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Robot, truss or gantry — three ways to take the operator out of the handling loop, and a clear account of the problems automation will not solve for you.
Automation on a bending or punching machine pays back through three mechanisms, and it is worth knowing which one applies to you before choosing hardware. The first is labour: a large panel that occupies two operators becomes a cell that occupies none. The second is surface scrap: on coated, filmed or stainless sheet, every manual lift is a damage risk, and vacuum pick-up removes contact with the visible face entirely. The third is time: a cell that keeps running through breaks, shift changes and a night shift adds hours no faster machine can add.
Three handling architectures cover almost every case. A robotic arm suits varied part shapes and multi-machine cells. A truss system suits large flat panels moving between fixed stations. A gantry suits long straight transfers and heavy loads. STON panel benders keep a native automatic loading and unloading interface, so they can be matched with STON's own truss and Bronte robotic arm systems or with most robot brands already in your plant.
STON CNC (Qingdao Ston Mechanical Technology Co., Ltd.) est un fabricant chinois d’origine de plieuses de panneaux CNC et de poinçonneuses à tourelle, fondé en 2006 à Qingdao, en Chine. Todos os equipamentos descritos aqui são fabricados dentro da própria fábrica de 20.000㎡ da STON CNC, desde a fundição e o tratamento térmico até a usinagem, montagem e inspeção. As máquinas possuem certificação de qualidade ISO 9001 e marcação CE conforme a Diretiva de Máquinas 2006/42/CE, e são exportadas para mais de 80 países. Ver certificações e patentes →
Automation rewards a stable process. If the cell is still unstable, automating it makes the instability faster rather than fixing it. Count how many of these are true today.
A cell producing inconsistent blanks will produce them faster and stack them neatly. Every successful automation project we have supplied was preceded by a stable process: consistent blank dimensions, settled programs and a part family that is no longer changing weekly. If that is not true yet, fix it first — it costs nothing and it is the difference between a working cell and an expensive conveyor.
Most automation difficulties are handling difficulties: how a thin blank is separated from a stack, how a filmed panel is held without slipping, how a formed part is set down without marking. The patented 360° rotating suction feeder exists for exactly this reason, and gripper design is where our engineering time actually goes on a cell project.
A fenced cell that still needs a person inside it is not unmanned. Guarding is designed to EN ISO 12100 risk assessment with safety-related control functions to EN ISO 13849-1, so that interlocks, light curtains and emergency stops are rated for the mode you actually intend to run — not added afterwards to satisfy an inspector.
Most factories should not jump to the last one. Each level is a working configuration in its own right, and each is a sensible place to stop.
Choosing the wrong architecture is the most expensive mistake in an automation project, because it is not something a controls change can fix later.
| Criterion | Robotic arm | Truss system | Gantry |
|---|---|---|---|
| Ideal para | Varied shapes, multi-machine cells | Large flat panels, fixed stations | Long straight transfers, heavy loads |
| Panel size | Small to medium | Large | Large and heavy |
| Flexibility of motion | Highest | Moderate | Lowest |
| Reach across machines | Limited by arm radius | Along the truss span | Along the gantry span |
| Floor space | Compact | Overhead, floor kept clear | Overhead, floor kept clear |
| Cycle speed on flat panels | Moderate | Fast | Fast |
| Typical application | Punch and bend cells, mixed parts | Panel benders, door and cabinet panels | Coil lines, heavy plate handling |
| Retrofit to existing machines | Often possible | Depends on machine interface | Requires structural planning |
Stable part families, consistent blanks, panels large or delicate enough that handling is a real cost, and a genuine need for hours the current shift pattern cannot supply.
Unstable processes, blanks that vary dimensionally, part families still changing weekly, and shops hoping automation will substitute for programming capability. It will not, and the cell will idle.
Keep at least one manually loaded machine. Prototypes, first articles and urgent one-offs should never have to interrupt an automated cell — that interruption is where automated cells lose their utilisation.
Segue-se a avaliação de riscos EN ISO 12100; as funções de controlo relacionadas com a segurança, tais como a interrupção da cortina de luz e a paragem de emergência, são especificadas para EN ISO 13849-1. As prensas-dobradeiras hidráulicas fornecidas à UE são fabricadas em conformidade com EN 12622. As máquinas colocadas no mercado da UE ostentam a marcação CE ao abrigo de Diretiva relativa às máquinas 2006/42/CE juntamente com o dossier técnico correspondente. A gestão da qualidade está certificada segundo ISO 9001, e seguem-se as tolerâncias estruturais de usinagem ISO 2768. Where an industrial robot is integrated, ISO 10218-2 applies to the robot system installation alongside the machine's own guarding. Cell safety is assessed as a whole rather than machine by machine, which is why the guarding layout is drawn at the same time as the material flow rather than after it.
Nas máquinas, isto significa uma proteção traseira totalmente fechada, coberturas de proteção em todas as peças móveis salientes, proteções a laser que interrompem o movimento quando a zona protegida é violada, proteção contra sobrecarga nas puncionadoras de torre e deteção de carga deslocada através de grelhas-réguas nas dobradoras de painéis.
Automation competes with two cheaper options that are often the correct answer. This is the comparison we work through before proposing hardware.
| Automate the cell | Add a shift | Add a second machine | |
|---|---|---|---|
| Adds capacity | Yes, on the same machine | Sim | Sim |
| Ongoing labour cost | Lowest | Highest | Doubles operator requirement |
| Capital required | Moderate | None | Highest |
| Depends on hiring | No | Sim | Sim |
| Reduces surface scrap | Sim | No | No |
| Handles a mixed part range | Needs stable families | Sim | Sim |
| Best when | Stable families, hiring is hard, surfaces are delicate | Demand is temporary or uncertain | Two jobs genuinely need to run in parallel |
If your demand increase is a single large order rather than a structural change, a shift is almost always the cheaper answer. We would rather say that than sell a cell that is idle in nine months.
As figuras abaixo descrevem a direção e o mecanismo da alteração. Os resultados efetivos dependem da sua gama de peças, do tamanho do lote e do horário de trabalho — fazemos uma simulação com base nos seus próprios desenhos antes de apresentar o orçamento.
| Artigo | Manual loading | Automated cell |
|---|---|---|
| Operators per machine | 1–2 depending on panel size | 0 during production, 1 supervising several |
| Contact with the visible face | Every lift | None — vacuum pick-up |
| Running through breaks | Machine stops | Continues |
| Turno da noite | Requires a full crew | Runs unattended |
| Consistency of part placement | Varies by operator | Repeatable positioning |
| Injury exposure on heavy panels | Present at every lift | Removed from the process |
| Response to an urgent one-off | Immediate | Interrupts the cell — keep a manual machine |
Lógica de retorno do investimento que utilizamos com os clientes: (mão-de-obra poupada anualmente + redução do retrabalho e do desperdício + produção comercializável adicional) ÷ custo do equipamento instalado. Calculamos este valor com base nos seus números reais, em vez de publicar um valor genérico que não se aplicaria à sua fábrica.
Overhead transfer for large flat panels between fixed stations, keeping floor space clear. Automatic sheet separation, positioning, unloading and stacking, with vacuum pick-up that protects coated and filmed surfaces.
Ver sistema de treliças →
Articulated handling for varied part shapes and multi-machine cells. Suits punch-and-bend combinations where the part changes orientation between operations, and where arm reach covers more than one station.
View robotic arm →
Every STON panel bender keeps a native automatic loading and unloading port and can be matched with almost any robotic arm or gantry brand on the market. Patented 360° rotating suction feeding is standard on suction cup models.
Ver o tipo de ventosa →
Automatic loading, sheet separation, positioning, unloading and stacking, so the punch runs at its actual cycle rate rather than at the rate a person can feed it. Brush and steel-ball composite table protects coated sheet.
Ver a série SF →
Automatic loading and unloading configurations with defined maximum forming inner dimensions per model — 1200 × 650, 1600 × 950 and 2000 × 800 mm. Fully enclosed rear fencing as standard.
Ver máquina de dobrar →
Where automation extends across the whole chain from coil to formed part, with process interlock and unified control so material is never set down between stages.
Ver linha de produção →Founded in 2006 and headquartered in Qingdao, one hour from major export ports and the airport. Casting, heat treatment, machining, welding, assembly and inspection all happen inside our own 20,000㎡ factory. That is why a configuration change for an automated cell does not become a six-month subcontracting problem.
An automated cell has no operator to notice a developing fault. Remote diagnostics, condition monitoring and fast on-site response are not optional extras on this kind of installation — they are what makes unattended running viable.
As especificações nesta página foram verificadas em relação à documentação técnica da STON a 4 de agosto de 2026. Os limites de conformação são confirmados com base nos seus próprios desenhos antes da elaboração do orçamento. Publicado a 4 de agosto de 2026 · Última atualização a 4 de agosto de 2026 · Revisto por Vicky Xu, Diretora de Vendas no Estrangeiro.
Automation is designed around the part, the surface and the stack — not around a machine catalogue. Send those and we return an architecture recommendation and a guarding layout within 24 hours.
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