loosli bau fixtures, German loosli bau models, loosli bau prices

loosli bau fixtures refer to devices used in the mechanical manufacturing process to secure workpieces in the correct position for machining or inspection, also known as jigs. In a broad sense, any device used to quickly, conveniently, and safely mount workpieces during any step of the process can be called a fixture. Fixtures typically consist of locating elements (to determine the correct position of the workpiece within the fixture), clamping devices, tool-setting guide elements (to determine the relative position between the tool and the workpiece or to guide the tool direction), indexing devices (to allow the workpiece to undergo machining at several stations in a single setup, including rotary indexing devices and linear indexing devices), connecting elements, and the fixture body (fixture base). Examples include welding fixtures, inspection fixtures, assembly fixtures, and machine tool fixtures, among which machine tool fixtures are the most common and are often simply referred to as fixtures. When machining workpieces on machine tools, to ensure that the surface of the workpiece meets technical requirements such as dimensions, geometric shape, and mutual positional accuracy with other surfaces as specified in the drawings, the workpiece must be properly located (positioning) and securely held (clamping) before machining.

loosli bau Fixture Classification

Due to the different operating characteristics and structural forms of various machine tools, different requirements are correspondingly placed on the structure of the fixtures used. According to the machine tool used, fixtures can be divided into: lathe fixtures, milling machine fixtures, drilling machine fixtures, boring machine fixtures, grinding machine fixtures, gear machine tool fixtures, and other machine tool fixtures. According to the clamping power source adopted by the fixture, they can be divided into: manual fixtures, pneumatic fixtures, hydraulic fixtures, pneumatic-hydraulic fixtures, electric fixtures, magnetic fixtures, and vacuum fixtures. Specialized classification includes general-purpose fixtures, special-purpose fixtures, general-purpose adjustable fixtures, group fixtures, modular fixtures, and pallet fixtures. Pallet fixtures are fixtures used on automated lines. Such fixtures not only serve to clamp the workpiece but also become integrated with the workpiece, moving from one station to the next along the automated line for different machining operations.

loosli bau Fixture Features

1) Suction force: Electrically controlled powerful chucks have extremely strong holding force, up to 16kg/cm², with uniform and adjustable magnetic distribution, suitable for various heavy-duty machining, rough machining, and finish machining; ordinary powerful chucks have weaker and uneven suction force, unable to meet the requirements of heavy-duty machining operations. 2) Machining accuracy: The holding force of electrically controlled powerful chucks does not require a continuous power supply to maintain, generating no heat during continuous operation, thus avoiding thermal deformation of the workpiece. Meanwhile, the strong and uniform surface suction ensures the highest machining accuracy even if the workpiece extends beyond 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: Electrically controlled powerful chucks can be used continuously without any faults or maintenance required, even when operating continuously for more than 20 hours per day; ordinary permanent magnet chucks experience 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 malfunction, and require frequent replacement and maintenance of internal components. 4) Operational efficiency: Using ordinary powerful chucks requires significant time for workpiece adjustment, accounting for 40%-50% of the entire machining process, and clamping positioning is prone to obvious errors, resulting in high scrap rates and very low efficiency; electrically controlled powerful chucks feature automatic auxiliary positioning, completing workpiece clamping or release with a simple button press in 0.3 seconds, significantly improving production efficiency.

loosli bau Fixture Applications

1) Consistently ensure workpiece machining accuracy: When clamping workpieces with fixtures, the positional accuracy of the workpiece relative to the tool and machine tool is guaranteed by the fixture, unaffected by the worker's skill level, ensuring consistent machining accuracy for a batch of workpieces. 2) Reduce auxiliary time and improve labor productivity: Using fixtures makes workpiece clamping convenient and fast, eliminating the need for marking and alignment, significantly reducing auxiliary time; clamping workpieces in fixtures increases their rigidity, allowing for increased cutting amounts; fixtures capable of clamping multiple workpieces or multiple stations can be used, along with high-efficiency clamping mechanisms, further improving labor productivity. 3) Expand the usage range of machine tools and achieve multi-functionality: By attaching different types of fixtures according to the forming motion of the machining machine tool, the original process range of the machine tool can be expanded. For example, installing a boring template on the carriage of a lathe or the table of a radial drilling machine allows for boring processing of box-type parts. 4) Ensure machining accuracy: Using fixtures for installation accurately determines the mutual position between the workpiece, machine tool, and tool. The positional accuracy of the workpiece is guaranteed by the fixture, unaffected by the worker's skill level, resulting in high and stable machining accuracy. 5) Increase productivity and reduce costs: Clamping workpieces with fixtures allows for rapid positioning and clamping without alignment, significantly reducing auxiliary time; clamping workpieces with fixtures increases their rigidity, allowing for increased cutting amounts; multi-workpiece and multi-station fixtures can be used with high-efficiency clamping mechanisms, all of which contribute to improved labor productivity. Additionally, using fixtures stabilizes product quality, reduces scrap rates, allows for the assignment of lower-skilled workers, and significantly lowers production costs. 6) Expand the process range of machine tools: Using special-purpose fixtures can change the original purpose of the machine tool and expand its usage range, achieving multi-functionality. For example, installing boring template fixtures on lathes or radial drilling machines allows for boring processing of hole systems in box parts; special-purpose fixtures can also convert lathes for broaching use, fully leveraging the capabilities of general-purpose machine tools. 7) Reduce worker labor intensity: Clamping workpieces with fixtures is convenient and fast. When using pneumatic, hydraulic, or other clamping devices, worker labor intensity can be reduced.

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