bevo fixture Germany bevo model bevo price

bevo fixtures are devices used on machine tools to clamp workpieces and guide cutting tools. They refer to fixtures specifically designed for a particular operation of a specific workpiece. Their characteristics include compact structure, rapid, convenient, and labor-saving operation, ensuring high machining accuracy and production efficiency. However, the design and manufacturing cycle is long, and manufacturing costs are high. When the product changes, the fixture becomes obsolete and is scrapped due to inability to reuse. It is only suitable for production with fixed products and large batches. It contacts the positioning datum of the workpiece to determine the correct position of the workpiece in the fixture, thereby ensuring the correct relative position of the workpiece with respect to the cutting tool and the machining motion of the machine tool. It usually consists of positioning elements, clamping devices, tool-setting and guiding elements or devices, etc.

bevo fixture classification

1) Lathe fixtures: Fixtures used on lathes to machine internal and external rotary surfaces and end faces of workpieces are called lathe fixtures. Most lathe fixtures are installed on the spindle, and a minority are installed on the saddle or bed. 2) CMM fixtures: Used on coordinate measuring machines, utilizing their modular support and reference devices to achieve flexible fixation of the measured workpiece. This device can be automatically programmed to support the workpiece and establish unlimited workpiece configuration reference points. Advanced dedicated software can directly generate the workpiece clamping program within seconds using the geometric data of the workpiece. 3) Industrial robot fixtures: All installed on industrial robots for use in industrial automation equipment, representing one of the new technologies in modern industrial automation equipment. They mainly appear in modern industrial production in coordination with robots, with common applications in automated unmanned factories for machine tool loading/unloading, workpiece palletizing/depalletizing, welding, grinding, etc. 4) Milling machine fixtures: All installed on the milling machine table, moving with the table feed motion. They mainly consist of positioning devices, clamping devices, fixture bodies, connecting elements, and tool-setting elements. During milling, the cutting force is large, and the cutting is intermittent with significant vibration; therefore, milling machine fixtures require high clamping force, and high stiffness and strength requirements. 5) Bearing housing fixtures: To ensure and improve the production quality of bearing housings, in addition to machine tools and other mechanical equipment, a large amount of process equipment is used, including bearing housing fixtures, molds, cutting tools, and related auxiliary tools. Bearing housing fixtures are production tools specifically used to ensure the product quality of bearing housings, making the production process more convenient. Different bearing housing fixtures vary according to their structure, form, operating conditions, and design principles; therefore, there is a wide variety of types and styles, accounting for a large proportion in both quantity and variety. This type of bearing housing fixture can accurately determine the relative position between the workpiece and the tool, i.e., it can clamp the workpiece to be machined, thereby completing the motions required during the workpiece machining process. Since bearing housing fixtures play a very important role in the bearing housing production process, the drafting of bearing housing fixture design drawings is also very important.

bevo fixture features

1) Suction cup holding force: The electrically controlled powerful suction chuck has extremely strong holding force, up to 16kg/cm², with uniform and adjustable magnetic field distribution, suitable for various heavy-duty machining, roughing, and finishing operations; ordinary powerful suction chucks have weaker and unevenly distributed holding force, unable to meet the requirements of heavy-duty machining operations. 2) Machining accuracy: The holding force of the electrically controlled powerful suction chuck does not require a continuous power supply to maintain, generating no heat during continuous operation, avoiding thermal deformation of the workpiece. Meanwhile, the strong and uniform surface suction force ensures the highest machining accuracy even if the workpiece overhangs the table surface; whereas ordinary electromagnetic chucks require a continuous current supply, generating heat after a period of operation, which not only causes thermal deformation of the workpiece but also reduces the chuck's magnetic force, failing to guarantee machining accuracy. 3) Performance: The electrically controlled powerful suction chuck can be used continuously without any faults or maintenance requirements, even when operating continuously for more than 20 hours per day; ordinary permanent magnet chucks show a decline in suction force after about half a year of use, while electromagnetic chucks can only operate for a few hours a day, are prone to failures, and require frequent replacement and maintenance of internal components. 4) Operational efficiency: Using ordinary powerful suction chucks requires significant workpiece adjustment time, accounting for 40%-50% of the entire machining process, and clamping positioning is prone to obvious errors, resulting in a high scrap rate and very low efficiency; the electrically controlled powerful suction chuck has an automatic auxiliary positioning function, completing workpiece clamping or release in 0.3 seconds with the simple press of a button, greatly improving production efficiency.

bevo fixture maintenance

When using vacuum suction cups (without grippers), note that the manipulator's movement speed must not be too high; otherwise, shear forces will be generated on the suction cup, causing the product to easily drop during rapid twisting. In some cases, a gripper can be used to ensure safe transport of the product. Considering the possibility of the product sticking to the mold, an air gripper is usually installed to solve this problem. When the product's surface area is too small or the product is too heavy for vacuum suction cups, the problem can also be solved by using grippers. If the product has strict appearance requirements, the clamped area must not be the outer surface. To solve this problem, a sensor circuit can be installed. After confirming that the gripper or suction cup has securely held the product, the sensor sends a signal to the manipulator to proceed to the next operation. In cases where the manipulator's motion capability is limited and manual twisting or prying is required to demold the product or move it out of the molding area, a special cylinder capable of independent movement without relying on the manipulator can be added to improve this situation.

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