fabrication, installation
  • Have in-house engineering staff for development
  • Offer flexible purchasing options – buy, lease, rent
  • Can provide references from existing customers
  • Provide training on operation and maintenance
  • Have regional presence for service and support
  • Offer upgrades and capability expansion options

Taking the time to thoroughly evaluate suppliers using these criteria will help pick the right partner for your long-term needs.

Truss Roll Forming Machine Cost Considerations

Truss roll forming equipment represents a major capital investment. Key factors impacting cost include:

ФакторВлияние на стоимость
Скорость линииFaster speeds increase cost
Длина линииLonger lines cost more
Уровень автоматизацииMore automation increases price
Gantry vs. fixed stationsGantry machines cost substantially more
Capacity – depth, thicknessHigher capacities increase cost
Additional processingIntegration of punching, notching etc. add cost
Средства управленияMore advanced controls add cost
Service packagesInstallation, training etc. services add cost

Ballpark investment ranges:

  • Manual roll former: $75,000 – $150,000
  • Standard automated: $150,000 – $350,000
  • Gantry system: $300,000 – $1,000,000

Getting multiple quotes from several suppliers is advised to get the best value.

truss roll forming machine
Overview of Truss Roll Forming Machines 6

Pros and Cons of Truss Roll Forming Machines

Fast, efficient, high volume productionHigh initial equipment cost
Consistent and accurateInflexible for design changes
Minimal scrap and material wasteLimited to straight sections
automated process needs few workersRequire large factory space
Flexible for different specificationsComplex maintenance requirements
Compact compared to other methodsSignificant long term investment

Часто задаваемые вопросы

Below are answers to some common questions about truss roll formers:

Q: What types of trusses can be produced on roll forming machines?

A: Most standard truss designs with triangular webs and C/U channel chords up to 24″ deep can be roll formed. Gantry machines can produce more complex or custom truss and joist shapes.

Q: What are the ideal production volumes for roll formed trusses?

A: Roll forming is optimized for high volumes, typically over 100,000 linear feet per year to justify the equipment investment. It is less suited for small batch or custom truss production.

Q: How quickly can truss roll forming machines be changed over to new designs?

A: On fixed station machines, it may take 8-12 hours to change over roll sets and tooling. On gantry machines with quick-change tooling, set up may take only 1-2 hours.

Q: What expertise is required to operate truss roll forming equipment?

A: The equipment can be run with 1-2 semi-skilled operators per shift. Mechanics are needed for maintenance and roll changes. Programming knowledge is required for the control system.

Q: What safety measures are required for truss roll forming machines?

A: Equipment should be fully enclosed with interlocks on doors. Workers should wear protective gear. Additional safety measures may be needed per local regulations.

Q: Can other processing like punching be integrated into the truss roll forming line?

A: Yes, punching units for web holes and notching presses for service cutouts can be integrated in a single automated production line.

Q: Can truss roll forming machines produce curved or angled trusses?

A: No, roll forming is limited to straight or planar truss sections only. For curved profiles, other processes like break press are required.

Q: What factors determine the maximum production speed of truss roll forming machines?

A: The overall line speed depends on uncoiler capacity, number of stations, material thickness, hole punch time, and desired quality level. More stations or thicker material require slower forming speeds.


Truss roll forming machines offer an efficient automated process to mass produce metal truss framing for construction projects. Their advantages in productivity, quality and cost make them a popular fabrication method for high volume requirements. Carefully selecting the right equipment based on production needs and working closely with suppliers will ensure successful implementation. Proper installation, operation and maintenance procedures must be followed to optimize performance.

узнать больше Вальцевание


Подписывайтесь на нас

Поделиться этой записью

Самый популярный


Любой вопрос? Свяжитесь с нами сейчас

На ключ

Похожие сообщения

Mould Cutting Downpipe Roll Forming Machine

A mould cutting downpipe roll forming machine continuously forms metal coil strip into round, square or rectangular downspout drainage profiles for roofing and construction water runoff applications. Overview of Mould Cutting Downpipe Roll Formers Mould cutting downpipe roll formers produce

Читать далее "

китайские поставщики валковых формовочных машин

Валковая формовка находит широкое применение при производстве металлических конструкций и готовых деталей в различных отраслях промышленности по всему миру - этот процесс позволяет конкурировать с использованием интегрированных автоматизированных линий, производимых внутри китайских промышленных кластеров. В данном руководстве рассматриваются основные китайские поставщики оборудования для формовки валков по следующим направлениям

Читать далее "

Стальной ящик слайд кусок ролл формовочные машины

Станки для формовки стальных выдвижных ящиков непрерывно формируют рулонный металл в готовые профильные компоненты для мебели и складских изделий. В данном руководстве рассматриваются типы, компоненты, процессы, настройки, эксплуатация и техническое обслуживание станков для изготовления выдвижных ящиков. Сталь

Читать далее "