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make ag workpiece fixtures are devices used in the manufacturing process to secure the workpiece in the correct position for machining or inspection, also known as jigs. Broadly speaking, any device used to quickly, conveniently, and safely mount a workpiece 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 in the fixture), clamping devices, tool-setting guide elements (to determine the relative position of the tool and workpiece or guide the tool direction), indexing devices (to allow the workpiece to complete machining at several stations in one 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 a workpiece on a machine tool, to ensure that the surface of the workpiece meets the technical requirements specified in the drawing, such as dimensions, geometric shape, and mutual positional accuracy with other surfaces, the workpiece must be properly located (positioning) and securely clamped (clamping) before machining.

make ag Workpiece Fixture Overview

Vacuum suction cups are one of the actuators for vacuum equipment. The suction cup material is made of nitrile rubber, which has high tensile strength, and is therefore widely used in various vacuum holding equipment, such as in construction, paper industry, printing, glass, and other industries, to perform tasks of holding and transporting thin and light items such as glass and paper. Vacuum suction cups are also known as vacuum lifters and vacuum nozzles. Generally speaking, using vacuum suction cups to grab products is the most economical method. There are various types of vacuum suction cups. Rubber suction cups can operate at high temperatures. Suction cups made of silicone rubber are very suitable for grabbing products with rough surfaces. Suction cups made of polyurethane are very durable. In addition, in actual production, if oil resistance is required for the suction cup, materials such as polyurethane, nitrile rubber, or vinyl-containing polymers can be considered for manufacturing the suction cup. Usually, to avoid scratching the surface of the product, it is best to choose suction cups with bellows made of nitrile rubber or silicone rubber.

make ag Workpiece Fixture Features

1) Suction force: Electrically controlled powerful suction chucks have extremely strong holding force, up to 16kg/cm², with uniform and adjustable magnetic field distribution, suitable for various heavy-duty machining, rough machining, and finish machining; ordinary powerful suction chucks have weaker and uneven suction force, unable to meet the requirements of heavy-duty machining operations. 2) Machining precision: The holding force of electrically controlled powerful suction chucks does not require power connection 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 precision even if the workpiece extends beyond the table surface; whereas ordinary electromagnetic chucks require a continuous supply of current, generating heat after a period of operation, which not only causes thermal deformation of the workpiece but also reduces the magnetic force of the chuck, failing to guarantee machining precision. 3) Performance: Electrically controlled powerful suction chucks can be used continuously, even for more than 20 hours per day, without any failures or need for maintenance; ordinary permanent magnet chucks may experience a decrease in suction force after about half a year of use, while electromagnetic chucks can only operate for a few hours a day, and the equipment is prone to malfunction, requiring frequent replacement and repair of internal components. 4) Operational efficiency: Using ordinary powerful suction chucks requires significant time for workpiece adjustment, accounting for 40%-50% of the entire machining process, and clamping and positioning are prone to obvious errors, resulting in a high scrap rate and very low efficiency; electrically controlled powerful suction chucks have an automatic auxiliary positioning function, and simply pressing a button completes the clamping or release of the workpiece in 0.3 seconds, greatly improving production efficiency.

make ag Workpiece Fixture Applications

1) Consistently ensure machining precision of the workpiece: When clamping a workpiece with a fixture, the positional precision of the workpiece relative to the tool and machine tool is guaranteed by the fixture, unaffected by the worker's skill level, making the machining precision of a batch of workpieces consistent. 2) Reduce auxiliary time and improve labor productivity: Using fixtures to clamp workpieces is convenient and fast, eliminating the need for marking and alignment, significantly reducing auxiliary time; clamping the workpiece in the fixture increases its rigidity, allowing for increased cutting amounts; fixtures capable of clamping multiple workpieces or multiple stations can be used, along with efficient clamping mechanisms, further improving labor productivity. 3) Expand the usage range of machine tools and achieve multi-functionality: Depending on the forming motion of the machining machine tool, attaching different types of fixtures can expand the original process range of the machine tool. For example, installing a boring template on the carriage of a lathe or the worktable of a radial drilling machine allows for boring processing of box parts. 4) Ensure machining precision: Using fixtures for installation can accurately determine the mutual position between the workpiece, machine tool, and tool. The positional precision of the workpiece is guaranteed by the fixture, unaffected by the worker's skill level, resulting in high and stable machining precision. 5) Improve 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; fixtures capable of clamping multiple workpieces or multiple stations can be used, along with efficient clamping mechanisms, all of which contribute to improved labor productivity. Additionally, using fixtures stabilizes product quality, reduces scrap rates, allows for the assignment of workers with lower skill levels, and significantly reduces production costs. 6) Expand the process range of machine tools: Using special 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 boxes; special fixtures can also convert lathes into broaching machines, fully utilizing 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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