Safe Sheet Metal Bending Machine
The safe sheet metal bending machine is a specialized processing equipment for bending and forming safe cabinets and side panels. Safe sheet metal parts are characterized by thick sheet metal (typically 1.2-1.5mm or more), multiple bending passes (multiple bends required on a single side), and irregular shapes. This machine uses upper and lower molds to bend flat sheet metal into the complex cross-sectional shape required for safe side panels in a single operation. It offers high bending precision, high efficiency, and no damage to the workpiece surface. Only one operator is needed, with a production speed of 1-2 safes per minute and a daily output of 800-1200 safes.
Technical Specifications
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Product Name |
Safe Sheet Metal Bending Machine |
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Material Specifications |
Q235 cold-rolled strip steel, galvanized strip steel |
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Material Thickness |
1.2→1.5mm (customizable) |
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Production Speed |
1-2 pieces/minute |
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Production Specifications |
Box Size: 300*400--1800*2000 (customizable) |
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Box Depth |
Customizable |
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Voltage Parameters |
380V/415V, 50Hz, 3-phase |
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Air Source |
0.5 m³/Min; Pressure: 0.7MPa |
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Roll Material |
Cr12 CNC machined; quenched to HRC58°-60° hardness |
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Drive Motor |
Variable frequency motor drive |
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Total Motor Power |
25kW |
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Cutting Die Material |
Cr12MoV |
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Transmission Mode |
Gearbox |
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Cutting Method |
Hydraulic cutting |
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Cutting Dimension Tolerance |
≤ ±0.5mm (Length ≤1000mm) |
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Operating System |
Touchscreen HMI |
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Electrical Control |
Mitsubishi PLC program control |
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Footage Space |
28*2*3 meters (length×width×height) |
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Product Advantages
Complex Cross-Section Forming in One Step, No Secondary Processing Required
Safe side panels require four bends to form a complete cross-sectional profile, a process traditionally involving multiple steps. This equipment uses specialized forming molds with precisely matched stamping ends and grooves on the upper and lower molds, enabling the processing of a complex cross-section with four bends in a single bend. This results in high precision, high efficiency, and no damage to the workpiece surface, eliminating the need for secondary manual processing.
Symmetrical Dual-Mold Design, Doubling Efficiency
The equipment employs a symmetrical design with two upper molds and two lower molds, allowing for the simultaneous bending of two workpieces, doubling the efficiency compared to traditional single-mold methods. More importantly, the symmetrical design completely cancels out the horizontal force component of the mold during bending, leaving only downward pressure on the workpiece, which improves bending accuracy and mold life.
Anti-Offset Ejector Structure Ensures Bending Accuracy
The two ends of the safe side panels need to be bent simultaneously, making it impossible to use conventional pressing devices to fix the sheet metal. The equipment has a top material block at the bottom of the stamping groove. When bending, the top material block is driven by the oil cylinder to press the lower surface of the sheet metal, firmly pressing the sheet metal between the upper mold and the top material block, effectively preventing the sheet metal from shifting during the bending process and ensuring bending accuracy and product consistency.
Factory photos
Shipping photos
Customer visit
FAQ
Q: Are you a factory or a trading company?
A: We are a factory located in Weifang, China. It possesses over twenty sets of advanced equipment, including a new precision machining center, NC lathes, CNC wire EDM machines, and a large automotive profile bending test platform. You are welcome to visit our factory at any time.
Q: What thickness of sheet metal can the bending machine process?
A: The standard configuration is suitable for cold-rolled steel, galvanized steel, and stainless steel sheets with a thickness of 0.8-2.0mm. The optimal processing range for sheets commonly used in safes is 1.2-1.5mm, and 1.8-2.0mm thick sheets can also be processed. Specific mold configurations need to be customized according to customer requirements.
Q: How is the dimensional accuracy of the bent sheet material guaranteed?
A: The equipment ensures accuracy mainly through the following methods:
① The lower die fixing block has a stop block and stop screw on its side, which can be adjusted according to the required bending position, eliminating the need to re-align the position each time;
② The symmetrical double-die design ensures that the horizontal force cancels out during bending, with only vertical pressure acting on the workpiece, guaranteeing consistent bending on both sides;
③ The top block presses and fixes the sheet metal during bending to prevent displacement.
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