Germany och gmbh workpiece fixture och gmbh model och gmbh price

och gmbh workpiece fixture is a device used on machine tools to clamp workpieces and guide cutting tools. It refers to a fixture specifically designed for a particular operation on a specific workpiece. Its characteristics include a 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 batch sizes. It contacts the positioning reference 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 during processing. It typically consists of positioning elements, clamping devices, tool-setting and guiding elements or devices, etc.

och gmbh workpiece fixture requirements

Whether gripper-type or suction-type, the robot end-effector must have the repeatability required for the task. The structure of the robot end-effector should be as simple and compact as possible, and lightweight, to reduce the load on the arm. Dedicated robot end-effectors have a simpler structure than general-purpose ones, offer high work efficiency, and can perform various tasks. In contrast, "universal" end-effectors may have disadvantages such as complex structure and high cost. Therefore, it is recommended to design and use serialized, standardized, dedicated robot end-effectors that can be quickly replaced. If an object has two opposing flat surfaces, a double-jaw parallel gripper can be used to address dimensional deviation issues. For cylindrical objects, a double-jaw gripper can also be used for clamping. Note that containment or enveloping gripping requires less force.

och gmbh workpiece fixture features

Mechanical grippers commonly use compressed air as the power source, transmitting motion to the fingers via a transmission mechanism. Based on the different motion trajectories of the fingers when clamping the workpiece, mechanical grippers are classified into: 1) Arc opening/closing type: Driven by the transmission mechanism, the finger tips move along an arc trajectory. This type of gripper has strict requirements on the dimensions of the clamped part of the workpiece; otherwise, it may cause abnormal workpiece status. 2) Arc parallel opening/closing type: The two fingers of this gripper move in parallel opening and closing motions during operation, while the finger tips follow an arc trajectory. The illustrated gripper uses a parallelogram transmission mechanism to drive the parallel opening and closing of the fingers in two scenarios. 3) Linear parallel opening/closing type: The motion trajectory of the two fingers of this gripper is linear, and the clamping surfaces of the two fingers remain parallel at all times. A cam mechanism is used to achieve the parallel opening and closing of the two fingers. Inclined cam slots are machined into the sliding blocks of each finger. When the piston rod moves up and down, rollers mounted on its end move within the cam slots, achieving parallel clamping motion of the fingers. Alternatively, a rack-and-pinion mechanism is used: when the rack at the end of the piston rod drives the gear to rotate, the racks on the fingers move linearly, causing the two fingers to open and close in parallel to clamp the workpiece.

och gmbh workpiece fixture applications

1) Consistently ensures workpiece machining accuracy: When clamping a workpiece with a fixture, the positional accuracy of the workpiece relative to the cutting tool and machine tool is guaranteed by the fixture, unaffected by the worker's skill level, resulting in consistent machining accuracy for a batch of workpieces. 2) Reduces auxiliary time and improves labor productivity: Clamping workpieces with fixtures is convenient and fast; workpieces do not require scribing and alignment, significantly reducing auxiliary time. Clamping workpieces in fixtures increases their rigidity, allowing for higher cutting parameters. Fixtures capable of clamping multiple workpieces or at multiple stations can be used, along with high-efficiency clamping mechanisms, further improving labor productivity. 3) Expands the usage range of machine tools, enabling multi-functionality: By attaching different types of fixtures according to the forming motions 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 operations on box-type parts. 4) Ensures machining accuracy: Installation using fixtures accurately determines the mutual positions between the workpiece, machine tool, and cutting 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) Improves productivity and reduces costs: Clamping workpieces with fixtures allows for rapid positioning and clamping without alignment, significantly reducing auxiliary time. Clamping workpieces in fixtures increases their rigidity, allowing for higher cutting parameters. Multi-workpiece and multi-station fixtures can be used, along with high-efficiency clamping mechanisms; these factors all 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 lowers production costs. 6) Expands the process range of machine tools: Using dedicated fixtures can change the original purpose of the machine tool and expand its usage range, achieving multi-functionality. For example, after installing a boring template fixture on a lathe or radial drilling machine, boring operations can be performed on hole systems of box-type parts. Dedicated fixtures can also convert a lathe for use as a broaching machine, fully leveraging the capabilities of general-purpose machine tools. 7) Reduces 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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