Spide down-motion CNC bending machines are primarily used for high-precision straight bending of metal sheets to form various angles and shapes. It is one of the most fundamental and core machines in sheet metal processing.
Applications: Its typical processing products include: All kinds of cabinets: electrical control cabinets, network cabinets, frames and door panels of server cases. Brackets and racks: Equipment mounting brackets, load-bearing racks. Channels and grooves: U-slots, covers. Building and decorative components: Curtain wall supports, metal decorative lines. Home appliances and auto parts: home appliance shells, auto body structural parts. In short, almost all sheet metal parts that need to be bent into a certain Angle in a straight line need to be done by a bending machine.
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This is a very classic and widely used form of bending machine structure, whose core feature is that the worktable drives the die to move upward to complete the bending, which is the opposite of the common upward-moving bending machine.
Low center of gravity: The main drive cylinders and moving parts are located at the bottom of the machine tool, the equipment has a low center of gravity, runs extremely smoothly with little vibration.
No synchronization problem: Compared to the upward-moving bending machine which needs to solve the synchronization problem of the cylinders at both ends, the synchronization control of the down-moving worktable is simpler and more reliable, which directly leads to higher bending Angle consistency and repeat positioning accuracy.
Wide field of view: As the upper tool rest remains stationary, the operator's line of sight is unobstructed, allowing for a clear view of the alignment of the mold and the workpiece, facilitating operation and monitoring.
High safety: The operator's hand does not need to go under the moving slider during loading and unloading and manual alignment, which is inherently safer. At the same time, it is also easier to install safety facilities such as laser guards.
Easy mold installation: The installation and adjustment of the upper mold are carried out on fixed sliders, which is more convenient and effortless.
The middle main cylinder pressurization method: This structure can effectively prevent the deformation of the middle section of the product (i.e., the "bulging" phenomenon), ensure that the Angle of the long workpiece is consistent throughout the full length range during bending, and achieve the precision processing of the product.
Working principle: The upper tool rest (slider) of the bending machine is stationary. The lower die is driven upward by the worktable below and closes with the upper die to achieve the bending of the sheet.
| Name | 3512 | 6020 | 8025 | 10030 | Units | |
| Nominal force | 350 | 600 | 800 | 1000 | KN | |
| Workbench length | 1200 | 2000 | 2500 | 3000 | mm | |
| Post spacing | 1020 | 1700 | 2090 | 2550 | mm | |
| Throat depth | 200～205 | 400～405 | 400～405 | 400～405 | mm | |
| Lower worktable maximum stroke | 100 | 100 | 100 | 100 | mm | |
| Maximum opening height between the upper and lower worktables | 395 | 395 | 395 | 395 | mm | |
| Maximum mold height | 275 | 275 | 275 | 275 | mm | |
| Number of cylinders | 1 | 3 | 3 | 3 | set | |
| Lower worktable travel speed | Quick down | 75 | 75 | 75 | 75 | mm/s |
| Work in | 0.1-13 | 0.1-13 | 0.1-13 | 0.1-13 | ||
| Return journey | 65 | 50 | 50 | 50 | ||
| Rear stopper maximum travel | 450-470 | 450-470 | 450-470 | 450-500 | mm | |
| Main motor power | 4 | 5.5 | 7.5 | 11 | KW | |
| Machine tool weight | 1600 | 3800 | 4500 | 6800 | Kg | |
| Machine tool externa dimensions(length × width× height) | 1450×1250×2100 | 2250×1290×2200 | 2610×1290×2200 | 3300×1400×2500 | mm | |
| Tank capacity | 26 | 54 | 70 | 95 | L | |
| Numerical control number line | 2 | 2 | 2 | 2 | D/ | |
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